Tag Archives: metal lathe machine

China supplier Torno CNC High Precision Metal Automatic Hydraulic Tailstock Slant Bed Lathe CNC Machine with high quality

Product Description

Torno CNC High Precision Metal Automatic Hydraulic tailstock Slant Bed Lathe CNC Machine

      This series of slant bed high speed CNC lathe adopts imported or domestic high-performance CNC system and matched motor and drive to realize two-axis linkage processing. Equipped with ZheJiang axle sleeve spindle, with high precision, high speed, smooth operation and other characteristics, optional hydraulic chuck or collet chuck, can effectively save the work piece clamping time. The machine is suitable for machining shaft parts, thread, arc cone and inner and outer surfaces of the rotating body. Widely used in the automobile industry, electronic industry, motorcycle, home appliances, furniture, lighting and other industries such as rotating body products processing.

Features

1. Slant bed type casting, 2 axis linear way apply to high precision processing.

2. ZheJiang linear way ensured the stability of accuracy.

3. ZheJiang high speed and high accuracy spindle, Japan high precision bearing.

4. Hydraulic chuck, hydraulic station and hydro-cylinder are optional.

5. Chain type auto conveyor is optional.

6. GSK control system or KND control system.

Specification
 

Model HTC-4640
Max. swing diameter over bed mm 460
Max. swing diameter over carriage mm 170
Max. length of workpiece mm 350/300/285 (With Power tool turret)
Spindle head (Chuck optional)   A2-5 (6″)/ A2-6 (8″)
Spindle motor kw 7.5
Spindle rotation speed rpm 5000/ 4000*
Spindle through-hole diameter mm Φ56
Bar diameter mm Φ42
X axis limited travel mm 210
Z axis limited travel mm 400
Tool post   10T/12T servo tool turret
12T power tool turret
8T/10T/12T hydraulic tool turret
Height of tool turret center mm 80
Diameter of tailstock sleeve mm 65
Trevel of tailstock sleeve mm 80
Max. travel of tailstock mm 300
Tailstock sleeve taper   MT4
Bed type and slant angle   Whole body slant type 30°
Dimension mm 2200*1600*1700
Weight kg 2250

 

Standard accessories:

1. GSK controller system with motor
2. Fully enclosed cover
3. 6″ hydraulic 3 jaw chuck
4. 12T servo tool turret
5. Hydraulic station
6. Foot switch
7. Hydraulic tailstock
8. Auto lubrication system
9. Workpiece coolant system
10. Two axis inner encoder feedback system
11. Working light
12. Alarming light
13. Xihu (West Lake) Dis. way cover
14. Tool and tool box
15. Operation manual

Optional accessories:

1. Fanuc controller system
2. 10T hydraulic  tool turret
3. Chain type conveyor

Industry Focus

                                   Aeronautical parts                                                                             Hardware Parts

                                        Multi-angle part

Core Technology

      Provide customer apllication solution
      Joint company amassed abundant database, can fast provdie applicarion case of production technology beat, machine model selection, machining technology optimization, tool choose, suggest turning and milling, etc. In order to help customer improve produce efficiency, improve machining precision.

 
      Can provide automatic feeding solution
      Combined customer’s parts machining requirement and technology, design matching material automatic feeding production line, included Truss robot, Feeding tray, etc. Also can continue automatic line remouled of cnc lathe machine.

      Provide customization products for customer
      Aim at small axle type, plate type parts machining for automobile brake dics, etc, devolped variety different machining requirements samll cnc lathe machine. Also can according to customer requirements, customized model for multiaxis turning and milling machining, double spindle machining, etc.

      High precision and good quality product
      Joint company is absorbed in high quality production, amassed abundant experience of cnc product design, manufacture technological, test process, etc. Established quality assurance system, with the most advanced production testing instrument, choose quality accessrories, so our product quality is better than domestic similar products.

Company Profile

       HangZhou Joint Technology Co., Ltd. specializes in R&D and manufacturing mold processing and machinery parts processing equipment, we developed high quality and high-tech research, development, manufacturing, service team and management system, and expanded products to more than 11 series from milling machines, to machine center,mechanical arm, automation. With the exceptional quality products and distinct brand reputation, our products are sold to more than 40 developed cities all over China, and also to more than 20 countries all over the world across Asia, Europe and America.Our company takes the high quality product as orientation, R&D ideas is to provide customers with the most suitable quality products, became a professional machine tool manufacturer with a complete product line of CZPT and parts processing machine tool and strong tailor-made design capability in China.

Core strengths

1. Standardize processes and operating mechanisms, high standards production and testing software and hardware – Ensure stable product supply and service support.
2. We insist in-depth research and technological precipitation for more than 20 years – Promote rapid innovation and progress in products and technology.
3. Comprehensive information management systems such as ERP and CRM – JOINT has formed a efficient operation and continuous improvement system.
4. Integrity, collaboration, innovation, and CZPT spirit –  we JOINT has established a strong and stable supply chain, and a large long-term CZPT customer base.

Special advantages

1. Provide more practical customized products
2. Provide CNC product applications support
3. Provide integrated solution for auto production line
4. Provide integrated design of mold, and parts processing production line

Qualifications and honors

1. National High-tech Enterprose
2. HangZhou famous brand “JOINT”
3. Member of China Quality Association
4. Member of China Machine Tools Association
5. Vice-chairmen of HangZhou Machinery Association
6. CE certification on milling machine, grinidng machine and machine center.
7. More than 150 patents on invention, utility model patent and software copyright etc.
8. ZheJiang famous trademark

FAQ

Q1: Are you trading company or manufacturer?
A1: We are factory since 1995.

Q2: What is your terms of payments?
A2: 30% as deposit, 70% should be paid before delivery.

Q3: How can I choose the most suitable machines?
A3: Please tell us your requirements of the machines, or you could send us the products drawing, our engineer can help to choose suitable model for you.

Q4: What is the package? Is it suitable for shipment?
A4: Machine will be packed by exporting standard package, water proof and anti-rust. It is very much strong for oversea transportation.

Q5: How long is the warranty for machines?
A5: Warranty time is 12 months. We will supply the repair parts in this warranty time. The charge of repair parts will be free due to its quality problemin this guarantee.

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.
splineshaft

Involute splines

An effective side interference condition minimizes gear misalignment. When 2 splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by 5 mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment.
Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to 50-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings.
To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process.
There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile.
The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows 4 concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these 3 components.
splineshaft

Stiffness of coupling

The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using 2 different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these 2 methods.
The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings.
The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated.
The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9.
The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.

Misalignment

To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force.
In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned.
A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling.
The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters.
Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.
splineshaft

Wear and fatigue failure

The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed.
During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions.
The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method.
The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser.
Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the 3 factors. A failure mode is often defined as a non-linear distribution of stresses and strains.

China supplier Torno CNC High Precision Metal Automatic Hydraulic Tailstock Slant Bed Lathe CNC Machine     with high qualityChina supplier Torno CNC High Precision Metal Automatic Hydraulic Tailstock Slant Bed Lathe CNC Machine     with high quality

China Best Sales CAK6180 automatic Products horizontal metal Large CNC turning lathe machine near me shop

Product Description

CAK6180 automatic Best Selling Products horizontal metal Large CNC turning lathe machine

 

Product Description

Detailed Photos

Product Parameters

Features :
Big torque ,high precision spindle
Hydraulic shift ,easy operate
Z axis feed is directly connected which has high transmission accuracy and high positioning accuracy
Vertical 4 position electric toolpost with high positioning accuracy
Application :
CAK series CNC lathe machine is an economical ,practical type machine tools iwth good quality .
The machine has a very wide use which is suitable or internal and external turning ,tapering,circular arc ,thread ,boring ,reaming of axle and disk workpiece .It also can achieve non-circular curve machining ,You can choose the CNC system and optional accessories according to your requirement .
Product main technical specifications:

Specifications Units CAK6180 CAK6180B CAK6180C
Max.swing over bed mm 800
Max.processing length mm 750/1000/1500/2000/3000
Spindle taper   MT6(Ø90 1:20 for B)[Ø113 1:20 for C]
Chuck size mm C6(D8)[D8]
Spindle bore mm 52(80 for B)[105 for C]
Spindle speed 3 steps (auto change gear) rpm Independent spindle:100-1600
21-1500(162-1500,66-500,21-150)
Tailstock sleeve travel mm 150
Tailstock sleeve taper   MT5
Position accuracy mm ±0.015
Repositioning accuracy mm ±0.006
X/Z axis rapid traverse m/min 4/6
Spindle motor kw 11
Machine dimension for 750 mm 2550x1550x1900
Machine dimension for 1000 mm 2750x1550x1900
Machine dimension for 1500 mm 3250x1550x1900
Machine dimension for 2000 mm 3700x1550x1900
Machine dimension for 3000 mm 4710x1550x1900
Machine weight for 750 kg 2400/3000
Machine weight for 1000 kg 2550/3150
Machine weight for 1500 kg 2750/3350
Machine weight for 2000 kg 2980/3550
Machine weight for 3000 kg 3800/4400

Company Profile

FAQ

1:How can I choose the most suitable machines ?
A: Please tell me your specifications ,we can choose the best model for you , or you can choose the exact model .
You can also send us the products drawing ,we will choose the most suitable machines for you .
 
2: What’s your main products of your company?
A: We specialized in all kinds of machines ,such as CNC Lathe Machine ,CNC Milling Machine ,Vertical Machining Center ,
Lathe Machines ,Drilling Machine ,Radial Drilling Machine ,Sawing Machine ,Shaper machine and so on .
 
3: Where is our factory located? How can I visit there?
A : Our factory is located in HangZhou City ,ZheJiang Province,277500 China. You are warmly welcomed to visit us.
 
4. What is your trade terms?
A : FOB, CFR and CIF all acceptable.
 
5: What’s the Payment Terms ?
A : T/T ,30% initial payment when order ,70% balance payment before shipment ;
Irrevocable LC at sight .
 
5: What’s the MOQ?
A: 1 set .(Only some low cost machines will be more than 1 set )

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

China Best Sales CAK6180 automatic Products horizontal metal Large CNC turning lathe machine     near me shop China Best Sales CAK6180 automatic Products horizontal metal Large CNC turning lathe machine     near me shop

China Good quality Factory Cak6150 Top-Level Metal Horizontal Flat Bed CNC Lathe Machine near me manufacturer

Product Description

Factory CAK6150 Top-Level Metal Horizontal Flat Bed CNC Lathe Machine

Product Pictures:

Product Features :
1.Big torque ,high precision spindle.
2.Hydraulic shift ,easy operate.
3.Z axis feed is directly connected which has high transmission accuracy and high positioning accuracy.
4.Vertical 4 position electric toolpost with high positioning accuracy.
5.Widening high stability bed.
6.Intergrated automatic lubrication system.
Application :
CAK series CNC lathe machine is an economical ,practical type machine tools iwth good quality .
The machine has a very wide use which is suitable or internal and external turning ,tapering,circular arc ,thread ,boring ,reaming of axle and disk workpiece .It also can achieve non-circular curve machining ,You can choose the CNC system and optional accessories according to your requirement .

Technical Parameters:

Specifications Units CAK6140 CAK6140B CAK6140C CAK6150 CAK6150B CAK6150C
Max.swing over bed mm 400 500
Max.processing length mm 750/1000/1500/2000/3000 750/1000/1500/2000/3000
Spindle taper   MT6(Ø90 1:20 for B)
[Ø113 1:20 for C]
MT6(Ø90 1:20 for B)
[Ø113 1:20 for C]
Chuck size mm C6(D8)[D8] C6(D8)[D8]
Chuck diameter mm 200 250
Spindle bore mm 52(80 for B)[105 for C] 52(80 for B)[105 for C]
Spindle speed 3 steps
 (auto change gear)
rpm Independent spindle:100-1600
21-1500(162-1500,66-500,21-150)
Independent spindle:100-1600
21-1500(162-1500,66-500,21-150)
Tailstock sleeve travel mm 150 150
Tailstock sleeve taper   MT5 MT5
Position accuracy mm ±0.015 ±0.015
Repositioning accuracy mm ±0.006 ±0.006
X/Z axis rapid traverse m/min 4/6 4/6
Spindle motor kw 7.5 7.5
Machine dimension for 750 mm 2550x1550x1700 2550x1550x1700
Machine dimension for 1000 mm 2750x1550x1700 2750x1550x1700
Machine dimension for 1500 mm 3250x1550x1700 3250x1550x1700
Machine dimension for 2000 mm 3700x1550x1700 3700x1550x1700
Machine dimension for 3000 mm 4710x1550x1700 4710x1550x1700
Machine weight for 750 kg 2100/2800 2120/2900
Machine weight for 1000 kg 2200/2900 2240/3000
Machine weight for 1500 kg 2300/3150 2350/3200
Machine weight for 2000 kg 2700/3350 2740/3400
Machine weight for 3000 kg 3500/4100 3600/4200

 Standard Configuration :
1.CNC System: GSK.
2.3-jaw manual chuck.
3.4-station tool rest.
4.Frequency spindle motor.
5.Stepless speed changer.
6.Manual tailstock.
7.Lighting system.
8.Cooling system.
9.Automatic lubrication system.

Optional Configuration:
1.CNC System:KND ,Siemens ,Fanuc etc.
2.Spindle motor:Servo spindle motor.
3.Tool post (turret):Electric 6-station / 8-station.
4.Chuck:Spring chuck ,Hydraulic chuck ,pneumatic chuck. 
5.Tailstock:Hydraulic tailstock ,pneumatic tailstock.
6.Feeder:Automatic Bar feeder.
7.Conveyor:Automatic chip conveyor.
8.Speed change:Stepless speed ,Three-gear speed change.

Product Ddetails:

Packing and Delivery:
—->We can guarantee on-time delivery
—->Packing: The machine and accessories are fixed in the wooden box, then spray anti-corrosion oil, hang up the desiccant to ensure the safety of the machine during long-term transportation.
—->Export case: wooden box with Tito, two, fumigation wooden box,
—->Mode of transport: transported by sea or rail to the customer’s location.

Company Information:

FAQ
1. What level of service do you provide ?
—>Your inquiry will be replied within 24 hours.

2. Technology support by providing operation?training videos?
—->Professional after-sales service team. 
     We can Provide Technical support online service  and Machine operation Vedio
     We can provide on-site  training and commissioning Vedio
     We can Provide Spare parts replacement and repair service
     Give reasonable offers with the best quality.

3. What is our advantages?
—-> Competitive price: We can meet your budget and best-selling business very well.
      OEM Accepted: We can produce customized design.
      Good Service: We treat clients as friends and provide problem solving anytime you need.
       Good Quality: We have strict quality control system. Good reputation in the market.
       Fast & Delivery: We have big discount from forwarder (Long-term Contract).

4. Can you customize the machine for the customer?
—->Yes. We can, if you need customized services, please contact us

5. What is the MOQ?
—->We usually provide 1 set for customers to test.

6.What is your delivery time?
—->The delivery depends on different machines with different configurations. Please contact us to confirm it is in stock or not.

7.What is your payment method?
—->We prefer to do 100% T/T (30% T/T in advance, 70% T/T before shipment)

8.Agents Wanted:
—->We have strong partnerships in Europe, America, South America, India, Southeast Asia and South Africa. We also supply OEM service, and we are looking for agents in these areas. In the further, we want to develop SCHULER to a global brand. Wherever you are from, we are looking forward to explore new market with you.

9.Q: How about your machine quality?We are worry about the quality.
—->A: ZheJiang Schuler Heavy Machinery Co.,Ltd focused on cnc lathe machines for up to 10 years, is China’s mature brand. We “quality of survival” management philosophy, theNew Mini Hobby CNC Lathe Brand Machining Prices CK6140 has won more and more customers love and support, we have a field factory, on the quality, you are welcome to visit the field at any time.
 

          If any questions pls feel free to contact me

Contact information :

ZheJiang Schuler CNC Machinery Co.,Ltd.

Add: HangZhou City ,ZheJiang Province ,China

Edwin

Mob: 18663288651

 

The Benefits of Spline Couplings for Disc Brake Mounting Interfaces

Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.

Disc brake mounting interfaces are splined

There are 2 common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.
splineshaft

Aerospace applications

The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions.
The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings.
The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment.
In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance.
CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.
splineshaft

High-performance vehicles

A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are 2 basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems.
The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier.
The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are 3 types of spline couplings.
Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.
splineshaft

Disc brake mounting interfaces

A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment.
Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline.
During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology.
Disc brake couplings are usually made of 2 different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation.
Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.

China Good quality Factory Cak6150 Top-Level Metal Horizontal Flat Bed CNC Lathe Machine     near me manufacturer China Good quality Factory Cak6150 Top-Level Metal Horizontal Flat Bed CNC Lathe Machine     near me manufacturer

China Best Sales China Supplier High Precision CNC Metal Turning Lathe Machine (CK6150) with Great quality

Product Description

China supplier high precision cnc metal turning lathe machine (CK6150);

1.;Features of our CNC lathe machine CK6150:;
1);CK series CNC lathe machine is an economical,; practical type machine tools with good quality.;
2);This CNC lathe machine CK6150 has a very wide use which is suitable for internal and external turning,; tapering,; circular arc,; thread,; boring,; reaming of axle and disk workpiece.;
3);It also can achieve non-circular curve machining.; You can choose the CNC system and Optional accessories according to your requirement.;
4);Big torque,; high precision spindle.;
5);Hydraulic chuck,; easy to operate.;
6);Z-Axis feed is directly connected which has high transmission accuracy and high positioning accuracy.;
7);Vertical 4-position electric toolpost with higher positioning accuracy.;

2.;Specification of our CNC lathe machine:;
 

Specifications Units CK6150
Max.; swing over cross slide mm 280
Max.; length of workpiece mm 1   Fax:; 0571 -5815716 
 
 
 

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China Best Sales China Supplier High Precision CNC Metal Turning Lathe Machine (CK6150)     with Great qualityChina Best Sales China Supplier High Precision CNC Metal Turning Lathe Machine (CK6150)     with Great quality

China Professional CAK6150/CAK6140 High Precision Horizontal Metal Automatic Turning CNC Lathe Machine near me factory

Product Description

CAK6150/CAK6140 High Precision Horizontal Metal Automatic Turning CNC Lathe Machine

Product Description

Features :

1.Big torque ,high precision spindle

2.Hydraulic shift ,easy operate

3.Z axis feed is directly connected which has high transmission accuracy and high positioning accuracy

4.Vertical 4 position electric toolpost with high positioning accuracy

Application :
CAK series CNC lathe machine is an economical ,practical type machine tools iwth good quality .
The machine has a very wide use which is suitable or internal and external turning ,tapering,circular arc ,thread ,boring ,reaming of axle and disk workpiece .It also can achieve non-circular curve machining ,You can choose the CNC system and optional accessories according to your requirement .

Product Parameters

Product main technical specifications:

SPECIFICATIONS Units CAK6140 CAK6140B CAK6140C CAK6150 CAK6150B CAK6150C
Swing over bed mm 400 500
Swing over cross slide mm 180 280
Distance between centers mm 750/1000/1500/2000/3000 750/1000/1500/2000/3000
Spindle bore mm 52,(80 for B),[105 for C] 52,(80 for B),[105 for C]
Spindle bore taper MT6,(φ90 1:20 for B),
[φ113 1:20 for C]
MT6,(φ90 1:20 for B),
[φ113 1:20 for C]
Spindle nose type C6,(D8 for B),[D8 for C] C6,(D8 for B),[D8 for C]
Spindle speed steps Manual 3 steps (Optional: stepless) Manual 3 steps (Optional: stepless)
Spindle speed range rpm 21-150,66-500,162-1500
(Optional: 100-1600 )
21-150,66-500,162-1500  
(Optional: 100-1600 )
Turret/tool post Electric 4 position Electric 4 position
Tool size mm 25 x 25 25 x 25
X axis travel mm 200 250
Z axis travel mm 750/1000/1500/2000/3000 750/1000/1500/2000/3000
X axis rapid traverse mm/min 6000 6000
Z axis rapid traverse mm/min 10000 10000
Tailstock quill diameter mm 75 75
Tailstock quill taper MT5 MT5
Tailstock quill travel mm 150 150
Main spindle motor kw 7.5 7.5
Coolant pump motor kw 0.125 0.125
Weight for 750 kg 2450 2500
Weight for 1000 kg 2550 2600
Weight for 1500 kg 2650 2700
Weight for 2000 kg 3050 3150
Weight for 3000 kg 3850 3950
Dimension for 750 mm 2550x1650x1700 2550x1650x1750
Dimension for 1000 mm 2750x1650x1700 2750x1650x1750
Dimension for 1500 mm 3250x1650x1700 3250x1650x1750
Dimension for 2000 mm 3700x1650x1700 3700x1650x1750
Dimension for 3000 mm 4710x1650x1700 4710x1650x1750

Detailed Photos

Company Profile

FAQ

1:How can I choose the most suitable machines ?
A: Please tell me your specifications ,we can choose the best model for you , or you can choose the exact model .
You can also send us the products drawing ,we will choose the most suitable machines for you .
 
2: What’s your main products of your company?
A: We specialized in all kinds of machines ,such as CNC Lathe Machine ,CNC Milling Machine ,Vertical Machining Center ,Lathe Machines ,Drilling Machine ,Radial Drilling Machine ,Sawing Machine ,Shaper machine and so on .
 
3: Where is our factory located? How can I visit there?
A : Our factory is located in HangZhou City ,ZheJiang Province,277500 China. You are warmly welcomed to visit us.
 
4. What is your trade terms?
A : FOB, CFR and CIF all acceptable.
 
5: What’s the Payment Terms ?
A : T/T ,30% initial payment when order ,70% balance payment before shipment ;
Irrevocable LC at sight .
 
5: What’s the MOQ?
A: 1 set .(Only some low cost machines will be more than 1 set )
 

 

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China Professional CAK6150/CAK6140 High Precision Horizontal Metal Automatic Turning CNC Lathe Machine     near me factory China Professional CAK6150/CAK6140 High Precision Horizontal Metal Automatic Turning CNC Lathe Machine     near me factory

China supplier China Manufacturer High Precision HTC-5661 CNC Lathe Machine for Metal near me supplier

Product Description

High precision and high quality create high velue

      This series of slant bed high speed CNC lathe adopts imported or domestic high-performance CNC system and matched motor and drive to realize two-axis linkage processing. Equipped with ZheJiang axle sleeve spindle, with high precision, high speed, smooth operation and other characteristics, optional hydraulic chuck or collet chuck, can effectively save the work piece clamping time. The machine is suitable for machining shaft parts, thread, arc cone and inner and outer surfaces of the rotating body. Widely used in the automobile industry, electronic industry, motorcycle, home appliances, furniture, lighting and other industries such as rotating body products processing.

Features

1. Slant bed type casting, 2 axis linear way apply to high precision processing.

2. ZheJiang linear way ensured the stability of accuracy.

3. ZheJiang high speed and high accuracy spindle, Japan high precision bearing.

4. Hydraulic chuck, hydraulic station and hydro-cylinder are optional.

5. Chain type auto conveyor is optional.

6. GSK control system or KND control system.

Specification
 

Model HTC-5661
Max. swing diameter over bed mm 560
Max. swing diameter over carriage mm 190
Max. length of workpiece mm 500/465/300 (With Power tool turret)
Spindle head (Chuck optional)   A2-6 (8″)/ A2-8 (10″)
Spindle motor kw 11
Spindle rotation speed rpm 4200/3000
Spindle through-hole diameter mm Φ66/Φ87
Bar diameter mm Φ52/Φ75
X axis limited travel mm 230
Z axis limited travel mm 610
Tool post   10T/12T servo tool turret
12T power tool turret
8T/10T/12T hydraulic tool turret
Height of tool turret center mm 100
Diameter of tailstock sleeve mm 80
Trevel of tailstock sleeve mm 80
Max. travel of tailstock mm 450
Tailstock sleeve taper   MT4
Bed type and slant angle   Whole body slant type 30°
Dimension mm 2550*1760*1900
Weight kg 3200

 

Standard accessories:

1. GSK controller system with motor
2. Fully enclosed cover
3. Hydraulic 3 jaw chuck
4. 12T servo tool turret
5. Hydraulic station
6. Foot switch
7. Hydraulic tailstock
8. Auto lubrication system
9. Workpiece coolant system
10. Two axis inner encoder feedback system
11. Working light
12. Alarming light
13. Xihu (West Lake) Dis. way cover
14. Tool and tool box
15. Operation manual

Optional accessories:

1. Fanuc controller system
2. Chain type conveyor

Industry Focus

                                   Aeronautical parts                                                                             Hardware Parts

                                        Multi-angle part

Core Technology

      Provide customer apllication solution
      Joint company amassed abundant database, can fast provdie applicarion case of production technology beat, machine model selection, machining technology optimization, tool choose, suggest turning and milling, etc. In order to help customer improve produce efficiency, improve machining precision.

 
      Can provide automatic feeding solution
      Combined customer’s parts machining requirement and technology, design matching material automatic feeding production line, included Truss robot, Feeding tray, etc. Also can continue automatic line remouled of cnc lathe machine.

      Provide customization products for customer
      Aim at small axle type, plate type parts machining for automobile brake dics, etc, devolped variety different machining requirements samll cnc lathe machine. Also can according to customer requirements, customized model for multiaxis turning and milling machining, double spindle machining, etc.

      High precision and good quality product
      Joint company is absorbed in high quality production, amassed abundant experience of cnc product design, manufacture technological, test process, etc. Established quality assurance system, with the most advanced production testing instrument, choose quality accessrories, so our product quality is better than domestic similar products.

Company Profile

       HangZhou Joint Technology Co., Ltd. specializes in R&D and manufacturing mold processing and machinery parts processing equipment, we developed high quality and high-tech research, development, manufacturing, service team and management system, and expanded products to more than 11 series from milling machines, to machine center,mechanical arm, automation. With the exceptional quality products and distinct brand reputation, our products are sold to more than 40 developed cities all over China, and also to more than 20 countries all over the world across Asia, Europe and America.Our company takes the high quality product as orientation, R&D ideas is to provide customers with the most suitable quality products, became a professional machine tool manufacturer with a complete product line of CZPT and parts processing machine tool and strong tailor-made design capability in China.

Core strengths

1. Standardize processes and operating mechanisms, high standards production and testing software and hardware – Ensure stable product supply and service support.
2. We insist in-depth research and technological precipitation for more than 20 years – Promote rapid innovation and progress in products and technology.
3. Comprehensive information management systems such as ERP and CRM – JOINT has formed a efficient operation and continuous improvement system.
4. Integrity, collaboration, innovation, and CZPT spirit –  we JOINT has established a strong and stable supply chain, and a large long-term CZPT customer base.

Special advantages

1. Provide more practical customized products
2. Provide CNC product applications support
3. Provide integrated solution for auto production line
4. Provide integrated design of mold, and parts processing production line

Qualifications and honors

1. National High-tech Enterprose
2. HangZhou famous brand “JOINT”
3. Member of China Quality Association
4. Member of China Machine Tools Association
5. Vice-chairmen of HangZhou Machinery Association
6. CE certification on milling machine, grinidng machine and machine center.
7. More than 150 patents on invention, utility model patent and software copyright etc.
8. ZheJiang famous trademark

FAQ

Q1: Are you trading company or manufacturer?
A1: We are factory.

Q2: What is your terms of payments?
A2: 30% as deposit, 70% should be paid before delivery.

Q3: How can I choose the most suitable machines?
A3: Please tell us your requirements of the machines, or you could send us the products drawing, our engineer can help to choose suitable model for you.

Q4: What is the package? Is it suitable for shipment?
A4: Machine will be packed by exporting standard package, water proof and anti-rust. It is very much strong for oversea transportation.

Q5: How long is the warranty for machines?
A5: Warranty time is 12 months. We will supply the repair parts in this warranty time. The charge of repair parts will be free due to its quality problemin this guarantee.

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

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