Product Description
Introduction:
1)This is a Heavy Duty Polishing Machine For Large Pieces Of Hardware And Size Of the Curvature Of
The Work Piece Of
Sanding,Polishing.
2)The Spindle Can Assemble The Rubber,Cloth,Hemp,And Sand Wheel And Sand Belt Of Diameter≤400mm,
Breadth <100mm.
3)Aluminum Core Rubber Wheel:Outside Diameter 300×Inside Diameter 26mm×Breadth 50mm(100mm)
4)Sand Belt Specification:Length 2100mm(3200mm) ×Breadth 50mm(100mm)
Application
It is suitable for all kinds of axle, member bar, pope fittings cylindrical surface grinding and polishing; long
stainless steel tube, boiler tube, high precision drawn tube, ti-alloy bars; engineering machinery hydraulic
lever, automobile and motorcycle
shock absorber rod, valve rod, oil field pumping polished rod; polishing and grinding of various kinds of all
kinds of metal/metal bar, pipe,brass workpieces, textile machinery polished rod and wire rod.
Technical Parameters
Company Introduction
1.We are 1 manufacturer of metal foundry machinery and CNC machining machinery in China.
2.We are production automatic molding machine, die casting machine, compound CNC polishing machine , CZPT machine(compound CNC
drilling machine,CNC machining center etc.), furnace, core shooting machine, mixing sand machine and so on.
3.Our machines are extensively used in producing and machining foundry parts,metal castings,plumbing fittings, sanitary ware,car
spare parts,valve for brass, aluminium, zinc, iron cast production line and others please contact us!
4.We have professional technical support and after sale service. With a whole line foundry machines, good quality, reasonable prices and stylish designs.
sercive
1. Before payment
a. We will provide our best professional for the most suitable machine.
b. Free professional design for each customer especially. Support sample testing.
c. Welcome to visit our factory.
2. After-Sales Service
a. After sending,we will track the machine for you once every 2 days, until you get the products. When you got the goods, test
them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer the solve way for you.
b. We also can provide engineers / technicians to buyer’s factory if client requirement, train the machine works well, and also
supply the technical support for free and spare parts at good price always.
3. Guarantee Period
1 year. During the guarantee period, the seller guarantee to solve all problems may occur due to machine’s quality or wrong
design, and to provide all necessary spare parts for repair, Seller can send the technician to buyer’s factory on seller’s account
if problem is serious and can’t be solved by Buyer.
4. Payment Terms
T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
5. Lead Time
Our delivery time generally it is 30-40 days if the machines are in stock, or it is 70-90 days if the machines are not in stock,
it is according to quantity.
FAQ
1. Where is your factory located ? How can I visit it ?
A : Our factory is located in HangZhou city,ZheJiang province,China. You can fly to HangZhou or HangZhou air port, we will pick you
up.
2. Are you produce machine’s specific parameters according to the samples?
A: Yes, we produce the machine you want by your samples or technical drawings. Usually 1 machine have different molds and
fixtures like metal polishing machine,die casting machine.
3. What is your sample service?
A: We can supply the sample testing which client want to produce if we have ready machine in stock, but the customers have to pay
the sample shipping cost.
4. What is your MOQ of your machine?
A: Normally our MOQ is 1 set.
5. Do you test all your machine before delivery?
A: Yes, we have 100% test before delivery.
6: How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
Types of Splines
There are 4 types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.
Involute splines
The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents.
When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing.
A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals.
The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.
Parallel key splines
A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface.
A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials.
A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications.
The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.
Involute helical splines
Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more.
Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer.
A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit.
The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the 2 components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.
Involute ball splines
When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion.
There are 3 basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints.
The 2 types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned.
The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.
Keyed shafts
Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life.
Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery.
Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer.
Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.
