Product Description
Product Description
* All-wheel drive vehicle chassis, satisfy the national emission standard, strong off-road performance.
* Multi-axle steering intelligent control and multi-steering mode provide flexible steering and small steering
diameter.
* Hydro-pneumatic suspension with good travelling performance, which adapts to severe road conditions
such as muddy road, sand, snowfield. upland etc.
Product Features
Full Hydraulic Top-drive
Output port adopts floating device, which effectively reduces the wearing of the drill stem thread, and
increases service life of the drill stem.
Spindle has a strong slag discharge capacity through its large drift diameter, which makes it especially adapt
to the reverse circulation construction.
The Feeding System
It has a large stroke by extending completely when working.which adapts to long drill stem and long casing
constructions. It retracts when travel to reduce transportation dimensions.
It adopts cylinder-wire rope speed multiple feeding system with slow feeding mode, which provides slow
drilling and fast lifting.With that it ensures good drilling performance and improves working efficiency.
The Convenient Stem Changing Mechanism
Optional independent stem auto-change system and top-drive can use cooperatively, which realizes full
automation of stem loading and unloading, and reduces the number of workers and work intensity on the
work site.
The Advanced and Efficient Hydraulic Control System
The independently developed load sensitivity control system can provide proper flow and pressure to the
actuating mechanism according to the loading needs, which is energy-efficient.
It adopts the proportional control of the major movements, which makes the speed adjust conveniently.
With no shock when start and stop, the control is highly accurate.
The Efficient Large Torque Fastening and Unfastening Device
It can fasten and unfasten the drill tools rapidly by using with power slip cooperatively, which realizes
loading and unloading drill stem without assistance of workers and reduces work tensity.
The Comfortable Cab
Large lifting force drilling rig adopts closed cab, which insulates the noise and dust of the work site
efficiently and improves operating environment greatly. With human engineering designed intensive
operation platform, it is comfortable to operate and convenient to observe.
Technical Data
| Type | HFXC300 | HFXC500 | HFXC3000 | ||
| Drilling capability | Driling depth | m | 300(∅89) | 500(∅89) | 3000(∅114) |
| Max. diameter of working floor | mm | ∅330 | ∅500 | ∅820 | |
| Feeding system | Max. lifting capacity | KN | 160 | 280 | 1200 |
| Max.feeding capacity | KN | 80 | 120 | 260 | |
| Max.lifting speed | m/min | 32 | 39 | 30 | |
| Max.feeding speed | m/min | XS3800 | 57 | 60 | |
| Stroke | mm | 7000 | 15240 | ||
| Top drive | Max.torque | N.M | 6600/3300 | 11000 | 27500/18300 |
| Max.Speed | r/min | 95/190 | 143 | 120/180 | |
| I.D | mm | ∅55 | ∅76 | ∅105 | |
| Floating distance | mm | / | 100 | 100 | |
| Max.tilting angle | ° | / | 85 | 85 | |
| Deck engine | Type | QSB5.9-C150 | QSB6.7-C220 | CAT C18 | |
| Rated power | kw | 113 | 164 | 571 | |
| Main winch | Hoisting capacity | / | 50 | / | |
| Tool winch | Hoisting capacity | KN | 15 | / | 50 |
| Breakout device | Max.breakout torque | KN | / | 22000 | 95000 |
| vise clamping range | N.M | / | 3.5″ ~7.5″ | 2-7/8″~ 10-6/8″ | |
| Foam pump | Max. flow | mm | / | 35 | / |
| Max. pressure | L/min | / | 4 | / | |
| Mud pipe | I.D | Mpa | ∅55 | ∅76 | ∅76 |
| Max. pressure | mm | 8 | 8 | 35 | |
| Chassis | Drive mode | Mpa | 4×2 car chassis | Iveco 6×4 car chassis | 10×8 all-ground car chassis |
| Rated power | kw | 121 | 220 | 327 | |
| High speed | km/h | 79 | 96 | 80 | |
| Max.climbing gradient | % | 41 | 54 | 45 | |
| Working dimension(L*W*H) | mm | 7960 x 2500 x 7370 | 15710 x 3600 x 11250 | 14680 x 5184 x (13800 ~ 21400) | |
| Transportation dimension(L*W*H) | mm | 8100 x 2500 x 3250 | 12000 x 2500 x 4200 | 14200 x 2550 x 4000 | |
| Weight | t | 13.3 | 23 | 55 | |
Working Site
Company Introduction
Hanfa Group established in 1998 is a key enterprise in the industry of geological exploration and water well
field, with the ability to research,manufacture and market. Now, the Group pursues high standard
manufacturing and qualified products. It has more than 20 species such as water well drilling rig, core drilling
rig, engineering drilling rig, DTH drilling rig, horizontaldirectional drilling rig, etc. These machines are mainly
used in geological prospecting, exploration of railway and highway engineering, mining, SPT, water well,
geothermal well etc. Some of them won the Scientific and Technical Advance Prize or the National Scientific
Research Achievement Prize. All the products have passed the quality system certification of ISO9001:2000
and are national inspection-free products.
1. More than 30 years of experience
The factory is located in ZheJiang Province, China. We are very welcome to visit our factory. If you need it,
we will arrange a pick-up.
2.Top production team
The transportation and packaging will be packaged in international standards. If you have special packaging
requirements, we will give you the most suitable solution.
3.Our Service
– New machine provides technical trair.
– Once anything goes wrong with the machine by normal using, our technical person must appear at the first
time no matter where you are.
– When the machine should be maintained, you will receive the reminding from us.
– According to different geological conditions, we will recommend different construction plans for you
– Remind you which are wearing parts, so you can prepare enough.
– 24 hours respond to your quality problem.
Workshop
Our Customers
Service
Our Honor
FAQ
1, Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig,
DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South
America, Africa, and get a good reputation in the world.
2, Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for
checking every machine before leaving our factory.
3, How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great
number of strict testing in order to offer the best quality to our customers.
4, Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our
engineer to your worksite and provid the training for your staff.
5, What about the qaulity warranty?
We offer one-year quality warranty for machines’ main body.
6, How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.
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.
