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.
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.
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.
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.
