Product Description
1.;Who we are?
HangZhou XIHU (WEST LAKE) DIS. CARDANSHAFT CO;LTD has 15 years history.;When the general manager Mr.;Rony Du graduated from the university,;he always concentrated his attention on the research and development,;production and sales of the cardan shaft.;Mr.;Rony Du and his team started from scratch,;from 1 lathe and a very small order,;step by step to grow up.;He often said to his team”We will only do 1 thing well——to make the perfect cardan shaft”.;
HangZhou XIHU (WEST LAKE) DIS. CARDANSHAFT CO.;,;LTD was founded in 2005.;The registered capital is 8 million ,;covers an area of 15 acres,; has 30 existing staff.; The company specializing in the production of SWC,; SWP cross universal coupling and drum tooth coupling.;The company with factory is located in the beautiful coast of Tai Lake –Hudai (HangZhou Economic Development Zone Hudai Industrial Park);.;
In order to become China’s leading cardan shaft one-stop solution expert supplier .;XIHU (WEST LAKE) DIS. CARDANSHAFT independent research and development of SWC light,; medium,; short,; heavy Designs cardan shaft have reached the leading domestic level.;Products not only supporting domestic large and medium-sized customers,; but also exported to the United States,; India,; Vietnam,; Laos,; Ukraine,; Russia,; Germany,; Britain and other countries and areas.;In the past 15 years,; the company has accumulated a wealth of experience,; learn from foreign advanced technology,; and to absorb and use the universal axis has been improved several times,; so that the structure is maturing,; significantly improved performance.;
XIHU (WEST LAKE) DIS. belief:; “Continuous innovation,; optimize the structure,; perseverance” to create a high quality of outstanding cardan shaft manufacturer.;We always adhere to the ISO9001 quality control system,; from the details to start,; standardize the production process,; and to achieve processing equipment “specialization,; numerical control” rapid increase in product quality.;This Not only won the majority of customers reputation,; but also access to peer recognition.; We continue to strive to pursue:; “for customers to create the greatest value,; for the staff to build the best platform”,; will be CZPT to achieve customer and business mutually beneficial CZPT situation.;
2.;Why choose us?
First,;select raw material carefully
The cross is the core component of cardan shaft,;so the selection of material is particularly critical.;Raw materials of the cross for light Duty Size and Medium Duty Size,;we choose the 20CrMnTi special gear steel bar from SHAGANG GROUP.;Being forged in 2500 ton friction press to ensure internal metallurgical structure,;inspecting the geometric dimensions of each part to meet the drawing requirements,;then transfer to machining,;the processes of milling,; turning,; quenching and grinding.;
The inspector will screen blank yoke head.;The porosity,; cracks,; slag,; etc.; do not meet the requirements of the casting foundry are all eliminated,;then doing physical and chemical analysis,; to see whether the ingredients meet the requirements,; unqualified re-elimination.;And then transferred to the quenching and tempering heat treatment,; once again check the hardness to see if meet the requirements,; qualified to be transferred to the machining process.; We control from the source of the material to ensure the supply of raw materials qualified rate of 99%.;
Second,;advanced production equipment
XIHU (WEST LAKE) DIS. Company introduced four-axis linkage machining center made in ZheJiang ,; milling the keyway and flange bolt hole of the flange yoke,; The once machine-shaping ensures that the symmetry of the keyway and the position of the bolt hole are less than 0.;02mm,;which greatly improves the installation accuracy of the flange,;the 4 axis milling and drilling center holes of the cross are integrated,;to ensure that the 4 shaft symmetry and verticality are less than 0.;02mm,;the process of the journal cross assembly service life can be increased by 30%,; and the speed at 1000 rpm above the cardan shaft running smoothly and super life is crucial to the operation.;
We use CNC machine to lathe flange yoke and welded yoke,;CNC machine can not only ensure the accuracy of the flange connection with the mouth,; but also improve the flange surface finish.;
5 meters automatic welding machine welding spline sleeve and tube,;welded yoke and tube.;With the welding CZPT swing mechanism,; automatic lifting mechanism,; adjustment mechanism and welding CZPT cooling system,; welding machine can realize multi ring continuous welding,; each coil current and voltage can be preset,; arc starting and stopping control PLC procedures,; reliable welding quality,; the weld bead is smooth and beautiful,; to control the welding process with fixed procedures,; greatly reducing the uncertainty of human during welding,; greatly improve the welding effect.;
High speed cardan shaft needs to do dynamic balance test before leaving the factory.;Unbalanced cardan shaft will produce excessive centrifugal force at high speed and reduce the service life of the bearing;the dynamic balance test can eliminate the uneven distribution of the casting weight and the mass distribution of the whole assembly;Through the experiment to achieve the design of the required balance quality,; improve the universal shaft service life.;In 2008 the company introduced 2 high-precision dynamic balance test bench,; the maximum speed can reach 4000 rev / min,; the balance of G0.;8 accuracy,; balance weight 2kg–1000kg.;
In order to make the paint standardization,; in 2009 the company bought 10 meters of clean paint room ,; the surface treatment of cardan shaft is more standardized,; paint fastness is more rugged,; staff’s working conditions improved,; exhaust of harmless treatment.;
Third,;Professional transport packaging
The packing of the export cardan shaft is all in the same way as the plywood wooden box,; and then it is firmly secured with the iron sheet,; so as to avoid the damage caused by the complicated situation in the long-distance transportation.; Meet the standard requirements of plywood boxes into Europe and other countries,; no matter where can successfully reach all the country’s ports.;
The following table for SWC Medium-sized Universal Shaft Parameters.;
Designs
Data and Sizes of SWCZ Series Universal Joint Couplings
| pe | Design Data Item |
SWC160 | SWC180 | SWC200 | SWC225 | SWC250 | SWC265 | SWC285 | SWC315 | SWC350 | SWC390 | SWC440 | SWC490 | SWC550 | SWC620 |
| A | L | 740 | 800 | 900 | 1000 | 1060 | 1120 | 1270 | 1390 | 1520 | 1530 | 1690 | 1850 | 2060 | 2280 |
| LV | 100 | 100 | 120 | 140 | 140 | 140 | 140 | 140 | 150 | 170 | 190 | 190 | 240 | 250 | |
| M(kg); | 65 | 83 | 115 | 152 | 219 | 260 | 311 | 432 | 610 | 804 | 1122 | 1468 | 2154 | 2830 | |
| B | L | 480 | 530 | 590 | 640 | 730 | 790 | 840 | 930 | 100 | 1571 | 1130 | 1340 | 1400 | 1520 |
| M(kg); | 44 | 60 | 85 | 110 | 160 | 180 | 226 | 320 | 440 | 590 | 820 | 1090 | 1560 | 2100 | |
| C | L | 380 | 420 | 480 | 500 | 560 | 600 | 640 | 720 | 782 | 860 | 1040 | 1080 | 1220 | 1360 |
| M(kg); | 35 | 48 | 66 | 90 | 130 | 160 | 189 | 270 | 355 | 510 | 780 | 970 | 1330 | 1865 | |
| D | L | 520 | 580 | 620 | 690 | 760 | 810 | 860 | 970 | 1030 | 1120 | 1230 | 1360 | 1550 | 1720 |
| M(kg); | 48 | 65 | 90 | 120 | 173 | 220 | 250 | 355 | 485 | 665 | 920 | 1240 | 1765 | 2390 | |
| E | L | 800 | 850 | 940 | 1050 | 1120 | 1180 | 1320 | 1440 | 1550 | 1710 | 1880 | 2050 | 2310 | 2540 |
| LV | 100 | 100 | 120 | 140 | 140 | 140 | 140 | 140 | 150 | 170 | 190 | 190 | 240 | 250 | |
| M(kg); | 70 | 92 | 126 | 165 | 238 | 280 | 340 | 472 | 660 | 886 | 1230 | 1625 | 2368 | 3135 | |
| Tn(kN·m); | 16 | 22.;4 | 31.;5 | 40 | 63 | 80 | 90 | 125 | 180 | 250 | 355 | 500 | 710 | 1000 | |
| TF(kN·m); | 8 | 11.;2 | 16 | 20 | 31.;5 | 40 | 45 | 63 | 90 | 125 | 180 | 250 | 355 | 500 | |
| Β(°); | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | |
| D | 160 | 180 | 200 | 225 | 250 | 265 | 285 | 315 | 350 | 390 | 440 | 490 | 550 | 620 | |
| Df | 160 | 180 | 200 | 225 | 250 | 265 | 285 | 315 | 350 | 3690 | 440 | 490 | 550 | 620 | |
| D1 | 137 | 155 | 170 | 196 | 218 | 233 | 245 | 280 | 310 | 345 | 390 | 435 | 492 | 555 | |
| D2(H9); | 100 | 105 | 120 | 135 | 150 | 160 | 170 | 185 | 210 | 235 | 255 | 275 | 320 | 380 | |
| D3 | 108 | 114 | 140 | 159 | 168 | 180 | 194 | 219 | 245 | 273 | 299 | 325 | 402 | 426 | |
| Lm | 95 | 105 | 110 | 125 | 140 | 150 | 160 | 180 | 195 | 215 | 260 | 270 | 305 | 340 | |
| K | 16 | 17 | 18 | 20 | 25 | 25 | 27 | 32 | 35 | 40 | 42 | 47 | 50 | 55 | |
| T | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 10 | 12 | 12 | 12 | |
| N | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 16 | 16 | 16 | 16 | |
| D | 15 | 17 | 17 | 17 | 19 | 19 | 21 | 23 | 23 | 25 | 28 | 31 | 31 | 38 | |
| B | 20 | 24 | 32 | 32 | 40 | 40 | 40 | 40 | 50 | 70 | 80 | 90 | 100 | 100 | |
| G | 6.;0 | 7.;0 | 9.;0 | 9.;0 | 12.;5 | 12.;5 | 12.;5 | 15.;0 | 16.;0 | 18.;0 | 20.;0 | 22.;5 | 22.;5 | 25 | |
| MI(Kg); | 2.;57 | 3 | 3.;85 | 3.;85 | 5.;17 | 6 | 6.;75 | 8.;25 | 10.;6 | 13 | 18.;50 | 23.;75 | 29.;12 | 38.;08 | |
| Size | M14 | M16 | M16 | M16 | M18 | M18 | M20 | M22 | M22 | M24 | M27 | M30 | M30 | M36 | |
| Tightening torque(Nm); | 180 | 270 | 270 | 270 | 372 | 372 | 526 | 710 | 710 | 906 | 1340 | 1820 | 1820 | 3170 |
1.; Notations:;
L=Standard length,; or compressed length for designs with length compensation;
LV=Length compensation;
M=Weight;
Tn=Nominal torque(Yield torque 50% over Tn);;
TF=Fatigue torque,; I.; E.; Permissible torque as determined according to the fatigue strength
Under reversing loads;
Β=Maximum deflection angle;
MI=weight per 100mm tube
2.; Millimeters are used as measurement units except where noted;
3.; Please consult us for customizations regarding length,; length compensation and
Flange connections.;
(DIN or SAT etc.; );
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.
