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Product Description

Dear friends!
My name is Irina Mamoshina. Please pay a moment of your attention : -).
Our company HangZhou CZPT International Trade Co., Ltd is engaged in the production and sale of auto parts for Chinese special equipment, engines and equipment assembly. We also produce metal parts ourselves, such as gears, fingers, filters, etc.
Our products include:
ZL30G, ZL40G, ZL50G, ZL50GL, ZL60G, LW3, A, , B7615-1571/411B/Yuchai YC6B125/YC6108 Клапан выпускной двигателя Engine exhaust valve 12 112 251405716/251757103/40*140 Палец рулевого цилиндра Steering cylinder pin 20 113 255715712/Z3.8.5/255715712/Z3.8.5/50*145 Палец балансира заднего моста (вилка) Rear axle balance pin (fork) 10 114 Z5G.6.21/251405710/80*240 Палец вилка (рама гц ковша) Pin fork (bucket hydraulic cylinder frame) 6 115 , BA/YC6B125/YC6108/Yuchai Трубка топливная (обратка форсунок) двигателя Fuel tube (return of injectors) of the CZPT engine 1 116 630-1112,, 411 Вал КПП 2-ой передачи 2nd gear gearbox shaft 1 135 LW3 Вал КПП задней передачи Reverse gear gearbox shaft 1 136 83513201/SP105819/PY180.39.02-01 Вал основной ступичный Main hub shaft 1 137 Z3.4.2-01/LW3 Втулка вала Shaft bushing 4 145 ZL50E-6-2/2504C Насос водяной Water pump 2 186 CBT-E316/CBN-F316 Насос гидравлический Hydraulic pump 1 187 CBG2040/JHP2040/W0606A Трубка обратки Return tube 2 223 Клапан электромагнитный остановки двигателя Electromagnetic engine stop valve 1 575 M66/SP106197/SP106810/SP140709 Кольцо гильзы цилиндра (1 шт) Cylinder Liner Ring (1 piece) 5 577 A3 Насос масляный Oil pump 1 2 579 1AQ, B76481303 ТНВД High pressure Fuel pump 1 583 JP60C1G-502 Турбокомпрессор Turbocharger 1 584 13054119, 1357177, 411/TD226B-6/WP6G125E22 Болт ГБЦ двигателя Deutz Deutz engine Cylinder head bolt 60 585 12167047/411, CX 0571 B/Deutz TD226 LG936 Фильтр топливный тонкой очистки Fuel fine filter 5, 9151/LG 952/80*95*90 Втулка пальца стрелы нижняя Boom pin lower sleeve 20 606 4043, 2927/LG 936/60х235 Палец крепления подъемного цилиндра стрелы (у кабины) Boom lifting cylinder mounting pin (at the cab) 16 625 4043/LG 933, 936/65х235 Палец крепления стрелы к раме (у кабины) Boom attachment finger to the frame (at the cabin) 6 626 4043 Суппорт тормозной Brake caliper 3 60 635 615G00060016/41100571085/71C ZL50G/WD615 Термостат уточка Duckling thermostat 10 636 2571900170/L=2300/956 Трос газа Gas cable 6 637 29100004061/LG 936 Фильтр гидравлический Hydraulic filter 20 638 29250004011/LG936 Фланец пальца сочленения полурам верхний Joint pin hollow upper flange 30 639 292500 0571 1/LG 936 Фланец пальца сочленения полурам нижний Joint pin hollow bottom flange 30 640 4043000125/60*100*1 LG-933, 936 Шайба регулировочная (сочл палец-втулка) Adjusting washer (pin-sleeve joint) 1 150 641 4043000198/65*140*2 LG-933, 936 Шайба регулировочная (сочл палец-втулка) Adjusting washer (pin-sleeve joint) 2 20 642 3050900041 Шестерня сателлита Satellite Gear 2 2 643 K936571004 Щетка с поводком очистителя ветрового стекла (под 2 шлицевых вала) Brush with windscreen cleaner leash (under 2 spline shafts) 2 30 644 D04-107-30+C/ZheJiang D6114ZG2B Колпачок маслосъёмный двигателя (ОРИГИНАЛ) Engine oil removal cap (ORIGINAL) 60 645 16AZ009/C6121 Привод вентилятора в сборе Fan drive assembly 1 646 3306-K1/K2/ZheJiang C6121 (A) Ремкомплект двигателя Engine Repair Kit 5 647 D02A-118-07+A/130*150*14 ZheJiang D9-220 Сальник коленвала задний (ОРИГИНАЛ) Rear crankshaft oil seal                                                                                  

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.


An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.


Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.


Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China supplier Wheel Loader Spare Parts Hollow Bolt Manufacture Bolt Manufacture Stainless Steel Loader Spare Parts High Quality High Efficiency Wheel Loader Accessories Spare   with high qualityChina supplier Wheel Loader Spare Parts Hollow Bolt Manufacture Bolt Manufacture Stainless Steel Loader Spare Parts High Quality High Efficiency Wheel Loader Accessories Spare   with high quality