China OEM Harvey Tigre Wheel Loader Ht920 Xiagong Xgma Xg951 Xg951h 5 Ton Wheel Loader with Imported Engine Cheap Price for Sale Sw405K 5tons China Medium Sized Front End with high quality

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 Roller needle Подшипник роликовый игольчатый 46 33 12JS160T-17 0571 1 bearing pneumatic regulating control valve пневматический регулирующий контрольный клапан  54 34 F91444 oil seal cuff сальник манжетка 88 35 192311E elongated intermediate shaft of the auxiliary gearbox assembly удлиненный промежуточный вал вспомогательной КПП в сборе 18 36 14341  Gear Shift cylinder piston Поршень цилиндра переключения диапазонов передач 60 37 14344  O-shaped O-ring О-образное уплотнительное кольцо 140 38 14345  O-shaped O-ring О-образное уплотнительное кольцо 140 39 14349  Cylinder head cover sealing gasket Прокладка уплотнительная крышки головки блока цилиндров 80 40 14765  O-shaped O-ring О-образное уплотнительное кольцо 140 41 12JS160T-1707062 Gear shift cylinder gear shift Цилиндр переключения диапазонов передач 50 42 F99857 cylinder cover for auxiliary gearbox control крышка цилиндра переключения передач управления вспомогательной КПП 30 43 JS intermediate shaft cover gasket for auxiliary gearbox demultiplicator прокладка крышки промежуточного вала демультипликатора вспомогательной КПП 50 44 JS180-17 0571 6 rear bearing cover gasket for spindle прокладка крышки заднего подшипника демультипликатора шпинделя 50 45 615-6 housing gasket clutch картер сцепления 4 115 Q61304 housing cone plug пробка конусная 40 116 JS180A-1757140-3 primary shaft bearing cover primary shaft крышка подшипника первичного вала 4 117 JS180A-1757136 nut гайка первичного вала 10 118 C57120 locking ring кольцо стопорное 12 119 155712К Bearing Подшипник 8 120 16463  gear bushing втулка шестерни 8 121 14750  locking ring кольцо стопорное 8 122 JS180A-1757130-3 primary shaft вал первичный 4 123 12JS2 Locking flange of the demultiplier bearing Фланец фиксаторный подшипника демультипликатора 12 138 С571 Bolt M10x22 Болт М10х22 20 139 12JS2 Bearing подшипник 6 149 10JS160-17571 Cover крышка 10 150 С57132 cuff of the rear bearing cover манжета крышки заднего подшипника 40 151 F91 intermediate shaft reverse gear промежуточный вал передачи заднего хода 40 215 12JS160T-17 0571 1 bearing secondary shaft assembly подшипник вторичного вала в сборе 10 216 12.7G1, A, , B7615-1571/411B/Yuchai YC6B125/YC6108 Engine exhaust valve Клапан выпускной двигателя 12 370 251405716/251757103/40*140 Steering cylinder pin Палец рулевого цилиндра 20 371 255715712/Z3.8.5/255715712/Z3.8.5/50*145 Rear axle balance pin (fork) Палец балансира заднего моста (вилка) 10 372 Z5G.6.21/251405710/80*240 Pin fork (bucket hydraulic cylinder frame) Палец вилка (рама гц ковша) 6 373 , BA/YC6B125/YC6108/Yuchai Fuel tube (return of injectors) of the CZPT engine Трубка топливная (обратка форсунок) двигателя 1 374 630-1112,, 411 2nd gear gearbox shaft Вал КПП 2-ой передачи 1 393 LW3 Reverse gear gearbox shaft Вал КПП задней передачи 1 394 83513201/SP105819/PY180.39.02-01 Main hub shaft Вал основной ступичный 1 395 Z3.4.2-01/LW3 Shaft bushing Втулка вала 4 403 ZL50E-6-2/2504C Water pump Насос водяной 2 444 CBT-E316/CBN-F316 Hydraulic pump Насос гидравлический 1 445 CBG2040/JHP2040/W0606A Return tube Трубка обратки 2 481 Клапан тормозной Brake valve 1 605 Z30.4.13 Клапан трансмиссии Transmission valve 1 606 ZL50E-II-001/Xihu (West Lake) Dis.n 956, ZLM50E-5 Колодка тормозная на погрузчик Brake pad for loader 10 607 Z50B.2.1-3  Муфта включения Switching coupling 1 608 Z50B.2.1-30 Муфта включения Switching coupling 1 609 zlm50E-5 Ремкомплект гидроцилиндра опрокидывания ковша Bucket Tipping Hydraulic Cylinder Repair Kit 1 610 zlm50E-6 Ремкомплект гидроцилиндра подъема стрелы Boom Lifting Hydraulic Cylinder Repair Kit 1 611 zlm50E-5 Ремкомплект гидроцилиндра рулевого Steering cylinder Repair kit 1 612 Z30.6.3B-RKT Ремкомплект суппорта тормозного Brake Caliper Repair Kit 1 613 50*80*12/B-G09877A-0571 Сальник Oil seal 6 614 Z50B.14.21-4 Фильтр гидравлический Hydraulic filter 5 615 Z50E.14.1.3 Фильтр гидравлический Hydraulic filter 5 616 W-15-00057 Фильтр трансмиссии Transmission filter 6 617 Z55S030000002T9 Вал насоса КПП Gearbox pump shaft 1 618 Z35F5715571B Муфта  резиновая Rubber coupling 2 619 Z50E0301 Насос КПП Gear Shift Pump 1 620 CG50.6.2-10 Генератор Generator 1 2 654 C6121/6N9294/5C9088 Генератор Generator 2 2 655 16Y-11-00000/YJ380 Гидротрансформатор (Конвертер) Torque Converter (Converter) 1 656 3418684/3418529 Головка блока цилиндров в сборе Cylinder head assembly 2 1 657 7N8866 Головка блока цилиндров ДВС (НЕ В СБОРЕ) Engine cylinder head (NOT ASSEMBLED) 1 658 16Y-15-00026 Диск КПП (поршень) Gearbox disc (piston) 2 659 16Y-16-57102 Диск нажимной Push disk 2 660 16Y-16-0571 Диск фрикционный Friction disc 1 10 661 16Y-16-57100 Диск фрикционный Friction disc 2 10 662 16Y-15-09000 Диск фрикционный КПП Friction gearbox disc 1 10 663 175-15-12713 Диск фрикционный КПП Friction gearbox disc 2 10 664 198-30-16612+170-27-12340 Доукон малый (КОМПЛЕКТ) Doukon Small (SET) 5 665 ZL50G2-11100-2Y Зуб боковой правый Right lateral tooth 4 666 175-20-30000 Кардан (муфта в сборе) Cardan (coupling assembly) 1 667 D2711-10500/D2700-10500 Клаксон Klaxon 3 668 16Y-11-30000 Клапан ГТР Torque Converter Valve 1 669 154-49-51100 Клапан регулировки давления Pressure control valve 1 670 701-30-51002 Главный редукционный клапан в сборе Main pressure reducing valve assembly 1 671 (3 0571 80+315719+3012332+315717)/3803471/3801755 Кольца поршневые (комплект 18 шт.) Piston rings (set of 18 pcs.) 2 672 4058967+4058968+4058969 Кольца поршневые (КОМПЛЕКТ) Piston rings (SET) 2                                                                                


How to Determine the Quality of a Worm Shaft

There are many advantages of a worm shaft. It is easier to manufacture, as it does not require manual straightening. Among these benefits are ease of maintenance, reduced cost, and ease of installation. In addition, this type of shaft is much less prone to damage due to manual straightening. This article will discuss the different factors that determine the quality of a worm shaft. It also discusses the Dedendum, Root diameter, and Wear load capacity.
worm shaft

Root diameter

There are various options when choosing worm gearing. The selection depends on the transmission used and production possibilities. The basic profile parameters of worm gearing are described in the professional and firm literature and are used in geometry calculations. The selected variant is then transferred to the main calculation. However, you must take into account the strength parameters and the gear ratios for the calculation to be accurate. Here are some tips to choose the right worm gearing.
The root diameter of a worm gear is measured from the center of its pitch. Its pitch diameter is a standardized value that is determined from its pressure angle at the point of zero gearing correction. The worm gear pitch diameter is calculated by adding the worm’s dimension to the nominal center distance. When defining the worm gear pitch, you have to keep in mind that the root diameter of the worm shaft must be smaller than the pitch diameter.
Worm gearing requires teeth to evenly distribute the wear. For this, the tooth side of the worm must be convex in the normal and centre-line sections. The shape of the teeth, referred to as the evolvent profile, resembles a helical gear. Usually, the root diameter of a worm gear is more than a quarter inch. However, a half-inch difference is acceptable.
Another way to calculate the gearing efficiency of a worm shaft is by looking at the worm’s sacrificial wheel. A sacrificial wheel is softer than the worm, so most wear and tear will occur on the wheel. Oil analysis reports of worm gearing units almost always show a high copper and iron ratio, suggesting that the worm’s gearing is ineffective.


The dedendum of a worm shaft refers to the radial length of its tooth. The pitch diameter and the minor diameter determine the dedendum. In an imperial system, the pitch diameter is referred to as the diametral pitch. Other parameters include the face width and fillet radius. Face width describes the width of the gear wheel without hub projections. Fillet radius measures the radius on the tip of the cutter and forms a trochoidal curve.
The diameter of a hub is measured at its outer diameter, and its projection is the distance the hub extends beyond the gear face. There are 2 types of addendum teeth, 1 with short-addendum teeth and the other with long-addendum teeth. The gears themselves have a keyway (a groove machined into the shaft and bore). A key is fitted into the keyway, which fits into the shaft.
Worm gears transmit motion from 2 shafts that are not parallel, and have a line-toothed design. The pitch circle has 2 or more arcs, and the worm and sprocket are supported by anti-friction roller bearings. Worm gears have high friction and wear on the tooth teeth and restraining surfaces. If you’d like to know more about worm gears, take a look at the definitions below.
worm shaft

CZPT’s whirling process

Whirling process is a modern manufacturing method that is replacing thread milling and hobbing processes. It has been able to reduce manufacturing costs and lead times while producing precision gear worms. In addition, it has reduced the need for thread grinding and surface roughness. It also reduces thread rolling. Here’s more on how CZPT whirling process works.
The whirling process on the worm shaft can be used for producing a variety of screw types and worms. They can produce screw shafts with outer diameters of up to 2.5 inches. Unlike other whirling processes, the worm shaft is sacrificial, and the process does not require machining. A vortex tube is used to deliver chilled compressed air to the cutting point. If needed, oil is also added to the mix.
Another method for hardening a worm shaft is called induction hardening. The process is a high-frequency electrical process that induces eddy currents in metallic objects. The higher the frequency, the more surface heat it generates. With induction heating, you can program the heating process to harden only specific areas of the worm shaft. The length of the worm shaft is usually shortened.
Worm gears offer numerous advantages over standard gear sets. If used correctly, they are reliable and highly efficient. By following proper setup guidelines and lubrication guidelines, worm gears can deliver the same reliable service as any other type of gear set. The article by Ray Thibault, a mechanical engineer at the University of Virginia, is an excellent guide to lubrication on worm gears.

Wear load capacity

The wear load capacity of a worm shaft is a key parameter when determining the efficiency of a gearbox. Worms can be made with different gear ratios, and the design of the worm shaft should reflect this. To determine the wear load capacity of a worm, you can check its geometry. Worms are usually made with teeth ranging from 1 to 4 and up to twelve. Choosing the right number of teeth depends on several factors, including the optimisation requirements, such as efficiency, weight, and centre-line distance.
Worm gear tooth forces increase with increased power density, causing the worm shaft to deflect more. This reduces its wear load capacity, lowers efficiency, and increases NVH behavior. Advances in lubricants and bronze materials, combined with better manufacturing quality, have enabled the continuous increase in power density. Those 3 factors combined will determine the wear load capacity of your worm gear. It is critical to consider all 3 factors before choosing the right gear tooth profile.
The minimum number of gear teeth in a gear depends on the pressure angle at zero gearing correction. The worm diameter d1 is arbitrary and depends on a known module value, mx or mn. Worms and gears with different ratios can be interchanged. An involute helicoid ensures proper contact and shape, and provides higher accuracy and life. The involute helicoid worm is also a key component of a gear.
Worm gears are a form of ancient gear. A cylindrical worm engages with a toothed wheel to reduce rotational speed. Worm gears are also used as prime movers. If you’re looking for a gearbox, it may be a good option. If you’re considering a worm gear, be sure to check its load capacity and lubrication requirements.
worm shaft

NVH behavior

The NVH behavior of a worm shaft is determined using the finite element method. The simulation parameters are defined using the finite element method and experimental worm shafts are compared to the simulation results. The results show that a large deviation exists between the simulated and experimental values. In addition, the bending stiffness of the worm shaft is highly dependent on the geometry of the worm gear toothings. Hence, an adequate design for a worm gear toothing can help reduce the NVH (noise-vibration) behavior of the worm shaft.
To calculate the worm shaft’s NVH behavior, the main axes of moment of inertia are the diameter of the worm and the number of threads. This will influence the angle between the worm teeth and the effective distance of each tooth. The distance between the main axes of the worm shaft and the worm gear is the analytical equivalent bending diameter. The diameter of the worm gear is referred to as its effective diameter.
The increased power density of a worm gear results in increased forces acting on the corresponding worm gear tooth. This leads to a corresponding increase in deflection of the worm gear, which negatively affects its efficiency and wear load capacity. In addition, the increasing power density requires improved manufacturing quality. The continuous advancement in bronze materials and lubricants has also facilitated the continued increase in power density.
The toothing of the worm gears determines the worm shaft deflection. The bending stiffness of the worm gear toothing is also calculated by using a tooth-dependent bending stiffness. The deflection is then converted into a stiffness value by using the stiffness of the individual sections of the worm shaft. As shown in figure 5, a transverse section of a two-threaded worm is shown in the figure.

China OEM Harvey Tigre Wheel Loader Ht920 Xiagong Xgma Xg951 Xg951h 5 Ton Wheel Loader with Imported Engine Cheap Price for Sale Sw405K 5tons China Medium Sized Front End   with high qualityChina OEM Harvey Tigre Wheel Loader Ht920 Xiagong Xgma Xg951 Xg951h 5 Ton Wheel Loader with Imported Engine Cheap Price for Sale Sw405K 5tons China Medium Sized Front End   with high quality


Recent Posts