China Hot selling S Series China Factory Parallel Shaft Helical Gearbox Variable Speed Gear Reducer Worm Reducer with Hot selling

Solution Description

SC Transmission S Collection China Manufacturing facility Parallel Shaft Helical Gearbox Variable Speed Equipment Reducer Worm Reducer


Model:37~ninety seven


Input power: 0.twelve~22kW

Output torque:11~4900N.m


Item Description


1.1. S series: proper-angle pace reduction gearing composed by helical gears, worms, and gears, optimized and created in accordance to intercontinental regular
one.2.High precision, large efficiency, wonderful classification in transmission ratio, broad range, big transmission torque, trustworthy efficiency, reduced sound, flexible set up, and practical use and maintenance.
one.3. They are commonly utilized in a variety of minimal-velocity transmissions, which are basic basic areas of mechanical transmission. 


Merchandise Parameters



Organization Profile



Shipping and delivery

How to Choose a Worm Shaft and Gear For Your Project

You will understand about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed information on these two factors will support you choose a suitable Worm Shaft. Read through on to learn far more….and get your hands on the most superior gearbox ever created! Below are some ideas for deciding on a Worm Shaft and Equipment for your venture!…and a number of items to keep in thoughts.
worm shaft

Gear 22

The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a conventional equipment. This is because the tooth of Equipment 22 are concave, enabling for much better conversation with the threads of the worm shaft twenty. The worm’s lead angle causes the worm to self-lock, stopping reverse motion. Nevertheless, this self-locking mechanism is not totally reliable. Worm gears are utilised in several industrial apps, from elevators to fishing reels and automotive electricity steering.
The new gear is installed on a shaft that is secured in an oil seal. To set up a new gear, you 1st want to take away the previous equipment. Following, you need to have to unscrew the two bolts that hold the equipment onto the shaft. Following, you need to eliminate the bearing carrier from the output shaft. After the worm equipment is taken off, you want to unscrew the retaining ring. Soon after that, put in the bearing cones and the shaft spacer. Make sure that the shaft is tightened correctly, but do not above-tighten the plug.
To prevent premature failures, use the proper lubricant for the sort of worm equipment. A higher viscosity oil is needed for the sliding motion of worm gears. In two-thirds of purposes, lubricants had been insufficient. If the worm is frivolously loaded, a low-viscosity oil may possibly be enough. Normally, a large-viscosity oil is essential to maintain the worm gears in very good issue.
An additional choice is to range the variety of enamel around the gear 22 to decrease the output shaft’s speed. This can be completed by environment a distinct ratio (for case in point, five or 10 occasions the motor’s speed) and modifying the worm’s dedendum accordingly. This approach will reduce the output shaft’s pace to the desired level. The worm’s dedendum need to be tailored to the desired axial pitch.

Worm Shaft 20

When picking a worm gear, consider the subsequent issues to consider. These are higher-functionality, minimal-sounds gears. They are resilient, minimal-temperature, and prolonged-long lasting. Worm gears are broadly used in quite a few industries and have many positive aspects. Shown below are just some of their advantages. Go through on for more information. Worm gears can be hard to preserve, but with correct upkeep, they can be very reliable.
The worm shaft is configured to be supported in a body 24. The dimensions of the frame 24 is established by the heart distance among the worm shaft 20 and the output shaft sixteen. The worm shaft and equipment 22 could not arrive in contact or interfere with one another if they are not configured appropriately. For these reasons, suitable assembly is essential. Even so, if the worm shaft 20 is not properly installed, the assembly will not function.
Yet another important thought is the worm material. Some worm gears have brass wheels, which might result in corrosion in the worm. In addition, sulfur-phosphorous EP equipment oil activates on the brass wheel. These supplies can lead to significant decline of load floor. Worm gears should be set up with substantial-high quality lubricant to avert these difficulties. There is also a need to select a substance that is substantial-viscosity and has minimal friction.
Velocity reducers can include numerous various worm shafts, and every pace reducer will call for different ratios. In this case, the velocity reducer maker can give different worm shafts with diverse thread designs. The distinct thread patterns will correspond to different gear ratios. Irrespective of the equipment ratio, every single worm shaft is produced from a blank with the wanted thread. It will not be challenging to uncover 1 that fits your requirements.
worm shaft

Equipment 22’s axial pitch PX

The axial pitch of a worm equipment is calculated by making use of the nominal centre distance and the Addendum Element, a constant. The Centre Length is the distance from the heart of the equipment to the worm wheel. The worm wheel pitch is also called the worm pitch. Equally the dimension and the pitch diameter are taken into thing to consider when calculating the axial pitch PX for a Equipment 22.
The axial pitch, or lead angle, of a worm gear determines how successful it is. The greater the direct angle, the significantly less effective the gear. Lead angles are straight related to the worm gear’s load capability. In certain, the angle of the guide is proportional to the size of the tension spot on the worm wheel enamel. A worm gear’s load potential is immediately proportional to the volume of root bending anxiety introduced by cantilever motion. A worm with a direct angle of g is virtually equivalent to a helical equipment with a helix angle of ninety deg.
In the existing creation, an enhanced approach of producing worm shafts is described. The technique entails identifying the desired axial pitch PX for each and every reduction ratio and frame measurement. The axial pitch is proven by a technique of manufacturing a worm shaft that has a thread that corresponds to the preferred equipment ratio. A gear is a rotating assembly of areas that are created up of enamel and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be produced from distinct materials. The substance employed for the gear’s worms is an critical thing to consider in its variety. Worm gears are normally manufactured of metal, which is more robust and corrosion-resistant than other supplies. They also require lubrication and may possibly have ground enamel to lessen friction. In addition, worm gears are usually quieter than other gears.

Equipment 22’s tooth parameters

A research of Gear 22’s tooth parameters exposed that the worm shaft’s deflection is dependent on a variety of aspects. The parameters of the worm equipment were diverse to account for the worm equipment size, force angle, and dimension element. In addition, the quantity of worm threads was transformed. These parameters are assorted based on the ISO/TS 14521 reference gear. This examine validates the created numerical calculation model using experimental outcomes from Lutz and FEM calculations of worm gear shafts.
Utilizing the outcomes from the Lutz test, we can acquire the deflection of the worm shaft employing the calculation approach of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulation presented in AGMA 6022 and DIN 3996 present a very good correlation with examination results. However, the calculation of the worm shaft making use of the root diameter of the worm utilizes a different parameter to calculate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated via a finite element design (FEM). Utilizing a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be deemed for a comprehensive gearbox system as stiffness of the worm toothing is deemed. And finally, dependent on this study, a correction factor is designed.
For an ideal worm gear, the quantity of thread commences is proportional to the dimension of the worm. The worm’s diameter and toothing element are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The length amongst the main axes and the worm shaft is decided by Equation fourteen.
worm shaft

Gear 22’s deflection

To research the impact of toothing parameters on the deflection of a worm shaft, we utilized a finite element strategy. The parameters deemed are tooth peak, force angle, dimension factor, and variety of worm threads. Every single of these parameters has a diverse affect on worm shaft bending. Table 1 demonstrates the parameter variants for a reference gear (Gear 22) and a different toothing model. The worm equipment dimension and amount of threads establish the deflection of the worm shaft.
The calculation technique of ISO/TS 14521 is dependent on the boundary problems of the Lutz check setup. This method calculates the deflection of the worm shaft utilizing the finite factor approach. The experimentally calculated shafts were in contrast to the simulation benefits. The examination benefits and the correction element have been compared to verify that the calculated deflection is comparable to the calculated deflection.
The FEM evaluation indicates the impact of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be discussed by the ratio of tooth pressure to mass. The ratio of worm tooth force to mass determines the torque. The ratio between the two parameters is the rotational speed. The ratio of worm equipment tooth forces to worm shaft mass establishes the deflection of worm gears. The deflection of a worm gear has an influence on worm shaft bending ability, efficiency, and NVH. The steady advancement of electrical power density has been accomplished through developments in bronze materials, lubricants, and production high quality.
The main axes of moment of inertia are indicated with the letters A-N. The 3-dimensional graphs are similar for the seven-threaded and one-threaded worms. The diagrams also demonstrate the axial profiles of every single equipment. In addition, the main axes of instant of inertia are indicated by a white cross.

China Hot selling S Series China Factory Parallel Shaft Helical Gearbox Variable Speed Gear Reducer Worm Reducer     with Hot sellingChina Hot selling S Series China Factory Parallel Shaft Helical Gearbox Variable Speed Gear Reducer Worm Reducer     with Hot selling