China manufacturer Saf57 Flange Mounted Helical Worm Gearbox with Hollow Shaft with high quality

Item Description

Product Description

Item Attributes

Large modular design and style, biomimetic floor with owned mental residence right.
Adopt German worm hob to process the worm wheel.
With the special gear geometry, it gets high torque, performance and long daily life circle.
It can attain the immediate blend for 2 sets of gearbox.
Mounting manner: foot mounted, flange mounted, torque arm mounted.
Output shaft: sound shaft, hollow shaft.

Main used for
Chemical business and environmental defense
Metallic processing
Building and construction
Agriculture and foods
Textile and leather
Forest and paper
Car washing equipment

Detailed Photos


Item Parameters

Specialized information:


Our Advantages




Packaging & Delivery

Organization Profile

Xihu (West Lake) Transmission Tools Co., Ltd. situated HangZhou metropolis, ZHangZhoug, as 1 expert company and exporter of cycloidal pin wheel reducer,worm reducer, equipment reducer, gearbox , AC motor and relative spare parts, owns wealthy experience in this line for many several years.

We are 1 immediate manufacturing unit, with innovative creation gear, the powerful advancement crew and creating potential to supply quality products for consumers.

Our items widely served to various industries of Metallurgy, Chemical substances, lifting,mining,Petroleum,textile,drugs,picket and many others. Main marketplaces: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to question us any queries, excellent provide constantly for you for lengthy expression organization.


Q: Are you investing business or maker?
A: We are manufacturing unit.

Q: How extended is your shipping and delivery time?
A: Normally it is 5-10 times if the goods are in inventory. or it is fifteen-twenty days if the items are not in stock.

Q: Can we buy 1 personal computer of every product for quality screening?
A: Yes, we are happy to accept demo order for high quality screening.

Q:How to choose a gearbox which satisfies your requirement?
A:You can refer to our catalogue to decide on the gearbox or we can assist to select when you supply
the specialized data of necessary output torque, output speed and motor parameter etc.

Q: What data shall we give just before inserting a obtain get?
A:a) Sort of the gearbox, ratio, input and output type, input flange, mounting placement, and motor informationetc.
b) Housing coloration.
c) Obtain quantity.
d) Other special needs.

How to Pick a Worm Shaft and Equipment For Your Project

You will understand about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed details on these two parts will help you choose a ideal Worm Shaft. Go through on to learn a lot more….and get your hands on the most superior gearbox ever developed! Below are some ideas for selecting a Worm Shaft and Gear for your project!…and a number of items to preserve in head.
worm shaft

Gear 22

The tooth profile of Equipment 22 on Worm Shaft twenty differs from that of a traditional gear. This is due to the fact the enamel of Equipment 22 are concave, making it possible for for far better conversation with the threads of the worm shaft 20. The worm’s direct angle leads to the worm to self-lock, preventing reverse motion. Even so, this self-locking mechanism is not completely trustworthy. Worm gears are utilised in many industrial purposes, from elevators to fishing reels and automotive electrical power steering.
The new gear is put in on a shaft that is secured in an oil seal. To set up a new gear, you first need to have to eliminate the previous gear. Subsequent, you want to unscrew the two bolts that maintain the equipment on to the shaft. Subsequent, you need to get rid of the bearing carrier from the output shaft. Once the worm gear is eliminated, you require to unscrew the retaining ring. Right after that, put in the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not more than-tighten the plug.
To avert premature failures, use the right lubricant for the variety of worm gear. A higher viscosity oil is needed for the sliding motion of worm gears. In two-thirds of apps, lubricants were inadequate. If the worm is lightly loaded, a lower-viscosity oil may be adequate. In any other case, a higher-viscosity oil is needed to preserve the worm gears in excellent issue.
Another option is to differ the amount of tooth around the gear 22 to reduce the output shaft’s pace. This can be accomplished by location a distinct ratio (for instance, 5 or 10 occasions the motor’s speed) and modifying the worm’s dedendum accordingly. This procedure will minimize the output shaft’s velocity to the wanted amount. The worm’s dedendum need to be adapted to the wanted axial pitch.

Worm Shaft 20

When picking a worm equipment, consider the subsequent items to think about. These are high-performance, minimal-noise gears. They are tough, lower-temperature, and extended-lasting. Worm gears are broadly utilised in many industries and have many advantages. Outlined underneath are just some of their advantages. Read through on for more details. Worm gears can be hard to maintain, but with suitable routine maintenance, they can be quite reliable.
The worm shaft is configured to be supported in a body 24. The measurement of the body 24 is determined by the centre length among the worm shaft twenty and the output shaft 16. The worm shaft and equipment 22 might not appear in speak to or interfere with one an additional if they are not configured properly. For these causes, proper assembly is vital. Nonetheless, if the worm shaft twenty is not properly installed, the assembly will not operate.
Yet another crucial thought is the worm content. Some worm gears have brass wheels, which may lead to corrosion in the worm. In addition, sulfur-phosphorous EP equipment oil activates on the brass wheel. These components can lead to important reduction of load surface area. Worm gears must be put in with higher-good quality lubricant to avoid these problems. There is also a need to have to select a material that is large-viscosity and has low friction.
Speed reducers can include several various worm shafts, and every single velocity reducer will call for distinct ratios. In this scenario, the pace reducer manufacturer can supply different worm shafts with distinct thread styles. The distinct thread designs will correspond to different equipment ratios. No matter of the equipment ratio, every single worm shaft is manufactured from a blank with the wanted thread. It will not be difficult to find 1 that fits your needs.
worm shaft

Gear 22’s axial pitch PX

The axial pitch of a worm gear is calculated by making use of the nominal center distance and the Addendum Issue, a constant. The Center Distance is the length from the centre of the equipment to the worm wheel. The worm wheel pitch is also known as the worm pitch. Each the dimension and the pitch diameter are taken into thought when calculating the axial pitch PX for a Gear 22.
The axial pitch, or direct angle, of a worm equipment establishes how efficient it is. The increased the direct angle, the less efficient the gear. Lead angles are right associated to the worm gear’s load potential. In specific, the angle of the direct is proportional to the length of the stress spot on the worm wheel teeth. A worm gear’s load capability is right proportional to the quantity of root bending anxiety released by cantilever action. A worm with a guide angle of g is nearly equivalent to a helical gear with a helix angle of ninety deg.
In the existing creation, an improved approach of producing worm shafts is explained. The strategy entails figuring out the preferred axial pitch PX for each reduction ratio and body 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 equipment is a rotating assembly of parts that are manufactured up of teeth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be produced from different supplies. The content utilised for the gear’s worms is an important thought in its assortment. Worm gears are usually created of steel, which is much better and corrosion-resistant than other supplies. They also need lubrication and might have floor enamel to decrease friction. In addition, worm gears are frequently quieter than other gears.

Equipment 22’s tooth parameters

A research of Gear 22’s tooth parameters unveiled that the worm shaft’s deflection relies upon on a variety of factors. The parameters of the worm equipment had been different to account for the worm gear measurement, strain angle, and dimensions aspect. In addition, the quantity of worm threads was altered. These parameters are varied dependent on the ISO/TS 14521 reference gear. This research validates the developed numerical calculation product making use of experimental final results from Lutz and FEM calculations of worm equipment shafts.
Making use of the benefits from the Lutz examination, we can obtain the deflection of the worm shaft employing the calculation strategy of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulation offered in AGMA 6022 and DIN 3996 demonstrate a great correlation with test benefits. However, the calculation of the worm shaft employing the root diameter of the worm utilizes a various parameter to estimate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated by way of a finite element model (FEM). Employing a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be considered for a comprehensive gearbox program as stiffness of the worm toothing is regarded. And lastly, based on this study, a correction issue is produced.
For an excellent worm equipment, the quantity of thread begins is proportional to the dimension of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a system for the worm gear’s root inertia. The length amongst the primary axes and the worm shaft is decided by Equation 14.
worm shaft

Gear 22’s deflection

To research the influence of toothing parameters on the deflection of a worm shaft, we employed a finite aspect approach. The parameters regarded as are tooth top, strain angle, measurement element, and quantity of worm threads. Each of these parameters has a various affect on worm shaft bending. Table 1 exhibits the parameter variations for a reference equipment (Gear 22) and a different toothing model. The worm gear dimension and number of threads figure out the deflection of the worm shaft.
The calculation strategy of ISO/TS 14521 is dependent on the boundary situations of the Lutz check setup. This strategy calculates the deflection of the worm shaft using the finite factor method. The experimentally calculated shafts ended up compared to the simulation benefits. The take a look at outcomes and the correction issue have been compared to validate that the calculated deflection is similar to the measured deflection.
The FEM investigation signifies the influence of tooth parameters on worm shaft bending. Equipment 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth power to mass establishes the torque. The ratio in between the two parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm equipment has an effect on worm shaft bending capability, performance, and NVH. The steady advancement of electricity density has been reached by means of improvements in bronze components, lubricants, and manufacturing high quality.
The principal 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 present the axial profiles of every gear. In addition, the main axes of second of inertia are indicated by a white cross.

China manufacturer Saf57 Flange Mounted Helical Worm Gearbox with Hollow Shaft     with high qualityChina manufacturer Saf57 Flange Mounted Helical Worm Gearbox with Hollow Shaft     with high quality