China Standard S Series Helical Worm Geared Reducer for Lifting Machine with Best Sales

Merchandise Description


Solution Description

Item Features

Substantial modular design, biomimetic surface area with owned mental house proper.
Undertake German worm hob to procedure the worm wheel.
With the specific equipment geometry, it receives high torque, performance and long daily life circle.
It can obtain the immediate mix for 2 sets of gearbox.
Mounting manner: foot mounted, flange mounted, torque arm mounted.
Output shaft: reliable shaft, hollow shaft.

Primary applied for
Chemical market and environmental defense
Metal processing
Building and development
Agriculture and foodstuff
Textile and leather
Forest and paper
Vehicle washing equipment

Thorough Photos


Solution Parameters

Technological knowledge:


Our Benefits




Packaging & Shipping

Organization Profile

Xihu (West Lake) Transmission Tools Co., Ltd. situated HangZhou town, ZHangZhoug, as 1 expert manufacturer and exporter of cycloidal pin wheel reducer,worm reducer, equipment reducer, gearbox , AC motor and relative spare elements, owns prosperous knowledge in this line for several several years.

We are 1 immediate factory, with advanced creation gear, the strong growth crew and producing capability to provide top quality products for consumers.

Our merchandise widely served to a variety of industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medication,wooden etc. Principal markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to inquire us any queries, great supply always for you for prolonged term company.


Q: Are you investing firm or producer?
A: We are manufacturing unit.

Q: How lengthy is your delivery time?
A: Normally it is 5-10 days if the merchandise are in stock. or it is 15-20 days if the products are not in inventory.

Q: Can we acquire 1 laptop of every single merchandise for good quality screening?
A: Indeed, we are glad to accept trial get for top quality tests.

Q:How to pick a gearbox which satisfies your requirement?
A:You can refer to our catalogue to decide on the gearbox or we can help to pick when you offer
the complex details of essential output torque, output speed and motor parameter etc.

Q: What info shall we give ahead of inserting a purchase purchase?
A:a) Sort of the gearbox, ratio, enter and output kind, input flange, mounting place, and motor informationetc.
b) Housing color.
c) Obtain amount.
d) Other special demands.

How to Choose the Proper Worm Shaft

You might be curious to know how to select the appropriate Worm Shaft. In this write-up, you will understand about worm modules with the exact same pitch diameter, Double-thread worm gears, and Self-locking worm push. When you have chosen the suitable Worm Shaft, you will discover it easier to use the equipment in your residence. There are many benefits to picking the correct Worm Shaft. Read on to learn far more.
worm shaft

Concave shape

The concave condition of a worm’s shaft is an important attribute for the design of a worm gearing. Worm gearings can be identified in a extensive assortment of designs, and the simple profile parameters are offered in specialist and agency literature. These parameters are employed in geometry calculations, and a assortment of the right worm gearing for a distinct application can be primarily based on these needs.
The thread profile of a worm is described by the tangent to the axis of its principal cylinder. The enamel are shaped in a straight line with a a bit concave shape together the sides. It resembles a helical equipment, and the profile of the worm itself is straight. This variety of gearing is usually used when the variety of teeth is greater than a specific restrict.
The geometry of a worm equipment is dependent on the kind and manufacturer. In the earliest times, worms have been manufactured similar to easy screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided equipment to make threads in the acme plane. Later, grinding tactics improved the thread end and decreased distortions ensuing from hardening.
When a worm gearing has several teeth, the pitch angle is a key parameter. A greater pitch angle will increase performance. If you want to boost the pitch angle with out escalating the amount of enamel, you can exchange a worm pair with a different quantity of thread begins. The helix angle need to improve although the centre distance continues to be continual. A increased pitch angle, even so, is practically in no way utilised for power transmissions.
The minimum variety of equipment enamel depends on the angle of stress at zero gearing correction. The diameter of the worm is d1, and is primarily based on a acknowledged module value, mx or mn. Generally, bigger values of m are assigned to larger modules. And a smaller amount of enamel is named a reduced pitch angle. In scenario of a lower pitch angle, spiral gearing is utilised. The pitch angle of the worm equipment is smaller than ten levels.
worm shaft

Numerous-thread worms

Multi-thread worms can be divided into sets of 1, two, or four threads. The ratio is determined by the variety of threads on every single established and the amount of enamel on the equipment. The most frequent worm thread counts are 1,2,4, and 6. To locate out how many threads you have, count the commence and stop of every single thread and divide by two. Employing this strategy, you will get the proper thread rely each time.
The tangent airplane of a worm’s pitch profile adjustments as the worm moves lengthwise together the thread. The guide angle is biggest at the throat, and decreases on each sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the regarded as stage. Hence, the worm qualified prospects angle, r, is improved with reduced inclination and decreases with growing inclination.
Multi-thread worms are characterised by a constant leverage between the gear area and the worm threads. The ratio of worm-tooth surfaces to the worm’s duration may differ, which allows the wormgear to be altered in the identical path. To improve the equipment speak to in between the worm and equipment, the tangent connection amongst the two surfaces is best.
The effectiveness of worm equipment drives is mostly dependent on the helix angle of the worm. Numerous thread worms can improve the efficiency of the worm gear push by as a lot as 25 to 50% in comparison to single-thread worms. Worm gears are made of bronze, which decreases friction and warmth on the worm’s tooth. A specialised equipment can minimize the worm gears for maximum efficiency.

Double-thread worm gears

In a lot of diverse purposes, worm gears are utilised to push a worm wheel. These gears are exclusive in that the worm are not able to be reversed by the electricity applied to the worm wheel. Simply because of their self-locking houses, they can be utilized to prevent reversing movement, despite the fact that this is not a dependable perform. Applications for worm gears consist of hoisting tools, elevators, chain blocks, fishing reels, and automotive electrical power steering. Since of their compact size, these gears are usually utilized in applications with restricted area.
Worm sets typically exhibit much more wear than other sorts of gears, and this means that they call for more restricted make contact with designs in new areas. Worm wheel enamel are concave, making it difficult to measure tooth thickness with pins, balls, and equipment tooth calipers. To evaluate tooth thickness, nonetheless, you can measure backlash, a measurement of the spacing among enamel in a gear. Backlash can vary from one worm equipment to one more, so it is crucial to verify the backlash at numerous points. If the backlash is diverse in two spots, this signifies that the teeth may have various spacing.
One-thread worm gears provide high velocity reduction but reduced efficiency. A multi-thread worm gear can offer large efficiency and large speed, but this will come with a trade-off in phrases of horsepower. Nonetheless, there are several other applications for worm gears. In addition to large-responsibility apps, they are usually utilized in light-obligation gearboxes for a range of features. When utilized in conjunction with double-thread worms, they permit for a substantial pace reduction in a single phase.
Stainless-metal worm gears can be utilised in damp environments. The worm equipment is not susceptible to rust and is best for damp and moist environments. The worm wheel’s sleek surfaces make cleansing them straightforward. Even so, they do call for lubricants. The most typical lubricant for worm gears is mineral oil. This lubricant is developed to defend the worm push.
worm shaft

Self-locking worm drive

A self-locking worm generate prevents the system from shifting backward when the motor stops. A dynamic self-locking worm travel is also possible but does not incorporate a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but could rattle if unveiled. In addition, it might demand an extra brake to hold the platform from transferring. A constructive brake might be necessary for safety.
A self-locking worm travel does not let for the interchangeability of the driven and driving gears. This is in contrast to spur gear trains that allow the two to interchange positions. In a self-locking worm generate, the driving equipment is often engaged and the driven gear stays stationary. The drive mechanism locks immediately when the worm is operated in the wrong method. Many resources of details on self-locking worm gears incorporate the Machinery’s Handbook.
A self-locking worm travel is not difficult to develop and has a excellent mechanical edge. In reality, the output of a self-locking worm generate cannot be backdriven by the enter shaft. DIYers can create a self-locking worm drive by modifying threaded rods and off-the-shelf gears. Nevertheless, it is easier to make a ratchet and pawl mechanism, and is considerably significantly less expensive. Nonetheless, it is crucial to comprehend that you can only drive one worm at a time.
Another gain of a self-locking worm push is the truth that it is not possible to interchange the input and output shafts. This is a key advantage of using this sort of a mechanism, as you can achieve large equipment reduction without having rising the measurement of the gear box. If you might be considering about getting a self-locking worm equipment for a distinct software, contemplate the subsequent ideas to make the correct option.
An enveloping worm gear established is very best for programs requiring high precision and effectiveness, and minimal backlash. Its enamel are shaped in different ways, and the worm’s threads are modified to enhance surface area get in touch with. They are more high-priced to manufacture than their one-start off counterparts, but this sort is greatest for programs where precision is crucial. The worm push is also a fantastic choice for weighty trucks because of their huge size and higher-torque ability.

China Standard S Series Helical Worm Geared Reducer for Lifting Machine     with Best SalesChina Standard S Series Helical Worm Geared Reducer for Lifting Machine     with Best Sales