China Custom S Series Helical Worm Gear Speed Reducer Gearbox with Good quality

Solution Description

Item Description

Item Functions

Large modular layout, biomimetic floor with owned intellectual property correct.
Adopt German worm hob to approach the worm wheel.
With the particular gear geometry, it receives high torque, effectiveness and long life circle.
It can accomplish the immediate mixture for 2 sets of gearbox.
Mounting mode: foot mounted, flange mounted, torque arm mounted.
Output shaft: solid shaft, hollow shaft.

Primary used for
Chemical business and environmental protection
Metal processing
Constructing and building
Agriculture and foodstuff
Textile and leather-based
Forest and paper
Car washing machinery

Comprehensive Images


Product Parameters

Complex information:


Our Benefits




Packaging & Shipping

Organization Profile

Xihu (West Lake) Transmission Products Co., Ltd. located HangZhou town, ZHangZhoug, as 1 expert producer and exporter of cycloidal pin wheel reducer,worm reducer, equipment reducer, gearbox , AC motor and relative spare areas, owns wealthy expertise in this line for many a long time.

We are 1 direct factory, with advanced creation products, the strong improvement staff and creating capacity to offer high quality products for buyers.

Our goods extensively served to different industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medicine,wooden and many others. Main marketplaces: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to question us any questions, very good provide constantly for you for lengthy time period business.


Q: Are you buying and selling organization or manufacturer?
A: We are manufacturing facility.

Q: How prolonged is your shipping and delivery time?
A: Usually it is 5-ten times if the products are in stock. or it is fifteen-20 times if the goods are not in inventory.

Q: Can we get 1 laptop of each and every item for high quality tests?
A: Of course, we are happy to acknowledge trial order for high quality testing.

Q:How to select a gearbox which satisfies your necessity?
A:You can refer to our catalogue to choose the gearbox or we can support to choose when you give
the technological information of essential output torque, output speed and motor parameter and so forth.

Q: What information shall we give prior to positioning a obtain buy?
A:a) Variety of the gearbox, ratio, input and output variety, input flange, mounting placement, and motor informationetc.
b) Housing coloration.
c) Obtain quantity.
d) Other unique specifications.

Worm Shafts and Gearboxes

If you have a gearbox, you may be pondering what the best Worm Shaft is for your application. There are many factors to consider, such as the Concave condition, Variety of threads, and Lubrication. This write-up will make clear every factor and assist you pick the proper Worm Shaft for your gearbox. There are numerous choices available on the market place, so do not be reluctant to store around. If you are new to the globe of gearboxes, go through on to learn more about this well-liked type of gearbox.
worm shaft

Concave condition

The geometry of a worm equipment may differ significantly relying on its company and its supposed use. Early worms had a fundamental profile that resembled a screw thread and could be chased on a lathe. Later on, tools with a straight sided g-angle ended up developed to generate threads that ended up parallel to the worm’s axis. Grinding was also produced to boost the complete of worm threads and minimize distortions that arise with hardening.
To select a worm with the suitable geometry, the diameter of the worm equipment must be in the exact same device as the worm’s shaft. Once the fundamental profile of the worm gear is identified, the worm gear tooth can be specified. The calculation also involves an angle for the worm shaft to prevent it from overheating. The angle of the worm shaft must be as near to the vertical axis as feasible.
Double-enveloping worm gears, on the other hand, do not have a throat around the worm. They are helical gears with a straight worm shaft. Given that the enamel of the worm are in get in touch with with every single other, they make important friction. Not like double-enveloping worm gears, non-throated worm gears are a lot more compact and can take care of smaller sized loads. They are also easy to manufacture.
The worm gears of diverse manufacturers offer several rewards. For occasion, worm gears are 1 of the most successful ways to increase torque, whilst reduce-top quality components like bronze are hard to lubricate. Worm gears also have a minimal failure fee since they permit for considerable leeway in the design and style approach. Even with the distinctions in between the two requirements, the total efficiency of a worm gear technique is the exact same.
The cone-formed worm is yet another type. This is a technological plan that brings together a straight worm shaft with a concave arc. The concave arc is also a beneficial utility model. Worms with this condition have far more than 3 contacts at the very same time, which signifies they can lessen a large diameter without abnormal use. It is also a reasonably minimal-value design.
worm shaft

Thread sample

A great worm equipment demands a best thread sample. There are a handful of important parameters that decide how excellent a thread pattern is. First of all, the threading sample must be ACME-threaded. If this is not feasible, the thread should be made with straight sides. Then, the linear pitch of the “worm” have to be the same as the round pitch of the corresponding worm wheel. In basic conditions, this means the pitch of the “worm” is the same as the circular pitch of the worm wheel. A fast-change gearbox is usually employed with this variety of worm equipment. Alternatively, guide-screw alter gears are employed rather of a rapid-alter equipment box. The pitch of a worm equipment equals the helix angle of a screw.
A worm gear’s axial pitch must match the round pitch of a gear with a larger axial pitch. The round pitch is the distance in between the details of teeth on the worm, even though the axial pitch is the length between the worm’s tooth. An additional factor is the worm’s lead angle. The angle between the pitch cylinder and worm shaft is referred to as its direct angle, and the greater the guide angle, the greater the effectiveness of a gear.
Worm gear tooth geometry may differ dependent on the maker and meant use. In early worms, threading resembled the thread on a screw, and was very easily chased making use of a lathe. Afterwards, grinding enhanced worm thread finishes and minimized distortions from hardening. As a end result, nowadays, most worm gears have a thread pattern corresponding to their measurement. When picking a worm gear, make confident to check out for the variety of threads just before purchasing it.
A worm gear’s threading is crucial in its operation. Worm enamel are typically cylindrical, and are organized in a pattern related to screw or nut threads. Worm enamel are usually shaped on an axis of perpendicular when compared to their parallel counterparts. Due to the fact of this, they have increased torque than their spur equipment counterparts. Moreover, the gearing has a low output speed and high torque.

Number of threads

Diverse types of worm gears use different numbers of threads on their planetary gears. A solitary threaded worm equipment should not be employed with a double-threaded worm. A one-threaded worm equipment must be utilised with a solitary-threaded worm. Solitary-threaded worms are much more powerful for speed reduction than double-threaded kinds.
The number of threads on a worm’s shaft is a ratio that compares the pitch diameter and variety of enamel. In general, worms have 1,2,4 threads, but some have a few, 5, or six. Counting thread commences can support you figure out the quantity of threads on a worm. A one-threaded worm has less threads than a several-threaded worm, but a multi-threaded worm will have a lot more threads than a mono-threaded planetary equipment.
To evaluate the number of threads on a worm shaft, a small fixture with two floor faces is utilised. The worm should be eliminated from its housing so that the concluded thread region can be inspected. Following pinpointing the variety of threads, easy measurements of the worm’s outside diameter and thread depth are taken. Once the worm has been accounted for, a solid of the tooth space is made using epoxy content. The casting is moulded among the two tooth flanks. The V-block fixture rests in opposition to the outside diameter of the worm.
The circular pitch of a worm and its axial pitch should match the round pitch of a larger equipment. The axial pitch of a worm is the distance among the details of the tooth on a worm’s pitch diameter. The lead of a thread is the distance a thread travels in one revolution. The direct angle is the tangent to the helix of a thread on a cylinder.
The worm gear’s velocity transmission ratio is based on the number of threads. A worm equipment with a high ratio can be easily lowered in 1 phase by employing a established of worm gears. Nevertheless, a multi-thread worm will have far more than two threads. The worm gear is also much more productive than one-threaded gears. And a worm gear with a large ratio will allow the motor to be utilized in a variety of purposes.
worm shaft


The lubrication of a worm gear is particularly challenging, thanks to its friction and substantial sliding get in touch with pressure. The good news is, there are numerous possibilities for lubricants, these kinds of as compounded oils. Compounded oils are mineral-dependent lubricants formulated with 10 percent or more fatty acid, rust and oxidation inhibitors, and other additives. This combination outcomes in improved lubricity, decreased friction, and decrease sliding put on.
When choosing a lubricant for a worm shaft, make confident the product’s viscosity is right for the kind of gearing used. A reduced viscosity will make the gearbox challenging to actuate and rotate. Worm gears also go through a greater sliding movement than rolling motion, so grease have to be able to migrate evenly through the gearbox. Repeated sliding motions will drive the grease away from the speak to zone.
Another thing to consider is the backlash of the gears. Worm gears have high gear ratios, occasionally three hundred:1. This is critical for energy programs, but is at the same time inefficient. Worm gears can make heat during the sliding motion, so a higher-good quality lubricant is crucial. This variety of lubricant will lessen warmth and make sure best overall performance. The adhering to tips will support you select the appropriate lubricant for your worm equipment.
In reduced-velocity programs, a grease lubricant might be enough. In increased-velocity programs, it’s best to implement a artificial lubricant to prevent untimely failure and tooth use. In the two cases, lubricant option relies upon on the tangential and rotational pace. It is crucial to follow manufacturer’s suggestions regarding the option of lubricant. But bear in mind that lubricant choice is not an straightforward task.

China Custom S Series Helical Worm Gear Speed Reducer Gearbox     with Good qualityChina Custom S Series Helical Worm Gear Speed Reducer Gearbox     with Good quality