China manufacturer 12V High Torque 300W DC Worm Gear Motor with Hot selling

Solution Description

12V 300W DC Worm Equipment Motor for Caravan:

voltage:12v or 24v


electrical power:300w

reduction ratio:134/1

final torque:36N.m

two.Generation Movement

3.Organization Information

 In latest 10 many years, CZPT has been devoted to the manufacture of the motor products and the main merchandise can be classified into the adhering to sequence, specifically DC motor, DC equipment motor, AC motor, AC equipment motor, Stepper motor, Stepper gear motor, Servo motor and Linear actuator series. 

Our motor merchandise are extensively applied in the fields of aerospace market, automotive business, economic equipment, family equipment, industrial automation and robotics, health-related tools, place of work products, packing equipment and transmission sector, providing customers dependable customized options for driving and managing.


4.Our Companies

one). Standard Provider:


2). Customization Provider:

Motor specification(no-load speed , voltage, torque , diameter, noise, life, tests) and shaft duration can be tailor-made according to customer’s specifications.

5.Bundle & Shipping

Worm Shafts and Gearboxes

If you have a gearbox, you may possibly be questioning what the very best Worm Shaft is for your application. There are numerous things to think about, which includes the Concave shape, Quantity of threads, and Lubrication. This write-up will make clear each element and help you select the correct Worm Shaft for your gearbox. There are a lot of possibilities obtainable on the market, so do not wait to store around. If you are new to the entire world of gearboxes, read on to find out a lot more about this common type of gearbox.
worm shaft

Concave condition

The geometry of a worm gear varies substantially based on its manufacturer and its meant use. Early worms experienced a standard profile that resembled a screw thread and could be chased on a lathe. Afterwards, tools with a straight sided g-angle had been created to make threads that ended up parallel to the worm’s axis. Grinding was also produced to improve the finish of worm threads and minimize distortions that arise with hardening.
To pick a worm with the suitable geometry, the diameter of the worm gear need to be in the exact same unit as the worm’s shaft. When the standard profile of the worm gear is identified, the worm equipment teeth can be specified. The calculation also entails an angle for the worm shaft to prevent it from overheating. The angle of the worm shaft ought to be as close to the vertical axis as feasible.
Double-enveloping worm gears, on the other hand, do not have a throat about the worm. They are helical gears with a straight worm shaft. Since the enamel of the worm are in make contact with with each and every other, they make important friction. As opposed to double-enveloping worm gears, non-throated worm gears are far more compact and can take care of smaller sized hundreds. They are also easy to manufacture.
The worm gears of different manufacturers offer a lot of rewards. For occasion, worm gears are a single of the most successful approaches to enhance torque, whilst decrease-good quality supplies like bronze are difficult to lubricate. Worm gears also have a low failure price simply because they enable for substantial leeway in the layout approach. Regardless of the differences between the two specifications, the all round overall performance of a worm equipment system is the same.
The cone-shaped worm is an additional kind. This is a technological scheme that combines a straight worm shaft with a concave arc. The concave arc is also a helpful utility model. Worms with this condition have much more than a few contacts at the same time, which means they can minimize a large diameter without abnormal put on. It is also a comparatively low-cost model.
worm shaft

Thread sample

A excellent worm gear requires a ideal thread pattern. There are a couple of essential parameters that determine how very good a thread pattern is. Firstly, the threading sample should be ACME-threaded. If this is not possible, the thread must be created with straight sides. Then, the linear pitch of the “worm” need to be the exact same as the circular pitch of the corresponding worm wheel. In basic conditions, this indicates the pitch of the “worm” is the identical as the circular pitch of the worm wheel. A fast-change gearbox is normally used with this kind of worm equipment. Alternatively, lead-screw alter gears are employed instead of a fast-change gear box. The pitch of a worm equipment equals the helix angle of a screw.
A worm gear’s axial pitch should match the round pitch of a gear with a increased axial pitch. The circular pitch is the length between the points of tooth on the worm, even though the axial pitch is the distance among the worm’s tooth. One more factor is the worm’s direct angle. The angle between the pitch cylinder and worm shaft is named its direct angle, and the larger the direct angle, the higher the efficiency of a gear.
Worm equipment tooth geometry may differ relying on the company and intended use. In early worms, threading resembled the thread on a screw, and was simply chased utilizing a lathe. Later, grinding enhanced worm thread finishes and minimized distortions from hardening. As a result, these days, most worm gears have a thread pattern corresponding to their size. When choosing a worm equipment, make certain to check for the variety of threads before getting it.
A worm gear’s threading is essential in its operation. Worm tooth are typically cylindrical, and are arranged in a sample related to screw or nut threads. Worm teeth are frequently shaped on an axis of perpendicular compared to their parallel counterparts. Because of this, they have higher torque than their spur gear counterparts. In addition, the gearing has a reduced output speed and higher torque.

Variety of threads

Diverse varieties of worm gears use distinct numbers of threads on their planetary gears. A one threaded worm equipment need to not be utilised with a double-threaded worm. A one-threaded worm equipment ought to be employed with a one-threaded worm. Single-threaded worms are a lot more efficient for velocity reduction than double-threaded kinds.
The variety of threads on a worm’s shaft is a ratio that compares the pitch diameter and number of teeth. In standard, worms have 1,2,4 threads, but some have three, five, or 6. Counting thread commences can support you figure out the quantity of threads on a worm. A solitary-threaded worm has less threads than a numerous-threaded worm, but a multi-threaded worm will have more threads than a mono-threaded planetary equipment.
To evaluate the amount of threads on a worm shaft, a little fixture with two ground faces is utilised. The worm must be taken off from its housing so that the completed thread spot can be inspected. Following determining the amount of threads, simple measurements of the worm’s outside the house diameter and thread depth are taken. Once the worm has been accounted for, a solid of the tooth area is produced making use of epoxy materials. The casting is moulded in between the two tooth flanks. The V-block fixture rests against the outdoors diameter of the worm.
The circular pitch of a worm and its axial pitch need to match the round pitch of a bigger gear. The axial pitch of a worm is the length between the points of the enamel on a worm’s pitch diameter. The lead of a thread is the length a thread travels in one particular revolution. The guide angle is the tangent to the helix of a thread on a cylinder.
The worm gear’s pace transmission ratio is dependent on the variety of threads. A worm equipment with a substantial ratio can be very easily reduced in 1 action by making use of a set of worm gears. However, a multi-thread worm will have far more than two threads. The worm gear is also more productive than solitary-threaded gears. And a worm equipment with a high ratio will let the motor to be utilized in a selection of programs.
worm shaft


The lubrication of a worm equipment is specifically tough, due to its friction and high sliding get in touch with power. The good news is, there are numerous options for lubricants, such as compounded oils. Compounded oils are mineral-based mostly lubricants formulated with 10 per cent or far more fatty acid, rust and oxidation inhibitors, and other additives. This blend benefits in improved lubricity, diminished friction, and decrease sliding dress in.
When picking a lubricant for a worm shaft, make certain the product’s viscosity is proper for the variety of gearing employed. A lower viscosity will make the gearbox challenging to actuate and rotate. Worm gears also bear a better sliding movement than rolling motion, so grease must be ready to migrate evenly throughout the gearbox. Repeated sliding motions will push the grease absent from the speak to zone.
Yet another thing to consider is the backlash of the gears. Worm gears have large gear ratios, sometimes three hundred:1. This is essential for electrical power applications, but is at the same time inefficient. Worm gears can generate heat in the course of the sliding movement, so a higher-quality lubricant is vital. This variety of lubricant will minimize heat and ensure best functionality. The following tips will help you select the proper lubricant for your worm gear.
In lower-velocity applications, a grease lubricant might be enough. In greater-pace programs, it’s best to implement a synthetic lubricant to stop untimely failure and tooth use. In each cases, lubricant decision depends on the tangential and rotational pace. It is essential to comply with manufacturer’s suggestions with regards to the decision of lubricant. But bear in mind that lubricant option is not an easy task.

China manufacturer 12V High Torque 300W DC Worm Gear Motor     with Hot sellingChina manufacturer 12V High Torque 300W DC Worm Gear Motor     with Hot selling