China Standard 12V 300W DC Worm Gear Motor with Free Design Custom

Item Description

12V 300W DC Worm Equipment Motor for Caravan:

voltage:12v or 24v


electrical power:300w

reduction ratio:134/one

final torque:36N.m

2.Production Movement


 In modern 10 years, CZPT has been devoted to the manufacture of the motor merchandise and the principal items can be categorized into the adhering to sequence, namely DC motor, DC gear motor, AC motor, AC gear motor, Stepper motor, Stepper equipment motor, Servo motor and Linear actuator sequence. 

Our motor products are extensively used in the fields of aerospace industry, automotive market, economic gear, family appliance, industrial automation and robotics, health-related products, place of work products, packing equipment and transmission sector, offering customers trustworthy personalized remedies for driving and controlling.


four.Our Companies

one). General Support:


two). Customization Provider:

Motor specification(no-load velocity , voltage, torque , diameter, noise, daily life, tests) and shaft size can be tailor-created in accordance to customer’s specifications.

5.Package deal & Shipping

6.Contact Information
Rachel Ye

HangZhou CZPT E&M Tech. Co., Ltd.

Worm Gear Motors

Worm gear motors are typically desired for quieter procedure simply because of the smooth sliding motion of the worm shaft. As opposed to equipment motors with enamel, which might click on as the worm turns, worm gear motors can be mounted in a tranquil area. In this article, we will speak about the CZPT whirling method and the numerous sorts of worms obtainable. We will also examine the advantages of worm equipment motors and worm wheel.
worm shaft

worm gear

In the case of a worm equipment, the axial pitch of the ring pinion of the corresponding revolving worm is equal to the round pitch of the mating revolving pinion of the worm gear. A worm with one commence is acknowledged as a worm with a lead. This sales opportunities to a more compact worm wheel. Worms can function in restricted spaces because of their small profile.
Normally, a worm equipment has large performance, but there are a handful of drawbacks. Worm gears are not advised for large-warmth applications due to the fact of their large level of rubbing. A full-fluid lubricant film and the low wear stage of the equipment reduce friction and put on. Worm gears also have a lower put on fee than a normal gear. The worm shaft and worm equipment is also much more productive than a common equipment.
The worm equipment shaft is cradled inside a self-aligning bearing block that is hooked up to the gearbox casing. The eccentric housing has radial bearings on each finishes, enabling it to engage with the worm gear wheel. The push is transferred to the worm equipment shaft through bevel gears 13A, 1 fixed at the finishes of the worm equipment shaft and the other in the centre of the cross-shaft.

worm wheel

In a worm gearbox, the pinion or worm equipment is centered between a geared cylinder and a worm shaft. The worm gear shaft is supported at either finish by a radial thrust bearing. A gearbox’s cross-shaft is fixed to a suited push implies and pivotally hooked up to the worm wheel. The enter generate is transferred to the worm equipment shaft 10 via bevel gears 13A, one of which is fixed to the stop of the worm equipment shaft and the other at the centre of the cross-shaft.
Worms and worm wheels are available in several components. The worm wheel is created of bronze alloy, aluminum, or steel. Aluminum bronze worm wheels are a great option for substantial-speed apps. Solid iron worm wheels are low-cost and suited for mild masses. MC nylon worm wheels are very use-resistant and machinable. Aluminum bronze worm wheels are accessible and are good for applications with significant use problems.
When designing a worm wheel, it is essential to determine the correct lubricant for the worm shaft and a corresponding worm wheel. A appropriate lubricant ought to have a kinematic viscosity of 300 mm2/s and be used for worm wheel sleeve bearings. The worm wheel and worm shaft need to be properly lubricated to make sure their longevity.

Multi-commence worms

A multi-begin worm gear screw jack brings together the benefits of a number of starts with linear output speeds. The multi-start off worm shaft reduces the consequences of solitary start worms and big ratio gears. The two types of worm gears have a reversible worm that can be reversed or stopped by hand, dependent on the software. The worm gear’s self-locking ability is dependent on the direct angle, force angle, and friction coefficient.
A single-start off worm has a single thread managing the length of its shaft. The worm advances a single tooth for each revolution. A multi-begin worm has a number of threads in each and every of its threads. The gear reduction on a multi-begin worm is equal to the variety of teeth on the gear minus the quantity of begins on the worm shaft. In general, a multi-start worm has two or three threads.
Worm gears can be quieter than other kinds of gears due to the fact the worm shaft glides relatively than clicking. This makes them an outstanding choice for applications where sounds is a worry. Worm gears can be manufactured of softer content, creating them more sound-tolerant. In addition, they can withstand shock loads. When compared to gears with toothed teeth, worm gears have a reduced sounds and vibration rate.
worm shaft

CZPT whirling procedure

The CZPT whirling process for worm shafts raises the bar for precision equipment machining in tiny to medium manufacturing volumes. The CZPT whirling process lowers thread rolling, will increase worm high quality, and provides reduced cycle times. The CZPT LWN-90 whirling equipment features a steel mattress, programmable drive tailstock, and five-axis interpolation for enhanced precision and high quality.
Its 4,000-rpm, 5-kW whirling spindle makes worms and various kinds of screws. Its outer diameters are up to 2.5 inches, although its duration is up to twenty inches. Its dry-cutting process makes use of a vortex tube to produce chilled compressed air to the reducing point. Oil is also included to the mixture. The worm shafts made are free of charge of undercuts, reducing the sum of machining needed.
Induction hardening is a approach that takes advantage of the whirling procedure. The induction hardening process makes use of alternating existing (AC) to trigger eddy currents in metallic objects. The higher the frequency, the higher the area temperature. The electrical frequency is monitored via sensors to prevent overheating. Induction heating is programmable so that only specific elements of the worm shaft will harden.

Common tangent at an arbitrary position on each surfaces of the worm wheel

A worm gear is made up of two helical segments with a helix angle equal to 90 degrees. This form allows the worm to rotate with more than a single tooth per rotation. A worm’s helix angle is typically shut to 90 levels and the body length is reasonably prolonged in the axial course. A worm gear with a lead angle g has related houses as a screw equipment with a helix angle of ninety levels.
The axial cross part of a worm equipment is not conventionally trapezoidal. As an alternative, the linear part of the indirect aspect is changed by cycloid curves. These curves have a widespread tangent near the pitch line. The worm wheel is then shaped by equipment reducing, ensuing in a equipment with two meshing surfaces. This worm equipment can rotate at higher speeds and nevertheless function quietly.
A worm wheel with a cycloid pitch is a a lot more efficient worm gear. It minimizes friction between the worm and the equipment, resulting in higher toughness, enhanced working efficiency, and diminished sound. This pitch line also will help the worm wheel interact more evenly and easily. Additionally, it stops interference with their physical appearance. It also helps make worm wheel and equipment engagement smoother.
worm shaft

Calculation of worm shaft deflection

There are several strategies for calculating worm shaft deflection, and each and every technique has its possess established of drawbacks. These generally employed methods provide excellent approximations but are inadequate for identifying the true worm shaft deflection. For illustration, these strategies do not account for the geometric modifications to the worm, these kinds of as its helical winding of teeth. Furthermore, they overestimate the stiffening effect of the gearing. Consequently, efficient skinny worm shaft patterns call for other methods.
Thankfully, several techniques exist to determine the maximum worm shaft deflection. These techniques use the finite factor approach, and consist of boundary situations and parameter calculations. Below, we appear at a few of approaches. The first approach, DIN 3996, calculates the greatest worm shaft deflection dependent on the take a look at results, although the second one, AGMA 6022, uses the root diameter of the worm as the equivalent bending diameter.
The second technique focuses on the basic parameters of worm gearing. We will get a closer appear at each and every. We’ll look at worm gearing tooth and the geometric aspects that influence them. Typically, the variety of worm gearing teeth is 1 to 4, but it can be as big as twelve. Choosing the enamel ought to depend on optimization requirements, including performance and fat. For illustration, if a worm gearing demands to be smaller sized than the prior model, then a small variety of teeth will suffice.

China Standard 12V 300W DC Worm Gear Motor     with Free Design CustomChina Standard 12V 300W DC Worm Gear Motor     with Free Design Custom