Mercury Motion Ltd specializes in high end micro motors since 2009.Our main products:3v coreless motor dc,coreless motor winding,2x motor coreless 6x14mm,coreless motor specifications,10x20mm coreless motor,coreless motor flight controller,6x15mm coreless motor,7x20mm coreless motor.We have a R & D team with 20 years of experience in motor development, providing customers with design and development custom services. By leveraging our honesty, dependability and quality, Mercury Motion aims to continue as a pioneer in the sales overseas by seeking global partners.

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FAQs Guide

1.What are the differences between helical, spur, and planetary gear motors?
2.Can gear motors be used in high-speed applications?
3.How do you calculate the gear ratio for a gear motor?

1.What are the differences between helical, spur, and planetary gear motors?

We are committed to providing personalized solutions and established long -term strategic cooperative relationships with customers. Helical, spur, and planetary gear motors are all types of gear motors used for power transmission and motion control. They differ in their design, construction, and application.

1. Helical Gear Motors:
- Helical gear motors have helical gears that are cut at an angle to the axis of rotation.
- The teeth of the gears are curved, which allows for smoother and quieter operation compared to other types of gear motors.
- They have a higher load-carrying capacity and can transmit more torque than spur gear motors.
- Helical gear motors are commonly used in heavy-duty applications such as industrial machinery, construction equipment, and vehicles.

2. Spur Gear Motors:

- Spur gear motors have straight-cut gears that are mounted on parallel shafts.
- The teeth of the gears are straight and mesh directly with each other, resulting in a simple and efficient design.
- They are compact, lightweight, and cost-effective, making them suitable for a wide range of applications.
- However, they are not as efficient as helical gear motors and produce more noise and vibration.

3. Planetary Gear Motors:
- Planetary gear motors have a central gear (sun gear) that meshes with multiple smaller gears (planet gears) arranged around it.
- The planet gears rotate on their own axes and also revolve around the sun gear, resulting in a compact and efficient design.
- They have a high gear ratio and can transmit a large amount of torque in a small package.
- Planetary gear motors are commonly used in precision applications such as robotics, medical equipment, and aerospace.

In summary, the main differences between helical, spur, and planetary gear motors are their gear design, load-carrying capacity, efficiency, and application. Helical gear motors are best suited for heavy-duty applications, spur gear motors are suitable for general-purpose use, and planetary gear motors are ideal for precision applications.

2.Can gear motors be used in high-speed applications?

We are a new 4mm diameter coreless motor manufacturer.
Yes, gear motors can be used in high-speed applications. However, the speed of the motor will depend on the gear ratio and the motor's maximum speed. It is important to select a gear motor with a suitable gear ratio and maximum speed for the specific high-speed application. Additionally, the motor should be properly lubricated and maintained to ensure optimal performance at high speeds.

3.How do you calculate the gear ratio for a gear motor?

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The gear ratio for a gear motor can be calculated by dividing the number of teeth on the driven gear (the gear attached to the output shaft) by the number of teeth on the driving gear (the gear attached to the motor shaft). This can be expressed as a ratio, such as 2:1 or 3:1, or as a decimal, such as 0.5 or 0.33.

For example, if the driven gear has 20 teeth and the driving gear has 10 teeth, the gear ratio would be 20/10 = 2:1 or 20 ÷ 10 = 2. This means that for every one revolution of the motor shaft, the output shaft will make two revolutions.

It is important to note that the gear ratio only takes into account the number of teeth on the gears and does not consider the size or diameter of the gears. The size of the gears can also affect the overall speed and torque of the gear motor.

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