The difference between hard tooth surface and soft tooth surface of gear reducers
Gear reducers are generally used in transmission equipment with low speed and high torque. The ordinary reducer of an electric motor can also achieve the ideal reduction effect with several pairs of gears of the same principle. Gear reducers also have the distinction between hard tooth surfaces and soft tooth surfaces. Let's take a look together.
Release time:
2021-12-13 10:31
www.gdmotor.cn
The gear reducer is generally used for transmission equipment with low speed and high torque. The ordinary reducer of the motor can also achieve the ideal reduction effect with several pairs of gears of the same principle. The ratio of the number of teeth of the large and small gears is the transmission ratio.
The gear reducer is generally used for transmission equipment with low speed and high torque. The ordinary reducer of the motor can also achieve the ideal reduction effect with several pairs of gears of the same principle. The ratio of the number of teeth of the large and small gears is the transmission ratio. With the continuous development of the reducer industry, more and more enterprises are using reducers. However, there is a distinction between hard tooth surface and soft tooth surface in gear reducers.
Soft tooth surface reducers have a very wide range of Applications. Gears that have not undergone hardness processing or products whose precision does not meet the requirements of hard tooth surfaces are widely used in equipment with relatively small power, such as conveyors. In the process of gear transmission design, especially in closed transmission, if the hardness of the gears is not fully considered during the design, it will have a significant impact on the performance of the transmission system. Common gear failures, such as pitting on the tooth surface and fatigue fracture at the tooth root, are related to gear hardness and gear quality. Gears in gear reducers are divided into soft tooth surface and hard tooth surface based on tooth surface meshing, which is reflected in their applications.
1. Soft tooth surface gear transmission (tooth surface hardness ≤350 HBS): at least one of the gears in a pair is a soft tooth surface, commonly used in general medium and low-speed gear transmissions with not too high precision requirements.
2. Hard tooth surface gear transmission (tooth surface hardness >350 HBS): both gears are hard tooth surfaces. Commonly used in gear transmissions with strong load capacity and small size.
In specific equipment, such as winches, soft tooth surfaces are generally used, while most elevators currently use hard tooth surfaces. The following points are usually considered during the design.
1. In closed soft tooth surface gear transmission under general working conditions. Soft tooth surface (≤350 HBS) steel gear transmission: designed primarily based on tooth surface contact strength, and checked according to tooth surface contact fatigue strength; then checked according to tooth root bending fatigue strength.
2. For closed hard tooth surface gear transmission. Hard tooth surface (>350 HBS) steel gear and cast iron gear transmission: designed primarily based on tooth root bending strength, and checked according to tooth root bending fatigue strength; then checked according to tooth surface contact fatigue strength.
3. For open gear transmission. The main failure modes are tooth surface wear and tooth breakage caused by wear. The design criterion is: design calculations are only based on tooth root bending fatigue strength, determine the modulus, and increase the designed modulus by 10%-20% to account for the effects of wear.
Related News
What is the difference between brushless reduction motors and brushed reduction motors?
Brushless DC Motor (BLDC) and Brushed DC Motor have some significant differences in structure, working principle, performance, and other aspects. Here are their main differences:
How to assess the noise level and vibration characteristics of a screw-type window opener motor?
When selecting a screw-type window opener motor, its noise level and vibration characteristics are two crucial factors that directly affect the user experience and the stability of the equipment. So, how should we evaluate these two aspects?
In the field of construction, screw-type window openers are important devices for achieving automated window opening and closing, and their performance and stability are crucial. Especially in some harsh environmental conditions, such as high humidity and dusty places, the protection level of the motor becomes a key factor in ensuring the normal operation of the window opener.
What are the common faults of screw-type window opener motors?
The screw-type window opener motor may experience some common faults during long-term use. Below are some typical fault phenomena and their possible causes.
Introduction to Micro DC Gear Motors
Introduction to Micro DC Gear Motors Micro DC gear motors are a miniaturized motor system, typically consisting of a DC motor and a gearbox. Here are some related introductions to micro DC gear motors: DC Motor Section: Working Principle: The DC motor generates current by moving a conductive coil in a magnetic field, thus producing electromagnetic force to drive the motor's rotation. Structure: Micro DC motors usually adopt a separate structure, including an armature (rotating part) and an electromagnet (stator part). Types: Common types of DC motors include brushed DC motors and brushless DC motors. Brushed DC motors use brushes to connect to the armature, while brushless DC motors control current through an electronic speed controller, eliminating the need for brushes. Gearbox Section: Function: The gearbox is used to slow down the motor's output speed while increasing torque. This is crucial for applications requiring higher torque and lower speeds, such as robotic arms and camera gimbals. Structure: Gearboxes typically consist of gears that achieve the reduction ratio through different gear combinations. The reduction ratio is the ratio of input speed to output speed. Types: Common types of gearboxes include planetary gears, worm gears, and helical gears. Different types of gearboxes are suitable for different application scenarios. Applications: Micro DC gear motors are widely used in various fields, including consumer electronics (such as cameras and printers), medical devices, robotics, and automotive electronics. In these applications, micro DC gear motors are typically used to control precise movements, provide sufficient torque, and achieve efficient performance in limited spaces. Control and Drive: Micro DC gear motors usually require corresponding electronic speed controllers or controllers to precisely control rotation speed and direction. The control system can adjust the motor's output according to application needs, achieving precise position control and speed regulation. Performance Parameters: The performance parameters of micro DC gear motors include rated voltage, rated speed, rated torque, efficiency, etc. These parameters are crucial for selecting and designing motor systems. In summary, micro DC gear motors have been widely applied under the trends of miniaturization, precision, and efficiency, providing reliable driving force for many electric devices and systems.
Contact Information
Service Hotline:+86 0769-3901 7383
Mobile Phone: +86 180 0260 1103
Email: sunweihong@silentgear.cn
Factory Address: No. 15, Century Road, Baihao Industrial Zone, Houjie Town, Dongguan City, Guangdong Province
Quick Navigation
Online message
Contact Us
COPYRIGHT 2024 Dongguan Silent Industrial Co., Ltd.