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Test of gear bending fatigue limit based on up and down method The bending fatigue strength of gear is an important indicator for gear performance, it is a good approach to gain the bending strength in the light of the test procedure. The test of the single – tooth bending fatigue strength of 20CrMoH carburized gear is discussed. After a series of experiments, the result represents that it is more actual to determine the risk position with broken – line section method. It provides a new approach for evaluating the gear bending fatigue strength. Making full use of this theory, the gearbox can be improved in a certain level. With more than 20-year experience on gearbox and micro motor, Zhaowei has designed and produced tons of high-quality products. For more information: http://www.zwgearbox.com/LatestNews/Testofgearbendingfat_1.html

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An air purifier is a common household item used to purify the air in a closed environment. While people pay more attention to air quality, an air purifier is on the rise as a reliable solution to get rid of indoor pollutants. The drive module for the air purifier is consists of a motor and gearbox. With the advantage of small-size, low-noise, and low-heating, the brushless DC gearbox is ideal for air purifiers. Brushless DC Gear Motor for Air Purifier There are two choices of gear motors used in air purifiers: brushed DC gear motor, and brushless DC gear motor. Brushed motors use brushes to transmit electric current through the internal components. Although low in cost, the drawbacks include regular maintenance, potential overheating, and they can be quite noisy. A brushless DC gear motor replaces the brushes and commutator with a small circuit board that coordinates the energy delivery. The brushless DC motors continue to gain popularity in the smart home field because of their high e...
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What Do We Sell?

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If you are still confused about our products, this article will be helpful for you.   Firstly, let me introduce our company. Established in 2001, Shenzhen ZHAOWEI Machinery & Electronics Co., Ltd (hereinafter, ZHAOWEI) is an experienced company in research, design, manufacture, and assembly of the micro motor, gearbox, and other micro precision drive systems. Driven by the mission of “precise, micro, high torque”, we have been putting great stress on product performance.   Secondly, let me introduce our products. We have rich experience in producing micro gear motors. The gearbox can be equipped with a motor such as a stepper motor, brushless DC motor, brushed DC motor, coreless motor according to the customer’s requirements.   Standard Drive Systems We have many standard gear motors, including metal and plastic versions. It means that the material of the housing part is plastic or metal. Besides, we provide a variety of different gear types, such as spur gears, helic...
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Fault analysis of gear reducer

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The gear reducer is a power transmission mechanism that uses a gear speed converter to decelerate the number of revolutions of the motor to a desired number of revolutions and obtain a device with a large torque. The gear reducer is a relatively precise machine that is used to reduce the speed and increase the torque. To better understand your equipment, you should know where it is often faulty and how to repair it. The most common faults of gear reducers are tooth spalling, pitting, falling and broken teeth, especially at low speeds. Gears, falling blocks and broken teeth are the most frequent. According to the analysis, the position of the gear reducer of the gear reducer is generally asymmetrical, so that the gear shaft of the low speed large gear of the gear reducer is skewed, and the center line and the center line of the gear shaft of the two pinions meshing with it are not parallel, resulting in a low speed large gear. The gear teeth of the two pinions are reduced, most of ...
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