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electric driving control system schematic diagram




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What are the causes of overheating of servo motor bearings?

What are the causes of overheating of servo motor bearings? Motor causes: (1) the inner and outer rings of the bearing with too tight. (2) parts of the shape and position tolerance problems, such as shaft, end cover, frame and other parts of the coaxiality. (3) bearings do not fit the motor. (4) bearing lubrication or cleaning is not clean, grease contains sundries. (5) axis current effect. Reasons for use: (1) unit installation problems, such as  coaxiality of   motor shaft and  shaft of driving device does not reach the standard. (2)  pulley is pulled too tight . (3) improper maintenance of bearings, grease or not regular replacement, deterioration or dry
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Traction motor for electric vehicle： induction motor, permanent magnet motor, who is the future direction?

In the era of fuel cars, we often hear the battle between natural inspirations and turbocharged engines. And in the era of electric cars, there is also a clear debate between electric motors. After the test of the market, there are two kinds of mainstream electric motors on the market at present, one is induction motor (also known as asynchronous ac motor), the other is permanent magnet motor. Induction motor is a kind of motor which has the rotor rotation powered by magnetic torque created by the physical interaction of stator winding magentic field and the induction current generated rotor magnetic field. Tesla Model S and Model X are representatives of induction motor applications. The permanent magnet motor mainly refers to the permanent magnet synchronous motor, and the biggest difference with the induction motor in structure is that the rotor is permanent magnet structure, rather than wound by the electric coil. Which is better, the induction motor or the permanent mag...
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Electric driving motor manufacturer

Suzhou Lego Motors Co.,Ltd Over 500 employees Over 80 professionals  Located in Suzhou, about 100 km distance to Shanghai Over 80 patents Three R&D centers: Suzhou, Guangzhou and Beijing. The sales income in 2018 : RMB 650 million. Our proudcts specification: rated power 20~250Kw, peak torque 100Nm~4800Nm. Our sales volume: More than 30,000 sets electric vehicle motors per year.(New plant with 300,000 sets productivity) Our product superiority: mature experience,  high cost effective. Main customer: YUTONG, KINGLONG, DONGFENG, FAW, etc. yulongzhu@lego-motors.com www.lego-motors.com
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