The load torque of the DC gear motor has a direct relationship with the speed and current.
2022-10-27 18:25:30Zhejiang Dongzheng Motor
The load torque of the DC gear motor has a direct relationship with the speed
and current. The speed decreases with the increase of the load and the current
increases linearly. When selecting specifications, try to work near its maximum
efficiency point to obtain the ideal operating performance, work life and
characteristics stability.
Generally, the use environment of the DC gear motor is the same as the micro
-DC motor. If there are special needs, such as environmental temperature,
overload conditions, current limits, etc., it must be explained in advance.
The working life of the gear box generally exceeds the working life of DC
motor and can usually reach 1,000 to 3,000 hours. The total deceleration ratio
of the gear box is generally in the range of 1:10 to 1: 500. After special
design, it can reach 1: 1000 or larger, but the gearbox with a large
deceleration ratio is not allowed to "reverse", that is, the output shaft of the
gear box cannot be used as the active axis to forcibly reverse it.
Due to the limitation of gear strength, when the total transmission is large,
the gear motor may not be able to withstand the torque. At this time, the load
torque cannot exceed the maximum allowable short -term load torque. The gear box
consists of a multi -level gear. Each level includes a pair of mutually
intertwined gears consisting of shell -like gears and small gears. The first
small gear was installed on the output shaft of the motor. The bearing used for
the output shaft of the gear box is usually a oil -containing bearings made of
copper or iron sintering.
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