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Type 57 stepper motor supplier _ encoder stepper motor selection

by:Zhenyu     2020-11-03
What are a common cause of damage of stepper motor? Stepper motor is a electric drill speed reducer that converts electrical energy into kinetic energy, it has many kinds of types, different types of stepper motor damage will vary, the phenomenon and reason of summed up, however, is of two kinds of electrical and mechanical aspects of the



a, stepper motor selection installation problem:



1. Between step motor and load levels did not adjust good, cause the load and different heart between step motor and the radial force.



2. Stepper planetary gear motor foot screws has no fixed good, or fixed shelf design is good.



3. Power supply, no step motor pressure into consideration, such as 220 volts, using the 380 v, and went in.



4. Some stepper motor and servo motor, can not be privately apart to replacement of bearing and so on, otherwise you may lose magnetic or encoder pole zero offset can't normal use.



5. Need some special load brake, stepper motor and no corresponding mechanical or electronic brake, may be too late to energy release when parking.



6. Stepper motor without design some protective devices, such as overheating, overload, over temperature, lack of equal, which may occur in the process of using, but because the protection does not reach the designated position, directly will reduce the step motor burn down.



7. Without considering the load to selection, some of the load are frequent start-stop, perhaps to calculate only need 1 kw of power, design considering the heat dissipation and the weak question, may need to use 3 kw.



8. Line is wrong, such as the star of a triangular, and triangular to become a star, it may cause the motor overheating.



9. Connection error, or positive and negative upside down, or fine line selection, or terminal ear without good cause contact resistance is too large.



10. If you use the photoelectric encoder, such as the need to consider some dust protection, anti impact protection.



11. Drive is broken cause stepper motor instantaneous high voltage or high current burn out here.



2, bearing is broken, bearing temperature is too high, have crack and scars of raceway and rolling element:



1. Lubricating oil is insufficient, or aging, lubricating oil should not exceed seventy percent of the bearing cover and the bearing capacity.



2. Not installed in place, such as bearing, bearing cover the seam allowance without assembly, or between too close too loose. Concentricity is not good, eccentric force cause damage.



3. Between the coupling level no good adjustment, the chain or belt is too tight, axial impact load deformation, etc.



4. Not bearing quality, bearing gap is too small or too big.



5. Lubricating oil is punctuated with impurities such as iron powder, or the oil ring was stuck inside.



3, stepper motor quality problem:



1. Squirrel cage rotor of the conducting bar material don't pass, used in the process of fracture.



2. Copper wire of the coil winding is unqualified, or turns around is not enough, or has such problems as each phase resistance is not the same.



3. Some permanent magnet motor, magnetic material is not high temperature resistant, use excitation-loss after a period of time.



4. insulation is bad, the factory power supply sometimes grid voltage on the high side, voltage fluctuations, slightly cause insulation breakdown.



4, stepper motor environment problems:



1. High temperature occasion such as more than 50 degrees for a long time, and the load is heavy, the selection of motor, no use F and H high temperature resistance of the motor, at the same time not separate air cooling system design, long running planetary gear motor overheating.



2. Some occasions dust is more, if you use the brushless dc planetary gear motor, there are no such thing as attention to install the fan electric drill speed reducer to unclog the dust in time, lead to carbon brush and commutator wear in a short period of time.



3. Vibration load, resonance to consider, when fixed motor, the direction of the screw to consider whether it will loose because of vibration direction difference.



4. In electrical insulation for environment humidity is too high, there is no detail, may cause electric leakage on the road.


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Above all, we expect to be a credit to the communities we serve, a valuable resource to our customers, and a place where our dedicated electric motor suppliers can grow and prosper.
Zhenyu provides a number of types of gear reducers designed to handle planetary gear motor.
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Do you want to find a provider to get your electric motor suppliers problem settled? If so, we suggest that you give a shot to Hangzhou Xiaoshan Zhenyu Transmission Co., Ltd.. Visit Zhenyu Transmission to learn more and contact us.
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