As is well known, a servo motor refers to an engine that controls the operation of a mechanical component in a servo system, and is an auxiliary motor indirect shifting device. But how much do you know about various maintenance knowledge?
First, what do you need to do before starting the servo motor?
1) Measure the insulation resistance (for low voltage motors should not be less than 0.5M).
2) Measure the power supply voltage, check if the motor wiring is correct, and if the power supply voltage meets the requirements.
3) Check if the starting equipment is good.
4) Check if the fuse is suitable.
5) Check if the motor is grounded or connected to zero.
6) Check the transmission for defects.
7) Check the motor environment for proper flammability and other debris.
Second, what are the reasons for the overheating of servo motor bearings?
The motor itself:
1) The inner and outer rings of the bearing are too tight.
2) There are problems with the shape and position tolerance of the parts, such as the coaxiality of the parts such as the base, end cover and shaft.
3) The bearings are not properly selected.
4) The bearing is poorly lubricated or the bearing is not cleaned, and there is debris in the grease.
5) Shaft current.
Use aspect:
1) Improper installation of the unit, such as the coaxiality of the motor shaft and the dragged device.
2) The pulley is pulled too tight.
3) The bearing is not well maintained, the grease is insufficient or exceeds the service period, and the hair is deteriorated.
3. What is the cause of the three-phase current imbalance of the servo motor?
1) Three-phase voltage imbalance.
2) The welding of a certain phase of the internal phase of the motor is poor or the contact is not good.
3) The motor is short-circuited between windings or short-circuited to ground.
4) Wiring error.
Fourth, how to control the speed of the servo motor?
The servo motor is a typical closed-loop feedback system. The reduction gear set is driven by a motor. Its terminal (output) drives a linear proportional potentiometer for position detection. The potentiometer converts the corner coordinate into a proportional voltage feedback to the control circuit board. The control circuit board compares it with the input control pulse signal to generate a correction pulse, and drives the motor to rotate in the forward or reverse direction, so that the output position of the gear set coincides with the expected value, so that the correction pulse tends to be zero, thereby achieving the servo The purpose of precise motor positioning and constant speed.