The main components of industrial robots include reduction gears, braking equipment, motors, encoders, etc., and reduction gears are frequent failures in component failures, followed by braking equipment, motors and encoders.
When the reduction gear is damaged, it will vibrate or announce abnormal movements. In this case, it can cause overloads and abnormal breaches that disrupt normal operation. Sometimes it can also cause overheating. The robot may not be able to move at all, or it may exhibit an azimuth error. These causes may be caused by damage to the reduction gear spindle (S, H, V) or wrist shaft (R2, B, R1). How do I know if the spindle or wrist shaft is damaged?
A few detailed steps are required to confirm the diagnosis:
(1) When the robot is working, check whether the reduction gear vibrates, abnormal movement or overheating.
(2) Check whether the reduction gear is loose and worn. Turn the brake release switch of the S axis to the direction of [on], swing the first robotic arm in the forward and backward directions, and then check whether there is any abnormality with your hands.
(3) Check whether the peripheral equipment has been connected with the robot before the abnormal phenomenon occurs. (Damage to the reduction gear may be caused by the joint.) )
(4) Shake the end effector (such as welding torch and hand equipment, etc.) back and forth to see if the reduction gear is loose.
(5) Close the motor, turn on the brake release switch at the same time, and check whether the shaft can be rotated by hand. If not, it means that the reduction gear is not in good condition.
(6) Check whether the peripheral equipment has been connected with the robot before the abnormal phenomenon occurs. (Damage to the reduction gear may be caused by the joint.) )
After following this step, it is possible to confirm whether it is the main shaft or the wrist shaft that is damaged, and when the location of the damage is confirmed, the needle will be able to solve the problem accordingly.
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