Used stepping motor knows, in everyday use, every time before you start the motor to inspection on the motor, it is only through business as usual, check to make sure motor can start using the motor. And inspection work is not only reflected in the motor before using, in these cases we both need to inspection on motor: just received my newly purchased motor: newly purchased stepper motors, may be because the manufacturer production and packaging problems, has quality defect, may in the transport of damage, so requires everyone after receive new purchase of motor, first carries on the inspection. New motor for the first time use: newly purchased stepper motor after installation is complete to be able to use, and will be used to ensure that when the motor running and function is normal, also need to check before the first use of the new motor, ensure the normal order of the electrical installation effect. Long-term outage motor used again: stop for a long time of stepper motor, is likely to be because of the influence of environmental factors such as there is a problem, can't normal operation and use. So everyone in the long downtime of motor used again, need to check first. Of course, daily use stepper motor, every time before starting also need to check on the motor. the main products: stepper motor, brushless motor, servo motor, stepping motor drive, brake motor, linear motor and other kinds of models of the stepper motor, welcome to inquire. Telephone: