Routine troubleshooting methods for machine tools in precision parts processing plants

Routine troubleshooting methods for machine tools in precision parts processing plants

Precision parts processing plants generally have failures. Except for a small number of self-diagnostic functions that can display failures and accidents (such as memory alarms, high power supply voltage alarms, etc.), most of the failures are caused by comprehensive factors, and the specific causes cannot be determined. Generally, The following steps are used for routine processing:

(1) Fully investigate the fault scene:
After the failure of the airport, the maintenance personnel carefully observe the remaining contents of the registers and buffer working registers, understand the contents of the executed procedures, and learn about the situation and phenomena on the spot from the operator. When there is a diagnostic display alarm, open the electrical cabinet and observe whether there is a corresponding alarm red light on the printed circuit board. After completing these investigations, you can press the reset button on the precision parts processing machine tool to observe whether the alarm is cleared after the system is reset. If it is eliminated, it is a software failure, otherwise it is a hardware failure. For non-destructive failures, the machine tool can replay the operating conditions of the failure and carefully observe whether the failure reappears.
(2) List all possible causes of failure:
There are many reasons for failures on the machining center, including mechanical, electrical, control systems, etc. All possible causes of failure are listed for easy troubleshooting.
(3) Step by step selection to determine the cause of the failure:
According to the failure phenomenon, refer to the relevant maintenance manual of the precision parts processing machine tool to list many factors. After the optimized selection and comprehensive judgment, the deterministic factors that lead to the failure are found.
(4) Troubleshooting:
After finding the exact cause of the failure, you can “prescribe the right medicine” to repair, adjust and have components.

Author: Chris Na