CNC machining center troubleshooting considerations - Database & Sql Blog Articles

May 03, 2022

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As the country becomes a large CNC processing country, the technical requirements for the machining center are getting higher and higher, and the machining center is not as strange as the previous import processing. If it fails, it will cost money to ask the experts to repair it and delay it. produce. Cnc CNC machining center and now there are some technical support for the fault. We also release a lot of information about the machining center and spark machine on the website. Below we introduce you to the CNC machining center failure. Note the points and how to solve them.
The positive and negative hardware limit alarms of the machining center will not appear under normal conditions. The machine tool may appear before the zero return. Because the system does not have a fixed mechanical coordinate system before the zero return, the system is randomly positioned, and the soft limit is invalid. Therefore, you must return to zero before operating the machine. the reason:
1. The contact switch contacts are pressed and stuck (overtravel).
2. The stroke switch is damaged.
3. The trip switch circuit has an open circuit, short circuit and no signal source.
4. The limit stop cannot press the switch contact to the action position.
5, plc input point burned out.
So how do we solve these problems if we encounter these problems in the process of using the machining center?
1. Manually or handwheel shake away from the safe position, or clean the switch contacts.
2. Replace the travel switch.
3. Check if there is a short circuit in the line of the stroke switch, and re-process it if there is a short circuit. Check the signal source (+24V DC power supply).
4. Adjust the installation position of the travel switch so that it can be normally pressed onto the switch contact to the action position.
5. Replace the input points on the I/O board and set the parameters to modify the PLC program.

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Author:

Ms. SU LAN RONG

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

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