What should be checked before CNC machining?

CNCMachining centers generally do not require the use of special fixtures or other special equipment. When replacing parts, only the fixture and tool storage library needs to be adjusted, which can significantly shorten the production cycle.

Secondly,CNCThe machining center has the functions of milling machine, boring machine and drilling machine, so the processing is very intensive and the production capacity is greatly improved. Additionally, the CNC spindle speed and feed are continuously variable to achieve optimal cutting parameters.

However, the necessary tests remain essential before treatment.CNCWhat are the testing standards before treatment? Let’s find out together.

1. Check contact details

After using a clamp to fix the blank or workpiece, check the coordinate values ​​to determine whether the distance between the center and the two sides is the same to ensure the accuracy of the center position.

2. Tool selection, tool installation, tool setting and copyingZAxis coordinate number

Select the appropriate tool according to the programming list and clean the tool head and nozzle thoroughly before installing the tool. After installing the tool, use a calibration chart to check for any tool deviation. copyZAxis coordinate number, check from zero to ensure the tool is accurate.

3. Transfer the program and start processing

Before cutting, use single block operation, set the transmission speed and feed rate to the slowest, lower the tool slowly, and observe the machine tool display.ZAxis allocation, check if there is any abnormality. If there is an abnormality, immediately press the pause button to find out the cause and handle the abnormality. After making sure everything is working properly, adjust the speed accordingly and start the treatment.

4. The knife is not worn and the processing is abnormal.

During processing, it is necessary to quickly check whether the processing is abnormal or the tool is worn. If the tool wear is significant, stop processing and check whether processing is normal.