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Matters needing attention in operating CNC lathes to avoid tool collision

Matters needing attention in operating CNC lathes to avoid tool collision

13-12-2022

CNC lathe is a high-precision, high-power automatic machine tool. Using CNC lathe can improve processing efficiency and create more value. CNC lathe enables enterprises to get rid of backward processing skills. The processing technology of CNC lathe is similar to that of general lathe processing technology, but Since the CNC lathe is clamping and continuous automatic processing completes all cutting processes, the following aspects should be paid attention to.

Knife collision refers to machine tool accidents where tools (including tool holders, carriages, etc.) collide with workpieces, chucks or tailstocks. Knife collision is the most likely accident for novice CNC lathe operators. Once a knife collision accident occurs, it will slightly affect the accuracy of the machine tool. , The heavy machine tool is damaged, and the operator needs to pay great attention to it.

CNC lathe

The following points should be paid attention to when operating CNC lathes to avoid tool collision:

1. Always check whether the limit block of the lathe is in the correct position and whether it is loose; (but it should be noted that the limit of the machine tool can only play a protective role at the limit position of the stroke. Due to the different protruding positions of the tool and the blank size of the workpiece, in most cases In this case, the limit of the machine tool cannot effectively avoid the knife during the processing).

2. After the program input is completed, it is necessary to carefully check whether there is any fault, so as to avoid collision with the knife due to the wrong input of coordinate numbers.

3. Correctly set the tool and set the tool compensation, pay attention to the Z direction when cutting the tool, pay attention to the use of the tool Z to the zero point should be used together with programming Z to avoid tool collision due to inconsistent workpiece coordinate system settings.

4. When starting to run, set the fast override to be slower (for example, it can be set to 25%).

5. After the program is compiled, single-segment debugging should be carried out first, and the display screen should be switched to the page where the workpiece coordinate system and the program being executed can be seen at the same time.

6. During the debugging process, pay attention to the absolute coordinate value at that time and the end coordinate position of the next program segment, determine the movement interval of the tool, and then investigate the interval between the tool position and the workpiece position to determine whether a collision may occur.

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