How to avoid machine tool collision?

Machine tool collision is a great damage to the precision of machine tools, and the impact on different types of machine tools is different. Generally speaking, it has a greater impact on machine tools with weak rigidity. Therefore, for high-precision CNC lathes, collisions must be absolutely eliminated. As long as the operator is careful and masters certain anti-collision methods, collisions can be completely prevented and avoided.


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The main reasons for collisions:


First, the diameter and length of the tool are entered incorrectly;


Second, the size of the workpiece and other related geometric dimensions are entered incorrectly, and the initial position of the workpiece is incorrectly positioned;


Third, the workpiece coordinate system of the machine tool is set incorrectly, or the machine tool zero point is reset and changed during the processing process. Machine tool collisions mostly occur during the rapid movement of the machine tool. The harm of collisions at this time is also the greatest and should be absolutely avoided.


Therefore, the operator should pay special attention to the initial stage of the machine tool in the execution of the program and when the machine tool is changing the tool. At this time, once the program is edited incorrectly and the diameter and length of the tool are entered incorrectly, it is easy to collide. At the end of the program, if the sequence of the CNC axis's tool retraction action is wrong, a collision may also occur.


In order to avoid the above collisions, the operator should make full use of the functions of the five senses when operating the machine tool. Observe whether the machine tool has abnormal movements, sparks, noises and abnormal sounds, vibrations, and burning smells. If any abnormal situation is found, the program should be stopped immediately, and the machine tool can continue to work after the problem is solved.


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