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The reason of collision in NC machine tool processing

December 10, 2022

The rapid development of numerical control technology makes the use of numerical control machine tools more and more popular. This is because numerical control machine tools have a wide scope of application (product design, processing and assembly), high processing accuracy and processing efficieCNCy. However, due to improper operation or programming errors and other reasons during the training of CNC machine tools, it is easy for students to hit the workpiece or machine tool with the tool or tool holder, which may damage the tool and the parts to be processed, or even damage the machine tool components, resulting in loss of machining accuracy of the machine tool, or even personal accidents.

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The reason of collision in CNC machine tool processing
1. The most common cause of the collision is the knife compensation input error.
We know that precision parts processing in machining plants can not be separated from cutting tools. In the part machining center, how to operate the cutting tool on the workpiece needs to be controlled by the program. If there are input errors in computer programming, it is easy to have a collision.

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2. Another type of crash reason is error manipulation.
If the attention is not focused during the part processing, it is easy to open the wrong program, make a mistake in the processing coordinates, start the machine without returning to the original point, install the wrong tool, hand wheel or manual target errors, etc., which will directly lead to the machine collision.

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3. The unique processing procedure will also lead to machine collision.
For example, if a tool needs to be replaced during part processing, the machine may be hit due to a tool repair error; When the part processing program starts, the tool is cut at the diagonal line, which may also lead to machine collision; After cutting at the mechanical refereCNCe point, returning to the cutting point for processing can also lead to collision with the pressure plate or screw.