In order to stop working in the middle, the operator must first control the cnc pipe grooving machine to return to the beginning of the program (or the origin of the steel plate) in order to continue cutting at the next work. It is obvious that if the cutting machine suddenly fails in normal operation (such as power failure, servo system failure, control computer crash, etc.), because it has no power failure memory function, the operator can not make it back to the starting point of the program (or the origin of the steel plate). When the fault occurs, first eliminate the fault, and then use the above method to make it zero after the cutting machine returns to normal, and then use the remembered coordinate value to find the starting point of the program (or the origin of the steel plate). In this way, the breakpoint can be successfully cut until the entire steel plate is cut.

In production practice, we successfully solved this problem by artificially setting zero point for cnc pipe grooving machine. cnc pipe grooving machine problem of returning to the program origin (or steel plate origin) after a fault occurs. Regardless of the X and Y coordinates displayed by the cutting machine, press the Z key to make it all zero, and this position is the zero point set by the cutting machine. The CNC flame cutting machine then operates the cutting machine according to the position of the steel plate to set the starting point of the program (or the origin of the steel plate), and remember the X and Y coordinate values at this time after the setting, which is the relative position of the zero of the cutting machine and the starting point of the program (or the origin of the steel plate). The specific operation method is as follows: First, operate the cutting machine, make the longitudinal slide slowly contact the measuring rod, and compress the spring to produce appropriate deformation, then set the dial indicator head "0"; Then use the same method to set the dial head of the other zero device to "0".

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