Tool setting method for repairing thread by using numerically controlled lathe
A CNC lathe and thread technology, which is applied in the field of thread processing of parts, can solve the problems that the thread accuracy is difficult to meet the design standard requirements, the labor intensity of operators is high, and the efficiency of ordinary lathes is low. The effect of service life
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[0029] The invention is based on the thread trajectory of the first processed thread, and measures the error between the thread trajectory of the thread to be repaired and the reference trajectory. By changing the zero phase pulse phase of the spindle encoder or changing the Z coordinate of the tool tip starting position Adjust the initial position of the tool tip to make the machined thread track coincide with the thread track to be repaired. The present invention includes the following specific steps:
[0030] (1). Before tool setting, place a fixed plane board in front of the lathe spindle. The plane board faces the spindle, and a straight line section perpendicular to the spindle axis is drawn on the plane board; the aforementioned plane board can also be used in front of the lathe spindle The lathe itself is flat instead,
[0031] (2). Clamp the part on the lathe, align it, and process a part that is consistent with the thread design standard on the part to be repaired. After...
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