rotary bonng/tapping/cutting special machine The origin of rotary bonng/tapping/cutting special machine is the reference point of the machine tool manufacturer. The CNC system determines the specific position of the origin of the machine by returning to the reference point of the machine tool, so as to establish a correct machine coordinate system, which is the rotary bonng/tapping/cutting special machine return to the reference point of the machine tool.

When the rotary bonng/tapping/cutting special machine position detection device is absolute encoder, the system relies on the encoder battery to provide power after power off, and remembers the position change of the machine tool after power off. The system taps the position detection device and refreshes the data when the system is powered on. Make the coordinate value of the machine coordinate system consistent with the actual position of the machine. Therefore, when the position detection device is an absolute encoder, the machine can be turned on without returning to the machine reference point. If the position detection device is an incremental encoder, the coordinate value memorised by the system is the position of the machine before power failure, which may be inconsistent with the actual position of the machine. Therefore, the rotary bonng/tapping/cutting special machine of the incremental encoder position detection device has to tap /tapping/cutting special machine.

Relative coordinate value refers to the incremental coordinate value of the machine reference point moving from the machine reference point to the machine reference point in the coordinate system with the machine tool origin as the coordinate origin (the offset value of each axis is 0); The absolute coordinate value refers to the absolute value of the machine reference point in the coordinate system with the machine tool origin as the coordinate origin (the offset value of each axis is 0). The mechanical coordinate value refers to the absolute coordinate value of the machine reference point in the coordinate system with the reference point of the machine tool as the coordinate origin. Of course, the definition of the coordinate system of different machine tool manufacturers is different, and the actual use should be operated according to the machine tool manufacturer's machine tool manual.

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