Process analysis and CNC machining of eccentric sleeves (3)

Programmable rotation, subroutine, subroutine call: The eccentric sleeve has a boss and a keyway that are evenly distributed on the 360° circumference. In order to simplify the calculation and simplify the program, the rotation and subroutine are used in the preparation. The subroutine of the eccentric sleeve processing three long grooves of 5.5mm width is as follows:

The main program for processing three 5.5mm long slots uses subroutine calls and programmable rotation. Programmable Rotation: The format AROTRPLAROT is an additional rotation referenced to the currently valid set or programmed zero point; the RPL rotates in-plane: the angle at which the coordinate system rotates. The specific programming is as follows:

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