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CNC Milling

CNC Milling. November 11, 2008. Curves on the CNC MIll. Remember the keyword MOVE is used to put the mill in s straight line mode. The keyword ARC is used to move the mill in an arc or circle. CIRCLE. Use the MOVE keyword to position the end mill at the starting point of the circle.

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CNC Milling

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  1. CNC Milling November 11, 2008

  2. Curves on the CNC MIll • Remember the keyword MOVE is used to put the mill in s straight line mode. • The keyword ARC is used to move the mill in an arc or circle.

  3. CIRCLE • Use the MOVE keyword to position the end mill at the starting point of the circle. • Use the ARC keyword • ARC.CW - for a clockwise move • ARC.CCW - for a counter clockwise move • Specify the center of the circle • End the circle with the ARC keyword

  4. DRAWING A CIRCLE WITH G-CODE Use MOVE to position end mill at arc start ARC.CW or ARC.CCW Define center point ARC completes circle

  5. ARC • Use the MOVE keyword to position the end mill at the starting point of the arc. • Use the ARC keyword • ARC.CW - for a clockwise move • ARC.CCW - for a counter clockwise move • Specify the center of the arc • End the arc with the ARC keyword, followed by the ending position of the arc.

  6. Drawing ARCS with G-CODE Use MOVE to position end mill at arc start ARC.CW or ARC.CCW Define center point Define end point n Another Arc? y n New arc start? y

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