Machine Datum Coordinate Systems

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For any operation, change the coordinate system and origin to adapt to origin shifts and NC machine availability.

Use SURFCAM's Edit Setup Information dialog to designate as a Machine Datum a CView that suits the orientation of an operation.

SURFCAM outputs the NC code for that operation as if the CView chosen for Machine Datum were Cview 1 or WORLD coordinates.  

Example

The following drawing labels the CView indicator "a." The CView is set to 1 (Top view). The geometry at the upper right (labeled "b") falls in a different orientation.

 

  1. Create a new CView to match the geometry at the upper right, labeled "b." For this example, name the new CView "dat1."

  2. Create a cutting operation on the geometry labeled "b."

  3. Open the Operations Manager, and right-click on the Setup that contains the above operation. Select Edit Setup Information.

  4. Set Machine Datum to the new CView "dat1" and click OK.

  5. In the Operations Manager, click the Post Button to create the NC code.
    The provided "DEMO Bridge Mill" SPost outputs the following NC code. For this operation, "dat1" adopts the World Coordinate origin.

    G0 G90 G54 X-.3805 Y.0111 A0. B0. S306 M03
    G43 Z13.749 H24 M08
    . . . .

  6. Machine Datum set to No defined Machine Datum outputs the following. Notice the difference.



    G0 G90 G54 X4.1141 Y-2.7141 A45.993 B-10.545 S306 M03
    G43 Z14.2999 H24 M08
    . . . .
     

 

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