Roll Unroll 2D Contour with Axis Substitution – Mastercam

Wireframe > Curve All Edges

wireframe curve all edges toolbar

Activate Solid Selection icon Solid Selection Icon

Solid Face selectionSolid Face Selection Icon

End and Clear Selection Toolbar

Select the face required

Once desired faces are selected End Selection End Selection Button
Press [Enter]
Transform > Roll

Transform Roll Toolbar

Chain desired geometry

Chain desired geometry

Accept Accept Button
Set to Copy and Unroll. Then enter outside diameter of part.

Copy and Unroll selection window
Accept Accept button
Note: In some cases your toolpath will not line up with your model after you do the axis substitution toolpath. You may need to adjust the Positioning Angle so they line up.

Roll Window

Toolpath > Contour

Toolpath Contour Window

Select C-plane > ChainSelect c-plane chain image and then select the unrolled geometry.

Select c-plane chain image

Accept Accept button
Review all toolpath parameters (as you would in any toolpath).

Under Axis Control select Rotary Axis Control
Under Rotation Type select Axis Substitution
Under Axis Substitution select appropriate axis (in this example select Y axis is used).
Enter Rotary Diameter (Outside diameter of part)
2D Toolpaths Contour - Window

Accept Accept Button
To review toolpath,
Under Operations Manager select Backplot Backplot icon
Press PlayPlay icon to backplot your operation

Play Window


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