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orlandosardaro  
#1 Posted : Tuesday, September 25, 2007 3:47:06 PM(UTC)
orlandosardaro

Rank: Senior Member

Joined: 3/1/2007(UTC)
Posts: 35

1. Draw a part that contains holes.
2. Create a 2D drawing.
3. In the view perpendicular to the holes, click the 'circles'.

You will see that what should be circles now have become 2 180 arcs. CAM machines really don't like that.

Why is that, is it an ACIS thing, or something development can change?
JoeM  
#2 Posted : Wednesday, September 26, 2007 6:15:18 AM(UTC)
JoeM

Rank: Junior Member

Joined: 4/11/2007(UTC)
Posts: 12

This is interesting. I know that TurboCad has the same issue with its 2D drawing generation. However, I have not had any trouble with laser or waterjet cutting patterns that have two arcs (with coincident ends) instead of a circle.
jol  
#3 Posted : Saturday, December 22, 2007 11:56:09 AM(UTC)
jol

Rank: Senior Member

Joined: 2/26/2007(UTC)
Posts: 2,156

Was thanked: 1 time(s) in 1 post(s)
no problems here cutting 2 curves instead of a circle - but it's an interesting question !
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