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> 3D/2D contouring question
post Jul 16 2016, 10:23 PM
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Dave, Trying to learn about the 3D contouring, which I admit I do not understand because the manual doesn't say anything about the top and bottom offset fields,
I made this simple test piece.

I have a 2D contouring with project toolpath and a 3D contouring that I have been playing with individually by swapping their order in the list.

If you look at the verify compare it shows that the 2D contouring cuts the exact amount at the highest z level but leaves too much material as it moves to the lowest z level.

The 3D is the opposite. It cuts the proper amount at the highest z level, but then cuts too much as it moves to the lowest z level.

Nothing I have tried will make it cut the proper amount all the way around the bevel and consequently show green all the way around in the verify compare.

A quick lesson on the 3D contouring would be helpful as the online English manual gives no information specific to the 3D that is not also about the 2D.


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post Oct 18 2016, 04:59 PM
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The 3D Contouring (3D Curve) operation has been there in every version of SprutCAM that I have used.

I don't use the 3D Contouring operation very much. 3D Contouring allows you to use 3D curves / edges whereas 2D Contouring only allows the use of 2D curves. Making a quick comparison, 2D Contouring includes 'T slot level' and 'Helical' options which aren't there in 3D Contouring.
As far as I am aware, 3D Contouring doesn't have any 5 axis capabilities.

I hope this helps?


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