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Do you usually analyze-->solid and check the solid for errors? I don't use imported solids because they are only as good as the guy that created them. I spend less time creating a native MC solid than I would use trying to get the bugs worked out of the imported solids.
A question for Rob and Matt, is the solid created in MC or another system like solidworks? We do 100% machining from solids and do not see any code generated gouges.
"keep the dimensions that exist on the solid" I am not sure if you are saying that the scale of the drawing entities are not correct due to the scaling or that you created dimensions and want to add them to the drawing.
I make sure my view is correct (top view most of the time), select the curve-->part-line function, pick my solid with the solid selection tool (or window pick surfaces), and hit the apply button twice. I rarely use the result for my parting line, but I will reference it to generate parting line geometry. It will also give you a little more than you might have expected.
My general rule of thumb is to use .002 per 1/8 of cutter diameter when using ball nose in parallel machining, so .016 for a 1.00 ball endmill. You can also use .0002 scallop height and get similar results.
My objection would be that right now some functions only work with the apply button. If the green button ended the operation with a result, then the apply button would not be needed. Specifically, try and create curve-->slice with a solid. Once everything is set, the only way to get a result is with apply.
It is not uncommon to find many splines (as well as arcs)when edge curves are applied. If your hole is tapered or the fillet blends the hole to a face that is not perpendicular to the hole, a spline will result.
Perhaps not on topic, but since it was mentioned here, I strongly disagree with the statements in file size differences between solid and surfaces. Surface files are a pig for me. Programming off MC solids only since V7 without any problems. I did the simple test as described. Took a solid file (1788kb) with all the history, created surfaces from solid, deleted solid and all wireframe entities, saved surface file. Size is now 4093kb.
I'll stick with solids.
I think that once upon a time CNC owned the code because they wrote it. Now they are traffic cops directing all of the code written by outside sources.
I run into a similar problem generating solids. With most of the geometry xform functions, you can "move" geometry and simply regen the dirty solid. When xform --> offset contour is used and move selected, the solid will go dirty and the new chain will need to be selected in the solids history tree.
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