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I'm trying to do an OD groove but the tool path plunges in to full depth and then cuts along the bottom of the groove at full depth a small amount before retract. It then goes to plunge in the other side of the groove. See snip 1 attached for the first part of the tool path.
Does anyone know why this is happening?
Thanks,
Sam
Solved! Go to Solution.
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Without seeing your F3D file there is no way to tell. Grooving is not highly refined for sure and some behavior can be fixed by adjusting step over amount or using smaller tool width.
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Indeed. Most likely what you are experiencing here is an issue with the combination of roughing step-over, finishing step-over and tool width.
Laurens Wijnschenk
3DTechDraw
AutoDesk CAM user & Post editor.
René for Legend.
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Thanks for your input. It's a groove roughly 3.2 mm wide and I'm going in with a 3.0 mm grooving tool. Enabling or disabling finishing passes didn't seem to do anything at all - the tool path remained unchanged and no finish pass was performed either way. The only way it seemed to make a difference was to change the stepover to something silly like 0.05 mm but that just gave me a large number of cuts I didn't really want. Ideally I'd have it plunge in the middle then finishing both edges and clearing the bottom.
I tried using a 2.0 mm insert in fusion and playing about with stepover etc and it still seems to happen although it actually allows for a finish pass which is a plus.
I've attached the f3d file for reference.
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Hi @info99H4D , the grooving operations need some improvent on how they work. You have to be carefull when the groove is close to the size of your tool. I think I got to work close to the way you want. I also attached a file.
Jason
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Thank you both for your input. It seems like the only way to do this in fusion is with a smaller groove tool and not a 3 mm one as I had hoped but I can live with that.
Thanks again,
Sam
Fusion