Hi, I just started using PyCAM a couple of days ago. I am working with an model (STL file) of a car that I want to cut into 3d exterior surface sections. Today I generated my first gcode files. I succesfully got roughing pass and finish to work. However whenever I try running semi-finish using contouring it seems to freeze. I'm running this in Ubuntu 10.04 on an older single processor machine. The tool size I'm using is 1/8" spherical (3.175mm). It seems to get stuck on layer 2/16.
My model is complex with 19,000 vertices. I'm using a bounding box to limit the cutting of the model to a small section (The left side of the car - a 1.5 foot slice of the left side of the full scale vehicle. The slice is scaled to 19mm) The tires are included and there is some overhang for the inside of the wheel but I assume it will process everything that it can and will not cut the inside of the wheel, right?
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the current ContourFollow strategy is rather new and maybe fragile for special situations.
Could you send me your STL file and the task settings file of your operation? Then I would try to fix this. Just send it to my sourceforge mail address.
Alternatively you could use the other Contour algorithm (ContourPolygon). Here you should use a large value for "overlap" - this increases accuracy. Sadly this algorithm only works properly, if your bounding box covers the whole model. But I guess, this limitation is ok for you.
Hope this helps,
Lars
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Anonymous
-
2011-02-01
OK, I think I sent you a copy of the .stl model plus the .conf file. Does your email address end in users.sourceforge.net?
Marlin
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Hi, I just started using PyCAM a couple of days ago. I am working with an model (STL file) of a car that I want to cut into 3d exterior surface sections. Today I generated my first gcode files. I succesfully got roughing pass and finish to work. However whenever I try running semi-finish using contouring it seems to freeze. I'm running this in Ubuntu 10.04 on an older single processor machine. The tool size I'm using is 1/8" spherical (3.175mm). It seems to get stuck on layer 2/16.
My model is complex with 19,000 vertices. I'm using a bounding box to limit the cutting of the model to a small section (The left side of the car - a 1.5 foot slice of the left side of the full scale vehicle. The slice is scaled to 19mm) The tires are included and there is some overhang for the inside of the wheel but I assume it will process everything that it can and will not cut the inside of the wheel, right?
Hi Strat-0,
the current ContourFollow strategy is rather new and maybe fragile for special situations.
Could you send me your STL file and the task settings file of your operation? Then I would try to fix this. Just send it to my sourceforge mail address.
Alternatively you could use the other Contour algorithm (ContourPolygon). Here you should use a large value for "overlap" - this increases accuracy. Sadly this algorithm only works properly, if your bounding box covers the whole model. But I guess, this limitation is ok for you.
Hope this helps,
Lars
OK, I think I sent you a copy of the .stl model plus the .conf file. Does your email address end in users.sourceforge.net?
Marlin