Discussions around the CAM Add-On of QCAD.
9 posts • Page 1 of 1
I was doing a wooden face plate for an AC socket. The edge I wanted a concave radius on it. I used a 1/2" radius router bit, so I creates a rectangle slightly larger than then outside of the plate. In profile Is set the tool size as 6.35 and in Side/Dir. box I set the side for "On" figuring it would follow the line in the center of the bit. Well it didn't it ran 5mm outside the rectangle and missed the plate totally. So I tricked the the CNC Router, I changed the tool size from 6.35mm to .02mm and it nearly ran center of the path rectangle. So my question is, if you choose in the Side box the "On" shouldn't it follow the line in the center of the bit.
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I should mention, in the simulation it showed like it was suppose to, but when I did the actual piece it cut 5mm outside the line. I don't have the original DXF file it got over written. But this file was saved just afterwards.
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Like I said, that file in question when I ran the simulator it didn't show any issues, but when I ran it on the CNC Router/Mach 3 it was different. I will later on make a run with that file on my system and see f it will do it again. Also in that photo if you notice on the circular plate, there is a flaw near the inter circle. After switching tools and ran it, it started outside the inner circle when it also was set for "On" and couldn't figure out why.
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Can you please attach the G-Code with the DXF file? The G-Code shows the full and final truth about what the machine is supposed to do and also whether the problem is with the G-Code (i.e. QCAD/CAM) or elsewhere.