Looks like i need a caliper. Seller (local) said that it is 3.175mm and I think I'm using the biggest bit. Well, you know, it is from China :lol: I got set of 10 (0.8 - 3.175mm) for around 6bucks.Have you measured your bit to see if it is actually 3.175mm? I had a similar problem with a 1/8" bit that should have been 0.125" but when I measured it I found it to be 0.123". Same with a 1/4" bit that should be 0.250" and is actually 0.245". So I now have those defined in the tool library with their actual size and my parts come out pretty accurate.
David
Glad to assist! Also, if your pocket is a flat bottom, then set your Radial Stock to Leave at say 0.005" (or 0.127mm) or some small amount and Axial to 0.0". Then make a second pass using either 2D or 3D Contour in Conventional Cut with no stock to leave. You can generate these as one file for G-code and as soon as the pocket finishes cutting it will move to the finish pass without having to do anything else. That will give you a more accurate dimension than just using the Pocket Tool.Well, i will update you as soon as i get a caliper.
Thanks David!
When i set my $100=800step/mm which is 400step/mm before and run G91 G21 X100, it stalls. Is this because of uneven screw on the coupling or because it is too much for the stepper?Glad to assist!
Richard have you calibrated you machine? This may be your problem.
Sounds to me like all you need to do is account for this in your backlash settings as with MACH3 after you have verified the exact diameter af the tool.
Hi folks,Glad to assist! Also, if your pocket is a flat bottom, then set your Radial Stock to Leave at say 0.005" (or 0.127mm) or some small amount and Axial to 0.0". Then make a second pass using either 2D or 3D Contour in Conventional Cut with no stock to leave. You can generate these as one file for G-code and as soon as the pocket finishes cutting it will move to the finish pass without having to do anything else. That will give you a more accurate dimension than just using the Pocket Tool.
You should still have a set of calipers but you might try this second pass with the different profile before you head out to get the calipers.
David
Did you do this? In the Pocket cut, set your Radial Stock to Leave at say 0.005" (or 0.127mm) or some small amount and Axial to 0.0". Then make a second pass using either 2D or 3D Contour in Conventional Cut with no stock to leave. You can generate these as one file for G-code and as soon as the pocket finishes cutting it will move to the finish pass without having to do anything else. That will give you a more accurate dimension than just using the Pocket Tool.Fusion360, starting point is perfect but the pocket is off by 1mm for each x & y axis (0.5mm each side).
Hey, that i forgot to try. I will do that first thing tomorrow. It's getting late here.Did you do this? In the Pocket cut, set your Radial Stock to Leave at say 0.005" (or 0.127mm) or some small amount and Axial to 0.0". Then make a second pass using either 2D or 3D Contour in Conventional Cut with no stock to leave. You can generate these as one file for G-code and as soon as the pocket finishes cutting it will move to the finish pass without having to do anything else. That will give you a more accurate dimension than just using the Pocket Tool.
David
Just did it.Did you do this? In the Pocket cut, set your Radial Stock to Leave at say 0.005" (or 0.127mm) or some small amount and Axial to 0.0". Then make a second pass using either 2D or 3D Contour in Conventional Cut with no stock to leave. You can generate these as one file for G-code and as soon as the pocket finishes cutting it will move to the finish pass without having to do anything else. That will give you a more accurate dimension than just using the Pocket Tool.
David
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