Andy Lee wrote: > Hi > > I have come across add odd behaviour when contour milling with Axis and > EMC 2.2.2 on a Sherline 5000. After the first 3 levels have cut fine, > the G2 circular lines are subsequently ignored and only lines with > linear codes are read. The debug output also shows the program skipping > line numbers with G2 codes on. I've checked and double checked the > program and can find no cause for it. > > I was wondering if anyone has had a similar issue and could shed any > light on the problem. The code where the erroneous behaviour starts is: > << > N210 X-10.153 Y10.147 > N212 G1 Z15.022 F10 > N214 G2 X-10.153 Y-10.147 I-10.147 J-10.147 F75 > N216 G1 X-11.415 Y-11.409 > N218 G2 X-14.39 Y-13.085 I-4.49 J4.49 > N220 G1 X-14.392 Y-13.077 > N222 G2 X-28.375 Y-11.862 I-5.908 J13.077 > N224 G1 X-29.5 Y-11.85 > > > The controller completely ignores N214, N218 and N222. > Well, on N214, I see that the X coord is exactly the same at the start and finish of the arc. The Y coord moves from 10.147 to -10.147. The I,J specify an arc center at X=-20.3, Y=0 This would be a fairly broad arc, not a half-circle. > The previous level works as expected: > << > N146 X-10.153 Y10.147 > N148 G1 Z15.517 F10 > N150 G2 X-10.153 Y-10.147 I-10.147 J-10.147 F75 > N152 G1 X-11.415 Y-11.409 > N154 G2 X-14.39 Y-13.085 I-4.49 J4.49 > N156 G1 X-14.392 Y-13.077 > N158 G2 X-28.375 Y-11.862 I-5.908 J13.077 > N160 G1 X-29.5 Y-11.85 > > > I am going to attempt to reconfigure EMC 2.1.7 and see if the same error > occurs. Yeah, always best to keep the old version around. Quite bizarre!
Jon ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
