Re: [Emc-users] Lathe screw cutting problem

2008-05-25 Thread Steve Blackmore
On Sat, 24 May 2008 22:11:47 -0500, you wrote: I have set up lathe-type threading on my mini-mill, with a real quadrature encoder on the spindle. It has 1728 lines, for 6912 quadrature counts/revolution. So, at 100 RPM, it provides 11,520 counts/second, or 11.52 counts/servo period,

[Emc-users] Lathe screw cutting problem

2008-05-24 Thread vwa1244302
Hello. Has anyone managed to set a screw cutting lathe up successfully with EMC2? Mine is a simple setup. The encoder has 1ppr and also a disk with 48 slots. The problem is that the lathe carriage does not synchronise with the spindle nicely - it overshoots and undershoots and by the time it

Re: [Emc-users] Lathe screw cutting problem

2008-05-24 Thread Kirk Wallace
On Sat, 2008-05-24 at 13:49 -0400, [EMAIL PROTECTED] wrote: Hello. Has anyone managed to set a screw cutting lathe up successfully with EMC2? Mine is a simple setup. The encoder has 1ppr and also a disk with 48 slots. The problem is that the lathe carriage does not synchronise with the

Re: [Emc-users] Lathe screw cutting problem

2008-05-24 Thread John Kasunich
Kirk Wallace wrote: On Sat, 2008-05-24 at 13:49 -0400, [EMAIL PROTECTED] wrote: Hello. Has anyone managed to set a screw cutting lathe up successfully with EMC2? Mine is a simple setup. The encoder has 1ppr and also a disk with 48 slots. The problem is that the lathe carriage does not

Re: [Emc-users] Lathe screw cutting problem

2008-05-24 Thread Jon Elson
[EMAIL PROTECTED] wrote: Hello. Has anyone managed to set a screw cutting lathe up successfully with EMC2? Mine is a simple setup. The encoder has 1ppr and also a disk with 48 slots. The problem is that the lathe carriage does not synchronise with the spindle nicely - it overshoots and

Re: [Emc-users] Lathe screw cutting problem

2008-05-24 Thread Jon Elson
Kirk Wallace wrote: On Sat, 2008-05-24 at 13:49 -0400, [EMAIL PROTECTED] wrote: Hello. Has anyone managed to set a screw cutting lathe up successfully with EMC2? Mine is a simple setup. The encoder has 1ppr and also a disk with 48 slots. The problem is that the lathe carriage does not