On Mon, Mar 08, 2010 at 06:44:06PM +0000, Andy Pugh wrote:

> http://linuxcnc.org/docs/html/gcode_main.html#sec:G96,-G97:-Spindle
> 
> Says that spindle speed is calculated on the basis of machine X
> position and Tool Offset.

That used to be true.

> This appears to mean machine absolute position? With my machine X(abs)
> runs from 0 to -130 but the G54 offsets are set to make that work
> properly for machining.
> CSS appears to work, with the speed hitting the max as the tool tip
> reaches the middle of the work, so have I just got lucky, or is the
> documentation not entirely true?

Yes now it works properly considering G43, G5x and G92 offsets.  So no
matter how you set the X part zero, you get the right CSS.

> As a secondary question, is G96 affected by G7 (Diameter) mode? I am
> wondering if I am running at half (or twice) the requested speed.
> I guess it is an easy enough question to answer with a calculator.

Not affected.  Surface speed is surface speed.

Chris

------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
Emc-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/emc-users

Reply via email to