> -----Original Message-----
> From: Roland Jollivet [mailto:roland.jolli...@gmail.com]
> Sent: July-14-19 6:41 AM
> To: Enhanced Machine Controller (EMC)
> Subject: [Emc-users] Work holding machining Techniques
>
> > G0 X10 Y100 (equivalent to positioning by DRO)
> > jog down to kiss the material "Touch Off" Z (equivalent to zeroing the
> DRO)
> >
>
> It's often suggested to jog down to touch off. Maybe onto some paper or
> whatever.
> I think it's a bad idea because of the risk of chipping the flutes, and in
> the last 0.3mm it's difficult to gauge where you are.
>
> Jogging up is better, backlash notwithstanding.
> Use an accurate rod or the shank of an endmill, say 10mm
> Jog upwards while you gently try to roll the rod under the cutter
> As you near the crest of the rod you can see when you need to reduce the
> increment
> And if you overshoot, it's easy enough to lower and do it again
>
> Roland
Thanks. Good technique to add to my how to do things tool box.
John
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