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Bed mill servo and scale summing on z for manual quill feed

Posted: Tue Nov 29, 2022 3:59 pm
by gttool
Just starting on an Acorn six conversion and wondering if it is actually possible to run a scale on the quill that sums with the z servo , if so would it be treated as a separate axis and also need a home position?

Re: Bed mill servo and scale summing on z for manual quill feed

Posted: Tue Nov 29, 2022 5:27 pm
by cnckeith
yes Z axis summing is a feature of AcornSix. use the CNC12 parameters to set it up.
its been a centroid feature all the way back to the CNC7 days, so here is the document that describes how to set it up.
https://www.centroidcnc.com/dealersuppo ... ds/131.pdf
and reference the mill operator manual as well. starting on page 296
https://www.centroidcnc.com/centroid_di ... -v4.20.pdf
we will add this into the Wizard at some point to make thing a bit more user friendly to setup but for now you'll have to use the CNC12 parameters/config menus to setup.

Re: Bed mill servo and scale summing on z for manual quill feed

Posted: Wed Nov 30, 2022 6:38 am
by gttool
Awesome thanks Keith
this works like any other axis , and should have a home switch ?

Re: Bed mill servo and scale summing on z for manual quill feed

Posted: Wed Nov 30, 2022 6:53 am
by suntravel
gttool wrote: Wed Nov 30, 2022 6:38 am Awesome thanks Keith
this works like any other axis , and should have a home switch ?
M26/Z sets Z home.
M26/M sets M (quill) home.
M26/Z/M sets home for both Z and M.

Sure you need a home switch on any linear axis.

Uwe

Re: Bed mill servo and scale summing on z for manual quill feed

Posted: Wed Nov 30, 2022 1:23 pm
by cncsnw
A manual quill scale does not need a home switch.

Generally, home is set where it sits at power-up, which is presumed to be the top hard stop.

Re: Bed mill servo and scale summing on z for manual quill feed

Posted: Wed Nov 30, 2022 4:39 pm
by suntravel
Ups, did not notice the manual quill, and overlooked that M26 needs no switch.....

... should wear the hat of shame for a day :lol:

Uwe

Re: Bed mill servo and scale summing on z for manual quill feed

Posted: Thu Dec 01, 2022 5:55 am
by gttool
don't think that's necessary Uwe
I think we all take our hats off to your abilities