Re: Ground question on 2.2 kw water cooled spindle
Originally Posted by
cncneon
My 2.2 pin #4 has continuity with nothing. From what I've researched its probably an unconnected ground. Don't want to pull the back off this
rt now so I'm wondering - will I be OK just grounding the spindle case or mount block?
Thanks to all
cncneon
There should be a ground wire in your 4 wire feed to the spindle power, just ground to it. All thats required is you ground to the metal on the spindle. You can not depend on the Z axis being 100% grounded at all times.
Retired Master Electrician, HVAC/R Commercial. FLA Saturn 2 4x4 CNC Router Mach4 Kimber 1911 45ACP