Industrial CNC

Industrial CNC

Postby Mike La » Fri Dec 16, 2016 4:06 pm

I have an Industrial CNC machine and the collet nut is jammed, thinking that it's galled. Before putting a bigger wrench on it does anyone have any suggestions? I went out to the CNC site but it appears to be down. Did add some WD-40.
Thanks,
Mike
Mike La
 
Posts: 1
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Model of CNC Machine: Industrial 404

Re: Industrial CNC

Postby Willbur » Fri Dec 16, 2016 9:59 pm

Mike,
do not put a wrench to it
I had the same thing happen to my spindle,
what I did was cut the nut off with a dremel tool cut both flats to major dia.
of spindle threads then take a small chisel have someone hold a block
of wood behind and you tap it until it cracks apart, you might use a wrench
to hold it steady while tapping the groove you cut into nut,
after removing nut you will have to clean out the cross threads,
last and important is to brush out all the threads that are smashed into the spindle threads
I used a fine file to restore the thread profile, order new nut put some oil on
it before screwing onto spindle, it will take some time to do it right.
Willbur
 
Posts: 5
Joined: Wed Aug 17, 2011 3:03 am
Model of CNC Machine: CNC Router

Re: Industrial CNC

Postby garylmast » Sat Dec 17, 2016 1:20 pm

I second what Wilbur said. I forced the nut and ended up cross threading the Spindle and had to replace it. It was cheaper to replace the Spindle then have it fixed. Gary
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