Getting bits out of water-cooled spindle

Questions/answers/discussion about initial setup of your CNC Shark

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Getting bits out of water-cooled spindle

Postby TD On The Hill » Sat Jul 28, 2018 2:25 pm

Hi friends,

Any secrets to removing bits from the spindle? I loosen the collet, but the internal part stays tight. I'm using the correct collet insert, 1/4" for 1/4" bits. Getting the bit out tends to require more encouragement (with more accidental finger slices) than I'd like. I want to avoid marring any surfaces, and I also want to avoid moving the spindle out of position during bit changes. Other than using gloves and prying it out with other tools, does anyone have a good method? Has anyone else experience this?

Thanks!

I'm using the Shark HD4 extended with water-cooled spindle.
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Re: Getting bits out of water-cooled spindle

Postby Barry Anderson » Sat Jul 28, 2018 10:03 pm

When I first got my water cooled spindle from NWA, I had the same problem. I would have to force the bits out. I wound up buying another collett. It has made life much easier. Still use the original one from time to time.
Barry Anderson
Anderson Custom Woodwork, Inc.
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Re: Getting bits out of water-cooled spindle

Postby henry raymond » Mon Aug 06, 2018 7:07 am

I am having the same issue.
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Re: Getting bits out of water-cooled spindle

Postby TD On The Hill » Tue Aug 14, 2018 8:17 pm

I will be buying another collet. Which one did you buy?

My workaround: I noticed when taking the tightening nut off, that the collet seems to sit at a slight angle. Some gentle tapping on the shaft of the bit on the high side (the part of the collet that is further into spindle) helps it release.

Thanks!
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Re: Getting bits out of water-cooled spindle

Postby Barry Anderson » Wed Aug 15, 2018 8:42 am

It has been a couple of years so I can't remember I ordered it through my local woodworking tool/supply store.
Barry Anderson
Anderson Custom Woodwork, Inc.
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Re: Getting bits out of water-cooled spindle

Postby rbuckner » Wed Aug 29, 2018 7:54 pm

already a very helpful group. I was about to post this question
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Re: Getting bits out of water-cooled spindle

Postby Queueyou » Wed Sep 19, 2018 7:19 am

I found that the collet that was installed in the spindle LOOKED like it was a 1/4 inch, but it was not. Yes you can fight and get a 1/4" in there, but inside the box with the spindle was a 1/8 and a 1/4 labelled in tiny little boxes. I changed to the one labelled 1/4" and my bits now fit exactly like they should with zero issue. The one that was in there originally looked right, but when comparing to the 1/4", it seems a little thicker on the metal.
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