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Lever collet closer problem

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Gavlar26/07/2021 07:54:34
79 forum posts
4 photos

I've have a lever collet closer and collets that I will never use. (I have ER collets and holders for everything!)

I thought I'd check it out before passing it on so mounted it on my AUD.

Everything looks ok and moves freely but the collet doesn't close and I can't work out why. The fulcrum is anchored and the lever moves freely but I can't see what it's supposed to move to close the collet.

I strongly suspect user error!!

I've uploaded an album with photos.

model-engineer.co.uk/forums/new_thread.asp?t=162

Thanks for any advice, Gavin.

 

Edited By Gavlar on 26/07/2021 07:55:16

Gavlar26/07/2021 13:21:16
79 forum posts
4 photos

Cracked it, user error as I suspected.

Clive Foster26/07/2021 15:26:44
2815 forum posts
101 photos

Gavlar

What were you doing wrong?

I have a similar device that I might actually get round to using one day. Be nice to know how to set it up to close. Looking at It I don't properly see how it all goes. One reason why I've stuck to the screw tube operated by a handwheel at the back system.

Clive

Gavlar28/07/2021 06:32:01
79 forum posts
4 photos

I was expecting too much movement in the collet. I assumed the lever would take the collet through it's full range, which with Burnerd collets is around 120 thou. The lever only closes the collet the last few thou so I couldn't see it. Simply placing the workpiece in the collet, tightening it by hand then backing of a half turn, allowed the lever to do the rest.

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