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

Cracked it, user error as I suspected.

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.