Member postings for john naylor 1

PS the nut was puchased separately.

I have looked at all the postings regarding collet hoders.

This is what did.I purchased a piece of 2 1/2" dia round bar,gripped in a 3 jaw chuck and machined the 1.5 x 8 tpi thread to fit the headstock knurled the O/D and rough bored it and then drilled two transverse hole to accomodate a tommy bar .Screwed this on the headstock spindle and did the rest of the machining in situ on the headstock.TRO is about 0.001.I got a detailed drawing for the internal dimensions and taper from a web site which I cannot find now.This item was for an ER32 collet holder.

Edited By john naylor 1 on 06/03/2017 13:19:28

Had my Warco Mini mill for about 6 years now.during which time the only problems were plastic gear breakages.(twice).I sourced the metal gears from USA (dont remember where)and at the same time replaced the angular contact spindle bearings whith taper Roller bearings and made a new spindle lock pin with a spring return.The bearings were be fitted with no modifications to the machine and now I have the confidence to take heavier cuts without the fear of breaking gears. A friend of mine has built me a box of electronics for a power traverse.I supplied him with a 220V/12v transformer(10 amps) and a 12v DC (8amp) geared motor(120rpm output) this motor looks like a heavy duty windscreen wiper jobby,He did the rest.Now I have forward and reverse variable speed control with adjustable limit switches and a fast return switch which makes machining long items a breeze.I will post some photos when I can.