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| Tiny Vertical Based On G. Britnell's Design |
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| sbwhart:
Thanks for your interest and comments Chaps Just a short update not a lot of progress over the festive season:- Hope you all had a good one. The parts are getting smaller and more tricky to make, I thought I'd met my limit with the small spacers for the reversing gear they have a 1mm bore and are 2mm dia and are 1.25 thick or .3 thick depending where they are assembled, the trouble was with my thinnest 1/16" parting tool it just had a too big of a pressure front causing the bar to bend, then my weird brain kicked into over drive, I have this strange knack of seeing or reading about something and filing it away in the "that may be useful one day draw", and retrieving it years later. I recollect reading some ware, I think it may have been one of Georges post of using a thin slitting saw as a parting tool for small parts. I have a fair collection of thin slitting saws so it was a quick rummage in the scrap box and produced this strange looking thing. What you are doing is using a single tooth as the parting blade the one I'm using is .3mm thick as it blunts you just index it round to start on a new sharp tooth Worked like a dream. Cheers Stew |
| vtsteam:
Filed away, likewise, now! :clap: :beer: |
| Meldonmech:
Hi Stew, like your use of slitting saws for parting off. I have quite a number these saws, and now must make an appropriate tool holder. Some are 1" bore and some smaller around 5/8" bore, down to about 1/4". The smallest threads I have cut, male and female have been 12 BA with only finger pressure being required . Small machining is a different world hope my eyes last out. Cheers David |
| Will_D:
I have always had a lust for a tool post grinder! Not going to happen tho' Thoughts are now moving to mount a dremmel/proxxon or similar on the tool post and use that as a high speed grinder (for SMALL jobs) For you application you could just mount a cut-off disc or small saw blade? |
| Stilldrillin:
Thanks Stew! That's a crackin' idea, for the unused slitting saws in my toolbox....... :thumbup: David D |
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