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| awemawson:
Without drilling holes in your tool block, you can prove the point with a small machinists jack placed between the holder and the top slide. Nip it up and try the difference. If you don't have a small enough one use the old trick of a suitably sized nut, bolt and lock nut. |
| Meldonmech:
Hi Eugene, restoring machinery is an interesting and rewarding activity. You appear to be on the right track, Good Luck Cheers David |
| John Hill:
I made a Norman style tool holder for a Grayson lathe I have and it works well but I am sceptical that the adjusting screw contributes anything much to rigidity. The problem is that to be truly effective the adjusting screw would have to be under or very close to the tool holding passage which is not easy to arrange. I really doubt there would be room to fit any sort of screw jack under the tool holder. But the adjusting screw does make setting the tool height a piece of cake, adjusting screw and an easy to use gauge. |
| vtsteam:
Sorry you;re skeptical, John but that's out of my control. It's a demonstrable fact here, I'd post photos but I'm getting tired of trying to convince people things any more. I've lost the energy for it. |
| Fergus OMore:
Agreed about photos because unless your expectancy of model engineering NEEDS pretty pictures, few will get very far. I recall doing a City and Guilds in Motor Vehical Repair and no one posted pretty pics but had to list -like a knitting pattern precisely what was done and intended. If one cannot read a drawing - tough. As far as the old Myford is concerned, restoration really follows a traditional path of getting a flat base from the probably undulating one from a lifetime of service. At some point, the book says that it should be machined and then scraped or ground. All my restorations started with a Blancharding to get a set of reference tools. Blancharding is cheap, not the worlds best or most accurate but may cost under 50 pounds. Really the tooling mentioned about archaic tool holders etc is- more than dated and I would suggest that both George Thomas and ' Martin Cleeve' have published vastly better stuff. Even if fabricated from steel blocks. There is a vast amount of constructive detail in ME and MEW. Enough for my struggles on a German Keyboard in the Austrian Alps Norman |
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