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| Top 10 mods for Mini lathe please ? |
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| hanermo:
When I was actively using the 7x ... I put a 125 mm chuck, 4 jaw, 5", on it and never took it off. Electronics and frame are not the issue at all. Std bearings can take a 1000 kgf load, radially or vertically. Thats how metal lathes must work. The 7x was too small for me.. but was an excellent learning platform at low cost. |
| hanermo:
Btw ... fwiw ... as a funny anecdote ... I know (he taught me a lot) the guy(s) (Mi***n who designed the HAAS St lathe series. He put in the 800 kg steel bar, and then pushed the button to deliberately crash the lathe at 3000 rpm. And ran for his life. It was a test to validate safety, that nothing comes through the enclosure. Nothing did, enclosure was bulged. Video is restricted IP, I donīt have a copy, and could not post it if I had it. The chuck, tools, stuff was destroyed. Lathe was fine. Same lathe was still running in production 12+ hours / day, some years later. Have seen it, myself. A heavy piece running high rpm has huge potential energy. My ex-workplace, had a client with a mistake on a lathe with heavy workpiece. After it perforated the roof above, it lodged into the next floors ceiling (no injuries). |
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