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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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I am almost finished rebuilding a Dumore series 44 TPG. Now I need help on
how best to operate it. For test grinding the material will be 4140 unhardened, if that works then I have some MT 2 and 3 centers to resurface. What type of stone will be suitable for these materials? How important is the SFPM of the work piece, does this have much impact on the surface finish? The motor bearings have been replaced but not the spindle bearings, does anyone here have experience replacing these? Thanks for any and all help Jack |
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