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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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Interrupted lathe cuts -- Technique?
I'm using manual Sherline lathe and have never been comfortable with turning
down rectangular stock. Now I need to turn to a round 3" of a 2" square piece of Fortal aluminum. This requires riser blocks all the way around on the Lathe (to clear the slide but decreasing stiffness) and work holding in a 3.1" independant 4 jaw chuck with jaws reversed. The grip area for the chuck in this configuration is quite small which adds to my discomfort (I will be using a tailstock center). Can someone give me some general or specific advice on such operations: Is this as hard on the equipment as it sounds and feels? Best tool to use -- HSS, braised carbide, inserts, normal rake, etc.? Speed, feed, cut, etc.? General advice or techniques? Thanks in advance. Greg |
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