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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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Removing Slot Gib Screws
Spent a couple of hours with my almost civil war patented horizontal mill yesterday. Somebody has to take it apart, just seems like it is always me that has to do this kind of stuff. The gib screws are .6" X 2" with single slots that are wallowed to the point of looking like snow angle's wings. I got 4 out of 10 out and pounded on them with a 3/16" flat round ended punch counter clock wise. When I started typing I thought of welding a tire iron slotted end... don't have 6 of them. I really don't want to have welding marks on the machine cause I can never see well enough. Nuts may work, but will be worried that I'll weld the screws to the machine, the way I weld ! I use to have to get allen screws out of crankshafts and am pretty good with drills and easy outs. Never did fail on a crank. But, having trouble foreseeing a drill bit against a slot wallowed bigger on each side than the middle. Couldn't remember if HHS shatters like carbide, that didn't take long. The fast and dirty chisel cut a couple of times till it shattered. Got some funny dressed drill bit/mill bits from Mr. GD that I'm not sure what they are for. 90 degree step so I guess putting counter sinks with. Couldn't find them just a second ago, but know they are there. Maybe those and then to a real HHS american made step drill? The step bit won't do it alone. Or maybe dressing a chosen drill bit to looking like a large pencil point? I don't own any small metal chisels and don't want to destroy a punch, but that might work, to chisel the remaining sides to drill without total chaos. I read all the recent posst about auto stuck studs, what else is missing. I can borrow a die grinder, but don't have a sharp bit. SW |
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