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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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#1
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Subplates again....
What's that Lassie? You say that PrecisionmachinisT fell down the old
rec.crafts.metalworking mine and will die if we don't mount a rescue by Wed, 4 Aug 2010 09:57:28 -0700: Holes fill with chips and are a pain in the ass to clean out etc, so suggest dont put any more holes in than is absolutely needed--instead, decide on a basic pattern for the sub plate and then modify /fab your FIXTURES to match Damn right. Especially steel chips. Where I work, they use a grid of 1/2-13 holes in AL plate. Milled flat in place, and drilled and tapped for helicoils. The I have to make brass plugs that are slightly tapped to plug them off flush with the plate. As needed they will add the helicoil inserts. Then I have to make up a bunch of plugs for 1/2-13 that will cover the one turn of helicoil thread while going into the 1/2-13 thread. When the plate gets worn or dinged, they fly cut .010-.020 off the top (plugs and all) to true it up again. -- Dan H. northshore MA. |
#2
Posted to rec.crafts.metalworking
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Subplates again....
What's that Lassie? You say that dan fell down the old
rec.crafts.metalworking mine and will die if we don't mount a rescue by Wed, 04 Aug 2010 22:30:31 GMT: The I have to make brass plugs that are slightly tapped to plug them off flush with the plate. That's tapered plugs. Not tapped. -- Dan H. northshore MA. |
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