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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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Punching Holes in Sheetmetal
You can buy punches from Roper Whitney in lots of shapes but they will be
$40-100+ per set of punch and die so it will get expensive fast, and then you need a press with enough force and enough throat for the size of your sheet. You could use Greenlee style punches, where you drill a pilot hole and use a bolt to pull the punch into the die, but they make the Roper Whitney stuff look cheap :-). If your sheet metal is thin enough, can you use a RotoZip type tool? Won't get square corners without filing or a nibbler, but it should cut fast and you can set up a guide template to get accurate and repeatable cutouts. ----- Regards, Carl Ijames "Steve B" wrote in message . .. My wife wants me to make some sconce lights out of sheets of sheet metal. I can get paintlock of various thicknesses, but some is rather thick for hand punching. I want to punch squares or rectangles to get a stairstep southwest Indian design type of thing, or variations on that theme. Are there any punches made in a type that has a punch and a matching backup to help cut the design? I want to do these myself with a hammer, or perhaps there is something available that is run by air or hydraulic? Something that won't cost an arm and a leg, and punch different shapes of holes, squares, diamonds, rectangles, mostly about 1" max dimension in any direction, with the holes being smaller, and they could be drilled. TIA Steve Heart surgery pending? www.cabgbypasssurgery.com Heart Surgery Survival Guide |
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