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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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Charles A. Sherwood wrote: I have been looking at diacro manual benders. THey come in sizes 1,1A,2,3,4 These benders are expensive new and even seem to fetch a good price on ebay. It would be nice to have one, but its hard to justify the price for something I would not use very often. Anybody ever make a simple version of one? They look simple enough. See diacro.com under manual benders for pics if you are not familar with them. Micro mark sells something the looks similar that might be a good starting point. I have a Chicago 38" finger brake. It weighs about 400 Lbs. The construction is absolutely incredible, the brake beam is a 2x4 of solid steel welded to a bar. I had to take it apart to get it out of my car, and it took a couple of strong guys to lift the beam back into place! What is amazing is this thing, for all the MASSIVE construction, still has trouble bending some pretty light pieces of aluminum and really thin steel! Throwing a couple of pieces of light steel angle together is NOT going to make much of a tool. Jon |
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need plans for bender
I have been looking at diacro manual benders.
THey come in sizes 1,1A,2,3,4 These benders are expensive new and even seem to fetch a good price on ebay. It would be nice to have one, but its hard to justify the price for something I would not use very often. Anybody ever make a simple version of one? They look simple enough. See diacro.com under manual benders for pics if you are not familar with them. Micro mark sells something the looks similar that might be a good starting point. chuck |
#3
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In article ,
Jon Elson wrote: Charles A. Sherwood wrote: I have been looking at diacro manual benders. THey come in sizes 1,1A,2,3,4 These benders are expensive new and even seem to fetch a good price on ebay. It would be nice to have one, but its hard to justify the price for something I would not use very often. Anybody ever make a simple version of one? They look simple enough. See diacro.com under manual benders for pics if you are not familar with them. [ ... ] I have a Chicago 38" finger brake. It weighs about 400 Lbs. The construction is absolutely incredible, the brake beam is a 2x4 of solid steel welded to a bar. I had to take it apart to get it out of my car, and it took a couple of strong guys to lift the beam back into place! What is amazing is this thing, for all the MASSIVE construction, still has trouble bending some pretty light pieces of aluminum and really thin steel! Throwing a couple of pieces of light steel angle together is NOT going to make much of a tool. Just for comparison, I have a DiAcro 24" brake, which weighs 325 pounds (according to the web page, but it seems to weigh more), and the 36" one weighs in at 470 pounds. There is a *lot* of cast iron in this thing, and a lot of steel as well. The moving part (which accomplishes the bends) is a 1/2" steel plate about nine or ten inches from edge to edge (and, of course, 24" wide). It is applied edge-on to the workpiece -- the maximum strength orientation. There is also a length of angle-iron bolted to the working edge, to keep it from bending sideways as the load is applied. The DiAcro uses large diameter needle roller bearings in several locations. Something like 1-1/2" diameter in one place, with needles probably 0.100" diameter at a guess. It is downstairs, and it has been a while since I partially disassembled it to get it up onto the workbench. So -- yes, you *could* build your own, but it would help to have an iron foundry to make the various rather massive parts. Good Luck, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
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http://www.metalworking.com/dropbox/_1998_retired_files
See brake1.txt and the associated jpgs. JR Dweller in the cellar Charles A. Sherwood wrote: I have been looking at diacro manual benders. THey come in sizes 1,1A,2,3,4 These benders are expensive new and even seem to fetch a good price on ebay. It would be nice to have one, but its hard to justify the price for something I would not use very often. Anybody ever make a simple version of one? They look simple enough. See diacro.com under manual benders for pics if you are not familar with them. Micro mark sells something the looks similar that might be a good starting point. chuck -- -------------------------------------------------------------- Home Page: http://www.seanet.com/~jasonrnorth If you're not the lead dog, the view never changes Doubt yourself, and the real world will eat you alive The world doesn't revolve around you, it revolves around me No skeletons in the closet; just decomposing corpses -------------------------------------------------------------- Dependence is Vulnerability: -------------------------------------------------------------- "Open the Pod Bay Doors please, Hal" "I'm sorry, Dave, I'm afraid I can't do that.." |
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I have been looking at diacro manual benders.
THey come in sizes 1,1A,2,3,4 I have a Chicago 38" finger brake. It weighs about 400 Lbs. The construction is absolutely incredible, Throwing a couple of pieces of light steel angle together is NOT going to make much of a tool. These benders are NOT brakes. |
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