Adjustable Coupon Fixture

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I needed a way to hold my material to practice my welding.  I made this to be used with a 3/4" pipe clamp so I could attach it to my bench easily. All the parts are made of 1018. I welded .750" dia. Stubs to the clamping tubes and drilled and tapped them 3/8-16. And made T-bolts with s.h.c.s. and 5/16" rod. I am able to clamp a piece of .750" material in this fixture. What do you guys think? Attached ImagesBrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:Looks good. The ones we had in school were just c clamps welded to the arm. Of course they were beat. Sometimes they held sometimes not so much.... The slag was the least of your worries welding overhead. I don't see anything slipping out of that- Christian M.C3 Welding & Fabrication - CNC Plasma Cutting-Mobile Welding-Custom welding and fabwww.c3welding.com
Reply:Nice work. You will get good at welding in any position now with easy setup time. I wanted to make 1 of these to
Reply:What about doing round pipe tho?
Reply:Thanks Motolife!I was only concerned about flat welds for now. I may play around with pipe later but really don't see myself welding much pipe.  I do want to practice pipe welding down the road so I am atleast familiar with it if a job comes my way. I can make another clamping attachment to hold pipe and just slide it on when needed. You guys have any pictures of how pipe is held for a certification test?BrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:Originally Posted by melsdadI needed a way to hold my material to practice my welding.  I made this to be used with a 3/4" pipe clamp so I could attach it to my bench easily. All the parts are made of 1018. I welded .750" dia. Stubs to the clamping tubes and drilled and tapped them 3/8-16. And made T-bolts with s.h.c.s. and 5/16" rod. I am able to clamp a piece of .750" material in this fixture. What do you guys think?
Reply:jodys the man!!!!!
Reply:Originally Posted by motolife313jodys the man!!!!!
Reply:I think the pipe has to be at a 45 degree angle and you can't turn it. Not 100% sure on that tho
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Reply:Just giving you ideas bro
Reply:Originally Posted by motolife313Just giving you ideas bro
Reply:Ya you could just make some of these attachments and add the to your frame. How long have you been welding for? What kind of work do you do on your mill?
Reply:I got my welder in September, Joined here and have been learning ever since. As far as the mill. I have had that machine about a year. and have made many things so far. Mostly shop fixtures and things. I just did my first paying job last week. No gunsmith would touch this job for this guy. I inletted this bottom metal into his stock so he could use magazines. First I had to weld and machine a fixture to mount the stock to. then do the work.I am working on a target sight for my daughters compound bow also.BrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:Here is what I have complete so far Attached ImagesBrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:Congrats on the first customer! Looks like you do precision work. Are you planing on getting a tig welder? I'm guessing the last pic is pretty small?
Reply:Yes a scratch start set-up is in the very near future.  I do plan on a dedicated TIG machine capable of aluminum work in the future. Ya the clamp arm in that picture is made of .375" material and is 9" long.BrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:This is my latest go at a practice / test stand.   If I ever build another one there's a few things in that Triangle Engineering built one that I'll probably incorporate.
Reply:Originally Posted by melsdadYes a scratch start set-up is in the very near future.  I do plan on a dedicated TIG machine capable of aluminum work in the future. Ya the clamp arm in that picture is made of .375" material and is 9" long.
Reply:That's a nice stand ht2. Did u just drill holes in the pipe to bolt them on?Last edited by motolife313; 12-15-2014 at 02:01 PM.
Reply:Hey melsdad I'm going to make one of these tomorrow. I was wondering if your shakes around at all while welding from the heat? Was thinking it will and maybe I would have to ratchet strap the top to somthing solid
Reply:It didn't seem to move at all while welding.  It move some chipping slag with a hammer though.BrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:That stand looks good man!