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  #31  
Old 01-22-2006, 04:48 PM
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The coil rod I looked at was high tensile stuff. 140,000 tensile stress, 120,000 yeild stress, with a 25,500# "safe" working shear. Bet it will hold three times that. Tractor Supply had my all thread. Works good enough.
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  #32  
Old 01-22-2006, 10:16 PM
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Don,

You'll see 90% of your design here. All the pipe & screw thread sizes are identical to yours. My stand is taller to use with a 43" high chop saw.

The round knob is a 1 1/4" bearing ball from a large electric motor bearing (500HP to be exact).

To get the leg angle at the top, a Sumner pipe jack was copied. Turned out to be about 60*. The Sumner stand used large washers on the bottom of the legs & I borrowed that idea.
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  #33  
Old 01-23-2006, 12:10 AM
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Nice, Barry. The ball bearing is a great touch. Looking at yours, I believe I had better get mine painted soon.
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  #34  
Old 01-23-2006, 08:53 AM
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Thanks, Don! The ball is TIG'd on with silicon-bronze, as that filler makes a nice transition when there's a large gap to fill.

If you ever need big bearing balls (sounds better than saying "if you ever need big balls"), find a motor repair shop that works on huge motors. They toss the old bearings into a bin for scrap, and will usually give you one or two free for the asking. The inner & outer races are great for circular parallels, used to set up a milling machine.
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  #35  
Old 03-24-2013, 12:40 PM
o7oBaseMetal o7oBaseMetal is offline
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Here is my roller stand similar to the one Sumner has for $140. It cost me almost $20 in material which I got from the remnant pile at a steel yard for a reduced price- the roller in the pile got me excited and I had to build it. The only tools I used were a HF 4 1/2" angle grinder, HF 14" Abrasive Chop Saw, Thermal Arc Fabricator 181i welder, HF tape measure, Tool Shop combination square, a calculator, and a Sharpie marker.
Between drawing the plans, fabbing the parts, tacking, welding, and painting I probably have 9-10 hours in so not exactly worth my time if I had to turn down real work. I can use the tripod design for other stands though so it will save time.
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  #36  
Old 03-24-2013, 07:29 PM
up-ten up-ten is offline
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Default jack stands

nice work all---here is a slightly different one. I keep a couple of these handy. I start to fab on projects and always end up having to raise all the jacks because the last one is too tall. Being lazy and tired of starting over I built a couple of double adjuster pipe stands. I have seen short ones, but never these. I also use set screws instead of bolts, they dig in better. Sch 120 2'' is what I think I used to slip over the 1 1/4 pipe at the top of the legs.1"sch 80 pipe for the top pipe,12''of 7/8''b7 stud fits nicely in the 1'' sch 80 for the jack bolt.
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  #37  
Old 03-28-2013, 11:15 AM
willyfixit willyfixit is offline
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I made a couple of these stands. They use a scaffold level jack like these to adjust the height. A thumbscrew then locks the threads to keep it from turning. I have various attachments for the top depending on the end use.

Willy
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