Quick little “just make progress” project tonight, started in on the tube bender cart. I need to use it for the paint booth so now’s the time to get it rolling again. Had this idea in my head for a while - an engine stand inspired cart/stand but more stable. I have a ProTools HB 320 “One Shot” tube bender.
I’ve had mine for many moons. Build many roll cages, bumpers, rock sliders, a considerable number of tube fenders, etc. it’s been sitting for about 15 or so years now and keeps lookin at me when I walk past it. I have a few projects I’d like to use it for, with the most pressing being the Paint booth, so I figure it time to put it back into service. Years ago I had made a simple roll around table for it. This is a pic taken back in my first garage more than 20 years ago now. It worked quite well but was one of those early fab projects which was apparent in the craftsmanship and design.
At some point while I had the business, my partner ditched the rolling table and attached it to a bench. I want the stand to have a very wide base but be able to roll and store easily. Legs will be able to move side to side to establish a more sturdy base which is important when bending longer pieces of larger diameter tubing. A design like this will also help \when in storage mode to be no wider or longer than one of my welders. An additional design feature is the use of side stabilizers (the arm sticking up) with adjustable feet.
The idea of the side stabilizer is used for backhoe stabilization to prevent tipping.
Pre-fab starts easy with the square tube - 2.5” x 3/16 wall. Stabilizers will be 1/8" wall.
Baseplate will be cut out of 3/16 cold finish plate on the plasma table. Drill head on the table will help accurately place the bolt holes and finish drilling is accomplished with the mag drill. In the pic below is a hack I stumbled across at some point. I can open the chip tray on the Fireball Tool welding table and use it to contain all of the cips from the mag drill. It makes for zero cleanup which, if you've ever used a mag drill, is kinda a big deal.
Holes cut with the mag drill are much more precise and dimensionally correct. This will be important to keep the legs tracking correctly when moving side to side.
Mag drill makes quick work of quite a few holes with minimal chamfer and cleanup.
I had ordered fasteners for this project a few weeks back so I'd be ready to go when the urge hit. In the pic you can also see what I'm using for levelers. These are extreme duty machine leveling feet. Overkill for the use case but have an extremely wide foot (about 4") which was the feature that encouraged me to select these particular ones.
Simple fixturing and welding. Bolts and the leg blanks were used for setting it up then removed while the part is cooling.
Good start, more progress hopefully today.