links to pix of machinery moving skates I made

As requested, here are my plans (such as they exist) and a couple of quick shots of my machinery skates. These are the width they are because that way
they roll through the door between my main shop bay and the little room off it in the back. Note that such skates always have to be tied together in use. I drilled 3/8" holes in the ends of the beam webs so they can be connected with chain and turnbuckle if I want, but I have never done that - it is very convenient to use the cheap ratcheting web straps, they do an excellent job. There was a tiny amount of slag on some of the welds when they got galvanized, and the zinc didn't cover there so there is a tiny amount of rust, also the "tires" on the casters rust up every winter but I hit them quickly with the power wire brush in the spring and oil them and they stay black all summer.
Note the platforms that the machines sit on are split with a 2" gap in the middle - this is for a pry bar to be inserted to lift up the machine. The platform tops are only 3/4" off the ground. Sometimes on uneven terrain they do bottom out but a little gruntwork usually fixes that. I did zero structural analysis on these but they have moved a 3500 pound lathe without straining. The platforms are 1/4" steel plate. The caster mount plates are pieces of 4" flat bar, and are drilled/tapped for 1/4-28 bolts.
I wish these were a little wider. I could effect more width by using smaller casters on spacers, someday I may do that. If you are in the Seattle area you don't need to make these, come talk to me and you can borrow them. They fit in the trunk of almost any car.
http://tinyisland.com/images/machrollers.pdf
http://tinyisland.com/images/skatesAsUsed.jpg
http://tinyisland.com/images/skateOnBack.jpg
Grant Erwin Kirkland, Washington
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