very big mobile base

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Forum topic by MNWOODWORKER posted 04-02-2009 09:07 AM 1168 views 0 times favorited 1 reply Add to Favorites Watch
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105 posts in 3005 days

04-02-2009 09:07 AM

I am going to build a torsion box base for my table saw. I have a Steel City cabinet saw with the 52”rip and want to build a mobile platform for under it and about 24” deeper than the saw for out feed table-cabinet. I plan on building a torsion box with 1 1/4 laminated grid pieces sandwiched between 2 3/4 sheets of plywood and I haven’t done the math to see what my spacing for the grid squares would be yet since this is still just in my head. The saw is about 480 lbs and by the time you add the base, cabinets under the fence on both sides of the saws cabinet, and across the whole back of the saw, along with the contents there is going to be some serious weight. The unit would only be moved a few times a year due bad weather to get a vehicle in. What the ? is do you think it would work to have the heavy duty casters that are rated at combined weight of 1500 lbs at one end and use a wheeled lever dolley at the other to lift and steer. I did one while back for an about 850 lbs unit. I would like to stay away from casters at both ends and just lock them, I want to have base trim all the way around just a 1/2” off the ground to give it more of a funiture look. I also want to have a frame under the unit that puts a large footprint right on the floor for added stability. I know I could go with separate cabinets on casters and roll them under and around, but that would be to easy. I like having the whole system all in 1 and the challenge. I also want the saw higher off the ground anyway. You can buy mobile base systems for up to 1200 lbs that are a lot flimsier and make it impossible to add the storage cabinets and out feed, and it would cost a lot more as well. The other thing is that I know it works to have 2 straight casters at one end and steer at the other end, but if I do 3 casters at the one end and have 2 straight and the middle one swivel that should be alright shouldn’t it?? I know some of you are going to think I am a bit crazy and you are probably right, but when you get something in your head sometimes you just have to go for it.

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880 posts in 2946 days

#1 posted 04-02-2009 01:57 PM

There was an article in a woodworking magazina a few years ago where they made a hinged part on the sides of the table that had the casters on it. When the table needed to be moved, the hinged base was lowered down. That way the bench was not resting on them unless it was being moved, and therefore was much sturdier than if it was on wheels. Even though you might get locking wheels, the table might not be secure enough, and if it’s only going to be moved once or twice, I would go the other route.

-- Julian, Park Forest, IL

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