Help with welding table

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I got my plates cut for my "small" welding table today, but the shears left them with a slight bend in them.They are ¼"x6"x31½How do I straighten them(I do not have any big tools or O/A system)?I tried driving over them with the car with front on a block but the car is bit light.Thanks in advance
Reply:are you doing precision work where everything must be flat?my first thought would be to attach, then clamp down with C clamps to get the bow out of them. 1/4"x6" isn't so big you shouldn't be able to clamp it down with decent C clamps.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:Originally Posted by ThorsHammerare you doing precision work where everything must be flat?my first thought would be to attach, then clamp down with C clamps to get the bow out of them. 1/4"x6" isn't so big you shouldn't be able to clamp it down with decent C clamps.
Reply:I have a 2ton trolly jack will it work if I weld a jig for it and use the jack to straighten it?
Reply:Don't straighten them now, just build your frame and bolt them down.  Shim/use the bolts to pull the bow out.  Easy.  You're wasting your time trying to straighten them all beforehand.  I have a solid 5/8" top on my table that was out about 1/16" even after grinding and still needed to be pulled flat.
Reply:Originally Posted by kazlxDon't straighten them now, just build your frame and bolt them down.  Shim/use the bolts to pull the bow out.  Easy.
Reply:It will be easier to add one and space the plates up if you need clearance that it will be to straighten the plates out....just sayin'....Just add a support across the middle.  Then buy something like 1/2" square bar, cut to 5 or 6" to space your plates (both ends and the middle).  Drill and tap two holes in each one and then drill corresponding holes in your plates and bolt them down.  Plus, if you ever want to remove them, it's easy.  Or, if you are hell bent on straightening them, go buy a HF press for $150.
Reply:Originally Posted by kazlxDon't straighten them now, just build your frame and bolt them down.  Shim/use the bolts to pull the bow out.  Easy.  You're wasting your time trying to straighten them all beforehand.  I have a solid 5/8" top on my table that was out about 1/16" even after grinding and still needed to be pulled flat.
Reply:I would drill and tap the supports, then through drill and countersink your plates.  Use the bolts to pull the top flat.
Reply:I'm in Ireland no HF here I'm sure I can alter the design to have a center support and pull them down.
Reply:I'm sure there is a store similar to HF across the pond.A little tweak in the design isn't going to hurt anything, and would be stronger, and heavier to boot. both good things for work tables.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:Or just use a jig and your bottle jack, not that different from a press, you could build a simple press for it fairly easily.Sent from my iPhone using TapatalkSqWave 200Millermatic 190Airco 200 ACHypertherm PM45Boice-Crane Band SawVictor O/A