Electromagnetic Drill Press Vise!

[bainbob]

Geez, way too many errors in this. Welding the laminated cores was a terrible idea. The laminations need to be isolated from each other, otherwise the eddy currents will be huge. The cores should be attached to the top, not the bottom. The top should also be made of laminations so they act as magnetic poles. The amount of power required to operate it would be minimal (as an example my 6x18 surface grinder chuck draws less than 1 amp at 125 volts). If he'd done the slightest bit of research into magnetic chucks he could have done a much better job. Honestly a magnetic chuck on a drill press is a terrible idea anyway (part could come loose and hurt you, plus all the chips will stick in the hole). Clamps are much better. I especially like the vise-grip drill press clamps.