Magnetic chucks have awesome down force, but its the shear that gets you, which is entirely a friction issue.
Even on grinders, they are usually set up with a stop in the direction of force, against the friction forces.
Cant see a problem with thin large surface area parts with small cutters, but I've been around awhile and mag-chucks, with Tall levers like your vice, are always a recipe for disaster.
So its a good thing you have extra hold downs on it.
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thanks
Michael T.
"If you don't stand for something, chances are, you'll fall for anything!" |