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How flat can milled components be held?

April 26, 2017components flat held milled

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How flat can milled components be held?

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The answer depends on the component and material selected. For high flatness requirements with a symmetrical component and stable material, flatness can reach 0.002″ over a 4″ x 4″ piece. Some components though, with a lot of machining only on one side and a softer material, can severely curl. Alternating cuts with heat treatment may reduce the problem.