Advantages of high-speed milling

High-speed milling (HSM) used for machining molds is a machining technology that allows for obtaining high dimensional accuracy by moving a small tool with a special shape at a high speed. A comparison between electric discharge machining (EDM) and high-speed machining shows that EDM has a dimensional error of no less than 0.005 mm, while HSM has a dimensional error of no larger than 0.002. HSM requires neither coolant nor lubricating oil since the generated heat is low and the oxidized chip has a lubricating effect.
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