Abstract
The work analyzed the elements of high-speed cutting on hardened steel with hierarchy analysis method, studying the relational structure characteristics of control variables and performance indicators in high-speed cutting. And the hierarchy of evaluation indicator in high-speed cutting of hardened steel was proposed. Besides, the morphology, controlling flow of machined surface, was studied in high-speed cutting of hardened steel, proposing the criterion for surface roughness and surface texture and developing the methods of morphology prediction and control on machined surface. Then, validation experiments were conducted on hardened-steel dies of typical automotive panel to evaluate the accuracy and applicability of morphology forecasting and control methods.
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