作者: Ravishankar Iyer , Lewis Ray Morrison
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摘要: A double-sided, nonagon cutting insert includes a top surface, bottom surface identical to the nine side surfaces that are each other, edge formed at an intersection between of and for total eighteen edges, corner radiuses radius extending surfaces. Each has non-symmetric profile with respect central, longitudinal axis. The non-symmetrical technical advantage providing variable force, particularly during fine finishing operations.