The Constraint Conditions for Free-Cutting Tool Design
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In this Chapter, distinguishing experiments were performed, so as to verify which of the rakes: the rake in the direction of chip-ejection γ ψ , edge normal rake γ n or orthogonal rake γ o is the basic parameter determining cutting state and machining effect. From the experimental results, a constraint condition to the designing free-cutting tools will be drawn forth. Together with the basic law of free-cutting tool design presented in last chapter, they will lay foundation for the design and optimization of free-cutting tools. On the basis of these achievements, a new round development of free-cutting cemented carbide inserts was performed and their superiority will be experimentally verified.