Considering the features of multi-edges and helix flutes for end milling, a cutting force discrete model base on single point cutting tools model was built.
根据单点切削力模型，考虑平头立铣刀多刃和具有螺旋角的特点，建立了铣削力离散模型。
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This article introduces a means of nc program about rough cut of helicoid base on helix-milling. The means can improve efficiency of cutting, reduce the cutting abrasion, depress the operating costs.