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本文从最简单的二元直角切削模型出发,根据理论、实验和经验三方面的综合,逐步建立了普通麻花钻钻削灰铸铁的钻削力数学模型。模型包含了钻头几何参数、切削用量、工作材料及钻头磨损各方面的因素,并经实验验证,证明其理论值与实验值基本吻合。
Based on the simplest bivariate rectangular cutting model, this paper, based on the combination of theory, experiment and experience, gradually established the mathematical model of drilling force of ordinary twist drill gray cast iron. The model contains the parameters of the drill bit geometry, the cutting amount, the working material and the wear of the drill bit. The experimental results show that the theoretical and experimental values are in good agreement.