圆柱壳体内表面螺旋槽切削时刀具几何参数和切削速度对成形力的依赖性影响研究

V. Kuc, D. Gridin
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引用次数: 0

摘要

研究了刀具几何参数对内槽切削成形力的依赖影响。为了实现螺旋槽加工研究,采用了基于有限元法和计算机数学系统的软件综合体。通过研究,得到了一个回归方程,该方程显示了在设定的因素参数范围内,影响因素对落在刀具单齿上的轴向力的依赖关系。本文的科学新颖之处在于,本文考虑了一种螺旋槽切削的新方法,该方法以牺牲刀具与坯料自由切削的接触相互作用为代价进行成形运动。所获得的调查结果可用于确定同时工作的齿数,可进一步用于切削模式设置,也可作为设计刀具设计时的建议。
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INVESTIGATION OF DEPENDENCE IMPACT OF TOOL GEOMETRICAL PARAMETERS AND CUTTING SPEED UPON SHAPING EFFORT AT HELICAL GROOVE CUTTING ON INTERNAL SURFACE OF CYLINDRICAL SHELL
The work purpose was the investigation of dependence impact of tool geometrical parameters upon shaping effort during internal groove cutting. As a realization for the fulfillment of the helical groove processing investigation there was used a software complex based on a finite element method and a computer mathematic system. As a result of the investigations carried out there was obtained a regression equation manifesting the dependence of factors impact upon axial force falling on one tooth of the tool in the set scale of factor parameters. The scientific novelty consists in that in the paper there is considered a new method for helical groove cutting in which a shaping motion is carried out at the expense of the contact interaction of a tool and a billet performing free cutting. The investigation results obtained allowed determining the number of teeth operating simultaneously, that can be used further at cutting mode setting, and also as recommendations during designing tool design.
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