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锻压镁合金材料端面高速铣削过程中切削力特征规律分析 被引量:3

Factorial Study on Characteristics of Magnesium Alloy in High-speed Face-milling Process
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摘要 在切削速度471~2356m/min内,综合应用析因试验设计与均匀试验设计,对镁合金进行了高速铣削试验。在分析其切削力特征规律的基础上,建立了高速切削难加工材料工艺中切削力与背吃刀量、每齿进给量和切削速度之间的数学模型。试验结果表明高速切削镁合金材料时,切削速度和每齿进给量之间的交互作用对切削力有显著影响;切削力与切削用量间存在非线性特征规律;切削用量对切削力的影响效应随切削用量的变化而发生改变。 In high-speed cutting condition, cutting velocity from 471 m/min to 2 356 m/min, factorials design and uniform design were applied to the high-speed milling experiments of magnesium alloy. The characteristics of this material in high-speed cutting process were analyzed and a nonlinear mathematical model of the relationship between cutting force and depth of cut, feed per tooth, cutting velocity was proposed. Experiments indicate that, under the high-speed cutting condition, the interaction of cutting velocity and feed per tooth is one of statistic significant effects on cutting force; the relationship between cutting force and cutting parameter is nonlinear and the effect of one cutting parameter on cutting force is sensitive to the choice of other cutting parameters.
出处 《兵工学报》 EI CAS CSCD 北大核心 2005年第4期540-544,共5页 Acta Armamentarii
基金 国家基础共性研究基金项目(41318.1.2.2)
关键词 机械制造工艺与设备 镁合金 高速切削 均匀设计 切削力 高斯-牛顿法 非线性建模 technology and equipment of machine building magnesium alloy high-speed machining uniform design cutting force Gauss- Newton method nonlinear modeling
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