期刊文献+

基于Z-map模型的球头铣刀铣削力建模与仿真 被引量:30

Modeling and Simulation of Ball-end Milling Forces Based on Z-map Model
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摘要 对球头铣刀铣削力建模进行了研究。在Z-map仿真模型的基础上,提出了识别加工中参与切削的切削刃单元的方法,通过考虑刀具偏心和刀具变形对瞬时切削厚度的影响,推导出了瞬时切削厚度的表达式,由铣削力和切削负载之间的关系,建立了球头铣刀三轴铣削力仿真模型。铣削力仿真计算与铣削实验的对比表明在考虑刀具偏心和刀具变形后所建立的铣削力模型能够对铣削力进行准确的预测。 The model of ball-end cutter milling forces is studied. The algorithm to identify the engaging cutting edges is proposed using Z-map simulation model in ball-end milling process. The expression of instantaneous chip thickness is discussed by analyzing the effects of cutter eccentricity and deflection. Then ball-end cutter milling forces simulation model is established on the basis of the relationship between milling force and chip load. At the same time, the simulation results agree well with those obtained from experiments and show that the presented milling forces model considering cutter eccentricity and deflection can predict milling forces correctly.
出处 《航空学报》 EI CAS CSCD 北大核心 2006年第2期347-352,共6页 Acta Aeronautica et Astronautica Sinica
基金 国家重点科技攻关专题(96-A01-01-05) 江苏省重大科技攻关项目(G98017-3) 教育部高等学校优秀青年教师教学科研奖励计划(教人司[2002]123号)资助项目
关键词 计算机辅助制造 铣削力模型 Z-map模型 球头铣刀 刀具偏心 刀具变形 CAM milling forces model Z-map model ball-end mill cutter cutter eccentricity cutter deflection
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参考文献9

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