摘要
针对螺旋立铣刀无偏心或下偏心正交车铣轴类零件,研究了立铣刀圆周刃切除工件的切屑几何形状和切入切出角,沿铣刀轴向划分若干个微元体,对每个微元体建立瞬时切削力计算公式,并求积分得到瞬时正交车铣切削力预测模型,仿真分析正交车铣切削力.在车铣复合加工中心进行无偏心正交车铣切削力实验,将仿真结果和实验结果进行对比,验证了切削力预测模型的正确性.
The undeformed chip geometry and the engagement limits in non-eccentricity or eccentricity orthogonal turn-milling were studied for shaft parts with helical end mills. Within engagement zone, the milling tool was divided into infinitesimal elements along the tool axis. The formula to calculate the instantaneous cutting force was established for each element. All of the discrete forces were integrated to obtain the total cutting force. According to the cutting force model, the characteristic of the cutting force in orthonogal turn-milling was analyzed. Experiments were conducted on a turn-milling machine tool to validate the cutting force model.
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2014年第5期1-5,共5页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
国家自然科学基金资助项目(51275189)
国家重点基础研究发展计划资助项目(2011CB706803)
国家科技支撑计划资助项目(2012BAF08B01)
关键词
正交车铣
轴类零件
切削力
螺旋立铣刀
无偏心
下偏心
orthogonal turn-milling
sha{t parts
cutting force
helical end mills
non-eccentricity
eccentricity
