变速周向低应力弯曲断裂下料初始工艺参数的确定  

Research on the Cropping Technology Key Parameters with Variable-speed Circumferential Low-stress Bend Fracture

作　　者：张立军[1] 相恒富[1] 王世敬[1] 

机构地区：[1]中国石油大学机电工程学院,山东东营257061

出　　处：《机床与液压》2011年第7期69-70,123,共3页Machine Tool & Hydraulics

基　　金：中国石油大学(华东)博士科研基金项目(Y070311)

摘　　要：针对当前金属棒料下料技术存在下料断面质量差、下料效率低、污染重等问题,提出一种变速周向低应力弯曲断裂下料方法,并论述其下料机理。利用ANSYS软件,对下料机中柱状锤头的初始径向压下量进行数值计算;给出棒料夹持位置参数的合理取值和进给套筒移动速度的计算公式。研究内容为进一步研究低应力弯曲精密下料奠定理论基础。In order to solve problems of poor quality,low efficiency and heavy pollution in cropping process,a new precise cropping method with variable-speed circumferential low-stress bend fracture was presented.The cropping mechanism was introduced.The initial reduction of columnar hammer was calculated by ANSYS.The reasonable value of position parameters of holding and computing formula of transferring speed of feed socket were obtained.All these provide theory foundation for further investigation of precise cropping method with low-stress.

关 键 词：精密下料 变速 弯曲断裂 低应力 

分 类 号：TG306[金属学及工艺—金属压力加工]