1. Critical calculation and numerical simulation of rightly using blank holder in sheet metal forming; 适合使用压边圈的临界计算及数值模拟2. The drawing die structure of shirt oil bottom shell is introduced,the surrounding border of shirt oil bottom shell needs to be drawn at concave die and ...
锥形压边圈 1. Introduce the forming traits and crafts of a hemisphere workpiece and design a drawing die for a hemisphere workpiece which is effective,and give a brief account for the features of a taper matrix and ataper blank holder. ...
aThe original speech is 原始的讲话是[translate] aa piece of embroidery done by the girl would been shown 女孩完成的刺绣片断会显示[translate] a图案的边缘存在一圈热压透明膜 The design edge has a thermo-compression transparent membrane[translate]...
龙洋鉴定诀窍 很多粉丝要我讲讲龙洋怎么鉴定,这个必须满足。国庆节了,给长期支持关注我的朋友一点福利,把我压箱底的小窍门也奉献给我的粉丝朋友。其实,龙洋的鉴定方法和其他银元也差不多,不外乎就是银色、包浆、压力、边齿和流通痕迹五大要素。但龙洋确实又有与众不同的地方,比如有珠圈、有英文、有满文、有数字...
压边圈 1. Critical calculation and numerical simulation of rightly usingblank holderin sheet metal forming; 适合使用压边圈的临界计算及数值模拟 2. The drawing die structure of shirt oil bottom shell is introduced,the surrounding border of shirt oil bottom shell needs to be drawn at concave die ...
压边圈 1. Critical calculation and numerical simulation of rightly using blank holder in sheet metal forming; 适合使用压边圈的临界计算及数值模拟 2. The drawing die structure of shirt oil bottom shell is introduced,the surrounding border of shirt oil bottom shell needs to be drawn at concave ...
双层压边圈2) blank holder 压边圈 1. Critical calculation and numerical simulation of rightly using blank holder in sheet metal forming; 适合使用压边圈的临界计算及数值模拟 2. The drawing die structure of shirt oil bottom shell is introduced,the surrounding border of shirt oil bottom shell ...