1) sigmoid die
S形凹模
2) taper matrix
锥形凹模
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 a taper blank holder.
介绍了半球形工件的成形特性及工艺性,设计了一种行之有效的半球形工件的拉伸模,并简述了锥形凹模及锥形压边圈的特点。
3) sizing matrix
整形凹模
1.
In accordance with the structure characteristics of the sizing matrix for the square_tapered parts and its state under stress in the sizing process, and through the analysis and calculation with the finite element method, the stress distribution at each part of the matrix in sizing process was obtained.
根据方锥形件整形凹模的结构特点和它在整形工艺中的受力状态 ,运用有限元方法对其进行了分析和计算 ,得到了在整形时 ,凹模各部分的应力分布情况 ,从而可以确定其破坏的原因。
4) wedge-shape die
楔形凹模
5) circular dies
圆形凹模
6) female die shape
凹模形状
1.
Base on the simulation results of node velocity vector,total equivalent plastic strain,force-stroke curve,the influences of female die shape and billet shape to the process have been analyzed.
通过模拟得到的节点速度矢量、等效应变及力—行程曲线分析了凹模及坯料形状对弹体挤压成形的影响,提出弹体挤压时坯料直径应与凹模直径相等,凹模形状应根据挤压力的大小和模具结构的简化两方面确定。
补充资料：凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚， 毫 米
F， 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条