1) 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。
2) new inverse conical die
新倒锥形凹模
1.
And by direct comparison of the experimental methods, a new inverse conical die and its design gistare recommended in this Paper.
报道了在自动化冲压加工中防止废料上行问题的新成果:提出一种以增大摩擦阻力为主的抑止原理,并通过直接比较实验研究,择优推荐一种新倒锥形凹模及其设计要点。
3) Inverse conical edge die
倒锥形刃口凹模
4) cone-angle of in-die
凹模锥角
5) hollow regular cone
凹形正圆锥
1.
It is reported that the quantity of a hollow regular cone divided by the quantities of contour generations on it is the quantity of the depth that one contour line adjoins the next one,and introduces the making method of the hollow regular cone and its application.
用凹形正圆锥的高除以等高线数为相邻等高线的深度差值 介绍了凹形正圆锥的制作方法及应
6) semi-coning of conical die
凹模半锥角
1.
Furthermore,optimum design on semi-coning of conical die is done with golden section and differential method,and the α_(opt)-μ relation between αopt.
利用最新推导出的考虑缩口变形中弯曲作用,选用幂函数硬化规律的应力应变关系的锥形模缩口力计算公式,结合常用的Q235钢管和T2铜管缩口实验数据,对影响缩口力的因素K、n、t、mN、μ及α,作了单因素影响的更直观分析,进而,分别用黄金分割法和微分法两种不同的方法对锥形凹模半锥角进行了优化设计,获得了使缩口力最小时的αopt-μ的关系式与关系曲线。
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