The fine surface quality and dimensional accuracy cast hot work die was obtained by special sand V method casting technique.
采用特种砂v法铸造工艺获得了良好表面精度和尺寸精度的铸造模具。
The die lips are V-contoured to minimize the air gap between the die and the roll nip whenever necessary.
模具口是V型的，为了随时减少模具和辊轴间的空气间隙。
The experiments of twist-compression forging and unsymmetrical V-shape die forging are made using plasticine.
此文用塑性泥作模拟材料，进行了压扭复合锻造和不对称V型砧拔长的工艺实验。
Basic theories and process of V permeating of die steel and performance of V permeating layer were introduced.
介绍了冷变形模具钢渗钒的基本原理和工艺方法以及渗钒层的性能。
On the basis of ZL201, B, Zr, V are added to melt to enhance the cast ability before die cast experiment.
在Zl201的基础上，调整合金成分，改善合金的铸造性能，进行压铸试验研究。
The die, with the hopper-type automatic feeding device, is used for bending various V-shaped, U-shaped and bow-shaped parts and suitable for mass serial production.
介绍了在通用冲床上使用的漏斗式自动送料弯曲模的结构形式、工作过程和设计要点。
The die, with the hopper-type automatic feeding device, is used for bending various V-shaped, U-shaped and bow-shaped parts and suitable for mass serial production.
介绍了在通用冲床上使用的漏斗式自动送料弯曲模的结构形式、工作过程和设计要点。
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