1) preform
[英][pri:'fɔ:m] [美][pri'fɔrm]
预制坯
1.
Finite element simulation of hot die forming and optimization design of preform for a blade with large-angle crankle;
大弯扭叶片热模压成形有限元模拟及其预制坯的优化设计
2.
The two-step upsetting forming of FGH96 powder metallurgy(P/M) disc preform was simulated with different circular radius dies.
通过对不同圆弧半径模具镦粗成形过程的模拟,分析研究了模具圆弧半径对预制坯相对直径比以及镦粗后盘坯变形均匀程度的影响规律,同时对镦粗过程中等效应变速率的变化规律进行了分析,得到了合理的模具圆弧半径的取值范围,从而为粉末盘件预制坯的工艺制定提供了一种新的选择。
3.
This paper discusses the design content of the preformthe choice of the density,the design of the configuration and the dimension,and discusses the classification of the preformthe simple and the resemble shape preform,and then,discusses the preform design of the spur gear,the bevel gear,the flange and the long shaft powder forging.
讨论了粉锻件预制坯的设计内容预制坯密度的选择、形状和尺寸的设计 ,讨论了粉锻件预制坯的分类简单形状预制坯和近似形状预制坯 ,讨论直齿轮、伞齿轮、法兰件和长轴类粉锻件预制坯的设
2) pre-forging part
预制坯
1.
Aiming at the obliterated extrusion forming with extrusion-belt of pre-forging part,the influences of punch geometry,extrusion-belt length,mould temperature and lubrication to forming technology were discussed by using DEFORM,then the technology parameters used in the forming were acquired.
针对挤压带式闭塞挤压精密预制坯的成形过程,以DEFORM软件为工具,研究了冲头形状、挤压带长度、模具工作温度、润滑等条件对成形工艺的影响,确定了成形过程中需采用的工艺参数。
3) SiC_p Preform
SiCp预制坯
4) precision performing part
精密预制坯
5) preform forging
预制坯锻造;型坯锻造
6) preform bolw mo(u)lding
预制型坯吹塑
补充资料：实坯坯
1.见"实丕丕"。
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