1) ring-shaped preform
环形预形坯
2) preform
[英][pri:'fɔ:m] [美][pri'fɔrm]
预成形坯
1.
The design of preform and forging die is analyzed with the precautions and problems often observed during hog-forging.
本文以冲击块为例介绍了粉末冶金热锻的工艺,对热锻中的预成形坯设计、锻模设计作了进一步探讨,分析了热锻中的注意事项和经常出现的问题。
2.
SiCp and binder were mixed together and SiCp preforms were prepared by warm pressing, thermaldebinding and pre-sintering.
在本实验中将SiC颗粒与粘结剂混合,温压制备成坯块,进行了热脱脂与预烧结,研究了热脱脂一预烧结后坯块的线性膨胀率、孔隙度、强度与工艺条件的关系,对预成形坯的显微组织形貌进行分析。
3) SiC preforms
SiC预成形坯
1.
Fabrication of SiC/Al composites with near-net-shape Ⅰ: Preparation of SiC preforms;
近净成形制备SiC/Al复合材料Ⅰ:SiC预成形坯的制备
2.
Compact SiC/Al composites with SiC particles uniformly distributing were fabricated by spontaneous infiltration of liquid pure aluminum into porous SiC preforms prepared by oxidation bonding process.
SiC预成形坯渗入纯铝后无形状和尺寸的变化。
4) preformed billet
预成形毛坯
1.
Preformed billet design in precision forging process of blade directly affects the quality of blade forging and the operating life of forging die, and the finite element backward simulation technology is an effective method of preformed billet design.
精锻过程中预成形毛坯设计的合理与否直接关系到叶片精锻件的质量和精锻模的使用寿命,而预成形毛坯设计的有效方法是采用有限元反向模拟技术。
5) blank shape prediction
坯料形状预测
1.
Improvement of blank shape prediction precision of deep drawing stamping part by thickness threshold value method;
用厚度阈值法改善深拉延冲压件坯料形状预测精度
6) isostatic preform
等静压预形坯
补充资料：仿形修坯机
分子式：
CAS号：
性质：大型瓷套、大棒型支柱绝缘子，开关管等外形加工，常采用装有仿形板的立式修坯机。滑轮沿仿形板上曲线滑动，通过杠杆传递到刀具(多为碳化硅质砂轮，也有刚玉质或周边镶嵌金刚石的刀具)，刀具作相应的运动，最终将泥段车出需要的外形。
CAS号：
性质：大型瓷套、大棒型支柱绝缘子，开关管等外形加工，常采用装有仿形板的立式修坯机。滑轮沿仿形板上曲线滑动，通过杠杆传递到刀具(多为碳化硅质砂轮，也有刚玉质或周边镶嵌金刚石的刀具)，刀具作相应的运动，最终将泥段车出需要的外形。
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