1)  preform
预锻模具
1.
Relationship between preform shape and filling ratio was established and optimum was achieved by using PSO optimization method.
针对二次多项式响应曲面在解决非线性问题时的局限性,提出了以神经网络为基础构建响应曲面的方法,建立了预锻模具形状与填充度之间的映射关系,并结合离子群优化算法(PSO)求得最优解,以两工步二维轴对称锻造问题为例,验证了其效果良好。
2)  preform die shape
预锻模具形状
1.
The preform die shapes are represented by cubic B spline curves.
采用刚-粘塑性有限元灵敏度分析方法研究锻造过程的预锻模具形状优化设计问题。
3)  preforging
预锻
1.
After perfecting the structure and function of the system the preforging process and die structure are systemically and widely studied.
本论文在完善系统结构和功能的基础上,对齿轮坯闭式模锻中的预锻工艺及模具结构设计做了系统深入的研究。
4)  blocker forging
预锻成型
1.
The structural dimension of piston tail forging part and the key technology of die forging were analyzed in detail,then a three-step die forging process was determined which included blocker forging,finish forging and trimming.
详细分析活塞尾锻件结构尺寸和模锻成型的关键技术,制定了三步模锻成型工艺:预锻成型、终锻成型和切边,设计了模具结构。
5)  Preforgings
预锻件
6)  pre-forged impression
预锻模膛
参考词条
补充资料:理具
【理具】
 (术语)台家有理具事造之目,法性之理体,自尔具三千之诸法,为理具,依缘造起为事造,山外之正义,依理具之三千而有事造之三千,山外之异义,立事造之三千而不许理具之三千也。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。