预制坯 meaning in English
pretreated blank
Examples
- In this paper , the metal flow route during closed die extrusion for spiral bevel driving gear of automotive final drive is analyzed and the profile of preformed blank has been designed
摘要分析了主动螺旋伞齿轮闭塞挤压的金属流动路线，设计了预制坯的形状。 - We analyze the microstrain and density changing of the composite powders during pressing . the density evolution of ti / al composite billet became calm when the pressure get to 1000mp . the technique of vacuum degassing can reduce the content of atmosphere
分析了复合粉在冷压制过程中的微观变形过程,不同压力下的密度变化趋势,表明在冷压制压力达到1000mpa后复合粉预制坯密度变化趋于平稳。 - This thesis establishes the cylinder gear and conic gear parameter serial , and analyzes their mechanics , completed the gear ' s product size - taking shape the molding size - electrode size delivers the regulation proceeded the research . establishing the design and calculation methods for the gears precision forming the craftwork parameter , forge piece , those gears precision forming perform , mould and and tool electrodes . based on the software platform of pro / engineer 2001 and visual c + + , the system is consisted of capp and cad , which are used for forming process and mould design for the gears , are studied and developed
本文对圆柱齿轮的精密模锻和圆锥齿轮的冷摆辗成形工艺及其力学本质进行了系统的研究，分析了齿轮精密成形的影响因素，确定了齿轮零件一锻件?电极?模具尺寸的传递规律，建立了齿轮精密成形工艺参数、锻件、预制坯、模具以及电极的设计计算方法链。 - In this thesis , the basic aspects about forming process and mould for cold precision rotary forging of common bevel gear are studied with method of theory and experiment . the rules and numerical relations of dimensional precision relaying among common bevel gear part , die cavity and tool electrode are established . meanwhile , the design and calculation methods for process parameters , mould , common bevel gear forging and preform and tool electrode are established
本论文对伞齿轮冷摆辗精密成形工艺的若干问题进行了系统的理论和实验研究，深入分析了伞齿轮冷摆辗精密成形工艺的物理力学本质，确定了伞齿轮产品零件?模具?电极之间的几何尺寸精度传递规律和数值关系，建立了冷摆辗精密成形工艺参数和模具、伞齿轮锻件和预制坯、工具电极的设计计算方法。