请输入您要查询的字词:
单词
锻压加工
释义
锻压加工
Encyclopedia
工学
锻压加工
释
forging and stamping
锻压加工
对坯料施加外力,使其产生塑性变形,改变尺寸、形状及改善性能,用以制造机械零件毛坯或工件的塑性加工技术。是锻造与冲压的总称,属于二次塑性加工。锻压加工是利用一次塑性加工(轧制、挤压及拉拔等)所提供的棒材、板材、型材、管材及线材进行再加工,但在大型锻件生产时可直接用铸钢锭为原料。在锻造加工中,坯料整体发生明显的塑性变形,有较大量的塑性流动。在冲压加工中,坯料主要通过改变各部位面积的空间位置而成形,其内部不出现较大距离的塑性流动。
随便看
crime of inciting to split the state
crime of inciting to subvert the state power
crime of indecent act towards children
crime of indifference of producing and selling fabricate and inferior commodity
crime of indifference of smuggle
crime of infringement upon the customs and habits of minority nationalities
crime of infringing listed company against good faith
crime of infringing on the freedom of communication
crime of infringing upon the personal information of citizens
crime of insider trading, disclosing insider information
crime of insulting another
crime of insurance fraud
crime of intentional destruction of cultural relics
crime of intentional destruction or damage of properties
crime of intentional disclosure of military secrets
crime of intentional homicide
crime of intentionally providing false information about the enemy in wartime
crime of intentionally providing substandard weapons and equipment and military installations
crime of introducing a bribe
crime of irregularities for favoritism and no transfer of criminal cases for favoritism
crime of irregularities for favoritism in animal and plant quarantine
crime of irregularities for favoritism in recruiting of civil servants, students
crime of irregularities for favoritism in the commodity inspection
crime of issuing financial tickets in violation of law
crime of issuing loans illegally
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/4/18 19:31:34