闭式压力机组合机身拉紧结构设计计算及预紧操作  

Design calculation and preloading operation of combined body tensioning structure of closed type presses

作　　者：徐惠 佘宽 刘志 徐敏 XU Hui;SHE Kuan;LIU Zhi;XU Min(Yangli Group Co.,Ltd.,Yangzhou 225127,Jiangsu China)

机构地区：[1]扬力集团股份有限公司,江苏扬州225127

出　　处：《锻压装备与制造技术》2024年第6期35-38,共4页China Metalforming Equipment & Manufacturing Technology

摘　　要：介绍组合式压力机拉紧螺杆连接及预紧端结构,对液压拔长器、液压螺母、感应加热三种预紧方法进行介绍及比较,确定了预紧相关方法计算,并提供拉紧螺杆及螺母的强度和疲劳校核方法,为组合式压力机拉紧部分设计提供理论依据。Introduction to the combined press tensioning screw connection and pre-tensioning end structure,hydraulic extractor,hydraulic nut,induction heating three pre-tensioning methods are introduced and compared to determine the pre-tensioning related methods of calculation,and to provide tensioning screw and nut strength and fatigue calibration methods for the design of the tensioning part of the combined press to provide a theoretical basis.

关 键 词：闭式压力机 组合机身 结构设计 预紧 计算 

分 类 号：TG315.5[金属学及工艺—金属压力加工]