大锻件拔长工艺研究进展与展望  

Development and prospective of heavy forgings stretching process

作　　者：王雷刚[1] 黄瑶[1] 刘助柏[2] 

机构地区：[1]合肥工业大学材料科学与工程学院,合肥230009 [2]燕山大学机械学院,秦皇岛066004

出　　处：《塑性工程学报》2002年第2期28-31,48,共5页Journal of Plasticity Engineering

摘　　要：综述了拔长工艺研究进展 ,重点阐述了近期以系统观点研究拔长而获得的拔长工艺理论、临界砧宽比、临界料宽比的最新成果 。Stretching is the main forging process of heavy forgings and the research of stretching is of great significance.The development of stretching research is reviewed and the newest achievements obtained recently in systematic method in the fields of stretching process theory,critical tool width ratio and critical blank width ratio are detailed.The tendency of stretching process is expected.

关 键 词：大锻件 拔长工艺 研究进展 砧宽比 料宽比 质量 平砧拔长 锻造工艺 

分 类 号：TG316.12[金属学及工艺—金属压力加工]