直缝埋弧焊管机械扩径影响因素分析  

Effect Factors Analysis on Mechanical Expansion for SAWL Pipe

作　　者：邓波[1] 李云龙[1] 惠非[1] 

机构地区：[1]中国石油天然气集团公司管材研究所,西安710065

出　　处：《焊管》2010年第5期42-45,共4页Welded Pipe and Tube

摘　　要：简述了直缝埋弧焊管扩径的作用和机械扩径工作原理,分析了扩径率、轴向重叠量、扇形块的数目、扇形块与钢管内壁间的摩擦与润滑等因素对直缝埋弧焊管机械扩径质量的影响。The main function and operational principle of mechanical expansion for SAWL pipe were introduced briefly,and the effect of some factors on mechanical expansion quality for SAWL pipe was analyzed,such as expansion ratio,axial lap,the number of fan-shaped block,the friction and lubrication between fan-shaped block and inner wall of steel pipe,tc.

关 键 词：直缝埋弧焊管 机械扩径 扩径率 

分 类 号：TG385.5[金属学及工艺—金属压力加工]