圆管无芯弯曲壁厚变薄量研究  

Study of Reducing Ratio of Wall Thickness of Cylinder-type Pipe in Bending

作　　者：耿相军[1] 

机构地区：[1]山东交通学院,山东济南250023

出　　处：《锻压装备与制造技术》2006年第3期86-88,共3页China Metalforming Equipment & Manufacturing Technology

摘　　要：采用回归分析和曲线拟合方法,提出圆管无芯弯曲壁厚减薄量新的计算公式。经验证该公式比目前实际采用的变薄量计算公式具有更高的计算精度。New calculating formula has been put forward for reducing ratio of wall thickness of cylinder-type pipe in bending, by using regressive analysis and curve fitting, which has been proved to be with higher calculating accuracy than that of formula being used at present.

关 键 词：机械制造 弯曲 圆管 壁厚减薄率 

分 类 号：TG386.31[金属学及工艺—金属压力加工]