【作者】 杨尚磊； 房加强； 吕明开； 何建萍； 丁波；

【Author】 YANG Shanglei~1,FANG Jiaqiang~1,LVMingkai~2,HE Jianping~1,DING Bo~1 (1.School of Materials Engineering,Shanghai University of Engineering Science,Shanghai 201620, China;2.Changshu Leide double metal composite tube Co.,Ltd.Jiangsu 215553,China)

【机构】 上海工程技术大学材料工程学院； 常熟雷得双金属复合管业有限公司；

【摘要】 介绍了内层不锈钢、外层碳钢的双金属管的结构、生产工艺及其自动化生产设备,重点描述了内层不锈钢管制造的焊缝跟踪系统。双金属管生产线的设计能够满足生产的柔性化要求,生产设备间的快速传输以内层薄壁不锈钢管焊接速度为时间控制点,双金属复合管生产线的焊缝跟踪系统采用光电扫描式传感器,跟踪精度高,可靠性好。分析了双金属复合管的界面微观组织,不锈钢和碳钢之间有原子的迁移扩散现象,影响了母材的硬度。更多还原

【Abstract】 The structure,technological process and automatic production machine of double metal composite tube are demonstrated in this paper,with an emphasis on the Seam tracking system of inner stainless steel tube.The design of production line for double metal composite tube meets the demand of flexible property.The transfer speed among machines is designed according to the control time of inner thin stainless steel pipe welding.The automatic weld seam tracking system of double metal composite tube production line takes photoelectrical scanning transducer.There are well tracking precision and rel ability.Analysis of the interfacial microstructure of double metal composite tube,exists the atoms d ffusion between stainless steel and carbon steel,affecting the hardness of the base metal.更多还原