回填式搅拌摩擦点焊设备设计

发布时间：2018-05-14 22:25

本文选题：回填式搅拌摩擦点焊 + 结构设计　；参考：《热加工工艺》2017年03期

【摘要】：为了促进回填式搅拌摩擦点焊(Friction Stir Spot Welding,FSSW)技术在工业领域的应用,对回填式FSSW设备进行了设计。在充分调研国内外相关参考文献的基础上,并综合考虑设备的焊接效率以及承载能力,确定了设备的设计参数。将设备的机械结构分为驱动系统、传动系统、执行系统以及支承系统,并分别对其方案进行了设计。根据设计参数以及设计方案,采用模块化的设计思想,对设备的机械结构进行了设计,并完成了样机的开发。基于三菱PLC以及触摸屏,设计了设备的控制系统。利用所开发的样机分别对6061铝合金、AZ91镁合金以及黄铜进行了焊接试验,均得到了外观平整、性能良好的焊点。并对2 mm+2 mm的6061-T6铝合金试样的焊点进行了拉伸剪切试验,在转速为1300 r/min,扎入/回填速度为60 mm/min,扎入深度为2.5 mm的工艺参数下,单个焊点承受的平均拉剪力可达到7287 N。
[Abstract]:In order to promote the application of backfill friction stir spot welding (Friction Stir Spot Welding, FSSW) technology in the industrial field, the backfilled FSSW equipment was designed. On the basis of fully investigating the relevant reference documents at home and abroad, and considering the welding efficiency and bearing capacity of the equipment, the design parameters of the equipment were determined. The mechanical structure is divided into driving system, transmission system, execution system and supporting system, and the scheme is designed respectively. According to the design parameters and design scheme, the mechanical structure of the equipment is designed with the modular design idea, and the prototype is opened. Based on the MITSUBISHI PLC and the touch screen, the control of the equipment is designed. Using the developed prototype, 6061 aluminum alloy, AZ91 magnesium alloy and brass were welded respectively. All the solder joints were smooth and good, and the tensile shear test was carried out on the solder joints of the 2 mm+2 mm 6061-T6 aluminum alloy specimens. The speed was 1300 r/ min, the ligation / backfilling speed was 60 mm/min, and the penetration depth was 2. The average tensile shear strength of a single solder joint can reach 7287 N. under the technological parameters of.5 mm.

【作者单位】：哈尔滨工业大学(威海)船舶与海洋工程学院;哈尔滨工业大学(威海)山东省特种焊接技术重点实验室;
【基金】：国家自然科学基金资助项目(51205088) 山东省重点研发计划项目(2015GGX103002) 山东省自主创新及成果转化专项(2014CGZH1003) 威海市产学研合作创新示范工程资助计划项目(2014CXY02) 先进焊接与连接国家重点实验室开放课题研究基金项目(AWJ-M13-11)
【分类号】：TG439.8

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