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振动时效技术在雷达电子装备制造中的应用 被引量:2
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作者 王丽七 曹国光 +1 位作者 黄春燕 金志飞 《贵阳学院学报(自然科学版)》 2017年第4期68-70,共3页
采用频谱振动时效(vibrating stress relief,VSR)技术,对雷达电子装备大型构件进行了消除焊接残余应力的试验与分析,结果证明VRS可以快速有效地降低雷达电子装备大型焊件的残余应力,试验点综合平均应力消除率为57.5%,同时使应力分布更... 采用频谱振动时效(vibrating stress relief,VSR)技术,对雷达电子装备大型构件进行了消除焊接残余应力的试验与分析,结果证明VRS可以快速有效地降低雷达电子装备大型焊件的残余应力,试验点综合平均应力消除率为57.5%,同时使应力分布更为均匀合理,并得到一定产于压应力,提高构件的疲劳强度及使用寿命。要更好的保证焊接质量,还应在焊接过程中采取其他一些有效措施控制焊接残余应力的产生。 展开更多
关键词 振动时效 电子装备 焊接残余应力
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Off-line simulation of robot welding of radar pedestal
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作者 王丽七 cao guo-guang 《Journal of Chongqing University》 CAS 2017年第2期87-92,共6页
A study of the interference simulation based on robot welding of the radar pedestal was carried out by using the KUKA Sim Pro simulation software and off-line program technology. Compared with the actual robot welding... A study of the interference simulation based on robot welding of the radar pedestal was carried out by using the KUKA Sim Pro simulation software and off-line program technology. Compared with the actual robot welding process, it was found that the trajectory of the simulated robot welding process in line with that recorded in the actual welding process, and the actual limit and interference appeared at the same place as the simulation process. There was no interference phenomenon on the outside weld-seam; on the internal weld-seam, especially on the weld-joint of support plate connected to the cylinder, a phenomenon of interference appeared. It was helpful to use the simulation method to guide the actual robot welding so as to protect robot from impacting and reduce the weld defects. 展开更多
关键词 ROBOT WELDING off-line program INTERFERENCE simulation
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