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Method of digital signal processor control gas metal arc welding machine is that after digital signal processor is program compiled and inputted, it directly control the silicon controlled rectifier… (More)
焊接是管线建设的关键技术之一,随着我国管线钢的快速发展,越来越需要匹配的焊接技术来满足管线的建设。分析了激光焊在管道焊接中的优缺点,并采用高功率激光焊接设备,对板厚为16 mm的X52管线钢进行焊接,X射线探伤检测焊缝无裂纹,采用光学显微镜分析了焊接接头的焊缝结晶特性和微观组织。根据美国石油学会标准API SPEC… (More)
The invention is concerned with the laser butt-joint welding method for copper or aluminum in heterogeneity metal joint technology field. It is: designs the joint between the copper or aluminum and… (More)
A pulsed MIG welding arc length control method, which belongs to the field of welding technology. The present invention is in the pulse period, when the distance between the wire and the base… (More)
The present invention discloses a device for calibrating a laser triangulation system, comprising a turntable, and the calibration cylinder thimble; fixed calibration cylinder is placed over the… (More)
This paper introduced a welding machine for GMAW using digital controlling method based on DSP (Digital Signal Process). By means of flexible programming according to welding technologies and… (More)