数控主机用于保证箱底纵、环焊缝焊速恒定并使焊接点始终处于平焊位置。
NC machine is used to ensure that longitudinal and circular weldings are produced at a constant speed and the welding point is always in flat position.
经过图形仿真与实际下载到机器人控制柜上运行，表明计算结果可以满足平焊位置焊接的要求。
Through the graphic emulation and the running on the robot controller, it is shown that the calculated result can meet the requirement of welding in downhand position.
本文利用高速摄影机和示波器研究了钢焊丝熔化极脉冲焊的各种熔滴过渡形式，试验是在平焊和仰焊位置进行的。
In this paper various metal transfer modes in the pulse MIG welding with steel electrode are studied by means of high speed cine camera and oscillograph.
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