In the construction of steel pipe scaffold on electric welding machine, vibrator and other electrical equipment should be placed in dry wood, operators shall wear insulating protective equipment.

在钢管脚手架上施工的电焊机、振捣器等用电设备应放置在枯燥的木板上，操作人员应穿戴绝缘的防护用品。

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This paper introduces a new connection technology of pipe groove machine. The advantages of this connection over the traditional welding, Falan connection and screw connection are elaborated.

介绍了管道沟槽式机械连接新技术、管道沟槽式零件和机械接头，阐述了管道沟槽式机械连接相对于传统的焊接、法兰连接、丝扣连接的优越性。

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This paper introduces structure feature, principle, important components and welding effect of vertical automatic pipe-plateargon arc welding machine.

介绍了新型立柱式全自动管板氩弧焊机的结构特点、工作原理、主要部件和焊接的使用效果。

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