| PE给水管的焊接步骤 |
| 添加时间：2017/9/2 9:07:14 浏览次数： |
| PE给水管的焊接步骤： PE welding procedure for water supply pipe: 1.PE给水管焊接时，将两管轴线对中，先将两管端部点焊固定。 When the pipe is welded by 1.PE, the two pipe ends are welded and fixed at the end of the two pipe line. 2.PE给水管与法兰盘焊接，应先将给水管插入法兰盘内，点焊后用角尺找正，找平后再焊接。法兰盘应两面焊接，其内侧焊接不得突出法兰盘封闭面。 2.PE water supply pipe and flange welding should be inserted into the flange plate to the pipe, after spot welding L-square alignment, leveling after welding. Flanges shall be welded on both sides, and the flanges shall not be highlighted on the inside. 3.PE给水管壁厚在5mm以上时，应切割坡口，保证充分焊透.坡口成形可采用气焊切割或坡口机加工，但应清除渣屑和氧化铁，并用锉刀打磨,直至露出金属光。 3.PE water supply pipe wall thickness more than 5mm, should be cut to ensure full penetration groove. The groove forming can be used for cutting or welding groove machining, but should be cleared of debris and iron oxide, and with a grinding, until the metal is exposed to light. 4.钢管切割时，其割断面应与管子中心线垂直，以保证管子焊接完毕的同心度。 4. when the steel pipe is cut, its cutting cross section should be perpendicular to the center line of the pipe to ensure the concentricity of the pipe welding. 5.法兰要垂直于管子中心线,表面要互相平行，法兰 衬垫不得凸入管内，连接法兰的螺栓规格应与法兰配套，螺杆凸出螺母长度不得大于螺杆直径的1/2。 The 5. flange should be perpendicular to the center line of the pipe, the surface should be parallel to each other. The flange gasket shall not protrude into the pipe. The bolt specifications of the connecting flange shall be matched with the flange. The length of the screw protruding nut shall not be greater than the 1/2 of the screw diameter. 6.焊接给水管时，管子接口要清除浮锈、污垢及油脂。 6. when welding the water pipe, the pipe interface shall clear the rust, dirt and grease. |
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