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铝及铝合金45°固定管是介于水平固定管和垂直固定管之间的一种焊接位置。操作上与吊横两种位置的焊接有许多共同之处,但也有它独特的地方。它几乎融合了管板焊接的所有技法,当管子的斜度接近吊焊位时,可以使用管子吊焊技法,管子斜度接近横焊时,可使用管子横焊技法。由于在施工安装过程中管子的斜度千差万别,但施焊方法是相近似的,所以本文主要介绍正45°固定管斜焊操作技法。
Aluminum and aluminum alloy 45 ° fixed pipe is between the horizontal fixed pipe and vertical fixed pipe welding position. There are many commonalities between the operation and the welding of the hanging horizontal position, but it also has its own unique place. It almost incorporates all the techniques of tube plate welding. When the pipe’s inclination is close to the hanging position, the pipe hanging welding method can be used. When the pipe inclination approaches horizontal welding, the pipe horizontal welding technique can be used. As the pipe during the construction and installation of different tilt, but the welding method is similar, so this article mainly introduces positive 45 ° fixed pipe welding operation.