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建筑用铜管的安装方法是怎样的？

建筑用铜管的安装方法是怎样的？

浏览：36次 | 提问时间： 06-29 09:08

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3个答案

胸大无脑 06-29 09:09

家用空调的铜管延展性非常好，只要不是故意破坏，圆着弯180度没问题的，或者扭转180度都可以的。由于空调管内的压力较高，所以铜管的链接不容易做成可以旋转的结构，因此出口方向固定，只能改变连接管的方向来适应屋内布置。

麦萌季 06-29 09:17

(1)管道使用前进行调直，调直应先将管内充沙然后用调直器进行调直;调直过程中注意用力不能过大，不得使管子表面产生锤痕、凹坑、划痕或粗糙的痕迹。设计后勤工作应将管内的残砂等清理干净。
(2)安装前将铜管切成需要的长度，注意断面与管子轴线要垂直，然后用钢锉把断面毛刺锉平修光。铜管插入接头部分的表面应清洁，无油污，并用有机溶剂清洗干净。铜管接头，安装前应用钢丝刷进行清理。
(3)根据需要取适量钎剂，均匀抹在铜管接头承口处和铜管插入接头部分。
(4)钎焊前，用氧气乙炔焰将铜管加热。用外焰加热时，火焰应呈中性或略带还原性，加热时焊炬沿铜管环向转动，使之均匀加热，一般加热至铜管变暗色为宜。
(5)被焊接件预热后，用加热的钎料粘取适量的钎剂(焊粉)均匀涂在缝隙处，当温度达到650~750℃时，送入钎料，火焰不能直接加热钎料。在毛细血管和湿润的作用下，能使融化的液态钎料往缝内渗透，在钎料全部融化时停止加热，若继续加热。钎料会不断地向里渗透，不容易形成饱满的焊角。管道安装时避免倒立焊，如必要时，应将焊炬火焰对准头上部加热，为避免焊料下淌，可用石棉绳包扎在焊件下面阻流。
(6)焊后处理。焊接结束后，用湿布冷却和擦拭连接部位，以稳定焊接部分，同时去掉钎焊产生的熔渣

你对谁都笑 06-29 09:25

通过使用钎焊这是一种不同于一般熔化焊的金属连接方法，它是由受热熔化的钎料依靠润湿和毛细管的作用，向焊缝间的缝隙渗透，填满焊缝间隙，附着于铜表面，经液态金属钎料和固体金属之间相互扩散凝固，而形成紧密牢固的连接。

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建筑用铜管的安装方法是怎样的？