Braze joint is key work in the installation and maintenance of generator, and if the weld is bad, may cause the whole scrap bars, especially in the cold water line bar welding power.
因此,参加钎焊的操作人员必须经过专业培训,且考试合格后持证上岗.操作人员应熟悉铜焊机的使用和操作上的注意事项.
Therefore, in the brazing operation must go through professional training, and certificates after passing the examination. The operator should note the use and operation of the machine. Familiar with copper
在正式焊接线棒接头前,应采用废旧线棒或模拟的铜块进行试焊,以掌握电流大小,焊接时间和温度。

In the case of the formal welding wire rod joint, should be used to test the old wire rod or simulated copper block, in order to grasp the current size, welding time and temperature.

根据发电机端部的情况,采用湿的石棉布或专用防火布对端部线棒绝缘进行保护,防止绝缘过热.也有的厂家要求在焊接时对线棒端部包用通冷却水的冷却套进行降温处理,接头焊接后需待焊接。

According to the situation of generator end, end winding insulation protection using wet asbestos cloth or special fireproof cloth, to prevent overheating. The insulation cooling jacket and some manufacturers requirements through the cooling water to the bar end for the welding of welded joints after cooling treatment, need to be welded.
定子绕组的上,下层线棒在下入线槽前就应将线棒电接头(对接)的对接面清理干净,否则上层线棒下入后就无法处理接触面.
The upper and lower bars of the stator winding should be cleaned by the butt joint of the wire rod (butt joint) before entering the groove. Otherwise, the contact surface will not be able to be processed when the upper wire rod is in
要求焊接部位平整,光亮,无飞边,毛刺,露出铜的金属光泽;可用钢丝刷,细锉刀或砂纸清理,根据情况可适当打磨。
Welding parts bright, smooth, no burr, burr, the exposed metallic copper; steel wire brush, fine sandpaper or a file cleanup, according to the situation can be properly polished.
铜焊接头一般采用专用的铜焊机焊接.铜焊机有中频感应加热和大电流碳阻焊两种,应视具体的接头连接结构形式而定.中频感应加热式铜焊机有加温快,操作简便的优势,目前应用较广。
Brazed joints generally use copper welding special welding copper welding machine. A medium frequency induction heating and high current carbon solder two, should be connected structures depending on specific joints. Intermediate frequency induction heating type copper welding machine has advantages of fast heating, easy operation, widely used.
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