在数控真空钎焊炉中进行钎焊试验，由于施加压力的不同，得出钎缝厚度不同的焊接试件。
The brazing experiment is finished in vacuum furnace, the brazed joints with different filler metal thickness are obtained by different pressure on them.
通过跟踪试验，在真空钎焊炉内加入镁屑，解决了质量问题，提高了散热片的钎焊成品率。
The soldering qualities of radiating fin are increased by adding Mg spalls in vacuo soldering furnace.
根据大型真空钎焊炉真空系统的故障种类及特点，分析了现有的真空系统故障诊断存在的主要问题。
According to the fault types and characteristics of vacuum system of large aluminium vacuum brazing furnace, main problems of the existent fault diagnosis of vacuum system are analyzed.
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