本文介绍了真空等离子焊箱的系统组成和功能。
This paper introduces all vacuum plasma welding equipment subsystems and their functions.
得到的熔层与等离子焊层对比，激光熔层缺陷率低，成品率高。
Comparing with the plasma spurt welding layers, the laser cladding layers had lower defect rate and higher product rate.
气门密封面激光熔覆的工艺和性能研究较多，但激光熔覆的合金组织和性能与现在气门密封面生产应用的等离子喷焊合金的对比数据较少。
Many studies were carried on the technologies and properties of laser cladding on the seal face of valve, but lack of contrast data with plasma spraying Alloy applied at present.
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