In this paper we tried to repair the abraded shafts using laser overlaying welding technology.
采用激光堆焊技术及自动送粉工艺进行了轴件修复实验。
This paper is about the effect of applied longitudinal magnetic field on Co-based plasma overlaying welding alloy.
本课题就是在钻基等离子弧堆焊过程中引入纵向直流磁场，利用磁场的作用提高堆焊层的性能。
The results showed that the forming of crack was mostly made by the interface defect between overlaying welding layer and matrix.
结果表明，堆焊层与基体的界面缺陷是裂纹形成的主要原因。
The sealed surface is made of hard alloy of cobalt by overlaying welding. Through thermal treatment, the hardness of disc in improved.
密封面用钴基硬质合金堆焊而成，阀瓣经热处理，提高了硬度。
The sealed surface is made of hard alloy of cobalt by overlaying welding. Through thermal treatment, the hardness of disc is improved.
密封面用钴基硬质合金堆焊而成，阀瓣经热处理，提高了硬度。
The invention discloses steel plate overlaying welding equipment, in particular to automatic open arc overlaying welding equipment with special alloy powder.
本发明公开一种钢板堆焊设备，尤其涉及一种明弧添加特种合金粉自动堆焊设备。
A new type of materials of composite alloy coating with ultra-fine WC for submerged overlaying welding on the surface of continuous casting machines rollers is studied in this paper.
本文研究了一种应用于连铸辊的含超细wc粉末的埋弧堆焊复合敷层材料。
The properties, producing process of welding wire for roll overlaying and breakdown treatment in its drawing production are introduced.
介绍了轧辊堆焊使用焊丝的性能、生产工艺及焊丝在拉拔过程中的故障处理。
This paper is about the effect of introducing longitudinal magnetic field on plasma overlaying of Fe-based and Ni-based welding alloy.
本课题就是在铁基和镍基的等离子弧堆焊过程中引入纵向直流磁场，利用磁场的作用提高堆焊层的性能。
The invention relates to welding and overlaying and can be used for recovering worn-out parts of pieces like solids of revolution, in particular drill pipes.
本发明涉及焊接和堆焊，还可以用于修复回转体类型件，特别是钻杆的磨损部分。
Both sealed surfaces of the seat and disc are overlaying welded with Fe base stainless steel welding rod so as to improve wear resistance and erosion resistance.
阀座、阀瓣密封面均由铁基铬镍不锈钢焊条堆焊而成，提高了耐磨性和抗冲蚀性。
But whether high chrome cast iron welding rod produces more crack in the overlaying process is with the relation of more horniness carbonization in its organization.
而高铬铸铁型焊条，在堆焊过程中出现较多裂纹，与其组织中有较多的硬质碳化物有关。
But whether high chrome cast iron welding rod produces more crack in the overlaying process is with the relation of more horniness carbonization in its organization.
而高铬铸铁型焊条，在堆焊过程中出现较多裂纹，与其组织中有较多的硬质碳化物有关。
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