A new kind of the sintered wear-resisting and heat-resisting deposit welding rod which has perfect processing property is produced and studied by cold-cementing extrusion process.

采用冷粘结挤压法，研制了一种工艺性能良好的烧结型耐磨耐热堆焊焊条。

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Re melt deposit welding process is proposed in this paper. To realize the technology, plasma arc, TIG arc, high frequency induction, gas shield continuous stove and MSW are adopted.

提出熔敷焊接工艺方法，采用等离子弧、TIG电弧、高频感应、气保护连续炉、真空炉和模中熔铸工艺实现了熔敷焊接工艺方法。

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This welding process, with continuous welding wire feeding, fast deposit speed and quality welding pass, is especially suitable for long distance pipeline with large diameter and thick wall.

全位置自动焊接技术的特点是，焊丝可以连续送进，焊丝熔敷速度快，焊接质量较高，尤其适用于大口径、厚壁管的焊接。

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