采用套模衬拉及空拉的分段拉伸，不仅具有较高的生产效率，而且还有利于控制管材的偏心缺陷。
By adopting the techniques of stretching with insertion of dies and stretching by sections, a higher productivity can be obtained, and the deficiency of eccentricity of tubes can be controlled better.
关键制模工艺包括：母模制备、金属型壳制造、模框制作、背衬强化层制作、脱模以及后处理等。
Arc spray tooling process mainly includes: master pattern preparation, surface pretreatment, fabrication of the metal shell, frame fabrication.
本文对电弧喷涂快速制模技术进行了系统的研究，发现喷涂金属壳和背衬材料的性能优劣直接影响到整个模具的使用寿命。
Investigating Arc-spraying Rapid Tooling by the Numbers, we find that performance of spraying metal shell and the backup material influences the employ life of Arc spraying die.
介绍了消失模铸造衬铁的工艺，通过消失模铸造与湿砂型铸造的比较，得出消失模铸造的优点。
This paper introduces the technique of EPC casting iron linner. Made a comparison between EPC casting and green sand casting, the advantage of EPC casting is obtained.
介绍了消失模铸造衬铁的工艺，通过消失模铸造与湿砂型铸造的比较，得出消失模铸造的优点。
This paper introduces the technique of EPC casting iron linner. Made a comparison between EPC casting and green sand casting, the advantage of EPC casting is obtained.
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