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.
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