Using metal plasticity forming theory, by the technology calculation of sulfur hexafluoride breaker shell flanging, a technology calculation method was introduced about pre-punching flanging.
运用金属塑性成形原理，通过六氟化硫断路器壳体孔翻边的工艺计算，介绍了一种曲面孔翻边预冲孔的一种近似工艺计算方法。
A die with internal lining ceramics coat was made by using this technology. Then a semi-solid aluminum alloy forming experiment was made in the die.
应用自蔓延技术制备了带有陶瓷内衬涂层的模具，并应用该模具进行了简单的半固态铝合金加工实验。
A method for forming the leading edge portion using refractory metal core technology is described.
对使用耐热金属芯工艺制出该翼面部的方法予以说明。
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