通过分析铝骨架零件的机加工工艺，介绍铝制薄壁零件在机加工过程中的关键工艺环节。
The machining process of the aluminum-framework parts are analyzed and the key step of the technique of the thin wall aluminum parts are presented.
分析了电流线圈骨架零件的结构特点及材料成型特点，介绍了该零件的注射模具设计方法。
After analysing the features of the structure of current coil skeleton parts and material formation, the paper introduces the injection die design method of this part.
本文以非线性有限元软件包SHEET - FORMING对某汽车落地骨架零件的冲压工艺参数进行数值模拟研究。
In this paper, the research on numerical simulation of punch-forming parameters for automobile frame parts of sheet metal is done by using the non-linear FEM software SHEET-FORMING.
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