建立了双曲率蜂窝夹层板在“点阵钉模、真空负压”条件下成形的有限元分析模型。
A finite element model was established to simulate the forming process of double curvature honeycomb sandwich panel under the conditions of "nails die, vacuum".
介绍了引线角多工位级进模，叙述了多单元条料的切断方法，及以一种新颖的导料钉结构。
The lead wire parts multi-position progressive die is introduced, the method of multi-units strip material cutting off is stated, and a novel guide pin structure is introduced.
结构体由建筑模网网片（1）及轻钢龙骨（2）和（3）构成，以自攻钉或铆钉连接。
The structural element consists of a construction formwork mesh sheet (1) and light steel keels (2) and (3) which are connected by self-tapping screws or rivets.
研究了自冲铆接中模钉体积比对铝-钢以及钢-铝铆接接头的影响。
This paper developed the influence of die-rivet volume ratio on self-piercing riveting joints of Al-to-steel and steel-to-Al combinations separately.
研究了自冲铆接中模钉体积比对铝-钢以及钢-铝铆接接头的影响。
This paper developed the influence of die-rivet volume ratio on self-piercing riveting joints of Al-to-steel and steel-to-Al combinations separately.
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