1) direct and reverse bulging
正反向胀形
2) forward-backward bulge forming
正反气胀成形
3) direct-reverse superplastic forming
正反向超塑成形
1.
Based on the direct-reverse superplastic forming TC4 deep cylinder,the influence to final thickness distribution of surface friction of preforming die and forming die was analysed with MSC.
以正反向超塑成形厚度均匀的TC4钛合金深筒形件为背景,采用MARC有限元模拟分析了正反向超塑成形时预成形模和终成形模的表面摩擦系数对成形件壁厚分布的影响。
2.
Based on the direct-reverse superplastic forming TC4 deep cylinder with uniform thickness(thickness accuracy: 1.
以正反向超塑成形厚度均匀的TC4钛合金深筒形件为背景(厚度精度要求1。
4) backward inflation
反向膨胀
1.
The computing model of backward inflation based on mathematical morphology and several optimized computing characteristics of the model are proposed.
讨论了基于数学形态学的反向膨胀计算模型及推理出基于该计算模型的几个优化计算性质。
5) positive direction in reverse
正向反求
1.
In teaching,we can improve our students’ divergent thinking and creative thinking effectively through multi-directional radiation,positive direction in reverse and seeking difference from common points.
在教学中,结合多向辐射、正向反求、同中求异的方式可以有效地训练学生的发散思维,增强创造思维能力。
6) forward (reverse) mode
正(反)向模
补充资料:锻压:胀形
在管坯内部或在板坯一侧通以高压液体﹑气体或放入刚体瓣模﹐迫使管﹑板塑性变形﹐以製成工件的衝压成形工艺。由於受到材料塑性和塑性变形能力的限制﹐胀形程度不宜过大。胀形可用以製造平板的局部突起﹑凹坑﹑花纹﹐波纹管﹐皮带轮和自行车五通接头等。图 皮带轮液压胀形工序 为皮带轮液压胀形工序。胀形时﹐作为介质的气体﹑液体的压力随工件材料﹑厚度﹑变形情况而异﹐一般用10~13兆帕﹐也有用高能率成形和超塑成形的。胀形变形均匀﹐只需要一块模具(通常为凹模)﹐可以节省製模费用﹐但辅助工序较多﹐效率不高。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条