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- Elastic cushion is usually used to suppress dimpling in the MPF process and its effect is obvious, but it also affects the precision of forming shape. 多点成形过程中的弹性垫技术是抑制压痕的有效方法,但是弹性垫的使用对成形件的形状也有影响。
- To obtain the exact object shape, the forming surface of MPF must be corrected based on the deformation of elastic cushion. 为得到精确的成形件,在成形面造型时必须基于弹性垫的变形对基本体群成形面进行修正。
- Numerical results and forming tests of typical specimens demonstrate that dimples are eliminated effectively by means of elastic cushion and multi-step MPF. 通过典型的数值模拟及成形实验说明?弹性垫技术及多道成形技术消除压痕缺陷的有效性。
- The results showed that enwrapping dimple is main style produced in the multi-point stretching process, the dimples can be suppressed effectively when elastic cushion was used. 研究结果表明：多点拉形工艺中的压痕主要分为包络式和凹凸式压痕；采用弹性垫技术能够有效抑制压痕的产生；
- The simulation results show that the elastic cushion and the stepped blank holder can suppress the dimpling and wrinkling defects,leading to better parts with smooth surface. 分析了拼焊板多点成形过程中出现的压痕和起皱现象及其抑制方法，探讨了焊缝偏移的影响因素。
- The formation of the defective dimple and its influencing factors in multi-point forming (MPF) process of sheet metal were analysed mechanically and it was indicated that dimpling defect could be eliminated evidently with elastic cushion. 摘要对多点成形中压痕缺陷的形成及影响因素进行了力学分析，指出弹性垫技术可以明显地消除压痕缺陷。
- He lay on the floor with a cushion under his head. 他躺在地板上，头下枕着一个垫子。
- Powerful shock absorbers cushion our landing. 有效的减震装置缓解了我们著陆时的冲撞力。
- He covered the cushion with new material. 他给靠垫蒙上了新的料子。
- She embroidered the cushion with flowers. 她把垫子绣上了花。
- The cushion needs to be shaken up. 这个靠垫得拍松了。
- The cushion was stuck full of pins. 针插上插满了针。
- It snapped back like a piece of elastic. 它像一条橡皮带那样迅速弹回。
- She made a cushion out of odd bits of material. 她用碎布头做了个靠垫。
- Numerical analysis of the deformation of elastic cushion and its effect on the forming results in MPF of sheet metal 多点成形中弹性垫变形及其对成形结果影响的数值分析
- All elastic materials possess this property to a certain degree. 所有弹性材料在一定程度上都具有这种特性。
- The training program help to cushion the effect of unemployment. 这项训练计划有助於缓冲失业造成的影响。
- Keywords machine manufacturing technique and equipment;stretching;multi-point die;numerical simulation;dimple;elastic cushion; 机械制造工艺与设备;拉形;多点模具;数值模拟;压痕;弹性垫;
- She embroidered flowers on the cushion (in gold thread). 她(用金线)在垫子上绣花。
- Don't worry about him; he is a cheerful and elastic man. 别为他担心;他是个快活开朗的人。
