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1)  limit drawing coefficient
极限拉深系数
1.
Simulation study on limit drawing coefficient of cylindrical part;
筒形件极限拉深系数数值模拟实验研究
2.
Study on technological method of reducing limit drawing coefficient;
降低极限拉深系数的工艺措施
3.
This formula to express the relation of limit drawing coefficient and friction factor is given in this paper.
通过对板料拉深法兰变形区和直壁传力区的应力分析 ,应用功平衡法 ,推导了极限拉深系数与摩擦系数之间的关系式 ,并讨论了摩擦对拉深性能的影响。
2)  limit drawing ratio
极限拉深系数
1.
Optimization of limit drawing ratio of cylinder part
筒形件极限拉深系数的优化
2.
And it is proved that it can reach smaller limit drawing ratio by the deep drawing experiments.
通过拉深工艺试验证明该曲面凹模可以达到很小的极限拉深系数
3)  Deep-drawing limit
拉深极限
4)  Limited Deep Drawing
极限拉深
5)  limiting drawing ratio
极限拉深比
1.
In order to validate the simulation results,the limiting drawing ratio tests were also performed.
采用Gleeble3500热模拟实验机进行了单向拉伸实验,分析了AZ31镁合金板材的力学性能;以此实验数据为基础,对温热冲压过程进行了数值模拟,研究了拉深温度、压边力等工艺因素对镁合金板材成形性能的影响;通过极限拉深比实验,对数值模拟结果进行了实验验证。
2.
It was found that the formability of the AZ31 magnesium alloy sheet with thickness of 1mm was better between 200 ℃ and 275 ℃, and the limiting drawing ratio(LDR) was 2.
结果表明:在200~275℃之间,板厚为1mm的AZ31镁合金薄板具有较佳的热拉深成形性能,可得到最大极限拉深比为2。
3.
The factors which affect the formability and limiting drawing ratio (LDR) is also discussed, including mould structure, forming temperature, drawing speed, blank holder method, lubricating condition, et al.
主要介绍了镁合金塑性加工工艺中拉深工艺的研究情况,并结合作者的研究论述了在镁合金拉深过程中模具结构、成形温度、拉深速度、润滑条件、压边方式等对拉深成形效果和极限拉深比的影响,以此为镁合金拉深件的设计及拉深工艺的制定提供参考。
6)  limit drawing ratio
极限拉深比
1.
The effect of deformation temperature and deformation speed on the limit drawing ratio (LDR) and microstructure of the roll-casting AZ31 magnesium alloy sheet.
研究了变形温度、变形速度对铸轧AZ31镁合金板的极限拉深比(LDR)和组织的影响。
补充资料:稳定极限和静态稳定储备系数


稳定极限和静态稳定储备系数
stability limit and steady state stability margin

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