最新的重塑像大家展示了一个深眼眶、凹脸颊、满脸邹纹、头发和胡子凌乱的早衰的老头形象。
The new reconstruction shows a prematurely old man, with deep-set eyes, sunken cheeks, a furrowed face and ungroomed beard and hair.
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。
And it is proved that it can reach smaller limit drawing ratio by the deep drawing experiments.
分析表明,蓄水后土脑子河段已基本完成由凸岸深切河曲向宽浅河曲变化的过程,将会进一步转化为凹岸深槽的河曲。
The results reveal that after the impounding, Tunaozi Shoal transformed basically from convex-bank entrenched meander to shallow broad river, and will further develop to a concave-bank deep channel.
用这种方法研究了不同凹腔长深比、凹腔后缘倾角和不同燃料喷注方案对超声速燃烧火焰结构的影响。
Then the influence on flame structure of supersonic combustion of ratio of length and deep of cavity, obliquity of back edge of cavity and different schemes of fuel injection were studied.
拥有切、模、抛光、打凹、表面喷砂深雕及激光内雕的完整生产流水线。
Have a cut, mold, polishing, concave, deep carving and sandblasting the surface of a complete production line of laser engraving.
通过理论分析,概率修正和实验验证,确定出利用柱形凸模、锥形凹模一次拉深锥形件的极限拉深比。
Through theoretical analysis, probability revisal and experimental test, the limit drawing ratio of a tapered cup drawn by cylinder convex punch and tapered concave die is determined in tis paper.
拉深系数为0.39的两种零件,从试制到生产,证明了锥形凹模是可以实现深拉深的模具。
Two parts whose drawing coefficient are 0. 39 passed through testing to production. It proved that taper female die is used up in deep drawing.
盒形件拉深主要变形区集中在盒形件角部的法兰和凹模圆角部位。
The main deformation areas of the rectangular box in deep drawing were flanges and the circle-corners of female die in the corners.
在YA-100型四柱液压拉深机上,进行了用反应烧结氮化硅材料凹模拉深不锈钢(SUS304)的试验研究。
The drawing tests of stainless steel (SUS304) with reaction bonded Si 3N 4 ceramics die lubricated with water base lubricant were carried out using a four columns YA 100 type drawing machine.
研究表明不同可控拉深筋路径对盒形件侧壁和凹模圆角部位的应变路径影响不大,而对凸模圆角处的影响较为显著。
The results show that the different CD moving paths have little effect on the strain paths of box sidewall and die corner, which have significant effect on punch corner.
曲面凹模拉深与普通平端面凹模拉深相比,能够降低极限拉深系数,减少工序,提高效率和降低成本。
Compared with general die, to use curved die can reduce limit drawing coefficient, reduce procedures, raise efficiency and reduce costs.
曲面凹模拉深与普通平端面凹模拉深相比,能够降低极限拉深系数,减少工序,提高效率和降低成本。
Compared with general die, to use curved die can reduce limit drawing coefficient, reduce procedures, raise efficiency and reduce costs.
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