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- once - forming hot extrusion 一次成形挤压
- This paper deals with the numerical simulation analysis of hot extrusion forming process of the Hooke's Joint using three-dimensional elasto-plastic finite element method. 采用三维弹塑性有限元法对虎克式万向节热挤压成形过程进行了数值模拟分析。
- The silver halide fibers were made by means of hot extrusion. 采用热挤压法成型制备出卤化银多晶光纤。
- Based on discussion of the friction character-istics in hot extrusion and the disabled form of hot ex tru-sion die,the lubricating way has been probed into. 讨论了热挤压加工过程中摩擦的特点,热挤压模具失效形式;在此基础上对热挤压模具的润滑方法进行了探讨。
- By analyzing the technique features of hot extruding forming, expatiate the clew and method of a hot extrusion die design,and introduce the hot extrusion die structure and its working process of an Brigde-Shell. 通过分析热压成形工艺特点,阐述了热压模设计思路及方法,介绍了桥壳热压模具结构及工作过程。
- This paper calculates and analyzes the invalidation in aluminum hot extrusion dies. 摘要文章针对实际生产中铝型材热挤压模具的失效问题进行数值模拟。
- Finally, used Finite Element Analysis Software(DEFORM) to analyze the formability of magnesium alloy under hot extrusion. 探讨不同材料之单位长度重量与相关机械性质之关系，再以有限元素分析软体DEFORM来进行挤制成形性之研究。
- After cold isotropic pressing, sintering and hot extrusion, composites with a density close to 100% of the theoretical density is obtained. 奈米碳管和铝合金经球磨步骤之后再以湿式混粉的方式可改散奈米粉末团聚现象，之后进行热挤型可得到理论密度接近100%25材料。
- The existing shortcomings of the previous hot extrusion process of the boss quill were introduced and the prominent characteristics of the improved process were pointed out. 介绍了轮毂轴管原热挤压工艺存在的缺点与不足,指出了改进工艺的突出特点。
- Extrusion force is a very important craft parameter in hot extrusion,and its value was obtained mainly from experienced formula,especially the formula for pipe material was not established. 在热挤压工艺中挤压力是非常重要的参数,目前主要采用估算的方法来获得其数值,且没有针对管状材料的经验公式。
- This paper mainly introduces tappet hot extrusion process features, hot extrusion die design and size measurement based on 150 &396 series big power and high speed engine tappet research. 以150系列和396系列大功率高速柴油机挺柱热挤压为研究对象,着重介绍了挺柱热挤压成形工艺特点,热挤压模设计的原则,及其尺寸检测的有效方法。
- It is necessary that he be sent there at once. 有必要马上派他到那里去。
- She writes to her parents once a week. 她每周给父母写一封信。
- Numerical simulation of Hooke's Joint hot extrusion forming process using FEM 虎克式万向节热挤压成型有限元数值模拟
- More than once I've felt my heart slip a cog. 我不止一次感到心脏突然停跳一下。
- My inn had once been a part of an ancient ecclesiastical house. 我的客栈曾经是一个古老教会的房子的一部分。
- Longevity study of hot extrusion die of valve stem 气门顶杆热挤压模具寿命研究
- He and I were shipmates on a trawler once. 我与他一度同在一艘拖网船上工作。
- It was once thought unmanly not to drink and smoke. 身为男子不抽烟不喝酒曾视为无男子气概。
- Design of steel hot extrusion plant 钢热挤压车间设计
