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    • 8. 发明专利
    • Twist-extrusion working method for material
    • 用于材料的TWIST挤压工作方法
    • JP2005000990A
    • 2005-01-06
    • JP2003405169
    • 2003-10-30
    • Susumu Mizunuma晋 水沼
    • MIZUNUMA SUSUMU
    • B21C23/14B21C23/00B21C23/01B21C25/02
    • B21C23/001
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for fining the internal structure of a material by applying very large working strain to the solid material and the powdery material of metal or high polymer, etc.
      SOLUTION: In an extruding to the front part method, with which the solid material or the powdery material 1 charged in a container 3, is pushed in with a pusher 4 and deformed with a die 2 fixed in the extruding direction so as not to shift in the extruding axis (a) direction, this method and apparatus are applied, with which one side of the container 3 or the die 2 is fixed in a rotating direction so as not to rotate, and the other side is extrusion-worked with the pusher while rotating around the extruding axis (a).
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种通过对固体材料和金属或高聚物等的粉末材料施加非常大的工作应变来提炼材料的内部结构的方法和装置。解决方案: 在挤压前端部分方法中,将固体材料或粉末状材料1装入容器3中,用推进器4推入,并以固定在挤出方向上的模具2变形,从而不会在 挤出轴线(a)方向,应用该方法和装置,容器3或模具2的一侧沿旋转方向固定成不旋转,另一侧与推动器挤压加工 围绕挤出轴线(a)旋转。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Method and equipment for controlling structure of metallic tube and method for producing metallic sheet
    • 用于控制金属管结构的方法和设备及其生产金属片的方法
    • JP2004174563A
    • 2004-06-24
    • JP2002344145
    • 2002-11-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • OISHI AKIRA
    • B21B17/02B21C1/22B21C23/00B21C23/08C22F1/00
    • B21C25/02B21C23/001
    • PROBLEM TO BE SOLVED: To provide a method for controlling the structure of a metallic tube which is suitable to produce a tube material as an industrially general using material applied with large strain deformation. SOLUTION: A structure control unit 1 provided with a mandrel 11 provided with a truncated cone-state part 12 and a large diameter shaft part 13 connected with an obtuse angle θ at the interval with the peripheral surface 12a of this truncated cone-state part, a ring shaped die 16 disposed by forming a tube blank passage 19 at the interval with the large diameter shaft part, working parts 3 provided with a plurality of working rolls 17 formed as almost hourglass-state disposed by forming a working passage 20 communicated with the tube blank passage 19 at the interval with the peripheral surface 12a of the truncated cone-state part and pushing-in parts 5, 6 for pushing the metal-made tube blank 2 in the axial direction to this working part, is used. The large strain deformation changing at least the tube diameter of the tube blank 2 are repeatedly applied to the tube blank 2 by continuously giving a shearing deformation to this tube blank 2 with an ECAP method at the above obtuse angle portion while reciprocatively passing the tube blank 2 through this unit 1. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种用于控制金属管的结构的方法,该金属管的结构适于生产管材料作为应用大应变变形的工业通用的材料。 解决方案:一种结构控制单元1,其设置有心轴11,心轴11设置有截头圆锥状部分12和大直径轴部13,该圆锥状部分12和与该截锥形部分12的圆周表面12a间隔的钝角θ连接。 状态部分是通过与大直径轴部分间隔形成管坯通道19设置的环形模具16,工作部件3设置有多个工作辊17,其通过形成工作通道20而形成为几乎沙漏状态 与管坯通道19间隔地与截头圆锥状部分的周面12a和用于将金属制的管坯2沿轴向推到该工作部分的推入部5,6用于 。 通过在上述钝角部分连续地向该管坯2连续地给该管坯2进行剪切变形,同时往复通过管坯,反复施加至少管管坯2的管直径的大应变变形 2,通过本单位1.版权所有(C)2004,JPO