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    Hydroforming device and hydroforming method
    2.
    发明专利
    Hydroforming device and hydroforming method 有权

    公开(公告)号：JP4374394B1

    公开(公告)日：2009-12-02

    申请号：JP2008175760

    申请日：2008-07-04

    Applicant: 新日本製鐵株式会社

    Inventor： 浩一 佐藤 ,  学 和田 ,  幸久 栗山 ,  正昭 水村

    IPC: B21D26/02 ,  B21D26/033 ,  B21D26/041 ,  B21D26/043

    CPC classification number: B21D26/043 ,  B21D26/041 ,  B21D26/047

    Abstract: 【課題】ハイドロフォームの負荷経路を簡単に求めることが可能なハイドロフォーム加工装置および加工方法を提案する。
    【解決手段】金型の内部に、金属管との接触を判定することが可能な接触感知センサが、少なくとも２ヶ所以上の異なる管軸方向の位置に装着されているハイドロフォーム金型を用いて、内圧を一定の値で保持させた状態で管端を軸押しし、管端に最も近い位置に装着されている未接触の接触感知センサが金属管の接触を感知した時に軸押しの進行を停止させる第１工程を行い、次に、管端の位置を固定したまま内圧のみを上昇させ、未接触である接触感知センサのうち少なくとも一つが接触を判定した時に内圧の上昇を停止させる第２工程を行い、引き続き管端の位置を固定したまま、上昇前の値まで内圧を降下させる第３工程を行い、前記第１工程から第３工程を接触感知センサが全部接触を感知するまで繰り返すハイドロフォーム加工方法。
    【選択図】図２

    Hydroforming equipment and hydroforming method
    6.
    发明专利
    Hydroforming equipment and hydroforming method 有权
    水力发电设备和水力发电方法

    公开(公告)号：JP2010012498A

    公开(公告)日：2010-01-21

    申请号：JP2008175760

    申请日：2008-07-04

    Applicant: Nippon Steel Corp ,  新日本製鐵株式会社

    Inventor： MIZUMURA MASAAKI ,  SATO KOICHI ,  WADA MANABU ,  KURIYAMA YUKIHISA

    IPC: B21D26/02 ,  B21D26/033 ,  B21D26/041 ,  B21D26/043

    CPC classification number: B21D26/043 ,  B21D26/041 ,  B21D26/047

    Abstract: PROBLEM TO BE SOLVED: To propose hydroforming equipment and a hydroforming method by which the loading passage of hydroforming is simply determined.
    SOLUTION: In this hydroforming method, the processes from a first step to a third step are repeated until all contact is sensed with touch-sensitive sensors. The first step where pipe ends are pushed axially in the state where the internal pressure is held at a fixed value by using a hydroforming die in which touch-sensitive sensors which are possible to determine the contact with a metallic pipe are mounted in at least two or more different positions in the axial direction of the pipe in the inside of a die and the progress of the axial pushing is stopped when a non-contact touch-sensitive sensor which is mounted in the nearest position by the end of the pipe senses the contact with the metallic pipe is performed. Next, the second step where only the internal pressure is raised as fixing the position of the pipe end and the rising of the internal pressure is stopped when the contact is determined with at least one of the non-contact touch-sensitive sensors is performed. Successively, the third step where the internal pressure is lowered to the value before raising as fixing the position of the pipe end is performed.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提出液压成型设备和液压成型方法，通过该方法可以简单地确定液压成形的装载通道。 解决方案：在该液压成形方法中，重复从第一步骤到第三步骤的过程，直到用触敏传感器感测到所有接触。 通过使用可以确定与金属管接触的触敏传感器的液压成型模具，在内部压力保持在固定值的状态下将管端部轴向推动的第一步骤安装在至少两个 或更多的位于模具内部的管的轴向方向上的不同位置，并且当安装在管端部最靠近的位置的非接触式触敏传感器感测到 与金属管接触。 接下来，当利用非接触式触敏传感器中的至少一个进行接触确定时，停止仅固定内管压力的位置和内部压力上升的第二步骤。 接着，执行在固定管端的位置时将内部压力降低到上升值之前的第三步骤。 版权所有（C）2010，JPO＆INPIT

    Forming method of bent pipe by bulging with liquid pressure
    7.
    发明专利
    Forming method of bent pipe by bulging with liquid pressure 失效
    通过液压冲压成形弯管的形成方法

    公开(公告)号：JPS5973132A

    公开(公告)日：1984-04-25

    申请号：JP18353182

    申请日：1982-10-19

    Applicant: Agency Of Ind Science & Technol

    Inventor： UEDA TERUMORI ,  HIRUKAWA MASAYUKI

    IPC: B21D7/00 ,  B21D26/033 ,  B21D26/047

    CPC classification number: B21D26/047 ,  B21D7/085 ,  B21D26/043

    Abstract: PURPOSE:To form a bent pipe having no collapsion defect by introducing a bulging liquid pressure into a blank material pipe for bent while advnacing a movable forming die which forms the inside surface of the blank material pipe for bent. CONSTITUTION:A blank material pipe 10 for bent having a plug 27 inserted in its end is placed on a lower forming die 11, then an upper forming die is lowered by a die clamping press to grasp the pipe 10 between said die and the die 11, thereby applying a die clamping force thereon. A pressure oil is introduced into the advance port 24 of a pressurizing cylinder 22 to advance a pressing rod 19, and to move forward a movable forming die 17. The top end of the rod 19 is brought into contact with the end of the pipe 10 and the inside die cavity 18 of the die 17 is brought into contact partially with the inside of the pipe 10 by an initial pressing force F1. The initial bulging force is then introduced through an introducing hole 21 for the bulging liquid into the pipe 10. The initial pressing force is increased to compress the pipe 10 and the die 17 is further moved forward to increase gradually the bulging pressure. A spacer ring 26 is compressed to the position where it contacts with the forming die, and the forming is completed.

    Abstract translation: 目的：通过在形成用于弯曲的坯料管的内表面的可动成型模具的前端形成通过将膨胀液体压力引入用于弯曲的坯料管中而没有折叠缺陷的弯管。 构成：将一个插入其端部的插头27弯曲的空白材料管10放置在下部成形模具11上，然后通过模具夹紧压力机降低上部成形模具，以抓住所述模具和模具11之间的管道10 从而在其上施加模具夹紧力。 压力油被引入加压缸22的前进端口24中，以推进按压杆19，并且向前移动可移动成型模具17.杆19的顶端与管10的端部接触 模具17的内模腔18通过初始按压力F1与管10的内部部分接触。 然后通过用于使膨胀液体进入管10的引入孔21引入初始膨胀力。增加初始挤压力以压缩管10，并且模具17进一步向前移动以逐渐增加膨胀压力。 间隔环26被压缩到与成形模接触的位置，并且完成成形。

    Cold working method and apparatus of annular material
    8.
    发明专利
    Cold working method and apparatus of annular material 失效
    冷轧工艺方法及装置

    公开(公告)号：JPS5744425A

    公开(公告)日：1982-03-12

    申请号：JP11119580

    申请日：1980-08-12

    Applicant: Kobe Steel Ltd

    Inventor： NISHIHARA MASAO ,  FUKUI YOSHINORI ,  KITAMURA YOSHIO ,  KAMIKAWA YOSHIYUKI ,  AZUMA HARUKI ,  HATSUTORI SHIGEO ,  KAWAHARA MASAKATSU ,  TAKEDA MASARU

    IPC: B21D26/02 ,  B21D26/041

    CPC classification number: B21D26/045 ,  B21D26/043

    Abstract: PURPOSE: To prevent an annular material from ununiform working and to continuously make it deformed by making an annular groove at the end surface in the axial direction of an annular material to hold a packing in it and by controlling the pressing force between the packing and pressing plate to keep a value in the prescribed range.
    CONSTITUTION: An annular groove 2 is made to enclose an opening of an inner hole at the both end faces in the axial direction of an annular material 1 to be worked. A ring shaped metallic packing 3 and a low pressure service rubber o-ring 4 are fitted parallel in the inner and outer diametrical direction in the groove 2, and the upper and lower openings of the inner hole of the annular material 1 are covered by corresponding upper and lower pressing plates 5 to press the packing 3 with the pressing plates 5 to freely slide during the enlarging process of the diameter of the annular material 1 due to the increasing of the inside pressure. Meanwhile the main pressure P
    2 applied upon the inside hole of the annular material 1 and the sub-pressure P
    1 being applied to the packing 3 by the pressing plates 5 and the diamensional change of the annular material 1 are detected and calcurated to plastically or elastically deform the packing 3 according to the increasing of the diameter of the annular material 1.
    COPYRIGHT: (C)1982,JPO&Japio

    Abstract translation: 目的：为了防止环形材料的不均匀加工，并通过在环形材料的轴向方向上的端面处形成环形槽以使其保持密封并且通过控制包装和压制之间的按压力而使其变形 盘子保持在规定范围内的值。 构成：环形槽2被制成围绕要被加工的环形材料1的轴向两端面的内孔的开口。 环形金属制填料3和低压用橡胶O形环4在槽2的内径和外径方向平行配合，环形材料1的内孔的上下开口被相应的 上下压板5由于内压增加而在环形材料1的直径扩大过程中用压板5按压填料3自由滑动。 同时，通过压板5施加到环形材料1的内孔上的主压力P2和施加在填料3上的副压力P1和环形材料1的直尺变化被检测并压缩成塑性或弹性变形 填料3根据环形材料1的直径的增加而增加。

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