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    • 1. 发明申请
    • ROUND BENDER
    • US20130305798A1
    • 2013-11-21
    • US13476349
    • 2012-05-21
    • Mun Yong LEEJin Ho Jung
    • Mun Yong LEEJin Ho Jung
    • B21D5/14B21B38/00
    • B21D7/08B21D5/086
    • A round bender is disclosed. The round bender may include a plurality of bending roll units disposed along a process line between a pair of bender frames so as to bend a straight shaped beam to have a curvature. Each of the plurality of bending roll units may include upper and lower bending rolls rotating between the pair of bender frames and may be adapted to bend the shaped beam to have the curvature when the shaped beam passes between the upper and lower bending rolls. A lower bending roll of a rearmost bending roll unit disposed on a rearmost part of the process line may be configured to be rotatable with reference to an upper bending roll of the rearmost bending roll unit so as to change a curvature radius of some portion of the shaped beam.
    • 披露了一个圆形弯曲机。 圆形弯曲机可以包括沿着一对弯曲机架之间的工艺线设置的多个弯曲辊单元,以便弯曲直的成形梁以具有曲率。 多个弯曲辊单元中的每一个可以包括在一对弯曲机架之间旋转的上部和下部弯曲辊,并且可以适于在成形梁通过上部和下部弯曲辊之间时弯曲成形梁以具有曲率。 设置在处理线的最后部分的最后弯曲辊单元的下弯曲辊可以被配置为可以相对于最后弯曲辊单元的上弯曲辊旋转,以便改变最后弯曲辊单元的一部分的曲率半径 形梁。
    • 3. 发明授权
    • Notch pressing device for crash box of vehicle
    • 车辆碰撞箱的凹口按压装置
    • US08336360B1
    • 2012-12-25
    • US13279489
    • 2011-10-24
    • Mun Yong LeeSang Jin Ha
    • Mun Yong LeeSang Jin Ha
    • B21D7/06B21K1/54
    • B21D53/88B21C37/158B21D17/02B60R19/34
    • The present invention relates to a notch pressing device for a crash box of a vehicle.The notch pressing device for a crash box of a vehicle includes a lower fixing plate, an upper fixing plate mounted to the lower fixing plate by a plurality of posts, a core rotating unit that selectively rotates a core where the crash box is put and is disposed to one end of the lower fixing plate, a supporting unit that is connected to a moving die for selectively supporting a lower portion of an end of the core and that is disposed to a side of the lower fixing plate, and a forming unit which is connected to a punch, which selectively pushes the crash box put to the core for forming the notch, and that is disposed to the upper fixing plate.
    • 本发明涉及一种用于车辆碰撞箱的切口加压装置。 用于车辆碰撞箱的切口加压装置包括下固定板,通过多个柱安装到下固定板的上固定板,选择性地旋转碰撞箱放置的芯的芯旋转单元, 设置在下固定板的一端,支撑单元,连接到移动模具,用于选择性地支撑芯的端部的下部并且设置在下固定板的侧面;以及成形单元, 连接到冲头,该冲头选择性地将装在芯上的碰撞箱推入以形成切口,并且被设置在上固定板上。
    • 4. 发明授权
    • Apparatus and method for making an automotive bumper beam
    • 制造汽车保险杠梁的装置和方法
    • US5934544A
    • 1999-08-10
    • US57592
    • 1998-04-09
    • Yong-ho LeeMun-yong Lee
    • Yong-ho LeeMun-yong Lee
    • B60R19/04B21C37/08B21C37/15B21D5/06B21D5/08B21D53/88B60R19/18B21D39/02
    • B60R19/18B21D5/08B60R2019/1813E04C2003/0456Y10T29/49622
    • Disclosed is an apparatus and method for making an automotive bumper beam by a single roll forming. The apparatus of the present invention comprises an uncoiler; a straightener; a brake press; a first group of roll formers; a second group of roll formers; a final sweep roll former; adjuster; welding member; and cutting member. The method of the present invention is comprising of a step of preparing the steel sheet; a step for forming the tubular cross-sectional shape on the steel sheet; a step for forming a sweep on the steel sheet; a step for adjusting the tubular cross-sectional shape of the steel sheet; a step for welding two flanges to each other at their terminal ends; and a step for cutting the steel sheet to the predetermined length. The bumper beam manufactured according to the present invention has the tubular cross-sectional shape comprising the front wall having an central indented portion, the top and bottom walls, the upper and lower rear walls, and the upper and lower inner walls having respective flanges, by a single roll forming process.
    • 公开了一种通过单辊成型制造汽车保险杠梁的装置和方法。 本发明的装置包括开卷机; 矫直机 制动压力机 第一组轧辊成型机; 第二组轧辊; 最后一个清扫辊; 调节器 焊接件; 和切割构件。 本发明的方法包括:制备钢板的步骤; 在钢板上形成管状截面形状的工序; 在钢板上形成扫掠的步骤; 用于调整钢板的管状横截面形状的步骤; 在其末端将两个法兰彼此焊接的步骤; 以及将钢板切割成规定长度的工序。 根据本发明制造的保险杠梁具有管状横截面形状,其包括前壁,其具有中心凹入部分,顶壁和底壁,上下壁和上内壁和下内壁具有相应的凸缘, 通过单辊成型工艺。
    • 7. 发明申请
    • METHOD OF LASER WELDING
    • 激光焊接方法
    • US20130119025A1
    • 2013-05-16
    • US13316127
    • 2011-12-09
    • Mun-Yong LeeMun-Jong Song
    • Mun-Yong LeeMun-Jong Song
    • B23K26/20
    • B23K26/0884B23K26/244B23K2101/34B23K2103/04B23K2103/08
    • A method of laser welding where two steel sheets are welded by a laser beam after the two steel sheets are overlapped with a predetermined gap is disclosed.The method includes: a stitch welding step where a laser beam of focal region is irradiated along a welding portion of the upper steel sheet and the lower steel sheet such that a molten slot is formed at the upper steel sheet along the welding portion and an heat expansion portion is formed at the lower steel sheet along the welding portion by thermal conduction; and a pattern welding step where the laser beam of focal region is irradiated along the welding portion with a predetermined pattern such that an edge of the molten slot formed at the upper steel sheet is melted together with the heat expansion portion of the lower steel sheet so as to form a molten pool.
    • 公开了一种激光焊接方法,其中两个钢板在预定间隙重叠之后通过激光束焊接两个钢板。 该方法包括:沿着上部钢板和下部钢板的焊接部照射聚焦区域的激光束的焊接步骤,使得沿着焊接部分在上部钢板上形成熔融槽,并且将热量 通过热传导沿着焊接部在下钢板上形成膨胀部; 以及图案焊接步骤,其中焦点区域的激光束沿着焊接部分以预定图案照射,使得形成在上部钢板上的熔融槽的边缘与下部钢板的热膨胀部分一起熔化 以形成熔池。