METHOD OF REDUCING WRINKLES IN PRESSED SHEET METAL COMPONENTS
    41.
    发明申请
    METHOD OF REDUCING WRINKLES IN PRESSED SHEET METAL COMPONENTS 审中-公开
    减少压片金属部件中的皱纹的方法

    公开(公告)号:US20150047406A1

    公开(公告)日:2015-02-19

    申请号:US14333208

    申请日:2014-07-16

    CPC classification number: B21D35/001 B21D5/00 B21D22/00 B21D22/201

    Abstract: A method of forming a sheet metal component includes the steps of initially forming a profiled blank from a metal sheet and then identifying on a surface of the blank, one or more wrinkle lines across which a buckling stress exceeds a critical buckling stress limit. Then at least one slot is cut into in the profiled blank, with the or each slot extending entirely through a thickness of the profiled blank and being coincident with one of the wrinkle lines, and a hole is cut at one end of the slot with the hole having a diameter greater than a lateral width of the slot. The profiled blank is then processed in a pressing operation to form a shaped blank with one or more welding operations being carried out on the shaped blank along each slot to produce a finished sheet metal component.

    Abstract translation: 一种形成钣金件的方法包括以下步骤:首先从金属板形成型坯,然后在坯料的表面上识别一个或多个皱折线,其中屈曲应力超过临界屈曲应力极限。 然后在成型坯料中切割至少一个槽,其中或每个槽完全延伸穿过异型坯料的厚度并与其中一条皱纹线重合,并且在槽的一端处切割孔 孔的直径大于槽的横向宽度。 然后在挤压操作中处理异形坯料以形成成形坯料,其中沿着每个槽在成形坯料上进行一个或多个焊接操作以产生成品的金属片。

    Press forming method for metal sheet and frame part for automotive body manufactured thereby
    42.
    发明授权
    Press forming method for metal sheet and frame part for automotive body manufactured thereby 有权
    由此制造用于汽车车身的金属板和框架部件的压制成形方法

    公开(公告)号:US08511129B2

    公开(公告)日:2013-08-20

    申请号:US12444185

    申请日:2007-01-22

    CPC classification number: B21D22/22 B21D22/201 B21D37/01

    Abstract: A press forming method for a metal sheet uses dies, a surface roughness of which is an arithmetical mean roughness Ra of 7.5 μm or smaller, which are used as a punch, an upper die, and a blank holder. Fluid with a kinematic viscosity of 500 mm2/s or lower is supplied to a space between a metal sheet and the blank holder, a space between the metal sheet and the punch, and a space between the metal sheet and the upper die. A die is detached from a workpiece in the middle of forming, and resuming the forming.

    Abstract translation: 用于金属板的压制成型方法使用模具,其表面粗糙度为7.5μm或更小的算术平均粗糙度Ra,用作冲头,上模和坯料夹持器。 将运动粘度为500mm 2 / s以下的流体供给到金属板和坯料保持架之间的空间,金属板和冲头之间的空间以及金属板与上模之间的空间。 模具在成型中间与工件分离,并恢复成型。

    HEAT TRANSFER TUBE FOR STEAM GENERATOR AND METHOD FOR PRODUCING THE SAME
    43.
    发明申请
    HEAT TRANSFER TUBE FOR STEAM GENERATOR AND METHOD FOR PRODUCING THE SAME 审中-公开
    用于蒸汽发生器的热交换器及其制造方法

    公开(公告)号:US20130118420A1

    公开(公告)日:2013-05-16

    申请号:US13806520

    申请日:2011-06-07

    Abstract: In a heat transfer tube for a steam generator, a surface roughness of an inner surface of the tube is measured along a longitudinal direction and an amount of dimensional variation in a length of 50 mm taken from a measured roughness chart is 4 μm or less and an amount of bend crookedness in a portion of a length of 1000 mm from a tube end is 1 mm or less. Hence, when the tube is produced, an inspection of the tube by an eddy current flaw detection can be conducted at a high S/N ratio and hence an inspection efficiency can be improved, and when the tube is assembled into a heat exchanger, the assembling operation can be easily performed.

    Abstract translation: 在用于蒸汽发生器的传热管中,沿着纵向方向测量管的内表面的表面粗糙度,并且从测量的粗糙度图取得的长度为50mm的尺寸变化量为4μm或更小, 从管端的长度为1000mm的部分的弯曲弯曲量为1mm以下。 因此,当制造管时,可以以高S / N比进行涡流探伤的管的检查,从而可以提高检查效率,并且当将管装配到热交换器中时, 可以容易地进行组装操作。

    IRONING METHOD AND IRONING APPARATUS
    44.
    发明申请
    IRONING METHOD AND IRONING APPARATUS 有权
    熨烫方法和熨烫装置

    公开(公告)号:US20110114128A1

    公开(公告)日:2011-05-19

    申请号:US12934167

    申请日:2009-03-19

    CPC classification number: B21D22/28 B21D22/201

    Abstract: An ironing apparatus includes an ironing die and an ironing punch, an injection port for injecting gas or liquid to the metal plate at a high pressure to remove substance adhered to the metal plate therefrom, a suction port for sucking the adhered substance removed from the metal plate, and a protrusion mount portion with a protrusion for preventing dispersion of the gas or the liquid. An ironing method for ironing the metal plate having the single surface or both surfaces coated with the organic resin film includes the steps of injecting the gas or the liquid from the injection port to the metal plate at the high pressure to remove the adhered substance from the metal plate, and sucking and collecting the adhered substance removed from the metal plate from the suction port. The adhered substance such as the hair may be removed by the aforementioned invention.

    Abstract translation: 熨烫装置包括熨烫模具和熨烫冲头,用于将气体或液体高压注入金属板的注入口,以除去附着在金属板上的物质,用于吸附从金属中除去的附着物质的吸入口 板和具有突起的突起安装部分,用于防止气体或液体的分散。 用于熨烫具有涂覆有机树脂膜的单面或两面的金属板的熨烫方法包括以下步骤:将来自注射口的气体或液体以高压注入金属板,以从 金属板,并且从吸入口吸收和收集从金属板除去的粘附物质。 通过上述发明可以除去毛发等附着物。

    Elevated temperature forming method and preheater apparatus
    46.
    发明申请
    Elevated temperature forming method and preheater apparatus 有权
    高温成型方法和预热装置

    公开(公告)号:US20100192659A1

    公开(公告)日:2010-08-05

    申请号:US12366310

    申请日:2009-02-05

    CPC classification number: B21D22/208 B21D22/201 B21D24/16 B21D37/16

    Abstract: An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece.

    Abstract translation: 在多级预热器的第一级位置设置金属板工件的高温成形系统被加热到低于期望的预热温度的第一级温度,被移动到最终级位置 将其加热到期望的最终阶段温度,转移到成形压机,并由成型压机形成。 预热器包括将热量传递到设置在压板之间的工件中的上压板和下压板。 垫片将上压板与下压板隔开一段距离大于被压板加热的工件的厚度,并且小于上压板需要不希望的高输入能量以有效加热工件的距离,而没有 被压接与工件接触。

    Method for the production of high-precision half shells with high dimensional precision
    47.
    发明申请
    Method for the production of high-precision half shells with high dimensional precision 有权
    生产具有高精度的高精度半壳的方法

    公开(公告)号:US20090255317A1

    公开(公告)日:2009-10-15

    申请号:US12418957

    申请日:2009-04-06

    CPC classification number: B21D22/201 B21D13/00 B21D22/22

    Abstract: A method for converting blanks by drawing in a tool with a ram, a die and a pressure pad wherein, converted blanks with high dimensional precision can be produced, includes feeding a blank with a plurality of bulges to the tool. In flange regions of the blank the pressure pad is moved in a first process step of the method into a first position, which corresponds to the height of the bulges of the flange region of the blank added to the blank thickness. In the first process step the blank is preformed in the tool using the ram and in a second process step the pressure pad and the ram are moved into the end positions, so that the blank is converted by the ram to the end form and the pressure pad smoothes the bulges of the flange regions of the blank.

    Abstract translation: 一种用于通过在具有冲头,模具和压力垫的工具中拉制坯料的方法,其中可以产生具有高尺寸精度的转换坯料,包括将多个凸起的坯料供给到工具。 在坯料的凸缘区域中,压力垫在该方法的第一工艺步骤中移动到第一位置,其对应于加入坯料厚度的坯料的凸缘区域的凸起的高度。 在第一工艺步骤中,坯料使用压头在工具中预成型,并且在第二工艺步骤中,压力垫和压头移动到端部位置,使得坯料由压头转换成端部形状,压力 垫片平滑了坯料的凸缘区域的凸起。

    Method for making hollow workpieces

    公开(公告)号:US5742993A

    公开(公告)日:1998-04-28

    申请号:US698503

    申请日:1996-08-15

    Inventor: Tyzh-Chiang Sun

    Abstract: A method for making hollow workpieces such as beverage containers with a circular die in which an aluminum alloy is strip cast whereby the alloy is solidified rapidly without substantial precipitation. Thereafter, the aluminum alloy is formed into a cup which is drawn and passed through one or more dies to iron the walls of the cup and thereby lengthen the side walls thereof using at least one circular die having a die angle of less than about 6 degrees and a chamfer angle of less than 35 degrees. It has been found that the use of such die angles prevents or minimizes galling and tearoffs.

    Draw-processing of can bodies for sanitary can packs
    50.
    发明授权
    Draw-processing of can bodies for sanitary can packs 失效
    卫生罐包罐罐体的加工

    公开(公告)号:US5732850A

    公开(公告)日:1998-03-31

    申请号:US753270

    申请日:1996-11-22

    Abstract: Draw processing flat-rolled sheet metal substrate preselectively precoated on each surface with organic coating and draw lubricant into one-piece can bodies ready for assembly into sanitary can packs free of any requirement for applying organic coating or adding organic coating for repair purposes after fabrication and before such direct usage. Cupping of precoated flat-rolled sheet metal can stock using preselected tooling configurations and clearance avoids any increase in side wall metal thickness gage. Tension elongation during redraw is controlled over side wall height by clamping solely between planar clamping surfaces, tooling configurations and preselected clearances to decrease thickness gage uniformly over side wall height between flange metal open end of can body and curved transition zone at closed end. High production rate blanking and cupping is achieved with out-of-phase simultaneous movement of cupping die and punch which provides for rapid discharge cup-shaped work product, open-end-down on flange at open end of cup. Surface area of the cavity entrance zone for each die is fabricated about multiple radii forming sharp edge about which coated can stock is drawn into each die cavity. Curved surface transition zone for each punch is maintained large in relation to sheet metal substrate starting gage which facilitates change of configuration of metal from planar state into cylindrical side wall.

    Abstract translation: 在每个表面上预先涂覆平面轧制金属板基材,并用有机涂层将润滑剂拉成一体式罐体,准备组装成卫生罐组件,无需施加有机涂层或在制造后添加有机涂层进行修理, 之前这样直接使用。 使用预选的工具配置和间隙对预涂的平板轧制金属板进行切割可避免侧壁金属厚度计的任何增加。 通过仅在平面夹紧表面,工具配置和预选间隙之间夹紧来控制重新拉伸过程中的拉伸伸长率,从而在罐体的法兰开口端和封闭端的弯曲过渡区域之间的侧壁高度上均匀地减小厚度计。 通过挤出模具和冲头的异相同时运动实现了高生产率冲裁和拔罐,其提供了快速排出杯形工作产品,在杯的开口端的法兰上开口端向下。 制造每个模具的空腔入口区域的表面积围绕多个半径形成锋利的边缘,围绕该边缘将涂覆的罐坯材拉入每个模腔。 每个冲头的弯曲表面过渡区域相对于金属板材起始量具保持较大,这有助于金属从平面状态变成圆柱形侧壁。

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