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    • 1. 发明授权
    • Method and device for controlling the welding by flash welding of two metallic parts
    • 通过两个金属部件的闪光焊接控制焊接的方法和装置
    • US06875948B2
    • 2005-04-05
    • US10378666
    • 2003-03-05
    • Pascal GobezAfchine NasserianMarc Valence
    • Pascal GobezAfchine NasserianMarc Valence
    • B21B15/00B23K11/04B23K11/24B23K103/04
    • B23K11/043
    • The invention concerns a method for controlling the butt welding, by flash welding, of two metallic parts (A, A′) in a welding machine of the type comprising two pairs of clamping dies (2, 2′) mounted respectively on a fixed frame (1) and on a mobile frame (1′) for contacting rear (3) and front (3′) ends of both parts (A, A′) and the flow of an electric welding current.According to the invention, on the one hand a set of electric parameters including at least the voltage (Us) and the intensity (Is) of the welding current and on the other hand the relative position of the mobile frame (1′) with respect to the fixed frame (1) are measured at any moment and the travel of the mobile frame (1′) is regulated in position from at least one of the measured value of said electric parameters, in order to control the closing-in speed v(t) of the ends (3, 3′) of both parts (A, A′) taking in account the progress of the welding process, during at least a portion thereof.
    • 本发明涉及一种用于通过闪光焊接来控制焊接机中的两个金属部件(A,A')的对接焊接方法,该焊接机包括分别安装在固定框架上的两对夹紧模具(2,2'), (1)和用于接触两部分(A,A')的后部(3)和前部(3')端部的移动框架(1')和电焊接电流的流动。根据本发明,在 一方面包括至少包括焊接电流的电压(Us)和强度(Is)的一组电参数,另一方面,移动框架(1')相对于固定框架(1)的相对位置, 在任何时候测量并且移动框架(1')的行程从所述电参数的测量值中的至少一个调节到位,以便控制端部的接合速度v(t) 在其至少一部分期间考虑到焊接过程的进展的两个部分(A,A')的3,3''。
    • 3. 发明授权
    • Method and device for stabilizing high-speed unwinding of a strip product
    • 用于稳定条带产品的高速展开的方法和装置
    • US07300018B2
    • 2007-11-27
    • US10494358
    • 2002-11-12
    • Thierry MalardMarc ValenceChristian Viel
    • Thierry MalardMarc ValenceChristian Viel
    • B65H23/24
    • B21C47/34B21B1/40B21B38/02B21B41/00B21B41/08B21B2003/001B21B2015/0064B21C47/06B65H18/08B65H2406/351B65H2601/211B65H2701/173
    • The invention relates to a method and a device for stabilizing high speed running along a longitudinal direction, of a band (4) applied on a rotary surface (3) and along which a portion of the surrounding air forms a boundary layer (43) trapped with the band (4).According to the invention, a deflecting member (5) is placed in the dihedron (G) between the band (4) and the rotary surface (3). Said deflecting member (5) has a face (50) directed toward the band which is tilted with respect thereto and is fitted with at least one orifice (55) emerging into an inner space (51) provided inside said deflecting member (5) and connected to an outer zone. Thus, said tilted face (50) forms, with the inner face (41) of the band (4), a convergent (C1) wherein the pressure increases with respect to the pressure in the inner space (51) and the differential pressure determines the exhaust of a certain air flow rate through the orifice (55) and the separation of the remaining portion of the air mass trapped in the boundary layer (43).
    • 本发明涉及一种用于稳定沿着纵向方向的高速行驶的方法和装置,所述方法和装置用于施加在旋转表面(3)上的带(4),并且周围空气的一部分形成边界层(43)被捕获 与乐队(4)。 根据本发明,偏转构件(5)被放置在带(4)和旋转表面(3)之间的二面体(G)中。 所述偏转构件(5)具有朝向带倾斜的面(50),所述面(50)相对于所述带倾斜并装配有至少一个出口到设置在所述偏转构件(5)内部的内部空间(51)内的孔口(55) 连接到外部区域。 因此,所述倾斜面(50)与带(4)的内表面(41)形成会聚(C 1 H 1),其中压力相对于内部空间中的压力增加 (51),并且差压确定通过孔口(55)的一定空气流量的排出和捕获在边界层(43)中的空气团块的剩余部分的分离。
    • 5. 发明授权
    • Mill roll with a deformable casing
    • 轧辊与可变形外壳
    • US4914795A
    • 1990-04-10
    • US154253
    • 1987-12-28
    • Michel MorelMarc Valence
    • Michel MorelMarc Valence
    • F16C13/00B21B13/14B21B27/02B21B27/05B21B27/08
    • B21B27/055F16C13/028
    • A mill roll with a deformable casing comprises a tubular casing (1), a fixed support (2) and a set of elements (3) for holding the casing in the radial directions. At least one chamber (9) fed with high-pressure fluid is formed between the fixed support (2) and each of the holding elements (3). The end of the holding elements (3) is separated from the inner surface of the casing (1) by means of a fluid film occupying a zone (12) in the form of a sector of a ring. The zone (12) is in communication, at one of its ends, with a low-pressure fluid feed duct (14) and, at its other end, with a fluid recovery duct (15). This results in the formation of a hydrodynamic bearing during the rotation of the casing (1), which is fed completely independently of the high-pressure supply to the chamber (9).
    • PCT No.PCT / FR86 / 00151 Sec。 371日期1987年12月28日第 102(e)日期1987年12月28日PCT申请日1986年4月30日PCT公布。 出版物WO87 / 06660 日本1987年11月5日。具有可变形外壳的轧辊包括管状壳体(1),固定支撑件(2)和用于沿径向保持壳体的一组元件(3)。 在固定支撑件(2)和每个保持元件(3)之间形成有供给高压流体的至少一个腔室(9)。 保持元件(3)的端部通过占据环形扇形形式的区域(12)的流体膜与壳体(1)的内表面分离。 区域(12)在其一端与低压流体供给管道(14)连通,并且在其另一端与流体回收管道(15)连通。 这导致在壳体(1)的旋转期间形成流体动力轴承,其完全独立于高压供应给腔室(9)进料。
    • 9. 发明授权
    • Process and apparatus for rolling a metal sheet or strip
    • 用于轧制金属板或带材的方法和设备
    • US4912956A
    • 1990-04-03
    • US179948
    • 1988-04-11
    • Paul MatriconMarc Valence
    • Paul MatriconMarc Valence
    • B21B13/14B21B29/00B21B37/36
    • B21B29/00B21B37/36B21B2269/04B21B27/055
    • A process and apparatus for rolling a metal product (5) in a "four-high" type rolling mill comprising two work rolls (1) and (2) interposed between two backup rolls (3) (4) at least one of which is of the variable camber type having a cylindrical casing (33) mounted on a central shaft (31), the profile of the casing (33) being adjustable. The other backup roll (4) is a simple solid coacting roll whicl deforms freely under the action of the pressure load to form a line of support (47) which is concave in the direction of the roll pass (50). The deformation of the casing (33) of the variable camber backup roll (3) is controlled so as to form a line of support (37) which is convex in the direction of the roll pass (50) and substantially parallel to the line of support (47) of the coacting roll (4), and the camber of the work roll (1) is adjusted so as to maintain a constant thickness of the roll pass over the entire width of the product (5), the latter on leaving the rolling mill having an incurved transverse profile capable of being subsequently corrected.
    • 一种用于在“四高”型轧机中轧制金属制品(5)的方法和装置,包括两个工作辊(1)和(2),它们插在两个支承辊(3)(4)之间,其中至少一个是 具有安装在中心轴(31)上的圆柱形壳体(33)的可变曲面型,所述壳体(33)的轮廓是可调节的。 另一个支承辊(4)是一个简单的固体共挤压辊,在压力作用下自由变形,形成一个在辊道(50)的方向上是凹的支撑线(47)。 控制可变外倾支承辊(3)的壳体(33)的变形,以便形成沿辊道(50)的方向凸起并且基本上平行于 调整共同作用辊(4)的支撑体(47)和工作辊(1)的弯度,以便在产品(5)的整个宽度上保持辊道的恒定厚度,后者在离开时 轧机具有能够随后校正的弯曲横向轮廓。
    • 10. 发明授权
    • Process for adjusting the thickness and profile of a flat product in the
course of rolling
    • 在轧制过程中调整平板产品的厚度和型材的工艺
    • US4651547A
    • 1987-03-24
    • US568470
    • 1984-01-05
    • Michel MorelMarc Valence
    • Michel MorelMarc Valence
    • B21B37/00B21B13/14B21B27/02B21B27/05B21B37/28B21B37/34B21B37/36D21G1/02F16C13/00B21B29/00B21B37/12
    • F16C13/028B21B37/36D21G1/022B21B27/055
    • At an installation comprising a roll stand having at least one roll of the variable camber type, comprising a fixed support and a casing carried by at least three jacks and rotationally movable about the support, the pressure of the fluid in each of the jacks (14), the position of the pistons of these jacks, the speed of rotation of the roll, and the flatness and thickness of the flat product are measured. The position of one of the jacks (14b) is controlled by the thickness measurement. The pressure in the other jacks (14a, 14c, 14d, 14e) is controlled by the pressure in the one jack (14b). The positions of the end jacks (14a and 14e) are compared and the pressure in the jacks (14) is modified in order to bring the tilt of the roll to a suitable value. The deformation of the fixed support is calculated and the shape of the generatrix of contact of the roll is determined. The pressure in the jacks (14) is modified in order to bring the generatrix to a reference shape. The invention is particularly applicable to four-high rolling mills having variable camber supporting rolls.
    • 在包括具有至少一个可变弧形辊的辊架的装置中,包括固定支撑件和由至少三个插座承载并且围绕支撑件可旋转地移动的壳体,每个插座(14)中的流体的压力 ),测量这些千斤顶的活塞的位置,辊的旋转速度以及扁平产品的平坦度和厚度。 其中一个插座(14b)的位置由厚度测量来控制。 其他千斤顶(14a,14c,14d,14e)中的压力由一个千斤顶(14b)中的压力控制。 比较末端插座(14a和14e)的位置,改变插座(14)中的压力,以使卷筒的倾斜度达到合适的值。 计算固定支架的变形,确定轧辊接触母线的形状。 插座(14)中的压力被修改以便将母线引导到参考形状。 本发明特别适用于具有可变外倾支撑辊的四辊轧机。