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    • 3. 发明公开
    • Stretch-forming machine
    • 拉伸成形机
    • EP0928648A3
    • 2001-01-24
    • EP98310519.8
    • 1998-12-21
    • Alstom USA Inc.
    • FORD, Jesse CarlPOLEN, Larry Alexander
    • B21D25/00
    • B21D11/02B21D25/00
    • A stretch-forming machine of the type wherein a pair of opposed curving jaws grips (24,25) opposing ends of a metal sheet to be stretch-formed in a curved configuration. Each of the jaws (24,25) are formed of an array of adjacent grippers movable relative to each other by respective hydraulic cylinders to define a part of the curve of the jaw. The improvement to the stretch-forming machine which is the subject of this application comprises a closed-loop servo-control means for moving each one of the grippers into a predetermined position relative to each other. Each of the servo-control means comprises a hydraulic cylinder position controller carried by the hydraulic cylinder of the one gripper for controlling hydraulic fluid flow to the hydraulic cylinder responsive to stored data representing the desired predetermined position of one of the grippers. A motor is provided for actuating the position controller in response to the data received by the position controller to move the hydraulic cylinder. Hydraulic cylinder position feedback means is positioned on the hydraulic cylinder for sensing the position of the hydraulic cylinder and communicating a signal representing the position of the hydraulic cylinder to the position controller.
    • 9. 发明公开
    • CUT-TO-LENGTH STEEL COIL PROCESSING LINE WITH STRETCHER LEVELER AND TEMPER MILL AND METHOD
    • ANLAGE ZUMABLÄNGENEINER STAHLSPULE MIT STRECKBIEGERICHTANLAGE UNDDRESSIERGERÜSTSOWIE VERFAHREN
    • EP3150294A1
    • 2017-04-05
    • EP16275122.6
    • 2016-09-01
    • The Material Works, Ltd.
    • Voges, Kevin C
    • B21D1/05B21B1/22
    • B21B15/0007B21B1/28B21B37/165B21B2001/228B21B2015/0071B21D1/05B21D25/00
    • A cut-to-length steel coil processing line has an un-coiling reel, a temper mill, a stretcher leveler, a shearer, and a stacking apparatus arranged to sequentially process a continuous length of sheet metal. The line may be configured such that the continuous length of the sheet metal is directed from the uncoiling reel through the temper mill to the stacking apparatus without processing through the stretcher leveler when a determined thickness of the continuous length of sheet metal is at or below a selected measurement criteria. In the alternative, the line may be configured such that the continuous length of the sheet metal is directed from the uncoiling reel through the stretcher leveler to the stacking apparatus without processing through the temper mill when the determined thickness of the continuous length of sheet metal is greater than the selected measurement criteria. A method to be carried out on such a cut-to-length steel coil processing line is also disclosed.
    • 切割长度的钢卷生产线具有未卷绕的卷轴,回火磨机,担架矫平机,采煤机和布置成顺序地处理连续长度的金属板的堆放装置。 该线可以被构造成使得当金属板的连续长度的确定厚度处于或低于一个时,金属板的连续长度从开卷卷轴通过回火磨机引导到堆叠装置,而不通过拉伸矫直机进行加工 选择测量标准。 在替代方案中,线可以被配置成使得当所确定的连续长度的金属板的厚度是(¯1)是确定的厚度时,金属板的连续长度从开卷卷轴穿过担架矫直机引导到堆垛装置, 大于所选的测量标准。 还公开了一种在这种切割长度的钢线圈加工生产线上进行的方法。