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    • 7. 发明申请
    • METHOD AND APPARATUS FOR FORMING OF PANELS AND SIMILAR PARTS
    • 用于形成面板和类似部件的方法和装置
    • US20090113977A1
    • 2009-05-07
    • US12263164
    • 2008-10-31
    • Vladimir M. Segal
    • Vladimir M. Segal
    • B21D22/00
    • B21J7/18B21J13/02B21K23/00
    • The invention presents method and apparatus for forming of large thin panels and similar parts having integral stiffeners at one side of a board. The method includes progressive forming of preheated billets into sculptured dies of corresponding length and width by a forging die of substantially identical width and short length with slightly inclined and flat forging surfaces providing a smoothly convergent working zone, and a periodical transfer of the sculptured die into the working zone between successive strokes of the forging die. Control of the material flow is performed by selection of a ratio of the working zone length to the billet thickness, variable contact friction at both dies and application of additional compressive forces to the billet at ends of the working zone. For semi-continuous processing of very long parts, the sculptured die is composed by plurality of sectioned elements. Embodiments of the method are conditions of isothermal and super plastic forming of light alloys with sub-micron grained structures.
    • 本发明提出了用于在板的一侧形成大型薄板和具有整体加强件的类似部件的方法和装置。 该方法包括通过具有基本相同的宽度和短长度的锻造模具将预热的坯料逐渐成型为具有相应长度和宽度的雕刻模具,其具有略微倾斜和平坦的锻造表面,其提供平稳收敛的工作区域,并且将雕刻的模具周期性地转移到 锻造模具的连续冲程之间的工作区域。 通过选择工作区域长度与坯料厚度的比率,两个模具处的可变接触摩擦力以及对工作区域的端部处的坯料施加额外的压缩力来进行材料流动的控制。 对于非常长的部件的半连续加工,雕刻的模具由多个分段元件组成。 该方法的实施例是具有亚微米颗粒结构的轻合金的等温和超塑性成形条件。
    • 8. 发明授权
    • Method for adhesively bonded laminate for use in an electrical apparatus
such as a transformer, generator, or motor
    • 用于诸如变压器,发电机或电动机的电气设备中的粘合层压板的方法
    • US5628861A
    • 1997-05-13
    • US377841
    • 1995-01-25
    • Vladimir M. Segal
    • Vladimir M. Segal
    • B05D1/28H01F27/245H01F41/02B05D5/02B05D5/10B32B31/12
    • B32B37/1292H01F27/245H01F41/0233B32B2307/208Y10T156/1702Y10T156/18Y10T29/49078
    • A method for manufacturing a laminate comprising at least two sheets of magnetic material is disclosed. The laminate may be used to form a stacked transformer core. The method increases the productivity of the core-stacking process, decreases the core loss destruction factor, decreases total core loss, decreases acoustic noise generated by the electrical device employing the laminate, and does all of this in a manner which is commercially practical. The method comprises applying an adhesive, preferably a hot melt adhesive, in a pattern of thin beads onto one side of a first lamina or sheet of magnetic material, the pattern comprising a plurality of lines, the lines being substantially parallel to each other and substantially perpendicular to a direction of grain orientation or rolling direction of the lamina. A second lamina is then stacked onto the one side of the first lamina, and then a compressive force is applied to specified areas of the laminate. The spacing between the respective lines of adhesive is preferably 1-20 millimeters and, for an approximate diameter (D) of each bead, the spacing (S) between the beads of each line is preferably between D and 2D.
    • 公开了一种用于制造包括至少两片磁性材料的叠层的方法。 层压板可用于形成堆叠的变压器芯。 该方法提高了芯堆叠过程的生产率,降低了芯损耗破坏因子,降低了总磁芯损耗,降低了采用层压板的电气装置产生的声音噪声,并且以商业上可行的方式进行了所有这一切。 该方法包括以薄珠的图案将粘合剂(优选热熔粘合剂)施加到第一层或磁性材料片的一侧上,该图形包括多条线,该线基本上彼此平行且基本上彼此平行 垂直于晶片取向方向或层板的滚动方向。 然后将第二层层叠在第一层的一侧上,然后将压缩力施加到层压板的特定区域。 各粘合剂线之间的间距优选为1-20毫米,对于每个珠粒的近似直径(D),每条线条之间的间距(S)优选在D和2D之间。
    • 10. 发明授权
    • Method and apparatus for intensive plastic deformation of flat billets
    • 平板坯强化塑性变形方法及装置
    • US5850755A
    • 1998-12-22
    • US385334
    • 1995-02-08
    • Vladimir M. Segal
    • Vladimir M. Segal
    • B21B1/02B21B1/38B21C23/00C22F1/00C22F1/04B21C23/02
    • C22F1/04B21C23/00B21C23/001C22F1/00B21B1/38B21B2001/022
    • Methods and apparatus are described for the plastic deformation of flat rectangular billets. Simultaneous extrusion of two flat rectangular billets through a die having channels of equal cross-sectional area alters billet material structure, texture, and physicomechanical properties without altering billet dimensions. The extrusion system of the present invention prolongs die lifetime, increases punch stability, decreases punch working load and pressure requirements, eliminates the difficulties associated with lubricating movable parts of the die under high pressure and temperature, optimizes use of press space, and provides for automatic and independent ejection of extruded billets from the die. The methods of plastic deformation processing of flat rectangular billets in the present invention allow for the production of a variety of structural, textural, and physicomechanical properties previously unobtainable for large flat rectangular billets.
    • 描述了扁平矩形坯料的塑性变形的方法和装置。 通过具有相同截面面积的通道的模具同时挤压两个坯料坯料结构,质地和物理机械性能,而不改变坯料尺寸。 本发明的挤出系统延长了模具寿命,增加了冲头的稳定性,减少了冲压加工负荷和压力要求,消除了在高压和高温下润滑模具的可移动部件所带来的困难,优化了冲压空间的使用,并提供了自动化 并且将模具中的挤出坯料独立地排出。 本发明中的扁平矩形坯料的塑性变形处理方法允许生产以前对于大型扁平矩形坯料无法获得的各种结构,结构和物理机械性能。