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公开(公告)号：US4430875A
公开(公告)日：1984-02-14
申请号：US276023
申请日：1981-06-22
CPC分类号： B21B17/14
摘要： In a method of rolling tubes in a stretch-reducing rolling mill having a group drive in which the elongation, and therefore the tension is increased by increasing the speed of an auxiliary drive motor relative to that of a main drive motor, the length of the trailing "thickened end", which must be rejected as scrap, is reduced by increasing the elongation from the point in time at which the start of the trailing end portion of the tube reaches the last stand. This trailing end portion is that portion which receives a larger wall thickness than the central portion of the tube as a result of the reduced tension exerted in the trailing end portion of prior art practices. The start of this trailing end portion can be predicted from experience or by rolling a sample tube without subjecting its trailing end portion to the said increased elongation and measuring the wall thickness at the trailing end portion of the sample tube.
摘要翻译： 在具有通过增加辅助驱动电动机相对于主驱动电动机的速度而延长并因此增加张力的组驱动的拉伸还原轧机中的轧管方法中， 必须以废料的形式排出的尾部“增厚端”通过从管的后端部的起始到达最后的台架的时间点增加伸长率来减小。 该后端部分是由于施加在现有技术的后端部分的张力减小而接收比管的中心部分更大的壁厚的部分。 可以根据经验或通过滚动样品管而不使其尾端部分经受所述增加的伸长率并测量样品管的后端部分的壁厚来预测该后端部分的开始。
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公开(公告)号：US4311033A
公开(公告)日：1982-01-19
申请号：US63999
申请日：1979-08-06
申请人： Werner Demny , Hermann Moltner
发明人： Werner Demny , Hermann Moltner
CPC分类号： B21B17/14
摘要： A rolling mill roll and method of rolling tubes is provided in which the roll has an annular concave working surface in the outer periphery, said surface having a central annular concave portion of a preselected arc and a pair of side edge annular concave portions on each side of said central portion, said side edge portions having an arc of greater radius than the central portion and thus of lesser curvature than the central portion.
摘要翻译： 提供一种轧制辊和轧制管的方法，其中辊在外周具有环形凹形工作表面，所述表面具有预选弧的中心环形凹部和每侧的一对侧边缘环形凹部 所述侧边缘部分具有比中心部分大的半径的圆弧，因此具有比中心部分更小的曲率。
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公开(公告)号：US4086800A
公开(公告)日：1978-05-02
申请号：US750374
申请日：1976-12-14
申请人： Werner Demny , Hermann Moltner
发明人： Werner Demny , Hermann Moltner
IPC分类号： B21B20060101 , B21B17/14 , B21B23/00 , B21B17/00
CPC分类号： B21B17/14
摘要： A process and mill for stretch reduction rolling of tubes is provided having individually driven roll stands, said roll strands being driven so as to impart a maximum traction force, limited only by the transferability of frictional forces between roll and tube, on the tube in all the passes that grip said tube, at least in the passes at the entry end of the mill.
摘要翻译： 提供了一种用于管的拉伸还原轧制的工艺和研磨机，其具有单独驱动的辊架，所述辊股线被驱动以赋予最大牵引力，所述最大牵引力仅受到辊和管之间的摩擦力的转移性限制在管上 至少在磨机入口处的通过中握住所述管的通道。
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公开(公告)号：US4382376A
公开(公告)日：1983-05-10
申请号：US308136
申请日：1981-10-02
申请人： Hans Brauer , Werner Demny
发明人： Hans Brauer , Werner Demny
CPC分类号： B21B1/18
摘要： In the reduction of the cross section of wire, rods or bars by rolling, the work material is placed under longitudinal compression in a roughing block and/or in an intermediate block and is only under tension in a finishing block. By this means, the ends of the work material are thinned prior to entry into the finishing block, instead of being thickened as they would be if the work material were under tension in the roughing and/or finishing block. Compensation for this end thinning is effected in the finishing block due to the rolling under tension, so that wastage due to cropped thickened ends is avoided.
摘要翻译： 在通过轧制减少电线，棒或棒的横截面时，将工件材料纵向压缩在粗加工块和/或中间块中，并且在整理块中仅处于张力下。 通过这种方式，在进入精加工块之前，加工材料的端部变薄，而不是像在粗加工和/或精加工块中的加工材料处于张力下那样变厚。 由于在张力下的滚动，在精加工块中实现了这种端部变薄的补偿，从而避免了由于裁切的加厚端部引起的浪费。
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公开(公告)号：US3952570A
公开(公告)日：1976-04-27
申请号：US483371
申请日：1974-06-26
申请人： Werner Demny , Hermann Moeltner
发明人： Werner Demny , Hermann Moeltner
CPC分类号： B21B17/14
摘要： A sizing mill is provided for reducing tubes having a number of roll stands arranged one behind the other and in which the sizing pass of at least the first stand is so out of round that the first sizing pass can effect tube reduction over the whole range of external diameters of tubes to be rolled in any given rolling program.
摘要翻译： 提供了一种用于减少具有多个布置在另一个上的辊架的定径磨机，其中至少第一机架的施胶通道不圆形地使得第一施胶通道在整个范围内可以实现管子还原 在任何给定的滚动程序中要滚动的管的外径。
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公开(公告)号：US4391117A
公开(公告)日：1983-07-05
申请号：US300325
申请日：1981-09-08
申请人： Werner Demny
发明人： Werner Demny
CPC分类号： B21B1/18 , Y10T29/49991
摘要： A rolling mill and method for rolling material having a rectangular, oval or like elongated cross-sectional configuration into rod or wire, has a line of passes of which the first pass is formed by two rollers and the remaining passes are each formed by three rollers, and wherein the first pass deforms the material, whose input cross section has a ratio of the lengths of its major and minor principal axes greater than about 1:2 to an output cross section which is exactly round or a regular polygon, such as square or hexagonal or which deviates from such a geometrical configuration only to an extent such that the ratio of the lengths of the major and minor principal axes of the output cross section does not exceed about 1:2.
摘要翻译： 将具有矩形，椭圆形或类似细长横截面构造的材料轧制成棒或线的轧机和方法具有通过线，其中第一道次由两个辊形成，并且剩余通道各自由三个辊 ，并且其中所述第一通道使所述材料变形，所述材料的输入横截面具有大于约1:2的主主轴和次主轴的长度的比率，该输出横截面正好是圆形或正多边形，例如正方形 或六边形或其偏离这种几何构造的程度仅使得输出横截面的主轴和次主轴的长度之比不超过约1:2。
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公开(公告)号：US4408476A
公开(公告)日：1983-10-11
申请号：US285342
申请日：1981-07-20
申请人： Hans Brauer , Werner Demny
发明人： Hans Brauer , Werner Demny
IPC分类号： B21B1/16 , B21B1/18 , B21B1/20 , B21B13/10 , B21B31/08 , B21B31/24 , B21B39/12 , B21B45/00 , B21B13/00
CPC分类号： B21B13/103 , B21B1/20 , B21B1/18 , B21B31/08 , B21B31/24 , B21B39/12 , B21B45/004 , B21B45/008 , Y02P70/127
摘要： A rolling line for billets, bars, wire rod or the like, e.g. a roughing line has one or more rolling stands each having three or more driven rolls which are adjustable towards and away from the work material by a worm drive and a screw. The rolls are brought progressively closer together before each pass of the work material, whose cross section is thereby reduced with corresponding elongation. The direction of rotation of the rolls is reversed between each pass, unless two stands for rolling in opposite directions are provided in which case it is possible for the stands to be continuously driven but alternately operative. The work material is turned about its axis through half a roll pitch angle between each pass.
摘要翻译： 用于坯料，棒材，线材等的轧制线。 粗加工线具有一个或多个轧机机架，每个轧机机架具有三个或更多个从动辊，其通过蜗杆传动装置和螺杆可朝向和远离工件材料调节。 在工件材料的每次通过之前，轧辊逐渐靠近在一起，其横截面由此以相应的伸长率减小。 轧辊的旋转方向在每次通过之间相反，除非提供两个相反方向滚动的方式，在这种情况下，支架可以被连续地驱动而是交替地操作。 工件材料在每次通过之间绕其轴线转动半个辊间距角。
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公开(公告)号：US4347725A
公开(公告)日：1982-09-07
申请号：US131058
申请日：1980-03-17
申请人： Werner Demny
发明人： Werner Demny
CPC分类号： B21B35/02
摘要： The stand-to-stand transmission ratios between the working sizing passes at the entry end of a rolling block for rolling bars, rods or wire are fixed but are different from one another. This enables an entire range of finished workpiece cross sections to be obtained from a given first pass workpiece entry cross-sectional area, merely by omitting one or more of the working stands and shifting other working stands from one location to another and by changing only the stands of the finishing sizing passes at the delivery end of the block.
摘要翻译： 在轧制棒，棒或线的轧制块的入口端处的工作尺寸通过之间的固定传动比是固定的，但是彼此不同。 这使得能够从给定的第一通过工件进入横截面区域获得完整的成品工件横截面范围，仅通过省略一个或多个工作台和将其他工作台从一个位置移动到另一个位置，并且仅改变 在块的输送端的精加工尺寸通过的立场。
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公开(公告)号：US4306440A
公开(公告)日：1981-12-22
申请号：US121377
申请日：1980-02-14
申请人： Werner Demny
发明人： Werner Demny
CPC分类号： B21B37/52 , B21B1/18 , B21B15/0007 , B21B2273/12 , B21B35/02
摘要： A method and apparatus are provided for the rolling of bars, rods or wire to avoid thickened ends in which a number of rolling stands are provided in tandem forming a rolling line and in which one or more of the last rolling stands in the line have separate drive means with means to regulate the speed independent of the other rolling stands to provide momentarily increased speed and tension on the two ends of the material being rolled.
摘要翻译： 提供了一种方法和装置，用于轧制棒材，棒材或线材以避免加厚的端部，其中多个轧制机架串联地形成轧制线，并且其中一条或多条轧制机架在该线路中具有分离 驱动装置具有独立于其它轧机的调节速度的装置，以在被轧制材料的两端上提供瞬间增加的速度和张力。
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公开(公告)号：US4191041A
公开(公告)日：1980-03-04
申请号：US917191
申请日：1978-06-20
申请人： Hans Brauer , Werner Demny
发明人： Hans Brauer , Werner Demny
CPC分类号： B21B1/18 , B21B13/12 , B21B13/103 , B21B39/165
摘要： A rolling mill for rolling wire or rod product having a plurality of roll stands arranged one after the other, each having at least three driven rollers and in which the distance between at least two adjoining successive stands forming a group is not substantially greater than the roller diameter of the stands and the last sizing pass of each group of stands has a regular cross section in relation to the first sizing pass of the next following group.
摘要翻译： 一种用于滚动丝或棒产品的轧机，其具有一个接一个地布置的多个辊架，每个辊架具有至少三个从动辊，并且其中形成组的至少两个邻接的连续机架之间的距离基本上不大于辊 每组支架的直径和最后的施胶通道相对于下一组的第一施胶通道具有规则的横截面。
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