公开(公告)号：US4299109A

公开(公告)日：1981-11-10

申请号：US128924

申请日：1980-03-10

申请人： Hiromi Matsumoto ,  Toshio Kikuma ,  Koe Nakajima ,  Akira Ohnuki

发明人： Hiromi Matsumoto ,  Toshio Kikuma ,  Koe Nakajima ,  Akira Ohnuki

IPC分类号： B21B31/18 ,  B21B13/14 ,  B21B27/03 ,  B21B13/00 ,  B21B27/00

CPC分类号： B21B13/14 ,  B21B27/03

摘要： A rolling mill includes at least one roll carrying a sleeve loosely on the barrel, and a sleeve-supporting-and-guiding unit the restricting point of which, i.e. the point at which force for axially shifting or restricting the shifting of the sleeve is applied on the sleeve, is located somewhere along the second-half semi-circular portion of the sleeve as viewed in the rotational direction of a complete turn of the sleeve ending at the loading point where the sleeve and the associated roll are subjected to loading pressure. The mill has a powerful crown-controlling capacity for workpieces varying widths, and the sleeve-supporting-and-guiding unit is sufficiently durable to withstand high speed rolling for mass production.

摘要翻译： 一种轧机包括至少一个承载着筒体上的套筒的辊，以及套筒支承导向单元，其限制点即用于轴向移动或限制套筒移动的力被施加 在套筒的第二半半圆形部分的某处，当从套筒和相关联的辊承受加载压力的装载点处的整个套筒的整个转动方向观察时，该套筒位于某个地方。 该工具对于工件宽度变化具有强大的控制能力，并且套筒支撑和导向单元足够耐用以承受大规模生产的高速轧制。

公开(公告)号：US4148426A

公开(公告)日：1979-04-10

申请号：US829464

申请日：1977-08-31

申请人： Wataru Midzutani ,  Toshio Kikuma ,  Koe Nakajima ,  Seiichi; Sasahira

发明人： Wataru Midzutani ,  Toshio Kikuma ,  Koe Nakajima ,  Seiichi; Sasahira

IPC分类号： B21C37/08 ,  B21D5/01 ,  B21D5/10 ,  B23K31/06 ,  B21D39/02 ,  B21D51/00

CPC分类号： B21D5/015 ,  B21C37/0815

摘要： A method and apparatus for manufacturing metal pipe. The edges of a metal plate are bent up slightly, and the thus bent plate is then bent into a U-shape cross-section blank. The U-shape blank is finish-formed into an O-shaped blank with the longitudinal edges opposed to each other in a position for welding by placing one end of the U-shaped blank into at least one two-part die the parts of which are movable toward and away from each other. The die has at least one portion with the shape of the opposed die recesses defining a reforming area on one end of the die portion which has an O-shaped cross-section, a finish forming area in the middle of the length of the die portion having an O-shaped cross-section, these O-shaped cross-sections being the shape of the O-shaped blank, and a transitional area at the other end of the die portion having a cross-sectional shape which changes gradually from an O-shape adjacent the finish forming area to an oval shape elongated in the direction of movement of the die parts at the other end of the die portion. The transitional area is relatively short as compared to the remainder of the die parts. This one die portion is shorter than the length of the blank. The U-shaped blank is placed in the die with the elongated dimension of the cross-section corresponding to the elongated dimension of the oval shape and with one end of the blank at the one end of the die portion, and the two part die is closed for shaping the U-shaped blank into a blank having an O-shaped cross-section reformed portion on said one end of the blank, a finished O-shaped cross-section and a transitional section. The two part die is opened and the thus formed blank along the die until the edge of the transitional section of the blank is at the end of the finished forming area of the die portion adjacent the reforming area. The steps of positioning the blank and opening and closing the die are repeated until the blank is completely formed into an O-shaped cross-section, and the opposed edges of the plate are then welded to produce the O-shaped cross-section blank.

公开(公告)号：US4122696A

公开(公告)日：1978-10-31

申请号：US789716

申请日：1977-04-21

申请人： Wataru Midzutani ,  Koe Nakajima ,  Toshio Kikuma ,  Keitaku Ondo

发明人： Wataru Midzutani ,  Koe Nakajima ,  Toshio Kikuma ,  Keitaku Ondo

IPC分类号： B21C37/08 ,  B21D5/12 ,  B21D39/02

CPC分类号： B21D5/12 ,  B21C37/0822

摘要： In a method and an apparatus for manufacturing a metal pipe wherein a flat strip or skelp is formed into a cylindrical pipe while being fed in its longitudinal direction by a forming mill having a prefinishing stand, a train of forming stands for forming the skelp with a U-shaped cross section, and a train of finishing stands, the improvement wherein both edge surfaces of the skelp are caused to contact in substantially point contact recess-defining surfaces of concave V-shaped recess in pairs of forming rolls, the respective rolls which are disposed symmetrically in a plane normal to the pass line as the skelp moves through the train of forming stands along the line, and the skelp has a bending load applied by the forming rolls so as to form the skelp into a U-shaped skelp. According to this method and apparatus, there is no need to change the forming rolls even if the diameter or wall thickness of the pipe to be manufactured are changed, and also since the skelp edge is held, during the forming process, at positions in a plane normal to the pass direction by the surfaces of the concave recesses, the skelp is not twisted around the pass line so that threading of the forming mill can be carried out accurately and easily.

摘要翻译： 在一种用于制造金属管的方法和装置中，其中通过具有预精加工台的成型机在其纵向方向上将扁平条或骨架形成为圆柱形管，用于形成具有 U形横截面和一排精加工机架，其改进在于，使两个边缘表面在成对辊对中的凹V形凹槽的基本点接触凹槽限定表面中接触，相应的辊 在沿着线条移动通过成型架列的同时，在与通过线垂直的平面中对称地配置，并且由成形辊施加弯曲载荷，以形成U形骨架。 根据该方法和装置，即使改变要制造的管的直径或壁厚，也不需要改变成形辊，并且由于在成形过程中保持Skelp边缘处于 由凹槽的表面垂直于通过方向的平面，骨架不会在通过线周围扭曲，从而能够准确且容易地进行成形轧机的螺纹加工。

公开(公告)号：US4700312A

公开(公告)日：1987-10-13

申请号：US633574

申请日：1984-07-23

申请人： Toshio Kikuma ,  Hiromi Matsumoto ,  Masayoshi Tagawa ,  Toshiyuki Kajiwara ,  Tomoaki Kimura ,  Yoshihiko Iida ,  Kenichi Yoshimoto

发明人： Toshio Kikuma ,  Hiromi Matsumoto ,  Masayoshi Tagawa ,  Toshiyuki Kajiwara ,  Tomoaki Kimura ,  Yoshihiko Iida ,  Kenichi Yoshimoto

IPC分类号： B21B37/00 ,  B21B37/68 ,  G06F15/46 ,  B21B37/12 ,  G05B11/42

CPC分类号： B21B37/68

摘要： A method and an apparatus for controlling a rolling mill which dampens a snake motion of a material being rolled is disclosed. According to this method and apparatus, an amount corresponding to the snake motion of the material being rolled is detected, and the value thus detected is added to a value corresponding to a differentiated value of said detected value. A control operation is applied to the material being rolled to thereby control the snake motion of the material.

摘要翻译： 公开了一种用于控制轧制机的方法和装置，其抑制被轧制材料的蛇运动。 根据该方法和装置，检测与被轧制材料的蛇形运动对应的量，将这样检测的值加到与所述检测值的微分值对应的值。 对被轧制材料进行控制操作，从而控制材料的蛇运动。

公开(公告)号：US5921127A

公开(公告)日：1999-07-13

申请号：US913203

申请日：1997-09-04

申请人： Shigeru Ogawa ,  Toshio Kikuma ,  Tsuyoshi Higo ,  Noriyuki Suzuki

发明人： Shigeru Ogawa ,  Toshio Kikuma ,  Tsuyoshi Higo ,  Noriyuki Suzuki

IPC分类号： B21B15/00 ,  B21B39/00 ,  B21B39/12 ,  B21B39/14 ,  B21B41/00 ,  B21B45/02 ,  B21C47/00 ,  B21C47/34 ,  B21B27/06

CPC分类号： B21C47/003 ,  B21B39/14 ,  B21C47/34 ,  B21C47/3475 ,  B21C47/3483 ,  B21B2015/0057 ,  B21B39/006 ,  B21B39/12 ,  B21B41/00 ,  B21B45/0218

摘要： A hot strip rolling mill comprises a strip front-end arresting device arranged between the finishing mill and the down-coiler, and the strip front-end arresting device holds a front-end of the strip and moves from an exit of the finishing mill to the down-coiler at high speed while it gives a tension to the strip. Pinch rollers and cooling water spraying devices composing the strip cooling line are capable of moving in the upper and the lower direction with respect to the strip surface in accordance with the movement of the strip front-end arresting device. Further, the hot strip rolling mill comprises an auxiliary drive device for giving an initial acceleration to the strip front-end arresting device, and/or a strip edge portion holding device for easily transferring the front-end of the hot strip from the strip front-end arresting device to the down-coiler.

摘要翻译： PCT No.PCT / JP97 / 00014 Sec。 371日期：1997年9月4日 102（e）1997年9月4日PCT PCT 1997年1月8日PCT公布。 公开号WO97 / 25164 日期1997年7月17日热轧轧机包括布置在精轧机和下卷机之间的带材前端止动装置，并且带材前端止动装置保持带材的前端并从出口 的精轧机以高速度向下卷绕机施加压力，同时对带材施加张力。 构成条状冷却线的夹送辊和冷却水喷射装置能够根据带状前端阻止装置的移动而沿上下方向相对于带状表面移动。 此外，热轧带钢轧机包括用于向带材前端止动装置提供初始加速度的辅助驱动装置和/或带状边缘部分保持装置，用于从条带前端容易地转移热轧带材的前端 - 向下卷取机停止装置。

公开(公告)号：US4339287A

公开(公告)日：1982-07-13

申请号：US149957

申请日：1980-05-15

申请人： Fumio Matsumoto ,  Satohiro Hayami ,  Tsutomu Haratani ,  Kunihide Takashima ,  Toshio Kikuma

发明人： Fumio Matsumoto ,  Satohiro Hayami ,  Tsutomu Haratani ,  Kunihide Takashima ,  Toshio Kikuma

IPC分类号： C21D8/12 ,  H01F1/04

CPC分类号： C21D8/1222

摘要： In a process for the production of a grain-oriented silicon steel strip, a slab is heated, hot-rolled, cold-rolled, and subjected to a decarburization annealing and secondary recrystallization annealing steps. Grain coarsening is likely to occur during the high temperature heating and remain in the final product as streaks. The secondary recrystallization is, therefore, incomplete due to the streaks. In the hot rolling, an asymmetric flow, is applied to the steel, so as to eliminate the streaks and, hence, to obtain excellent magnetic properties.

摘要翻译： 在制造晶粒取向硅钢带的方法中，对板坯进行加热，热轧，冷轧，进行脱碳退火和二次再结晶退火工序。 在高温加热期间可能会发生晶粒粗化，并将其作为条纹残留在最终产品中。 因此，二次再结晶由于条纹而不完全。 在热轧中，对钢进行不对称流动，以消除条纹，从而获得优异的磁特性。