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1. 发明专利

JPS59156553A Method and device for direct casting of thin plate 失效
标题翻译：薄板直接铸造的方法和装置
公开(公告)号：JPS59156553A
公开(公告)日：1984-09-05
申请号：JP3036183
申请日：1983-02-25
申请人： Nippon Steel Corp
发明人： YASUDA KAZUMI , OSADA SHIYUUJI , ITOU YUKIYOSHI
IPC分类号： B22D11/06
CPC分类号： B22D11/0631
摘要： PURPOSE:To smooth the surface of a cast thin plate in a continuous casting method by which a molten metal is solidified on one side on a moving metallic plate by rolling the solidified shell after thorough solidification or just before the thorough solidification by means of rolls. CONSTITUTION:A belt 11 for casting is driven by mold driving wheels 12 and rotates upward. When the unsolidified melt 14 in a tundish 13 is charged on the surface thereof, the molten metals falls by a specified distance on the mold surface according to gravity but the mold surface moves upward and therefore the top end 17 of the molten steel arrives at a falling point 19 for the molten steel. The molten steel advances thereafter in the direction of an arrow and solidifies. The solidified steel is rolled with rolls 23, 23' and rolls 22, 22' and further the thin plate is rolled with rolls 21, 21' where the plate detaches from the belt 11. Such thin plate is coiled on a coiler 16.
摘要翻译：目的：以连续铸造方法平滑铸造薄板的表面，通过在一个移动的金属板上的一侧上固化熔融金属，通过在彻底固化之后或刚好在通过辊彻底固化之前滚动固化的壳体来固化。构成：用于铸造的带11由模具驱动轮12驱动并向上旋转。当中间包13中的未固化熔体14在其表面上被填充时，熔融金属根据重力在模具表面上落下一定距离，但模具表面向上移动，因此钢水的顶端17到达钢水落点19。此后，钢水向箭头方向前进，固化。凝固的钢用辊23,23'和辊22,22'轧制，此外，薄板用辊21,21'轧制，其中板与带11分离。这种薄板卷绕在卷取机16上。

2. 发明专利

JPS56141949A CURVED CONTINUOUS CASTING METHOD 失效
公开(公告)号：JPS56141949A
公开(公告)日：1981-11-05
申请号：JP4338280
申请日：1980-04-02
申请人： NIPPON STEEL CORP
发明人： SUZUKI YASUO , OSADA SHIYUUJI , NONAKA KOUSHIROU , MURAKAMI TADASHI
IPC分类号： B22D11/12 , B22D11/128
摘要： PURPOSE:To produce a defect-free high-temp. ingot at high casting speeds by straightening the ingot obtained from continuous casting of specified machine height by means of a pinch roll zone forming a multipoint arc then feeding the same to a horizontal roll zone of coarse pitches. CONSTITUTION:The ingot out from a continuous casting mold of the machine height kept at

3. 发明专利

JPS55120459A LONGITUDINAL CUTTING METHOD OF SLAB AND DEVICE THEREOF 失效
公开(公告)号：JPS55120459A
公开(公告)日：1980-09-16
申请号：JP2769379
申请日：1979-03-12
申请人： NIPPON STEEL CORP
发明人： OSADA SHIYUUJI , YASUDA KAZUMI , SUZUKI YASUO , OOE SHIGENORI
IPC分类号： B26F3/00 , B22D11/126 , B23D19/00
摘要： PURPOSE:To cut slab and improve productivity by generating shearing force in the rolling groove after rolling at subsequently smaller angles of the rolling groove within a limited range along with the progression of rolling pass. CONSTITUTION:The slab of a high temperature is rolled by the upper and lower rolls provided with an annular protrusion in the roll barrel part. At this time, a rolling groove is formed in the slab by making the taper angles alpha1-3 of the annular protrusion subsequently smaller within a range from 20 to 120 deg. along with the progression of the pass and rounding the corner 2 of the flat part 1 of the end of the protrusion or subsequently rolling the slab two or more times by the beveled roller protrusion. Next, the forces in the directions mutually opposite to the rolling groove bottom t3 of the slab are acted by the upper and lower rolls to cut the slab. The limitation of the taper angles of the protrusion and the avoidance of sharpness through provision of a flat part to the end prevent fracture and failure owing to thermal stress and improve the slab side edge shape.

4. 发明专利

JPS55117501A BROADSIDE ROLLING METHOD FOR METALLIC SLAB 失效
公开(公告)号：JPS55117501A
公开(公告)日：1980-09-09
申请号：JP2343379
申请日：1979-03-02
申请人： NIPPON STEEL CORP
发明人： OSADA SHIYUUJI , NAKASHIMA HIROE
IPC分类号： B21B1/02 , B21B1/22 , B21B1/26 , B21B1/46
摘要： PURPOSE:To perform the rolling work for obtaining good slab free from flaws despite a large transformation of slab breadth, by making the partial thick portion generated through the broadside rolling pass to be approximately equal to the initial slab thickness using the horizontal roll, and then, by again performing the broadside rolling with caliber roll. CONSTITUTION:The technique to change the slab breadth by giving broadside rolling to the continuously cast slab, on purpose to decrease frequency of the mold replacement in the continuous casting, is already achnowledged. This broadside rolling for the slab is performed with the vertical caliber roll; hereupon, if the breadth transformation is to be made large by increasing the rolling reduction of the broadside rolling work, the partial thick portion, so called the dog-bone, is formed at both side planes of the cast billet. If this thickness increase becomes large, it causes generation of surface flaws of the material and increase of the rolling power. After this thickness increased portion is reduced by the horizontal roll to approximately equal to the initial condition of the slab thickness, again the reverse rolling of several passes is carried out with vetical caliber roll to reduce the breadth.

5. 发明专利

JPS5621716A CUTTING METHOD OF CAST PIECE 失效
公开(公告)号：JPS5621716A
公开(公告)日：1981-02-28
申请号：JP9147779
申请日：1979-07-20
申请人： NIPPON STEEL CORP
发明人： SUZUKI YASUO , OSADA SHIYUUJI , YASUDA KAZUMI
IPC分类号： B23D19/00 , B21B15/00 , B22D11/126
摘要： PURPOSE:To suppress a generation of elongation to a level as low as possible in the central cut portion of a cast piece, by grooving, milling and then cutting the cast piece between a pair of rolls with annular protrusive parts having unsymmetrically tapered left and right sides forming said annular protrusive part. CONSTITUTION:On circumferential surfaces of a pair of rolls R, R' for cutting a cast piece S into three stripes of cut pieces 13-15, annular protrusive parts 24, 25 are formed, and the cast piece S is grooved and milled longitudinally by said protrusive parts. Tapered surfaces, for instance, 24a, 24b at left and right both sides forming the protrusive parts 24, 25 are constituted unsymmetrically in such a manner as to provide a relation theta1>theta2. The protrusive part 25 is similarly constituted. A generation of elongation in a central cut piece 14 of the cast piece S is controlled by the above described constitution to prevent a curve in the cut piece.

6. 发明专利

JPS5540050A BULGING CONTROL CONTINUOUS CASTING METHOD 失效
公开(公告)号：JPS5540050A
公开(公告)日：1980-03-21
申请号：JP11254078
申请日：1978-09-13
申请人： NIPPON STEEL CORP
发明人： OSADA SHIYUUJI , SUZUKI YASUO , OKUMURA HARUHIKO
IPC分类号： B22D11/16 , B22D11/128 , B22D11/20
摘要： PURPOSE:To prevent the occurrence of internal cracking and central segregation in the slab by detecting the bulging quantity in the specified positions of the slab from roll reaction force and determining the positions of bulging correcting rolls thereby performing controlling at the time of performing continuous casting of molten steel. CONSTITUTION:A continuously cast slab 13 is cooled by the secondary cooling zone constituted by plural stands and is thereby pulled out. Here, lower pinch rolls 16 are assembled and fixed to lower frames 19 and rolls 14 are fixed to upper frames 18. The rolls 15 are fixed to hydraulic cylinders 17 independently from the frames and the upper frames 18 are mounted to hydraulic cylinders 20 so as to permit changing of their relative positions with respect to the lower frames 19. The reaction forces of the rolls are momentarily obtained by load detectors 21, pressure detectors 22, etc. and bulging is corrected while changing the roll gaps so that the reaction forces become within the permissible reaction force for bulging correction in all the roll positions. There is no production of cracking and internal segregation in the slab and the sound slab is obtained.

7. 发明专利

JPS54133454A METHOD AND APPARATUS FOR PLASTIC WORKING FOR METAL 失效
公开(公告)号：JPS54133454A
公开(公告)日：1979-10-17
申请号：JP4028078
申请日：1978-04-07
申请人： NIPPON STEEL CORP
发明人： WATANABE KAZUO , TOKITA HIDENORI , OSADA SHIYUUJI , NAKASHIMA HIROE
IPC分类号： B21B1/00 , B21B1/02 , B21B1/08 , B21J5/00
摘要： PURPOSE:To efficiently, selectively form various size and shape, and to make possible the concentration of the copper pieces, by previously applying the forming work to the material to be rolled with the forging machine, and by working with the rolling mill. CONSTITUTION:The forging machine 6 is arranged on the continuous casting line; and after forging the cast material 3, the material is cut by the cutting machine 5. This forging machine 6 may be one of conventional type; however, for the purpose of reducing the continuously proceeding material, some degree of freedom is given to the tool, and the material to be continuously cast is desired to have the construction as compact as possible. The section of the cast material is rectagular, and the material is compressed in the direction of breadth by the forging machine 6, and a so-called dog-bone type material is obtained. The breadth can be changed according to the rolling reduction given by the forging machine. Thus prepared material is rolled in the thickness direction by the rolling mill, after or before being cut; hereby, the slabs of various breadth can be selectively obtained.

8. 发明专利

JPS54101744A AUTOMATIC CONTROLLING METHOD FOR BREADTH OF STRIP IN HOT STRIP MILL 失效
公开(公告)号：JPS54101744A
公开(公告)日：1979-08-10
申请号：JP868178
申请日：1978-01-27
申请人： NIPPON STEEL CORP
发明人： OSADA SHIYUUJI , NISHIMOTO MASANORI , YOSHIDA HAJIME
IPC分类号： B21B37/00 , B21B37/22
摘要： PURPOSE:To accurately, automatically control the breadth of strip in the roughing mill group provided with vertical rolls, by taking the temperature and the reaction force against the load of the vertical roll as the input information source, and by varying the gap of vertical rolls depending on the feedforward system. CONSTITUTION:The reaction force against the load of the upstream side vertical rolls 10 and the surface temperature of the bar FB at the same place are detected by the reaction force meter 4 and the thermometer 5, and are sent to the memory/ arithmetic unit 6. In the meantime, the clock unit 1 and the mill roll tachometer 2 of the horizontal mill 11 operate 3 the length of the bar FB at every moment since the start of rolling until the end of rolling, depending on the time counted from the start of rolling and the revolution of the roll; thus obtained length of the bar FB is sent to the memory/arithmetic unit 6. The memory/arithmetic unit 6 arithmetically processes above information so as to find out the load deviation and the temperature deviation in longitudinal direction of the bar FB, and then, forecasts the variation in the breadth. Next, the variation of the gap necessary for vertical rolls 10' in the rear stand is settled so as to eliminate this variation in the breadth; and a signal is sent to the roll gap setter 7 for adjusting the gap of vertical rolls 10'.

9. 发明专利

JPS53138963A EDGER PASS OF STEEL PLATE 失效
公开(公告)号：JPS53138963A
公开(公告)日：1978-12-04
申请号：JP5403877
申请日：1977-05-11
申请人： NIPPON STEEL CORP
发明人： OSADA SHIYUUJI , KAMIYAMA FUJIMASA , KAWARADA MINORU , NAKASHIMA HIROE
IPC分类号： B21B1/26 , B21B1/22 , B21B27/02
摘要： PURPOSE:Edger pass, prevented the abrasion or seizure of roll or flaw by over-fin, by widening the caliber bottom width wider than that of the material and regulating each slope inclination angle and depth of caliber in a fixed extent.

10. 发明专利

JPS53138915A HIGH LOAD HOT ROLLING ROLLS 失效
公开(公告)号：JPS53138915A
公开(公告)日：1978-12-04
申请号：JP5340877
申请日：1977-05-10
申请人： NIPPON STEEL CORP
发明人： OONUKI TERU , OSADA SHIYUUJI , NAKASHIMA HIROE , TOYAMA HIROSHI
IPC分类号： B21B27/00 , C22C38/00 , C22C38/40 , C22C38/48
摘要： PURPOSE:To remarkably improve the durability of work rolls for high load hot rolling used under severe rolling conditions, by making them of low alloy steel contg. a specified amt. of Ni, Cr, etc.

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