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1. 发明专利

JPS55122608A ROLLING MILL 失效
公开(公告)号：JPS55122608A
公开(公告)日：1980-09-20
申请号：JP2963479
申请日：1979-03-14
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： KIZAKI KANJI , HARA TSUTOMU , HONJIYOU HISASHI , EMORI TAKASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B37/38 , B21B37/00
摘要： PURPOSE:To control fluctuation of plate crown due to the change in plate temp. so as to keep the plate crown constant independently of the change in plate temp., by detecting the change in the plate temp., which influences remarkably the fluctuation of the plate crown, in order to control the plate crown. CONSTITUTION:In rolling of a plate 8, when the temp. of the plate 8 on the inlet side of a rolling mill changes, the change in the plate temp. is measured immediately by a thermometer 9, and the output signal of the temp. is fed to an arithmetic unit 10, where the signal is converted to bending press. Then the set signal of the beding press. corresponding to the plate temp. is fed from the unit 10 to a hydraulic control valve 11 so as to adjust the hydraulic press. directed from a hydraulic source to a double-chock work roll bending unit 7 by the valve 11, thereby controlling the plate crown by the unit 7. The controlled variable of the plate crown controlled according to the command from the unit 10 never oversteps beyond the range determined in accordance with shape dead zone, so that plate crown is controlled without throwing the plate shape into disorder.

2. 发明专利

JPS5592216A METHOD AND APPARATUS FOR CONTROLLING PLATE CROWN 失效
公开(公告)号：JPS5592216A
公开(公告)日：1980-07-12
申请号：JP16349878
申请日：1978-12-28
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： KIZAKI KIYOSHI , HARA TSUTOMU , EMORI TAKASHI , HONJIYOU HISASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B37/38 , B21B37/00
摘要： PURPOSE:To make the pass characteristic of plate stable and make control effective by determining the maximum value of plate crown control amount based on shape blind zone and distributing the control amount within that range thereby performing the plate crown control. CONSTITUTION:In rolling, the deformation resistances obtained from the width, thickness, steel kinds, temperature, etc. necessary for determining shape absolute blind zone are sent to a setter 9 by the signal from a rolling condition operating setter 8. From these values, the blind zone is operated by an arithmetic unit 10. Next, from this value, the maximum value of plate crown control amount is determined and within this range the control amount is distributed to the double chock work roll bending devices 7 of the respective stands. In this case, the degree of permissible shape is larger as it goes toward the upper stream stands and therefore the practicable blind zone may be widened and the plate crown control amount in the upstream stands may be correspondingly increased.

3. 发明专利

JPS6149707A Multistage multipass rolling mill 失效
标题翻译：多功能多辊轧机
公开(公告)号：JPS6149707A
公开(公告)日：1986-03-11
申请号：JP17079484
申请日：1984-08-16
申请人： Ishikawajima Harima Heavy Ind Co Ltd , Nippon Steel Corp , Toshiba Corp
发明人： HARA TSUTOMU , TANAKA AKIHIRO , KAWANAMI TAKAO , YAMAGUCHI SUSUMU
IPC分类号： B21B13/00 , B21B1/22 , B21B13/14 , B21B31/02
CPC分类号： B21B1/222
摘要： PURPOSE:To manufacture stably a steel sheet having a uniform sheet thickness by housing each roll chock of upper and lower rolls in a main housing of a multisage multipass rolling mill and housing each roll chock of intermediate rolls in a subhousing supported by the main housing. CONSTITUTION:In case of rolling a steel sheet 1 by a multistage multipass mill consisting of upper and lower rolls 2, 3 and intermediate rolls 4, 4; a roll chock 5 of the upper roll 2 is supported by a main housing 10 through a rolling-reduction screw 7, and a chock 6 of the lower roll 3 is supported by the housing 10 through a hydraulic cylinder 9, and a balancing cylinder 11 is interposed between both chocks 5, 6. Each of roll chocks 12, 13 of the upper and lower intermediate rolls 4, 4 is also supported by a subhousing 16 through a rolling-reduction screw 14 and a hydraulic cylinder 15. The subhousing 16 is fixed to the main housing 10 through connecting members 17, 18. Because each of the chocks 5, 6, 12, 13 is directly supported at its upper and lower parts by the rolling-reduction screw and the hydraulic cylinder, the sheet position is not deviated even when a rolling force fluctuates, and a steel sheet of uniform sheet thickness is stably manufactured.
摘要翻译：目的：为了稳定地制造具有均匀板厚的钢板，通过将多辊多辊轧机的主壳体中的上辊和下轧辊的每个辊轴承座容纳在一起，并将每个中间辊的辊轴承座容纳在由主壳体支撑的副壳中。构成：在通过由上下辊2,3和中间辊4,4组成的多级多功能轧机轧制钢板1的情况下，上辊2的辊轴承座5通过减速螺钉7由主壳体10支撑，下辊3的轴承座6由壳体10通过液压缸9支撑，平衡缸11 插入在两个轴承座5,6之间。上下中间辊4,4的每个辊轴承座12,13也通过减速螺钉14和液压缸15由底座16支撑。副轴座16是通过连接构件17,18固定到主壳体10.由于每个轴承座5,6,12,13都通过滚动减速螺钉和液压缸直接支撑在其上部和下部，所以片材位置不是即使当轧制力波动时也偏离，并且稳定地制造厚度均匀的钢板。

4. 发明专利

JPS55126310A CONTROLLING METHOD FOR SHEET CROWN IN ROLLING MILL 失效
公开(公告)号：JPS55126310A
公开(公告)日：1980-09-30
申请号：JP3310879
申请日：1979-03-20
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： KIZAKI KANJI , HARA TSUTOMU , HONJIYOU HISASHI , EMORI TAKASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B37/00 , B21B37/38
摘要： PURPOSE:To control the sheet crown without worsening the sheet shape, by installing the roll bending device in the stand except the final stand so as to be the sheet crown controlling stand, and by inputting the detected sheet crown value on the delivery side of the final stand to above stated roll bending device as the feedback. CONSTITUTION:When the sheet crown detector 14 on the delivery side of final stand S6 detects the sheet crown of the product, the output signal is inputted to the signal processor 10 which converts the input signal into the bending pressure to control the sheet crown. In the processor 10, the set value of the bending pressure is determined so as to obtain the aim final sheet crown in consideration of the shape blind sector; therefore, the actually measured value is compared with the aim crown value depending on the signal produced from the detector 14. If these two values are different, the set value of the bending pressure is corrected by using the detected sheet crown value, and the final sheet crown value is controlled to the aim sheet crown value. According to this method, the passability of the sheet is stabilized, and the improvement of the yield and quality can be contrived.

5. 发明专利

JPS55109509A CONTROLLING METHOD FOR DOUBLE CHOCK BENDER IN CONTINUOUS ROLLING MILL 失效
公开(公告)号：JPS55109509A
公开(公告)日：1980-08-23
申请号：JP1527979
申请日：1979-02-13
申请人： NIPPON STEEL CORP , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： KIZAKI KANJI , HARA TSUTOMU , HONJIYOU HISASHI , EMORI TAKASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B29/00 , B21B37/00 , B21B37/38
摘要： PURPOSE:To thoroughly utilize the controllability of the double chock bender, by making as short as possible the increase condition at the tip end and tail end of the steel sheet, and by making utilizable the decrease condition at the middle part of the steel sheet. CONSTITUTION:At the same time as the tip end of the just rolled material is bitten into the crown control stand F4, the signal of load cell 12 is inputted to the arithmetic circuit 13 whose output is given to the control circuit 14; hereby, the bender is changed at once to the decrease condition, and the crown control is continued according to the external signal 15. At the moment that the tail end of steel sheet passes over the stand F3 in front of the crown control stand F4, the signal of load cell 12' is inputted to the arithmetic circuit 13; and the timing of arrival of the tail end of the steel sheet at the control stand F4 is previously operated and forecast by the arithmetic circuit 13 depending on the rotational speed signal given by the rotation detector 16 and the rolling load signal produced from the load cell 12. Just before that timing, the bender 5 is changed to the increase side by the control circuit 14. According to this method, the decrease side controllability of the bender 5 can be effectively utilized.

6. 发明专利

JPS55122607A ROLLING MILL 失效
公开(公告)号：JPS55122607A
公开(公告)日：1980-09-20
申请号：JP2963379
申请日：1979-03-14
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： KIZAKI KANJI , HARA TSUTOMU , HONJIYOU HISASHI , EMORI TAKASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B37/38 , B21B37/00
摘要： PURPOSE:To control plate-crown correctly and constantly, by installing a plate- crown-detecting means and a plate-shape-detecting means on the outlet side of the final stand of a continuous rolling unit, and by the feedback of the output signal of the plate-shape-detecting means to the final stand. CONSTITUTION:A material to be rolled is rolled by a series of stands from the first stand S1 to the final stand S6, and the plate crown of the product is measured by a plate-crown-detecting means 15 installed on the outlet side of the final stand S6. The measured value is inputted to an arithmetic unit 17, and is fed back to roll- bending unit 7 of the stands excepting the stand S6. That is, the detected value of plate crown is changed to a bending press. signal by the unit 17, and compared with the reference value of bending press. of each stand. When the detected value of plate crown is different from the reference value, the bending press. of each unit 7 is controlled for the correction. The plate shape on the outlet side of the stand S6 is detected 16, and the detected value is inputted to an arithmetic unit 19, then fed back to the unit 7 of the stand S6, i.e., when the plate shape is detected 16, the output signal is inputted to the unit 19, where the signal is converted to bending press.

7. 发明专利

JPS55112114A METHOD AND APPARATUS FOR SHAPE CONTROL 失效
公开(公告)号：JPS55112114A
公开(公告)日：1980-08-29
申请号：JP1878879
申请日：1979-02-20
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： EMORI TAKASHI , KIZAKI KANJI , HARA TSUTOMU , HONJIYOU HISASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B37/38 , B21B37/00 , G05D5/02
摘要： PURPOSE:To make obtainable the sheet of good shape, by detecting the sheet shape and profile on the delivery side of the stand being subhected to the double chock bending, by respectively processing the detected values, and by utilizing them for controlling the inside and outside benders. CONSTITUTION:The shape of the rolled sheet 5 on the delivery side of the rolling mill constituting of work rolls 1, 2, and upper and lower backup rolls 3, 4, being subjected to the double chock bendings FIW, FOW, and FIB, FOB, is detected by the detector 9 through the TV-camera 7; and the sheet thickness is detected by the profile detector 10 through the X-ray thickness meter 8. The signal processing circuit 11 receives outputs of above two detectors, and judges the shape of edge wave and center buckle from the shape of the sheet 5, and operates the controlled variables for the outside benders FOW, FOB, and besides, operates the controlled variables for the inside benders FIW, FIB, from the thickness of the sheet 5; hereby, the benders are controlled respectively through the hydraulic pressure converters 19-22. In this method, since the bending is controlled at the position to be free from the shape change despite the profile change, the sheet of good shape can be obtained.

8. 发明专利

JPS5592218A METHOD AND APPARATUS FOR CONTROLLING PLATE CROWN AND PLATE SHAPE IN CONTINUOUS ROLLING MILL 失效
公开(公告)号：JPS5592218A
公开(公告)日：1980-07-12
申请号：JP16350078
申请日：1978-12-28
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： KIZAKI KIYOSHI , HARA TSUTOMU , EMORI TAKASHI , HONJIYOU HISASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B37/38 , B21B37/00
摘要： PURPOSE:To hold the control amounts of the fore stage and expand the control amount of the final stand by cooperatively controlling the plural stands of the fore stage as group and letting plate crowns be controlled within shape blind zones independently of the stands of the post stage. CONSTITUTION:In the respective stands S4-S6 of the post stage, the control amounts of the plate crown of the respective stands S4-S6 are forecast and operated in an arithmetic unit 12 with the widths b1-b6 of the shape blind zone in each stand as data and the plate crowns are independently controlled within the individual shape blind zones in the respective stands by controlling pressure regulating valves 10 with respective pressure indicators 11. Here, the allowable range of the shapes is widened except in the final stand S6 and the plate crowns are controlled at the large plate crown control amounts within the practicable blind zones. In the final stand S6, the plate crown control is accomplished within the shape absolute blind zone. Thereby, the plate crown control amount in the final stand may be expanded.

9. 发明专利

JPS5592217A METHOD AND APPARATUS FOR PLATE CROWN CONTROL IN CONTINUOUS ROLLING MILL 失效
公开(公告)号：JPS5592217A
公开(公告)日：1980-07-12
申请号：JP16349978
申请日：1978-12-28
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： KIZAKI KIYOSHI , HARA TSUTOMU , EMORI TAKASHI , HONJIYOU HISASHI , TERAKAWA MASATOMO , TAKASHIMA YOSHIAKI , KAMATANI AKIHIRO
IPC分类号： B21B37/38 , B21B37/00
摘要： PURPOSE:To increase plate crown control amount and improve quality by cooperatively performing pressure controlling of the double chock work roll bending devices provided to plural stands while maintaining a fixed ratio in the same direction. CONSTITUTION:Pressure oil is supplied via line 8 to the double chock work roll bending devices 7 provided to stands. A controller (operator) 13 which operates pressure so as to permit plate crown controlling in shape blind zone from control information 14 is provided and the pressure ratio of every stand is set in each pressure setter 12 based on the command from the controller 13. Based on this set ratio, pressure regulators 9 are operated from the pressure setters 12. Based on the command from the controller 13, a solenoid valve 11 is operated to operate the roll bending devices 7 of the plural stands in the same direction while maintaining their pressures at a fixed ratio.

10. 发明专利

JPS5358879A DRUM SHEAR 失效
公开(公告)号：JPS5358879A
公开(公告)日：1978-05-27
申请号：JP13343476
申请日：1976-11-06
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON STEEL CORP
发明人： OOKUBO HIROYUKI , ISOZAKI HIROSHI , HARA TSUTOMU , MASUDA BUNPEI , ITOU YUTAKA , SUGITA KIMIYOSHI , KATSUTA HISAO , TAKEDA NAOHISA
IPC分类号： B23D25/12 , B26D1/40
摘要： PURPOSE:To prevent gap otherwise generated by a reaction force applied at the moment of shearing strips which causes the blades to deviate from each other after any adjustment of gap is made according to the thickness.

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