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31. 发明专利

JPS60250803A PRODUCTION OF CHANNEL STEEL 失效
公开(公告)号：JPS60250803A
公开(公告)日：1985-12-11
申请号：JP10723384
申请日：1984-05-25
申请人： AICHI STEEL WORKS LTD
发明人： SUZUKI MICHIHIKO , FURUTA OSAMU
IPC分类号： B21B1/08 , B21B1/095 , B21D5/08
摘要： PURPOSE:To produce inexpensively a channel steel by forming a web part and a pair of flange parts which have the same shape and are connected to each other linearly via projecting parts from a billet and bending the flange parts perpendicularly to the web part. CONSTITUTION:The billet is rolled by calibers 10 of an upper roll 8 and a lower roll 9 to form an intermediate product 2 having the web part 4 and a pair of the flange parts 6 which have the same wall thickness as the size of a product and are connected linearly to each other by projecting parts 6 formed perpendicularly to the points corresponding to corner angle parts 5. Recesses 7 having the radius of curvature of >=2 times the thickness of the parts 3 are preliminarily formed on the rear side of the parts 6. The product 2 is then sandwiched by pinch rollers and the flange parts 3 are stepwise formed by a projecting type roller 13 and a recessed type roller 14 disposed above and below and are thereby made perpendicular to the web part 4 without changing the thickness, by which the channel steel having the flange parts 3 parallel with each other is formed.

32. 发明专利

JPS60227901A PRODUCTION OF CHANNEL STEEL 失效
公开(公告)号：JPS60227901A
公开(公告)日：1985-11-13
申请号：JP8470084
申请日：1984-04-26
申请人： AICHI STEEL WORKS LTD
发明人： SUZUKI MICHIHIKO , OONUMA EISUKE , FURUTA OSAMU , TSUZAKI FUMIO
IPC分类号： B21B1/08 , B21B1/095 , B21D5/08
摘要： PURPOSE:To produce inexpensively a channel steel having good quality at high productivity by hot rolling a blank rolling material by means of plural sets of rolling rolls formed with calibers to form inclined flange parts on the outside and a projecting web part then subjecting the blank material to cold forming. CONSTITUTION:A billet 1 heated to a prescribed temp. is rolled by plural sets of rolling rolls which are disposed in parallel with each other, are rotated on at least either thereof by driving devices and are formed with prescribed calibers to form successively the flange parts and the web part. An intermediate product 2 having the W-shaped cross section consisting of a pair of the flange parts 3 inclined respectively toward the outside with respect to the perpendicular and the web part 4 made into a projecting shape and having the wall thickness of the flange parts 3 and the web part 4 approximately equal to the product size is obtd. The web part of the above-mentioned intermediate product 2 is cold- formed in at least two passes by plural sets of cold forming rolls disposed in parallel with each other, by which the channel steel having the parallel flange parts and the flat web part is obtd.

33. 发明专利

JPS6076202A METHOD FOR FINISH ROLLING STEEL SHAPE 失效
公开(公告)号：JPS6076202A
公开(公告)日：1985-04-30
申请号：JP18250883
申请日：1983-09-30
申请人： NIPPON STEEL CORP
发明人： MIZUSAWA MUTSUO , NAKANO KATASHI
IPC分类号： B21B1/08 , B21B1/088 , B21B1/095
摘要： PURPOSE:To roll channels having each different web height without rearranging rolls by bisecting upper and lower horizontal rolls freely movably in their axial directions respectively and adjusting the distances between respectively bisected horizontal rolls and between vertical rolls in accordance with the cross-sectional dimensions of a steel shape to be rolled. CONSTITUTION:A steel shape having a web and flanges is finish rolled by an universal mill having upper and lower horizontal rolls and a pair of vertical rolls 11, 12. The upper and lower horizontal rolls are divided respectively into two pairs of horizontal rolls 21, 22, 23, 24 freely movably in their axial directions, and the distances between respective divided horizontal rolls 21, 22, 23, 24 and between the vertical rolls 11, 12 are adjusted respectively in accordance with the cross-sectional dimensions of a steel shape to be rolled, to perfrom finish rolling. Accordingly, innumerable H-beams having each the same flange thickness fF and different web height WF can be manufactured without rearranging the rolls.

34. 发明专利

JPS6040602A ROLL MARKING METHOD OF STEEL SHAPE 失效
公开(公告)号：JPS6040602A
公开(公告)日：1985-03-04
申请号：JP14881583
申请日：1983-08-16
申请人： NIPPON STEEL CORP
发明人： FUKUSHIMA TERUHIKO , KUWABARA TOSHINORI
IPC分类号： B21B1/08 , B21B1/095 , B21C51/00
摘要： PURPOSE:To prevent the deformation, opaque, and scratch, etc. of a roll mark for bringing the mark into bold relief by stamping a vertical roll with a roll mark in intaglio and stamping the shoulder part of a product with the roll mark in relief. CONSTITUTION:The backface and the whole inside of a product are rolled by an upper horizontal roll 10 and a lower one 12, and the shoulder and flange parts of product are rolled by left and right vertical rolls 13 and 14. A prescribed roll mark 11 is stamped in intaglio on either of one or the other of rolls 13, 14, or on both rolls 13, 14. The rolling reduction at the shoulder part in finish rolling, is made sufficiently large in accordance with the height of relief of the roll mark.

35. 发明专利

JPS59109466A Member for car 失效
标题翻译：汽车会员
公开(公告)号：JPS59109466A
公开(公告)日：1984-06-25
申请号：JP22134282
申请日：1982-12-16
申请人： Nissan Motor Co Ltd
发明人： ENDOU TAKUROU
IPC分类号： B21B1/08 , B21B1/095 , B21D5/08 , B21H7/00 , B62D21/00
CPC分类号： B21H8/00 , B21D5/08 , B21D35/006 , B62D21/00
摘要： PURPOSE:To reduce the necessary material and weight, allowing the demand for strength to be satisfied, by forming the thickness of the web corresponding part of a plate thinner that of the flange corresponding part and improving the balance of the plate thickness. CONSTITUTION:In order to obtain each balance plate thickness of the web 30, flange parts 40 and 40, and corner parts C and C in a side member 10, the thickness t53 of the web corresponding part 53 of a band-shaped flat plate 50 which forms a foundation is made thinner than the thickness t54 of the flange corresponding part 54. The formed shape (E) is platically worked (press-molded) to the shape (F). Thus, the plate thickness t30 of the web 30 is made thinner than the plate thickness t40 of the flange part 40.
摘要翻译：目的：为了减少必要的材料和重量，可以通过形成较薄的法兰对应部分的板材的相应部分的厚度来满足强度要求，并改善板厚度的平衡。构成：为了获得腹板30，凸缘部40和40以及侧构件10中的角部C和C的每个平衡板厚度，带状平板50的腹板对应部分53的厚度t53 形成基础的部分的厚度比凸缘对应部分54的厚度t54更薄。所形成的形状（E）被加工（压制成型）为形状（F）。因此，使幅材30的板厚t30比凸缘部40的板厚t40薄。

36. 实用新型

JPS5939047U JPS5939047U - 失效
公开(公告)号：JPS5939047U
公开(公告)日：1984-03-12
申请号：JP13351882
申请日：1982-08-31
IPC分类号： B21B31/02 , B21B1/08 , B21B1/095 , B21D37/04 , B21D37/14 , B21H8/00

37. 发明专利

JPS5857243B2 JPS5857243B2 - 失效
公开(公告)号：JPS5857243B2
公开(公告)日：1983-12-19
申请号：JP14522579
申请日：1979-11-08
申请人： Sumitomo Metal Ind
发明人： KUSABA YOSHIAKI
IPC分类号： B21B1/08 , B21B1/095
CPC分类号： B21B1/095

38. 发明专利

JPS57199524A FORMING METHOD FOR LIGHTWEIGHT SHAPE STEEL 失效
公开(公告)号：JPS57199524A
公开(公告)日：1982-12-07
申请号：JP8246681
申请日：1981-06-01
申请人： NIPPON STEEL METAL PROD
发明人： ONDA HIROTAKU , MIYATA TSUTOMU , OGISO TSUTOMU , MIZUIWA KENICHI
IPC分类号： B21B1/08 , B21B1/095 , B21D5/08 , B21D5/14
摘要： PURPOSE:To form a band steel plate to a desired sectional shape by one pass, by passing the band steel plate through the inside of a caliber formed by one upper roll, plural lower rolls and a shoe whose bending angle is varied. CONSTITUTION:When a band steel plate of a material is passed through a molding device, the band steel plate 8 is pressed down by an upper roll in a caliber constituted of a bending surface 9 of a shoe 7, and a lower roll 5, while it passes through from the first lower roll 5 to the final lower roll 5, and a bending angle of the flange part becomes large continuously. In the caliber of the final lower roll 5, the flange part is bent to right angles, and lightweight shape steel is obtained. Subsequently, between each lower roll, the material band steel plate goes forward while being hold-bundled by the bending surface 9 of the shoe.

39. 发明专利

JPS57139403A UNIVERSAL CLOSED ROLLING METHOD 失效
公开(公告)号：JPS57139403A
公开(公告)日：1982-08-28
申请号：JP2592381
申请日：1981-02-24
申请人： SUMITOMO METAL IND
发明人： NOGUCHI SHIYUUJI
IPC分类号： B21B1/08 , B21B1/095
摘要： PURPOSE:To decrease the spring back of flanges and to improve dimensional accuracy in closed rolling by constituting a caliber with upper and lower horizontal rolls, and adjusting the axial direction of the upper and lower horizontal rolls with right and left vertical rolls. CONSTITUTION:A caliber 3 is formed by combining upper and lower horizontal rolls 1, 2, and a kal clearance (g) is taken between upper and lower roll sleeves 6, 7. On the other hand, right and left vertical rolls 8, 9 are disposed on both side faces of the sleeves 6, 7, and these are so arranged as to attain DELTAV

40. 发明专利

JPS56160803A STEEL CHANNEL 失效
公开(公告)号：JPS56160803A
公开(公告)日：1981-12-10
申请号：JP6437880
申请日：1980-05-15
申请人： KAWASAKI STEEL CO
发明人： NAKANISHI TERUYUKI , KAWAI YUTAKA
IPC分类号： B21B1/08 , B21B1/095
摘要： PURPOSE:To make a steel channel possible to avoid a stress concentration in its corner part, and suitable for a reinforcing member for a crossing part of structural members, by regulating the outer radius of a corner part connecting a web with a flange, and by forming the channel in one body through a hot rolling work. CONSTITUTION:In said steel channel 1, a corner part 1, connecting a web 1a with a flange 1b, is formed so a to have a gradually increasing wall thickness starting from the wall thickness of at least either one of the web 1a or the flange 1b. The outer radius R2 of the corner part 1c is regulated to 1-6 times of the wall thickness T1 of the web 1a or T2 of the flange 1b; under this condition, the steel channel 1 is hot rolled in one body. Hereupon, the inner radius R1 of the corner part 1c is regulated to R1>=(R2-T1). When this channel 1 is to be used as a steel angle, the channel 1 is divided in two along a cutting line 2, for instance, by a gas cutting method, etc., and two steel angles 1' are obtained.

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