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1. 发明授权

US08939004B2 Method for adjusting rolling positions of rolling rolls constituting three-roll mandrel mill and method for manufacturing seamless pipes or tubes 有权
标题翻译：构成三辊心轴轧机的轧辊的轧制位置的调整方法及无缝管的制造方法
公开(公告)号：US08939004B2
公开(公告)日：2015-01-27
申请号：US13728071
申请日：2012-12-27
申请人： Akihito Yamane , Shigeru Kidani
发明人： Akihito Yamane , Shigeru Kidani
IPC分类号： B21B37/72 , B21B17/02 , B21B37/78 , B21B17/04 , B21B37/58 , B21B37/62 , B21B38/00
CPC分类号： B21B37/78 , B21B17/04 , B21B37/58 , B21B37/62 , B21B38/00 , B21B2261/10 , B21B2271/02 , B21B2273/14 , B21B2273/16 , B21B2275/06
摘要： [Problem to be Solved]A device for adjusting the rolling positions of rolling rolls and restraining poor roll-biting of the front edge part of a pipe material rolled by a three-roll mandrel mill includes pressing-down devices 1 (P1 to P6) for moving rolling rolls R1 to R6 in the rolling direction and a control unit 2 for controlling the pressing-down devices 1. Immediately after the front edge part of a pipe material T has begun to be rolled by the rolling rolls disposed on at least one rolling stand of the rolling rolls R1 to R6, the control unit 2 controls the pressing-down device 1 to move the rolling rolls in the closing direction. Preferably, the rolling rolls disposed on at least one rolling stand of the rolling rolls R1 to R6 in the closing direction are moved at a speed of 16 mm/sec or higher using the pressing-down device 1.
摘要翻译： [待解决问题]用于调整轧辊的轧制位置并抑制由三辊心轴轧机轧制的管材的前边缘部分的不良滚动的装置包括压下装置1（P1至P6）用于在轧制方向上移动轧制辊R1至R6;以及用于控制压下装置1的控制单元2.紧接着管材T的前边缘部分已经开始被设置在至少一个轧制辊R1〜R6的轧制机架，控制单元2控制压下装置1使轧辊沿关闭方向移动。优选地，使用压下装置1，使轧制辊R1〜R6的至少一个轧制机架以关闭方向设置在16mm / sec以上的速度。

2. 发明申请

US20130205860A1 MANDREL MILL AND METHOD FOR MANUFACTURING SEAMLESS PIPE OR TUBE 有权
标题翻译： MANDREL MILL和制造无缝管或管的方法
公开(公告)号：US20130205860A1
公开(公告)日：2013-08-15
申请号：US13808431
申请日：2011-07-06
申请人： Akihito Yamane
发明人： Akihito Yamane
IPC分类号： B21B17/02
CPC分类号： B21B17/02 , B21B17/04 , B21B27/024
摘要： A mandrel mill a method for manufacturing a seamless pipe by using the mandrel mill includes a plurality of roll stands in which three grooved rolls R are disposed in each roll stand such that an angle formed by pressing directions is 120° and the pressing directions of the grooved rolls R are alternately shifted by 60° between adjacent roll stands, wherein a central angle θ defining a circular arc that constitutes a groove bottom profile of the grooved roll R disposed at least in the first and second roll stands is set at less than 60°. The mandrel mill can adequately suppress the problem of the mandrel bar not being able to be pulled out from a pipe after drawing and rolling, without resulting in an increase in facility cost and deterioration of maintainability.
摘要翻译：芯棒式无缝管轧机使用芯棒式无缝管轧制机制造无缝管的方法包括多个辊架，其中在每个辊架中设置有三个槽辊R，使得由冲压方向形成的角度为120°，沟槽辊R在相邻的辊架之间交替地偏移60°，其中限定圆弧的中心角θ构成至少设置在第一和第二轧辊架中的带槽辊R的槽底轮廓，设定在小于60° °。芯棒式无缝管轧机能够充分地抑制芯棒在拉拔轧制后不能从管中拉出的问题，而不会导致设备成本的增加和维护性的恶化。

3. 发明授权

US08276424B2 Grooved roll for a reducer and a reducer 有权
标题翻译：用于减速机和减速机的凹槽
公开(公告)号：US08276424B2
公开(公告)日：2012-10-02
申请号：US12461323
申请日：2009-08-07
申请人： Akihito Yamane
发明人： Akihito Yamane
IPC分类号： B21B27/02 , A01B29/04
CPC分类号： B21B17/14 , B21B17/04 , B21B27/005 , B21B27/024 , B21B27/10 , B21B28/04
摘要： A pipe in which polygonization is substantially eliminated is manufactured by a reducer with a grooved roll with a groove having a groove bottom zone including the center of the groove in the roll axial direction and flange zones adjoining both sides of the groove bottom zone. The groove surface has a friction distribution in the roll axial direction such that the frictional force with respect to a material being rolled in the groove bottom zone is larger than the frictional force with respect to a material being rolled in the flange zones. This friction distribution can be achieved by working the groove surface so that the surface roughness of the groove bottom zone becomes greater than the surface roughness of the flange zones or by applying a lubricity modifier which differs with respect to amount and/or type between the groove bottom zone and the flange zones.
摘要翻译：其中多边形基本上被消除的管道由具有沟槽辊的减速器制成，槽的槽具有包括在辊轴向方向上的槽的中心的槽底区域和与槽底区域的两侧相邻的凸缘区域。槽表面在辊轴向方向上具有摩擦分布，使得相对于在槽底区域中被轧制的材料的摩擦力大于相对于在凸缘区域中被轧制的材料的摩擦力。这种摩擦分布可以通过加工凹槽表面来实现，使得凹槽底部区域的表面粗糙度变得大于凸缘区域的表面粗糙度，或者通过施加相对于凹槽之间的量和/或类型不同的润滑性改进剂底部区域和法兰区域。

4. 发明申请

US20120174646A1 RETRACT MANDREL MILL AND METHOD FOR ROLLING TUBE BLANK 有权
标题翻译：回收人造铣刀和滚筒管的方法
公开(公告)号：US20120174646A1
公开(公告)日：2012-07-12
申请号：US13425857
申请日：2012-03-21
申请人： Akihito YAMANE
发明人： Akihito YAMANE
IPC分类号： B21B23/00 , B21B25/00
CPC分类号： B21B17/04 , B21B19/10 , B21B23/00
摘要： A retract mandrel mill, comprising a mandrel mill and an extractor, the mandrel mill including a mandrel bar and being configured to roll a tube blank into which the mandrel bar is inserted, the extractor being configured to extract the mandrel bar from the tube blank that has been rolled in the mandrel mill, wherein the distance between the mandrel mill and the extractor is adjustable, and a method for rolling a tube blank by using the retract mandrel mill. As the result of the adjustable distance, even when a tube blank which is shorter than usual is rolled, there is no need to add an extra extension to the length of the tube blank to be elongation-rolled, and the wear of the mandrel bar can be suppressed so that the tube blank can be rolled efficiently and with high yields.
摘要翻译：一种包括芯棒式无缝管轧机和提取器的收缩型芯棒式无缝管轧机，所述芯棒式无缝管轧机包括芯棒，并且被配置成滚动将芯棒插入其中的管坯，所述提取器被配置为从管坯抽出芯棒，已经在芯棒式无缝管轧机中轧制，其中芯棒式无缝管轧机和提取器之间的距离是可调节的，以及通过使用回缩式芯棒式无缝管轧机轧制管坯的方法。作为可调节距离的结果，即使当轧制比通常更短的管坯时，也不需要在延长轧制的管坯的长度上增加额外的延伸，并且芯棒的磨损可以抑制管坯的高效率和高收率地滚压。

5. 发明申请

US20100192657A1 Rolling stand 有权
标题翻译：滚动架
公开(公告)号：US20100192657A1
公开(公告)日：2010-08-05
申请号：US12448858
申请日：2007-12-17
申请人： Akihito Yamane
发明人： Akihito Yamane
IPC分类号： B21B27/02 , B21B13/10
CPC分类号： B21B13/10 , B21B17/02 , B21B27/024
摘要： A rolling stand 100 in accordance with the invention is a rolling stand provided with three grooved rolls for rolling a tubular or bar shaped material to be rolled, in which three grooved rolls R21 to R23 are arranged in such a manner that an angle formed by pressing directions of any two adjacent grooved rolls of the three grooved rolls R21 to R23 comes to 120 degrees. With regard to a cross sectional shape of each of the grooved rolls R21 to R23 formed by cutting each of the grooved rolls in a plane which includes a center line of a rotating axis of each of the grooved rolls R21 to R23 and is orthogonal to a pass line of a material to be rolled, any one grooved roll R21 is provided with a first straight portion L1 extending vertically to the pressing direction in both side flange portions, and the other two grooved rolls R22 and R23 are provided with a second straight portion L2 opposing to the first straight portion L1 and extending in parallel to the first straight portion L1 in the flange portions.
摘要翻译：根据本发明的轧制机架100是一种轧制机架，其具有用于轧制待轧制的管状或棒状材料的三个槽轧辊，其中三个槽轧辊R21至R23以这样的方式布置，即通过压制形成的角度三个槽辊R21〜R23的任意两个相邻的带槽辊的方向为120度。关于通过在包括每个带槽辊R21至R23的旋转轴线的中心线的平面中切割每个带槽辊而形成的每个带槽辊R21至R23的横截面形状并且与任何一个带槽辊R21设置有在两个侧凸缘部分中垂直于按压方向延伸的第一直线部分L1，另外两个带槽辊R22和R23设置有第二直线部分 L2与第一直线部分L1相对并且在凸缘部分中平行于第一直线部分L1延伸。

6. 发明申请

US20060059969A1 Method of manufacturing a seamless pipe 有权
标题翻译：制造无缝管的方法
公开(公告)号：US20060059969A1
公开(公告)日：2006-03-23
申请号：US11232853
申请日：2005-09-23
申请人： Hiroyuki Iwamoto , Akihito Yamane , Tooru Egoshi , Kenichi Sasaki
发明人： Hiroyuki Iwamoto , Akihito Yamane , Tooru Egoshi , Kenichi Sasaki
IPC分类号： B21B13/12
CPC分类号： B21B17/04 , B21B37/78 , B21B2015/0028
摘要： When manufacturing a seamless pipe by carrying out elongation rolling and sizing on a mother tube for forming a seamless pipe, the occurrence of portions of thickness variation in the seamless pipe is suppressed by previously identifying the portions of wall thickness variation where the thickness varies in the circumferential direction of the seamless pipe, and carrying out elongation rolling so that the thickness of the portions of the mother tube corresponding to the portions of wall thickness variation of the seamless pipe are different in thickness at the completion of elongation rolling from that of other portions of the mother tube. As a result, local variations in wall thickness in the circumferential direction of a seamless pipe are prevented.
摘要翻译：通过在用于形成无缝管的母管上进行伸长率轧制和上浆而制造无缝管时，通过预先识别厚度变化部分的厚度变化的部分在无缝管中的发生被抑制，无缝管的圆周方向，并进行伸长轧制，使得与无缝管的壁厚变化部分相对应的母管部分的厚度在延伸轧制完成时的厚度与其它部分的厚度不同的母管。结果，防止无缝管的圆周方向的壁厚的局部变化。

7. 发明授权

US08601844B2 Multi-roll mandrel mill and method of producing seamless tubes 有权
标题翻译：多辊心轴轧机及无缝管生产方法
公开(公告)号：US08601844B2
公开(公告)日：2013-12-10
申请号：US13425749
申请日：2012-03-21
申请人： Akihito Yamane
发明人： Akihito Yamane
IPC分类号： B21B17/08 , B21B19/08
CPC分类号： B21B17/04 , B21B27/024
摘要： A multi-roll mandrel mill comprises a plurality of grooved roll bodies as a roll pass for elongation rolling of a shell and a plurality of roll stands, each having roll shafts and roll chock portions for driving the grooved roll bodies for driving the grooved roll bodies, wherein bearings are internally contained in each grooved roll body. Optimizing the design of roll chock portions for every setup is achieved by a tube-making setup of the mandrel mill, wherein at least one of either or both of the roll shafts and the roll chock portions is replaced with a part(s) having a different shape(s) in addition to changing of the grooved roll bodies. The optimization of the design is effective in preventing underfill and overfill.
摘要翻译：多辊心轴轧机包括多个槽轧辊体，作为用于壳体的伸长轧制的辊道和多个辊架，每个辊架具有辊轴和辊轴承座部分，用于驱动用于驱动带槽辊体的带槽辊体其中轴承内部容纳在每个带槽辊体中。通过芯棒式无缝管轧机的制管设备实现每个设置的辊轴承部分的设计优化，其中辊轴和辊轴承座部分中的一个或两个中的至少一个被替换为具有除了改变带槽辊体之外，还有不同的形状。设计的优化有效防止了底部填充和填充。

8. 发明申请

US20130180300A1 METHOD FOR ADJUSTING ROLLING POSITIONS OF ROLLING ROLLS CONSTITUTING THREE-ROLL MANDREL MILL AND METHOD FOR MANUFACTURING SEAMLESS PIPES OR TUBES 审中-公开
标题翻译：调整构成三辊轧机的轧制辊的轧制位置的方法和制造无缝管或管的方法
公开(公告)号：US20130180300A1
公开(公告)日：2013-07-18
申请号：US13728071
申请日：2012-12-27
申请人： Akihito YAMANE , Shigeru Kidani
发明人： Akihito YAMANE , Shigeru Kidani
IPC分类号： B21B37/78
CPC分类号： B21B37/78 , B21B17/04 , B21B37/58 , B21B37/62 , B21B38/00 , B21B2261/10 , B21B2271/02 , B21B2273/14 , B21B2273/16 , B21B2275/06
摘要： [Problem to be Solved]A device for adjusting the rolling positions of rolling rolls and restraining poor roll-biting of the front edge part of a pipe material rolled by a three-roll mandrel mill includes pressing-down devices 1 (P1 to P6) for moving rolling rolls R1 to R6 in the rolling direction and a control unit 2 for controlling the pressing-down devices 1. Immediately after the front edge part of a pipe material T has begun to be rolled by the rolling rolls disposed on at least one rolling stand of the rolling rolls R1 to R6, the control unit 2 controls the pressing-down device 1 to move the rolling rolls in the closing direction. Preferably, the rolling rolls disposed on at least one rolling stand of the rolling rolls R1 to R6 in the closing direction are moved at a speed of 16 mm/sec or higher using the pressing-down device 1.
摘要翻译： [待解决问题]用于调整轧辊的轧制位置并抑制由三辊心轴轧机轧制的管材的前边缘部分的不良滚动的装置包括压下装置1（P1至P6）用于在轧制方向上移动轧制辊R1至R6;以及用于控制压下装置1的控制单元2.紧接着管材T的前边缘部分已经开始被设置在至少一个轧制辊R1〜R6的轧制机架，控制单元2控制压下装置1使轧辊沿关闭方向移动。优选地，使用压下装置1，使轧制辊R1〜R6的至少一个轧制机架以关闭方向设置在16mm / sec以上的速度。

9. 发明授权

US08122749B2 Mandrel mill and process for manufacturing a seamless pipe 有权
标题翻译：心轴磨和制造无缝管的工艺
公开(公告)号：US08122749B2
公开(公告)日：2012-02-28
申请号：US12385618
申请日：2009-04-14
申请人： Akihito Yamane
发明人： Akihito Yamane
IPC分类号： B21B23/00
CPC分类号： B21B17/04 , B21B13/02 , B21B13/10 , B21B31/32
摘要： A mandrel mill is provided which can perform elongation rolling with a markedly increased working ratio and dimensional accuracy on a material which is inherently difficult to roll such as a hollow shell made of stainless steel or a thin-walled material. A mandrel mill for manufacturing a mother tube by performing elongation rolling of a hollow shell comprises a plurality of roll stands, having at least one 4-roll stand for wall thickness reduction of a hollow shell and at least one 2-roll stand including the final stand downstream of the 4-roll stand.
摘要翻译：可以提供一种芯棒式无缝管轧机，其可以对固有难以轧制的材料（例如由不锈钢或薄壁材料制成的中空壳体）显着增加工作比和尺寸精度进行伸长率轧制。用于通过进行中空壳的伸长轧制来制造母管的芯棒式无缝管轧机包括多个轧机机座，其具有至少一个用于中空壳体的壁厚减小的4辊机架和至少一个包括最终站在四辊架的下游。

10. 发明申请

US20090308125A1 Mandrel mill and process for manufacturing a seamless pipe 有权
标题翻译：心轴磨和制造无缝管的工艺
公开(公告)号：US20090308125A1
公开(公告)日：2009-12-17
申请号：US12385618
申请日：2009-04-14
申请人： Akihito Yamane
发明人： Akihito Yamane
IPC分类号： B21B19/04
CPC分类号： B21B17/04 , B21B13/02 , B21B13/10 , B21B31/32
摘要： A mandrel mill is provided which can perform elongation rolling with a markedly increased working ratio and dimensional accuracy on a material which is inherently difficult to roll such as a hollow shell made of stainless steel or a thin-walled material. A mandrel mill for manufacturing a mother tube by performing elongation rolling of a hollow shell comprises a plurality of roll stands, having at least one 4-roll stand for wall thickness reduction of a hollow shell and at least one 2-roll stand including the final stand downstream of the 4-roll stand.
摘要翻译：可以提供一种芯棒式无缝管轧机，其可以对固有难以轧制的材料（例如由不锈钢或薄壁材料制成的中空壳体）显着增加工作比和尺寸精度进行伸长率轧制。用于通过进行中空壳的伸长轧制来制造母管的芯棒式无缝管轧机包括多个轧机机座，其具有至少一个用于中空壳体的壁厚减小的4辊机架和至少一个包括最终站在四辊架的下游。

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