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    • 4. 发明授权
    • Self pumping oil film bearing
    • 自吸油膜轴承
    • US08500332B2
    • 2013-08-06
    • US12774241
    • 2010-05-05
    • Thomas C. Wojtkowski, Jr.Peter N. Osgood
    • Thomas C. Wojtkowski, Jr.Peter N. Osgood
    • F16C33/74F16C3/14F16J15/32
    • F16C13/02B21B31/074F16C33/10F16C2322/12
    • A system is disclosed for use in a rolling mill oil film bearing to remove a laminar flow of oil exiting tangentially from between a rotating sleeve and a fixed bushing surrounding the sleeve. The system comprises confinement surfaces cooperating with the sleeve and the bushing to define an annular chamber arranged to receive the exiting laminar flow of oil. Impellers project into the chamber and are rotatable with and at the velocity of the sleeve to thereby propel the oil around the annular chamber. An outlet communicates tangentially with the annular chamber for removing oil being propelled around the chamber by the rotation of the impellers. The size of the outlet in relation to the volume of oil received in the annular chamber is such that the chamber remains filled with oil during steady state operation of the bearing.
    • 公开了一种用于轧机油膜轴承的系统,用于从围绕套筒的旋转套筒和固定衬套之间切向排出的层流。 该系统包括与套筒和衬套配合的限制表面,以限定布置成接收离开的层流的油的环形室。 叶轮投入到室中并且可以以套筒的速度旋转并由此推动环绕室的油。 出口与环形室相切地连通,用于通过叶轮的旋转除去在室周围被推进的油。 出口的尺寸相对于在环形室中容纳的油的体积使得在轴承的稳态操作期间室保持充满油。
    • 7. 发明授权
    • Venturi drain for self-pumping bearing rolling mills
    • 用于自抽轴承轧机的文丘里排水管
    • US08342753B2
    • 2013-01-01
    • US12796071
    • 2010-06-08
    • Peter N. OsgoodThomas C. Wojtkowski, Jr.
    • Peter N. OsgoodThomas C. Wojtkowski, Jr.
    • F16C33/74F16C1/24F16C19/00F16J15/34F16J15/32
    • B21B31/074F16C13/02F16C33/1045F16C33/74F16C2320/23F16C2322/12
    • A system is disclosed for use in a rolling mill oil film bearing to remove oil exiting from between a rotating sleeve and a fixed bushing surrounding the sleeve. The system comprises an annular chamber arranged to receive the exiting flow of oil. The chamber is isolated from a drainage sump by confinement surfaces including a seal interface defined by a flexible seal in contact with an adjacent rigid component of the bearing. Impellers project into the chamber and are rotable with and at the velocity of the sleeve to rotatively propel oil around the chamber. A discharge conduit communicates tangentially with the chamber and is arranged to receive a pressurized flow of the oil being rotatively propelled around the chamber. A venturi is located in the discharge conduit. A suction conduit connects the venturi to the drainage sump. Oil escaping from the annular chamber past the seal interface into the drainage sump is aspirated by the venturi for removal via the conduit.
    • 公开了一种用于轧机油膜轴承的系统,用于去除从旋转套筒和围绕套筒的固定衬套之间排出的油。 该系统包括布置成接收出口的油流的环形室。 该室通过限制表面与排水池隔离,包括由与轴承的相邻刚性部件接触的柔性密封件限定的密封接口。 叶轮投入到室中,并且可以以套筒的速度旋转并旋转地推进室周围的油。 排放管道与腔室相切地连通并且被布置成接收围绕室旋转地推进的油的加压流。 文丘里管位于排放管道中。 抽吸管将文丘里管连接到排水池。 从通过密封接口的环形室逸出到排水池中的油被文丘里管吸出,以通过导管去除。
    • 9. 发明授权
    • Inner seal ring for rolling mill oil film bearing
    • 内圈密封圈用于轧机油膜轴承
    • US06851676B2
    • 2005-02-08
    • US10321686
    • 2002-12-17
    • Armando S. MartinsDennis ShrinerPeter N. Osgood
    • Armando S. MartinsDennis ShrinerPeter N. Osgood
    • B21B31/07F16J15/32F16C33/76
    • B21B31/078F16C33/74F16C2322/12F16J15/3232F16J15/3256
    • An inner seal ring is disclosed for use in an oil film bearing for a roll in a rolling mill. The roll has a neck with an intermediate section tapering from an end face to a reduced diameter end section contained within a sleeve. The sleeve is fixed in relation to the roll neck and is journalled for rotation in a bushing contained within a chock. A flexible neck seal is mounted on the intermediate section of the roll neck for rotation with the roll within a seal end plate fixed to the chock. The inner seal ring comprises a circular midsection with an annular face on one side and with inner and outer flanges projecting from an opposite side. The inner flange is configured to engage the neck seal, the outer flange is configured to coact in spaced relationship with the seal end plate to define a first labyrinth, and the annular face is contoured to coact in an abutting relationship with the roll end face in defining a second labyrinth.
    • 公开了用于在轧机中用于辊的油膜轴承的内密封环。 辊具有颈部,颈部具有从包含在套筒内的端面到缩径的端部部分逐渐变细的中间部分。 套筒相对于轧辊颈部固定,并被轴颈安装在轴承座内的衬套内旋转。 柔性颈部密封件安装在辊颈的中间部分上,用于与固定在轴承座上的密封端板内的辊一起旋转。 内密封圈包括圆形中部,其一侧具有环形面,并且内外凸缘从相对侧突出。 内凸缘构造成接合颈部密封件,外凸缘被构造成与密封端板隔开关系,以限定第一迷宫,并且环形面成形为与辊端面的邻接关系 定义了第二个迷宫。
    • 10. 发明授权
    • System and method for monitoring a rolling mill
    • 轧机监控系统及方法
    • US5203188A
    • 1993-04-20
    • US760600
    • 1991-09-16
    • Peter N. OsgoodThomas E. Simmons
    • Peter N. OsgoodThomas E. Simmons
    • B21B37/66
    • B21B37/66
    • A system and method for monitoring a rolling mill which includes a data acquisition module that continually acquires, from mill instrumentation computers, time domain data relating to finished product gauge, entering product gauge, separating forces occurring at each roll stand in the mill, and RPMs of each roll in the roll stands over a calculated data acquisition time period. A monitoring CPU transforms the acquired data into the frequency domain in response to the rolls operating at an approximately constant speed over the data acquisition time period. A frequency spectrum correlation analysis is performed with the frequency domain data in order to identify the specific contributions to frequency amplitudes occurring in the finished product gauge frequency domain data. A determination is then made as to whether the identified frequency amplitudes exceed predetermined thresholds which correspond to a predetermined warning level and a maximum tolerance level of the finished product. A graphical display of those mill components contributing to near and out of tolerance finished product is provided.
    • 一种用于监测轧机的系统和方法,其包括数据采集模块,其从轧机仪表计算机连续获取与成品计量相关的时域数据,进入产品规格,在轧机中的每个辊架处产生的分离力以及RPM 在滚动中的每个滚动滚筒都站在计算的数据采集时间段之后。 响应于在数据采集时间段上以大致恒定的速度操作的辊,监视CPU将所获取的数据转换成频域。 用频域数据进行频谱相关分析,以便识别在成品计量频域数据中出现的频率振幅的具体贡献。 然后确定所识别的频率幅度是否超过对应于预定警告级别和最终产品的最大公差等级的预定阈值。 提供了有助于接近和超出公差成品的那些轧机部件的图形显示。