公开(公告)号：US08079788B2

公开(公告)日：2011-12-20

申请号：US12044250

申请日：2008-03-07

申请人： Masahiro Murota ,  Hiroki Tezuka

发明人： Masahiro Murota ,  Hiroki Tezuka

IPC分类号： B23Q11/14

CPC分类号： B23Q11/127 ,  B23Q11/0046 ,  B23Q11/0891 ,  Y10T408/44 ,  Y10T408/50 ,  Y10T409/30392 ,  Y10T409/303976 ,  Y10T409/304088

摘要： A main body of a machine tool is covered with a cover. A ceiling portion of the cover that is situated over a spindle motor is provided with an opening portion. The cover is provided with hanging portions that hang down from the opening portion with a predetermined clearance from side surfaces of the spindle motor other than the rear surface. Air that is mixed with a misty cutting fluid in a space inside the cover is sucked in through a suction pipe by a mist collector. The outside air flows into the space inside the cover through the clearance. The outside air that passes through the clearance is driven to flow through vents by a built-in cooling fan of the spindle motor, thereby cooling the motor, and is then discharged to the outside. In consequence, the temperature in the space inside the cover can never be increased by heating of the spindle motor.

摘要翻译： 机床的主体用盖子覆盖。 位于主轴电动机上方的盖的顶部设置有开口部。 该盖设有从开口部分向下悬挂的悬挂部分，其间距主轴电动机的除后表面的侧表面之间具有预定的间隙。 在盖内的空间中与雾状切削液混合的空气通过吸收管被雾化器吸入。 外部空气通过间隙流入盖内的空间。 通过间隙的外部空气通过主轴电动机的内置冷却风扇被驱动通过通风口，从而冷却电动机，然后排出到外部。 因此，通过加热主轴电动机，绝对不能增加盖内的空间内的温度。

公开(公告)号：US20080247835A1

公开(公告)日：2008-10-09

申请号：US12044250

申请日：2008-03-07

申请人： Masahiro MUROTA ,  Hiroki TEZUKA

发明人： Masahiro MUROTA ,  Hiroki TEZUKA

IPC分类号： B23C9/00

CPC分类号： B23Q11/127 ,  B23Q11/0046 ,  B23Q11/0891 ,  Y10T408/44 ,  Y10T408/50 ,  Y10T409/30392 ,  Y10T409/303976 ,  Y10T409/304088

摘要： A main body of a machine tool is covered with a cover. A ceiling portion of the cover that is situated over a spindle motor is provided with an opening portion. The cover is provided with hanging portions that hang down from the opening portion with a predetermined clearance from side surfaces of the spindle motor other than the rear surface. Air that is mixed with a misty cutting fluid in a space inside the cover is sucked in through a suction pipe by a mist collector. The outside air flows into the space inside the cover through the clearance. The outside air that passes through the clearance is driven to flow through vents by a built-in cooling fan of the spindle motor, thereby cooling the motor, and is then discharged to the outside. In consequence, the temperature in the space inside the cover can never be increased by heating of the spindle motor.

摘要翻译： 机床的主体用盖子覆盖。 位于主轴电动机上方的盖的顶部设置有开口部。 该盖设有从开口部分向下悬挂的悬挂部分，其间距主轴电动机的除后表面的侧表面之间具有预定的间隙。 在盖内的空间中与雾状切削液混合的空气通过吸收管被雾化器吸入。 外部空气通过间隙流入盖内的空间。 通过间隙的外部空气通过主轴电动机的内置冷却风扇被驱动通过通风口，从而冷却电动机，然后排出到外部。 因此，通过加热主轴电动机，绝对不能增加盖内的空间内的温度。

公开(公告)号：US07331741B2

公开(公告)日：2008-02-19

申请号：US11114191

申请日：2005-04-26

申请人： Masahiro Murota ,  Akihiko Fujimoto ,  Norio Watanabe

发明人： Masahiro Murota ,  Akihiko Fujimoto ,  Norio Watanabe

IPC分类号： B23C1/00

CPC分类号： B23Q17/22 ,  B23Q17/003 ,  Y10T409/300896 ,  Y10T409/30392 ,  Y10T409/30728 ,  Y10T409/308064

摘要： A numerically controlled machine tool performs machining by rotating a rotational tool attached to a tool holder mounted on a spindle, with keys fitted into key grooves in the tool holder. The numerically controlled machine tool includes predetermined-amount rotating unit for stopping the tool holder at a predetermined rotational position and then rotating the tool holder by a given amount, and a distance sensor which is installed apart from the tool holder and measures a distance to the outer surface of the tool holder. The predetermined-amount rotating unit stops the tool holder at a rotational position at which the key grooves do not face the distance sensor, then rotates the tool holder by the given amount. The distance sensor measures the distance to the tool holder while the tool holder is rotating. The measurement result is compared with a reference distance or distances to discriminate between normal and abnormal rotational run-out of the tool holder.

摘要翻译： 数控机床通过旋转安装在安装在主轴上的工具架上的旋转工具进行加工，其中键安装在工具夹中的键槽中。 数控机床包括预定量的旋转单元，用于将工具架停止在预定的旋转位置，然后将工具架旋转一定量;以及距离传感器，该距离传感器与工具架分开安装并测量距离 刀架外表面。 预定量的旋转单元在键槽不面向距离传感器的旋转位置处停止工具架，然后将工具架旋转给定量。 距离传感器在刀架旋转时测量刀架的距离。 将测量结果与参考距离或距离进行比较，以区分工具架的正常和异常旋转跳动。

公开(公告)号：US20060045644A1

公开(公告)日：2006-03-02

申请号：US11216091

申请日：2005-09-01

申请人： Akihiko Fujimoto ,  Norio Watanabe ,  Masahiro Murota

发明人： Akihiko Fujimoto ,  Norio Watanabe ,  Masahiro Murota

IPC分类号： B23C5/26

CPC分类号： B23B31/263 ,  B23B2215/56 ,  B23B2250/16 ,  Y10T29/49609 ,  Y10T409/304312 ,  Y10T409/309464

摘要： For a spring sliding on the drawbar, the coil spring is used; the removal work for keeping the inner diameters of the coil springs aligned is performed such that the clearance between the outer diameter of the drawbar and the inner diameter of the coil spring becomes a minimum; and the coil springs are caused to be guided integrally with the drawbar. By doing so, the movement of the center of gravity of the spring that is caused by repeated rotational operation of the main spindle or repeated tool clamping operation will be reduced and the amplitude by vibration will be made smaller.

摘要翻译： 对于在拉杆上滑动的弹簧，使用螺旋弹簧; 进行将螺旋弹簧的内径保持一致的去除工作，使得牵引杆的外径与螺旋弹簧的内径之间的间隙变得最小; 使螺旋弹簧与牵引杆一体地引导。 通过这样做，将减少由主轴的反复旋转操作引起的弹簧的重心运动或重复的工具夹紧操作，并且使振动的振幅变小。

公开(公告)号：US07418783B2

公开(公告)日：2008-09-02

申请号：US11216091

申请日：2005-09-01

申请人： Akihiko Fujimoto ,  Norio Watanabe ,  Masahiro Murota

发明人： Akihiko Fujimoto ,  Norio Watanabe ,  Masahiro Murota

IPC分类号： B23C5/26 ,  B23P23/00

CPC分类号： B23B31/263 ,  B23B2215/56 ,  B23B2250/16 ,  Y10T29/49609 ,  Y10T409/304312 ,  Y10T409/309464

摘要： For a spring sliding on the drawbar, the coil spring is used; the removal work for keeping the inner diameters of the coil springs aligned is performed such that the clearance between the outer diameter of the drawbar and the inner diameter of the coil spring becomes a minimum; and the coil springs are caused to be guided integrally with the drawbar. By doing so, the movement of the center of gravity of the spring that is caused by repeated rotational operation of the main spindle or repeated tool clamping operation will be reduced and the amplitude by vibration will be made smaller.

摘要翻译： 对于在拉杆上滑动的弹簧，使用螺旋弹簧; 进行将螺旋弹簧的内径保持一致的去除工作，使得牵引杆的外径与螺旋弹簧的内径之间的间隙变得最小; 使螺旋弹簧与牵引杆一体地引导。 通过这样做，将减少由主轴的反复旋转操作引起的弹簧的重心运动或重复的工具夹紧操作，并且使振动的振幅变小。

公开(公告)号：US20050238447A1

公开(公告)日：2005-10-27

申请号：US11114191

申请日：2005-04-26

申请人： Masahiro Murota ,  Akihiko Fujimoto ,  Norio Watanabe

发明人： Masahiro Murota ,  Akihiko Fujimoto ,  Norio Watanabe

IPC分类号： B23Q3/155 ,  B23Q17/22 ,  B23C1/00

CPC分类号： B23Q17/22 ,  B23Q17/003 ,  Y10T409/300896 ,  Y10T409/30392 ,  Y10T409/30728 ,  Y10T409/308064

摘要： A numerically controlled machine tool performs machining by rotating a rotational tool attached to a tool holder mounted on a spindle, with keys fitted into key grooves in the tool holder. The numerically controlled machine tool includes predetermined-amount rotating unit for stopping the tool holder at a predetermined rotational position and then rotating the tool holder by a given amount, and a distance sensor which is installed apart from the tool holder and measures a distance to the outer surface of the tool holder. The predetermined-amount rotating unit stops the tool holder at a rotational position at which the key grooves do not face the distance sensor, then rotates the tool holder by the given amount. The distance sensor measures the distance to the tool holder while the tool holder is rotating. The measurement result is compared with a reference distance or distances to discriminate between normal and abnormal rotational run-out of the tool holder.

摘要翻译： 数控机床通过旋转安装在安装在主轴上的工具架上的旋转工具进行加工，其中键安装在工具夹中的键槽中。 数控机床包括预定量的旋转单元，用于将工具架停止在预定的旋转位置，然后将工具架旋转一定量;以及距离传感器，该距离传感器与工具架分开安装并测量距离 刀架外表面。 预定量的旋转单元在键槽不面向距离传感器的旋转位置处停止工具架，然后将工具架旋转给定量。 距离传感器在刀架旋转时测量刀架的距离。 将测量结果与参考距离或距离进行比较，以区分工具架的正常和异常旋转跳动。