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1. 发明授权

US06765318B2 Linear driving device 有权
标题翻译：线性驱动装置
公开(公告)号：US06765318B2
公开(公告)日：2004-07-20
申请号：US10098462
申请日：2002-03-18
申请人： Kiyoshi Sawada , Tomohiko Kawai , Kenzo Ebihara
发明人： Kiyoshi Sawada , Tomohiko Kawai , Kenzo Ebihara
IPC分类号： H02K4100
CPC分类号： H02K33/00
摘要： A linear driving device of compact size capable of fundamentally canceling a reactive force produced in acceleration and deceleration of a slider within the linear driving device. A slider and a stator constitute a linear motor. The stator is supported to move linearly on the base by an air bearing and the slider is supported to move linearly on the stator. When the slider is driven by the stator to move in one axial direction, a reactive force is exerted on the stator in an opposite axial direction to move the stator in the opposite direction, so that substantially no force is transmitted from the stator to the base. A ratio of weights of the stator and the slider is lopsided so that motion strokes of these members are different. Since the reactive force produced in acceleration and deceleration is canceled within the linear driving device and is not transmitted to the base, any undesirable effect is caused outside of the linear driving device. This device can be applied to a machining tool or a measuring device to realize a high-speed and high-precision machining or measurement.
摘要翻译：一种紧凑尺寸的线性驱动装置，其能够基本上抵消在线性驱动装置内的滑块的加速和减速中产生的反作用力。滑块和定子构成线性马达。定子被支撑以在空气轴承上在基座上线性移动，并且滑块被支撑以在定子上线性移动。当滑块由定子驱动以在一个轴向上移动时，反作用力在相反的轴向方向上施加在定子上，以使定子沿相反方向移动，使得基本上没有力从定子传递到基座。定子和滑块的重量比不对准，使得这些构件的运动行程不同。由于加速和减速时产生的反作用力在线性驱动装置内被消除，并且不传递到基座，所以在线性驱动装置之外引起不期望的效果。该装置可应用于加工工具或测量装置，实现高速，高精度的加工或测量。

2. 发明授权

US07901477B2 Machine tool with mist disposal structure 有权
标题翻译：机床具有雾处理结构
公开(公告)号：US07901477B2
公开(公告)日：2011-03-08
申请号：US12128031
申请日：2008-05-28
申请人： Tomohiko Kawai , Kenzo Ebihara , Takeshi Ooki
发明人： Tomohiko Kawai , Kenzo Ebihara , Takeshi Ooki
IPC分类号： B01D50/00
CPC分类号： B23Q11/0891 , Y10S55/18
摘要： An interior of a machine tool and a machining area are divided for communication by a labyrinth. The machining area is covered by a cover. Air discharged from an air bearing flows from the machine tool interior into the machining area through the labyrinth. The cover for the machining area is provided with an exhaust unit for discharging the air from the air bearing or a mist produced in the machining area to the outside of the machine tool.
摘要翻译：机床的内部和加工区域被分开用于通过迷宫进行通信。加工区域由盖子覆盖。从空气轴承排出的空气通过迷宫从机床内部流入加工区域。加工区域的盖设有用于将空气轴承的空气或在加工区域中产生的雾气排出到机床外部的排气单元。

3. 发明申请

US20070086869A1 Machining apparatus 失效
公开(公告)号：US20070086869A1
公开(公告)日：2007-04-19
申请号：US11524399
申请日：2006-09-21
申请人： Tomohiko Kawai , Kenzo Ebihara
发明人： Tomohiko Kawai , Kenzo Ebihara
IPC分类号： B23C3/00
CPC分类号： B23Q35/128 , G05B2219/49006 , Y10T409/300896 , Y10T409/303192 , Y10T409/303528 , Y10T409/306944
摘要： A pulse generation means that generates a pulse each time an XY movable member moves linearly by a certain amount relative to a base is provided. A workpiece and a light and dark pattern member are provided on the base. A tool, a light and dark pattern scanning sensor that scans the light and dark pattern and outputs a scanning signal, and a cutting means that moves the tool with respect to the workpiece in a cutting depth direction, orthogonal to the linear motion direction, are provided on the XY movable member. While the XY movable member moves relative to the base, the tool is moved by the cutting means in accordance with a logical AND operation performed on the scanning signal from the light and dark pattern scanning sensor and the pulse from the pulse generation means to perform machining.

4. 发明授权

US07874497B2 Temperature control system for machine tool 有权
标题翻译：机床温度控制系统
公开(公告)号：US07874497B2
公开(公告)日：2011-01-25
申请号：US12172736
申请日：2008-07-14
申请人： Tomohiko Kawai , Kenzo Ebihara , Hiroshi Minami
发明人： Tomohiko Kawai , Kenzo Ebihara , Hiroshi Minami
IPC分类号： F24F11/053 , F24F3/00 , G05D23/12 , B23Q11/12
CPC分类号： B23Q11/145 , B23Q11/143 , Y10S82/90 , Y10T409/303976
摘要： A temperature control system for a machine tool capable of quickly responding to an ambient temperature change. A mechanical section of the machine tool is surrounded by a machine cover. Gas of which temperature is controlled by a temperature controller is discharged from bearing portions of gas bearings in the mechanical section to a region surrounded by the machine cover through a pipe and a gas bearing channel. A branch pipe is provided for directly introducing a part of gas discharged from the temperature controller to a temperature sensor inside the machine cover. The temperature sensor measures the temperature of gas mixture obtained by mixing the gas introduced directly from the pipe with air inside the machine cover in a predetermined ratio. The result of measurement by the temperature sensor is fed back to the temperature controller to control the temperature of the gas supplied to the gas bearings.
摘要翻译：一种能够快速响应环境温度变化的机床的温度控制系统。机床的机械部分被机盖包围。通过温度控制器控制温度的气体通过管道和气体支承通道从机械部分中的气体轴承的轴承部分排出到由机器盖包围的区域。设置有分支管，用于将从温度控制器排出的一部分气体直接引入机盖内的温度传感器。温度传感器通过将从管道直接引入的气体与机罩内的空气以预定的比例混合而获得的气体混合物的温度。将温度传感器的测量结果反馈到温度控制器，以控制供应给气体轴承的气体的温度。

5. 发明授权

US07850406B2 Method for setting working origin and machine tool for implementing the same 有权
标题翻译：设置工作原点和机床实施方法
公开(公告)号：US07850406B2
公开(公告)日：2010-12-14
申请号：US11898067
申请日：2007-09-07
申请人： Tomohiko Kawai , Kenzo Ebihara , Yonpyo Hon
发明人： Tomohiko Kawai , Kenzo Ebihara , Yonpyo Hon
IPC分类号： B23C1/00 , B23Q15/24 , G06F19/00
CPC分类号： G05B19/4015 , G05B2219/37421 , G05B2219/50048 , Y10T408/175 , Y10T409/300896 , Y10T409/30112 , Y10T409/303752 , Y10T409/304704 , Y10T409/308064
摘要： A method for setting a working origin for a rotary tool in contact with a work piece to be machined, having: applying to a main spindle which holds the rotary tool, with a tip of a cutting edge of the rotary tool in contact with an outer surface of the work piece fixed to a work table, a load torque to such an extent that the rotary tool is not caused to be rotated; applying the load torque to the main spindle, and moving either the work table or the main spindle in a jog feed in a direction of any one of feed shafts such that the tip of the cutting edge is moved away from the outer surface along an axial direction of the rotary tool or in the direction orthogonal to the axial direction; and setting a coordinate at the moment when the main spindle starts rotation as a working origin of the jog feed in the direction of the any one of the feed shafts.
摘要翻译：一种用于设置与要加工的工件接触的旋转工具的工作原点的方法，该方法具有：将保持旋转工具的主轴施加到旋转工具的切削刃的尖端与外部工件的表面固定到工作台上，负载转矩达到旋转工具不会旋转的程度; 将负载扭矩施加到主轴，并且在进给轴中的任意一个进给轴的方向上在工作台或主轴中移动工作台或主轴，使得切削刃的尖端沿轴向移动远离外表面旋转工具的方向或与轴向正交的方向; 并且在主轴开始旋转作为点动进给的工作原点的任何一个进给轴的方向上设定坐标。

6. 发明申请

US20080125015A1 MACHINING APPARATUS 审中-公开
标题翻译：加工设备
公开(公告)号：US20080125015A1
公开(公告)日：2008-05-29
申请号：US11926929
申请日：2007-10-29
申请人： Tomohiko Kawai , Kenzo Ebihara , Takayuki Oda
发明人： Tomohiko Kawai , Kenzo Ebihara , Takayuki Oda
IPC分类号： B24B49/10
CPC分类号： B23B5/00 , B23B29/125 , B23B2260/108
摘要： A machining apparatus capable of obscuring periodic machining irregularities. A workpiece W is mounted on a workpiece mounting surface of a worktable, and a tool T is supported by an elastic member (leaf spring) that is attached to a movable unit. A piezoelectric element is provided on the back of the leaf spring, and a driving voltage with irregular frequency and amplitude is applied to the piezoelectric element by a white noise generator during machining. Thus, a relative vibration displacement in a cutting-depth direction (vertical direction) is induced between the tool T and the workpiece W. In the case of a lathe apparatus, a relative vibration displacement is applied in the direction (horizontal direction) of a rotary axis of a workpiece fixture.
摘要翻译：能够模糊周期性加工不规则的加工装置。工件W被安装在工作台的工件安装表面上，工具T由附接到可移动单元的弹性构件（板簧）支撑。压电元件设置在板簧的背面，并且在加工期间通过白噪声发生器向压电元件施加不规则的频率和振幅的驱动电压。因此，在工具T和工件W之间产生切深深度方向（垂直方向）的相对振动位移。在车床装置的情况下，相对振动位移沿a方向（水平方向）施加工件夹具的旋转轴。

7. 发明授权

US07319201B2 Waterproof/dustproof structure 有权
标题翻译：防水/防尘结构
公开(公告)号：US07319201B2
公开(公告)日：2008-01-15
申请号：US11385862
申请日：2006-03-22
申请人： Tomohiko Kawai , Kenzo Ebihara , Hiroshi Minami
发明人： Tomohiko Kawai , Kenzo Ebihara , Hiroshi Minami
IPC分类号： H01H9/04
CPC分类号： B23Q11/0858
摘要： A simple, inexpensive waterproof/dustproof structure for a movable mechanism such as a machine tool apparatus or the like, providing a liquid reservoir formed between the inner wall of a stationary member and the outer wall of a movable member at a portion equivalent to the entrance of a gap between the stationary member and the movable member. The leading edge of the movable member moves through a liquid LQ that fills the liquid reservoir. The liquid LQ seals off the interior of the apparatus from the exterior to prevent the entry of mist, dust and other foreign matter. The gap may be made comparatively broad without affecting the ability to prevent the entry of foreign matter. The direction of movement of the movable member may be longitudinal, lateral, reciprocal, rotary, or a combination thereof, depending on the type of movable mechanism to which the waterproof/dustproof structure is applied. The liquid LQ may be a working fluid used by a hydraulic bearing or a machining fluid used by a machine tool.
摘要翻译：一种用于诸如机床设备等的可移动机构的简单且廉价的防水/防尘结构，在静止构件的内壁和可移动构件的外壁之间形成有液体储存器固定构件和可动构件之间的间隙。可移动部件的前缘移动通过填充液体储存器的液体LQ。液体LQ将设备的内部从外部密封，以防止雾，灰尘和其他异物进入。这种差距可能相对较宽，而不影响防止异物进入的能力。根据施加防水/防尘结构的可动机构的类型，可动构件的移动方向可以是纵向，横向，往复，旋转或其组合。液体LQ可以是由机床使用的液压轴承或机械流体使用的工作流体。

8. 发明申请

US20070028716A1 Rotating body balancing structure 审中-公开
标题翻译：旋转体平衡结构
公开(公告)号：US20070028716A1
公开(公告)日：2007-02-08
申请号：US11480528
申请日：2006-07-05
申请人： Tomohiko Kawai , Kenzo Ebihara , Takeshi Ooki
发明人： Tomohiko Kawai , Kenzo Ebihara , Takeshi Ooki
IPC分类号： F16F15/14
CPC分类号： B23Q11/0035 , Y10T74/2128
摘要： A plurality of balancing structures are disposed in weight accommodation holes which extend in a radial direction and spaced at equal angles in a rotating plate constituting part of a rotating body on which a rotation object is mounted. A balancing weight having a male thread is disposed in each weight accommodation hole and is screwed into a female thread formed in the accommodation hole. A spring adjoining the weight is compressed by a stopper fixed in the weight accommodation hole at the outer end of the rotating plate. The weight can be turned with a tool inserted through holes provided in the spring and stopper to adjust the radial position of the weight and thereby balance the rotating body.
摘要翻译：多个平衡结构设置在重量调节孔中，其在径向上延伸并且在构成旋转体的旋转体的一部分的旋转板中以相等的角度间隔开。具有阳螺纹的平衡配重设置在每个配重容纳孔中并拧入形成在容纳孔中的阴螺纹中。与重物相邻的弹簧被固定在旋转板的外端的重量容纳孔中的止动器压缩。可以通过插入弹簧和塞子中设置的孔的工具来转动重物，以调节重物的径向位置，从而平衡旋转体。

9. 发明申请

US20060219095A1 Air balance structure 有权
公开(公告)号：US20060219095A1
公开(公告)日：2006-10-05
申请号：US11305190
申请日：2005-12-19
申请人： Tomohiko Kawai , Kenzo Ebihara
发明人： Tomohiko Kawai , Kenzo Ebihara
IPC分类号： F15B15/14
CPC分类号： G01G5/006 , Y10S92/02
摘要： An air balance structure that compensates for the weight load of a movable member driven in a straight line along the vertical axis, with a simplified structure and at reduced cost. The box-shaped movable member has an open bottom that accommodates the stationary member therewithin, in which state the movable member is movably supported in the vertical direction by an air bearing created using a gap between the stationary member and the movable member. An air balance chamber that contains pressurized air is formed inside the movable member. After pressure-adjusted air is supplied from the outside to the gap from a jet port through a pipe inside the stationary member, the air flows into the air balance chamber. This flow seals the pressurized air inside the air balance chamber. Pressurized air exhaust is exhausted externally from an exhaust port through a pipe and a flow adjusting device.

10. 发明授权

US07578228B2 Air balance structure 有权
标题翻译：空气平衡结构
公开(公告)号：US07578228B2
公开(公告)日：2009-08-25
申请号：US11305190
申请日：2005-12-19
申请人： Tomohiko Kawai , Kenzo Ebihara
发明人： Tomohiko Kawai , Kenzo Ebihara
IPC分类号： F13B13/042
CPC分类号： G01G5/006 , Y10S92/02
摘要： An air balance structure that compensates for the weight load of a movable member driven in a straight line along the vertical axis, with a simplified structure and at reduced cost. The box-shaped movable member has an open bottom that accommodates the stationary member therewithin, in which state the movable member is movably supported in the vertical direction by an air bearing created using a gap between the stationary member and the movable member. An air balance chamber that contains pressurized air is formed inside the movable member. After pressure-adjusted air is supplied from the outside to the gap from a jet port through a pipe inside the stationary member, the air flows into the air balance chamber. This flow seals the pressurized air inside the air balance chamber. Pressurized air exhaust is exhausted externally from an exhaust port through a pipe and a flow adjusting device.
摘要翻译：一种空气平衡结构，其以简单的结构并且以降低的成本补偿沿着垂直轴线以直线驱动的可动构件的重量载荷。盒状可动构件具有容纳其中的固定构件的敞开的底部，在该状态下，可移动构件通过使用静止构件和可动构件之间的间隙产生的空气轴向在垂直方向上可移动地支撑。在可动件内部形成有包含加压空气的空气平衡室。压缩调节后的空气从外部通过静止部件内的管道从喷射口向间隙供给时，空气流入空气平衡室。该流动将空气平衡室内的加压空气密封。加压排气从排气口通过管道和流量调节装置从外部排出。

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