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11. 发明申请

US20080063483A1 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：US20080063483A1
公开(公告)日：2008-03-13
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： B23Q15/24
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。

12. 发明申请

US20080101881A1 Machine tool having function of detecting contact between tool and workpiece 有权
标题翻译：具有检测刀具与工件接触的功能的机床
公开(公告)号：US20080101881A1
公开(公告)日：2008-05-01
申请号：US11980391
申请日：2007-10-31
申请人： Yonpyo Hon , Kenzo Ebihara , Tomohiko Kawai
发明人： Yonpyo Hon , Kenzo Ebihara , Tomohiko Kawai
IPC分类号： B23C9/00
CPC分类号： G05B19/4015 , G05B19/404 , G05B2219/37387 , G05B2219/37405 , G05B2219/50027 , Y10T409/3084 , Y10T409/500164 , Y10T409/500656
摘要： An ultra-precision machine tool capable of accurately detecting a machining start position, in which movable axes are supported by fluid bearings. A workpiece is mounted on a rotary table of a B axis, and the rotary table is mounted on an X axis that is a linear motion axis. A tool is mounted on a Y axis. The Y axis is mounted on a Z axis. The X axis is moved reciprocally each time the Z axis is moved a predetermined amount, a machining surface of the workpiece is scanned, and it is determined whether or not position deviation of the X, Y and B axes reaches or exceeds a reference value. The Y axis is driven and the tool is moved toward the workpiece a predetermined amount, and the above-described scan is performed. When the position deviation of the X, Y and B axes reaches or exceeds the reference value it is determined that contact between the tool and the workpiece has occurred, and this contact point is stored as the machining start position, the Y axis is skipped, and the tool is moved a predetermined amount in a direction away from the workpiece, thus enabling a point of maximum protrusion from the machining surface of the workpiece to be simply detected as the machining start point.
摘要翻译：一种能够精确检测加工开始位置的超精密机床，其中可动轴由流体轴承支撑。工件安装在B轴的旋转台上，旋转台安装在作为直线运动轴的X轴上。工具安装在Y轴上。 Y轴安装在Z轴上。每当Z轴移动预定量时，X轴往复运动，扫描工件的加工表面，并且确定X，Y和B轴的位置偏差是否达到或超过参考值。 Y轴被驱动并且工具向工件移动预定量，并执行上述扫描。当X，Y和B轴的位置偏差达到或超过参考值时，确定已经发生了工具与工件之间的接触，并且该接触点被存储为加工开始位置，Y轴被跳过，并且工具沿远离工件的方向移动预定量，因此能够简单地检测到来自工件的加工表面的最大突出点作为加工起点。

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