Apparatus and method for grinding workpiece
    1.
    发明授权
    Apparatus and method for grinding workpiece 有权
    用于研磨工件的设备和方法

    公开(公告)号:US07985120B2

    公开(公告)日:2011-07-26

    申请号:US12163142

    申请日:2008-06-27

    IPC分类号: B24B49/00 B24B51/00

    摘要: An apparatus and method for grinding a workpiece by rotating the workpiece about a rotational axis, rotating a cylindrical grinding wheel about a rotational axis being parallel to the rotational axis of the workpiece, moving the grinding wheel relative to the workpiece at least in one of a first direction being perpendicular to the rotational axis of the workpiece for grinding the workpiece at a cylindrical surface of the grinding wheel and a second direction being parallel to the rotational axis of the workpiece for grinding the workpiece at an end surface of the grinding wheel being perpendicular to the rotational axis of the grinding wheel, and by superimposing a vibration signal including a plurality of frequency components to a driving signal outputted to one of a workpiece rotating means for rotating the workpiece and a grinding wheel rotating means for rotating the grinding wheel.

    摘要翻译: 一种用于通过围绕旋转轴线旋转工件来磨削工件的装置和方法,使圆柱形砂轮围绕平行于工件的旋转轴线的旋转轴线旋转,使砂轮相对于工件移动至少一个 所述第一方向垂直于所述工件的旋转轴线,用于在所述砂轮的圆柱形表面处研磨所述工件,并且所述第二方向平行于所述工件的旋转轴线,以在所述砂轮的端面垂直 并且通过将包括多个频率分量的振动信号叠加到输出到用于旋转工件的工件旋转装置中的一个的驱动信号和用于使砂轮旋转的砂轮旋转装置。

    Method for machining a workpiece by renewing a tool movable range
    2.
    发明授权
    Method for machining a workpiece by renewing a tool movable range 失效
    通过更换刀具可移动范围来加工工件的方法

    公开(公告)号:US5846121A

    公开(公告)日:1998-12-08

    申请号:US854751

    申请日:1997-05-12

    CPC分类号: B24B49/00

    摘要: A machining apparatus for machining a workpiece by moving a tool in direction relative to the workpiece comprises, tool moving means for moving the tool in the direction relative to the workpiece, tool movable range setting means for setting a movable range for the tool to inhibit the workplace from exceeding a reference size by inputting the reference size, and halting means for halting a movement of the tool when a position of said tool exceeds the tool movable range set by said tool movable range setting means.

    摘要翻译: 用于通过相对于工件的方向移动工具来加工工件的加工装置包括:工具移动装置,用于沿相对于工件的方向移动工具;工具可移动范围设定装置,用于设定工具的可移动范围, 通过输入参考尺寸超过参考尺寸的工作场所;以及当所述工具的位置超过由所述工具可移动范围设定装置设定的工具可移动范围时停止所述工具的运动的停止装置。

    Digital servo-control apparatus
    3.
    发明授权
    Digital servo-control apparatus 失效
    数字伺服控制装置

    公开(公告)号:US5313147A

    公开(公告)日:1994-05-17

    申请号:US764825

    申请日:1991-09-24

    IPC分类号: G05B11/32 G05B19/19 G05D3/12

    摘要: A digital servo-control apparatus which controls the rotation of a servomotor on the basis of a digital position command value representative of a target position and a digital position feedback value output from a position detecting device. The apparatus comprises a device for calculating a feedforward value at intervals of a predetermined period on the basis of the amount of change of the position command value, a device for delaying the position command value by a period of time corresponding to an operation delay in the feedforward value calculating device, a device for calculating a velocity command value by adding the feedforward value to a deviation of the position feedback value from the position command value delayed by the delay device, and a device for driving the servomotor according to the velocity command value determined by the calculating device.

    摘要翻译: 一种数字伺服控制装置,其基于代表目标位置的数字位置指令值和从位置检测装置输出的数字位置反馈值来控制伺服电动机的旋转。 该装置包括用于基于位置指令值的变化量来计算预定周期的间隔的前馈值的装置,用于将位置指令值延迟与对应于位置指令值的操作延迟相对应的时间段的装置 前馈值计算装置,用于通过将前馈值与由延迟装置延迟的位置指令值的位置反馈值的偏差相加而计算速度指令值的装置,以及根据速度指令值驱动伺服电动机的装置 由计算装置确定。

    Numerical controller for machining a non-circular workpiece and capable
of calculating profile data
    4.
    发明授权
    Numerical controller for machining a non-circular workpiece and capable of calculating profile data 失效
    用于加工非圆形工件和计算轮廓数据的数控机

    公开(公告)号:US5060164A

    公开(公告)日:1991-10-22

    申请号:US383528

    申请日:1989-07-24

    摘要: When machining cams with the same profile data, finished shape errors tend to increase as the diameter of a grinding wheel decreases. In order to keep the finished shape errors within a tolerance, the profile data used for machining must be renewed with new profile data corresponding to the present diameter of the grinding wheel. In the disclosed numerically controlled cam grinding machine, optimum wheel diameters, at which new profile data must be calculated, are decided automatically. The numerical controller calculates the marginal diameters which require renewal of profile data based upon the machining tolerance when a new grinding wheel is attached to the wheel head. After that, the numerical controller calculates new profile data from the marginal wheel diameter and lift data, when the present wheel diameter reaches into one of the marginal wheel diameters. The old profile data is renewed with the newly calculated profile data corresponding to the marginal wheel diameter.

    Synchronous control system and method therefor
    5.
    发明授权
    Synchronous control system and method therefor 失效
    同步控制系统及其方法

    公开(公告)号:US4988937A

    公开(公告)日:1991-01-29

    申请号:US485567

    申请日:1990-02-27

    CPC分类号: G05B19/416 G05B2219/50234

    摘要: A synchronous control system for a pair of spindles of a machine tool including a master spindle and a slave spindle. Current positions of the main spindles are detected, and a deviation between the detected current positions is calculated. In case the deviation is within 180 degrees, the current position of one of the main spindles which precedes in the forward direction of rotation is determined as a target position for positioning. In case the deviation is greater than 180 degrees, the detected current position of the master spindle or the slave spindle is offset by an amount equal to an integral number of times 180 degrees so that the deviation between current positions of the main spindles after such offset is within 180 degrees. Then, that one of the current position of the main spindle thus offset and the current position of the other main spindle not offset which precedes in the forward direction of rotation is determined as a common target position for positioning. When a positioning instruction is provided by an operator, the main spindle which follows in the forward direction of rotation is controlled so that the position of rotation of the following main spindle approaches the target position.

    Grinding machine and grinding method
    6.
    发明授权
    Grinding machine and grinding method 有权
    磨床和研磨方法

    公开(公告)号:US08287329B2

    公开(公告)日:2012-10-16

    申请号:US12578671

    申请日:2009-10-14

    IPC分类号: B24B49/00 B24B51/00

    CPC分类号: G01B21/20 B24B5/04 B24B49/04

    摘要: A grinding machine includes: a workhead (22) that rotatably supports a solid cylindrical or hollow cylindrical workpiece (W); a grinding wheel (43) that moves relative to the workhead (22) in a direction that intersects with a rotation axis of the workhead (22) to grind an outer peripheral surface of the workpiece (W); a measuring apparatus (50) that measures a position of an outer peripheral surface of the workpiece (W) corresponding to a rotation angle of the workhead (22); an outer peripheral surface shape calculation unit (64) that calculates an outer peripheral surface shape of the workpiece (W) on the basis of the position of the outer peripheral surface of the workpiece (W) measured by the measuring apparatus (50) during grinding; and a grinding condition determination unit (65) that determines a condition of grinding, which is performed after measurement by the measuring apparatus (50), on the basis of the calculated outer peripheral surface shape of the workpiece (W).

    摘要翻译: 研磨机包括:可旋转地支撑实心圆柱形或中空圆柱形工件(W)的工件头(22); 砂轮(43),其沿与所述工头(22)的旋转轴线相交的方向相对于所述工件(22)移动,以研磨所述工件(W)的外周面; 测量装置(50),其测量对应于所述工作头(22)的旋转角度的所述工件(W)的外周面的位置; 外周面形状计算单元(64),其基于在研磨期间由测量装置(50)测量的工件(W)的外周面的位置来计算工件(W)的外周面形状 ; 以及研磨条件确定单元,其基于所计算的所述工件(W)的外周面形状来确定由所述测量装置(50)测量之后进行的研磨条件。

    GRINDING MACHINE AND GRINDING METHOD
    7.
    发明申请
    GRINDING MACHINE AND GRINDING METHOD 有权
    研磨机和研磨方法

    公开(公告)号:US20100105289A1

    公开(公告)日:2010-04-29

    申请号:US12578671

    申请日:2009-10-14

    IPC分类号: B24B49/02

    CPC分类号: G01B21/20 B24B5/04 B24B49/04

    摘要: A grinding machine includes: a workhead (22) that rotatably supports a solid cylindrical or hollow cylindrical workpiece (W); a grinding wheel (43) that moves relative to the workhead (22) in a direction that intersects with a rotation axis of the workhead (22) to grind an outer peripheral surface of the workpiece (W); a measuring apparatus (50) that measures a position of an outer peripheral surface of the workpiece (W) corresponding to a rotation angle of the workhead (22); an outer peripheral surface shape calculation unit (64) that calculates an outer peripheral surface shape of the workpiece (W) on the basis of the position of the outer peripheral surface of the workpiece (W) measured by the measuring apparatus (50) during grinding; and a grinding condition determination unit (65) that determines a condition of grinding, which is performed after measurement by the measuring apparatus (50), on the basis of the calculated outer peripheral surface shape of the workpiece (W).

    摘要翻译: 研磨机包括:可旋转地支撑实心圆柱形或中空圆柱形工件(W)的工件头(22); 砂轮(43),其沿与所述工头(22)的旋转轴线相交的方向相对于所述工件(22)移动,以研磨所述工件(W)的外周面; 测量装置(50),其测量对应于所述工作头(22)的旋转角度的所述工件(W)的外周面的位置; 外周面形状计算单元(64),其基于在研磨期间由测量装置(50)测量的工件(W)的外周面的位置来计算工件(W)的外周面形状 ; 以及研磨条件确定单元,其基于所计算的所述工件(W)的外周面形状来确定由所述测量装置(50)测量之后进行的研磨条件。

    Program writing method of numerical controller, numerical controller and cutting machine controlled thereby
    8.
    发明授权
    Program writing method of numerical controller, numerical controller and cutting machine controlled thereby 有权
    数控系统,数控机床及切割机程序编写方法

    公开(公告)号:US07818080B2

    公开(公告)日:2010-10-19

    申请号:US11852725

    申请日:2007-09-10

    IPC分类号: G06F19/00

    摘要: It is one object of the present invention to provide a program writing method of numerical controller, a numerical controller and a cutting machine controlled thereby, achieving the writing of a plurality of programs relating to one axis to perform a high efficiency in a lot of productions. A next or later user-set-program controlling a duplicated axis controlled by plural user set programs identifies a virtual axis virtually controlled by one user set program. A program is written to replace the duplicated axis with the virtual axis. A control amount calculated by the user set program identifying the virtual axis is added to a control amount inputted to a correspondent axis driving program as a control amount of the duplicated axis before replacing the virtual axis.

    摘要翻译: 本发明的一个目的是提供数字控制器,数字控制器和由此控制的数字控制器和切割机的程序写入方法,实现与一个轴相关的多个程序的写入,从而在大量的制作中执行高效率 。 控制由多个用户集程序控制的复制轴的下一个或更后的用户设置程序识别由一个用户设置程序虚拟控制的虚拟轴。 写入一个程序以用虚拟轴替换重复的轴。 通过将识别虚拟轴的用户设定程序计算出的控制量作为代替虚拟轴的复制轴的控制量,被添加到输入到对应轴驱动程序的控制量。

    Method of compensating profile data, and numerical controller and machine tool for practicing the method
    9.
    发明授权
    Method of compensating profile data, and numerical controller and machine tool for practicing the method 有权
    补偿型材数据的方法,以及实施该方法的数控机床和机床

    公开(公告)号:US06721622B2

    公开(公告)日:2004-04-13

    申请号:US10244029

    申请日:2002-09-16

    IPC分类号: B24B4910

    CPC分类号: G05B19/408

    摘要: A profile data compensating method comprises a step of generating effective profile data by operating a machine tool under a non-load condition in accordance with theoretical profile data, a step of generating first error profile data representing error components of a control system, a step of generating first compensated profile data based upon the first error profile data, a step of generating measured profile data by measuring the shape of the workpiece machined in accordance with the first compensated profile data, a step of generating second error profile data representing error components of a mechanical system, and a step of generating second compensated profile data based upon the first and second error profile data.

    摘要翻译: 轮廓数据补偿方法包括通过根据理论轮廓数据在非负载条件下操作机床来产生有效轮廓数据的步骤;产生表示控制系统的误差分量的第一误差轮廓数据的步骤;步骤 基于第一误差轮廓数据生成第一补偿轮廓数据;通过测量根据第一补偿轮廓数据加工的工件的形状来生成测量轮廓数据的步骤;产生表示误差分量的第二误差轮廓数据的步骤 机械系统,以及基于第一和第二误差轮廓数据产生第二补偿轮廓数据的步骤。

    Machine tool and controlling method thereof
    10.
    发明授权
    Machine tool and controlling method thereof 有权
    机床及其控制方法

    公开(公告)号:US08299743B2

    公开(公告)日:2012-10-30

    申请号:US12685996

    申请日:2010-01-12

    IPC分类号: G05B19/25

    摘要: A machine tool a tool includes a supporting member relatively movable to a workpiece along a predetermined axis, a servo motor configured to drive the tool supporting member to the workpiece along the predetermined axis, a sizing sensor configured to measure a profile of the workpiece and to output a size deviation of measured values from a target profile, and a position detector configured to detect at least one of a relative position of the tool supporting member to the workpiece and a rotational position angle of the servo motor. The a servo driver is configured to drive the servo motor, and has a first feedback control having an output based on the size deviation, and a second feedback control based on an output of the position detector. The servo drives the servo motor by combining the outputs of the first and second feedback controls.

    摘要翻译: 一种机床工具,包括沿着预定轴线相对移动到工件的支撑构件,构造成沿着预定轴线将工具支撑构件驱动到工件的伺服电动机,被配置为测量工件轮廓的施胶传感器, 从目标轮廓输出测量值的尺寸偏差;以及位置检测器,被配置为检测工具支撑构件与工件的相对位置和伺服电动机的旋转位置角度中的至少一个。 伺服驱动器被配置为驱动伺服电动机,并且具有基于尺寸偏差的输出的第一反馈控制和基于位置检测器的输出的第二反馈控制。 伺服驱动伺服电机通过组合第一和第二反馈控制的输出。