Numerically controlled grinding machine
    41.
    发明授权
    Numerically controlled grinding machine 失效
    数控磨床

    公开(公告)号:US4956946A

    公开(公告)日:1990-09-18

    申请号:US322300

    申请日:1989-03-13

    摘要: A numerically controlled internal grinding machine for grinding a workpiece by a rough grinding operation with a rough grinding wheel and a finish grinding operation with a finish grinding wheel. The grinding machine detects the load power of a motor which drives the finish grinding wheel in order to determine a compensation value to enable subsequent compensation due to wear of the rough grinding wheel. In the successive rough grinding operation, the relative position of the workpiece is compensated for according to the determined compensation value, so that the diameter of the workpiece after the rough grinding operation is maintained at a desired constant value regardless of the wear of the rough grinding wheel.

    摘要翻译: 一种数控内磨床,用于通过粗磨砂轮进行粗磨和精磨砂轮的精磨操作来研磨工件。 研磨机检测驱动精磨轮的电机的负载功率,以便确定补偿值,以便能够由于粗磨轮的磨损而进行后续补偿。 在连续粗磨操作中,根据确定的补偿值补偿工件的相对位置,使得粗磨后的工件直径保持在所需的常数值,而与粗磨的磨损无关 轮。

    Data input and display device for a numerical control grinding machine
    42.
    发明授权
    Data input and display device for a numerical control grinding machine 失效
    数控磨床数据输入显示装置

    公开(公告)号:US4731607A

    公开(公告)日:1988-03-15

    申请号:US815507

    申请日:1986-01-02

    CPC分类号: G05B19/40932 Y02P90/265

    摘要: An interactive data input device for a numerical control grinding machine is provided with a key board for inputting data which defines the shapes of a number of machining portions formed on a cylindrical workpiece and a central processing unit for controlling a display controller to display on a screen of a cathode ray tube (CRT) display unit the profile as taken along the workpiece axis, of each machining portion based upon the shape data input by the key board. The central processing unit is programmed to display, in addition to the profiles of the machining portions, the profile of a non-machining portion formed between two machining portions based upon the shape data for the two machining portions.

    摘要翻译: 用于数控磨床的交互式数据输入装置设置有用于输入数据的键盘,用于输入形成在圆筒形工件上的多个加工部分的形状的数据,以及用于控制显示控制器在屏幕上显示的中央处理单元 基于由键板输入的形状数据,阴极射线管(CRT)显示单元沿着工件轴线截取每个加工部分的轮廓。 中央处理单元被编程为基于加工部分的轮廓,基于两个加工部分的形状数据,显示形成在两个加工部分之间的非加工部分的轮廓。

    Grinding wheel feeder in grinding machines
    44.
    发明授权
    Grinding wheel feeder in grinding machines 失效
    研磨机砂轮给料机

    公开(公告)号:US4490946A

    公开(公告)日:1985-01-01

    申请号:US453830

    申请日:1982-12-28

    CPC分类号: B24B49/18

    摘要: Wear on the dressing tool is derived from an amount of movement that a grinding wheel is advanced until issuance of a signal from a sizing device for correcting data on the radius of the grinding wheel. The data on the radius of the grinding wheel is thus indicative of an actual radius of the grinding wheel regardless of a variation in the grinding wheel radius due to the wear of a dressing tool. Accordingly, the grinding surface of the grinding wheel can be exactly positioned at a grinding start position after the grinding wheel has been returned to its original position upon power supply failure, emergency machine shutdown or the like, so that any unwanted interference between the grinding wheel and a workpiece can be avoided.

    摘要翻译: 修整工具上的磨损源自砂轮前进的运动量,直到发出来自尺寸调整装置的信号,以校正磨轮半径上的数据。 砂轮半径的数据因此表示砂轮的实际半径,而不管由于修整工具的磨损造成砂轮半径的变化。 因此,在砂轮在电源故障,应急机器停机等之后已经返回到原来的位置之后,磨轮的研磨面可以精确地定位在研磨开始位置,使得砂轮之间的任何不期望的干涉 并且可以避免工件。

    Guard device for a grinding wheel in a grinding machine
    45.
    发明授权
    Guard device for a grinding wheel in a grinding machine 失效
    研磨机砂轮保护装置

    公开(公告)号:US4365446A

    公开(公告)日:1982-12-28

    申请号:US228352

    申请日:1981-01-26

    IPC分类号: B24B55/04

    摘要: A guard device for a grinding wheel in a grinding machine comprises a side guard plate pivotably mounted upon a guard body for covering one side face of the grinding wheel. A front cover member is slidably mounted upon the top portion of the guard body for covering the upper front portion of the grinding wheel. A latch member is mounted on the front cover member to be engaged with a saw-toothed member so as to restrict movement of the front cover member away from the periphery of the grinding wheel but to allow movement of the front cover member toward the periphery of the grinding wheel. A locking member is pivotably mounted on the top of the guard body to lock the side guard plate in a closed state. When the locking member is pivoted to be disengaged from the side guard plate, the saw-toothed member is also disengaged from the latch member.

    摘要翻译: 研磨机中用于磨轮的保护装置包括可枢转地安装在保护体上的侧护板,用于覆盖砂轮的一个侧面。 前盖构件可滑动地安装在防护体的顶部上,用于覆盖砂轮的上前部。 闩锁构件安装在前盖构件上以与锯齿构件接合,以便限制前盖构件远离砂轮周边的移动,但是允许前盖构件朝向 砂轮。 锁定构件可枢转地安装在防护体的顶部上,以将侧护板锁定在关闭状态。 当锁定构件枢转以与侧护板分离时,锯齿构件也从闩锁构件脱离。

    Method for recording and reproduction on a magneto-optical recording medium
    46.
    发明授权
    Method for recording and reproduction on a magneto-optical recording medium 失效
    在磁光记录介质上进行记录和再现的方法

    公开(公告)号:US07113453B1

    公开(公告)日:2006-09-26

    申请号:US09321795

    申请日:1999-05-28

    IPC分类号: G11B11/00 G11B7/24

    摘要: A magneto-optical recording medium and a method for recording and reproduction thereon are provided in order to reproduce information recorded by multi-valued recording at a high S/N ratio. Disclosed is a magneto-optical recording medium including two magnetic layers capable of four-valued recording based on four combined magnetization states. Magnitudes of reproduction signals concerning the four magnetization states, obtained upon reproduction at a wavelength λ1, are different from those obtained upon reproduction at a wavelength λ2. The two magnetic layers, on which a signal (a) is recorded, are irradiated with light beams having the wavelengths λ1 and λ2 respectively. Signals (d), (e) reproduced from respective reflected light beams are sliced by using at least one slice level to obtain two-valued or higher multi-valued reproduction signals respectively. The two-valued or higher multi-valued reproduction signals (f), (g) from the respective wavelengths are mutually subjected to logical operation to reproduce recorded information (i).

    摘要翻译: 提供磁光记录介质及其上的记录和再现方法,以便以高S / N比再现通过多值记录记录的信息。 公开了一种包括基于四个组合磁化状态能够进行四值记录的两个磁性层的磁光记录介质。 在波长λ1 1再现时获得的关于四个磁化状态的再现信号的幅度与在波长λ2 2再现时获得的重现信号的大小不同。 在其上记录有信号(a)的两个磁性层分别用波长λ1和λ2的光束照射。 通过使用至少一个限幅电平对从各反射光束再现的信号(d),(e)进行分片,以分别获得二值或更高的多值再现信号。 来自各个波长的两值或更高的多值再生信号(f),(g))相互进行逻辑运算以再现记录信息(i)。

    Reproducing method and reproducing apparatus for magneto-optical recording medium
    47.
    发明授权
    Reproducing method and reproducing apparatus for magneto-optical recording medium 失效
    磁光记录介质的再现方法和再现装置

    公开(公告)号:US06693854B2

    公开(公告)日:2004-02-17

    申请号:US10388397

    申请日:2003-03-17

    IPC分类号: G11B1100

    摘要: External magnetic fields H(x) or reproducing light beams L(x) having different intensity patterns are applied to an identical recording position on a magneto-optical recording medium so that different pieces of information corresponding to the patterns are reproduced from the identical recording position. A function H(x) or L(x) is a password for obtaining the information. Only a person, who knows the function, can access specified information recorded on the magneto-optical recording medium. The function H(x) or L(x) is a function in which the magnetic field intensity or the light intensity is modulated with respect to the recording position x so that magnetic domains may be thinned out to perform reproduction at a specified cycle from continuous magnetic domains in a recording area. Other than the use for the purpose of security, reproduced C/N can be remarkably improved by performing reproduction n times while radiating a reproducing light beam PL/PH which is power-modulated so that the high power PH is applied at every cycle which is not less than n times the recording clock, to a specified magneto-optical recording medium capable of magnetic domain-magnifying reproduction.

    摘要翻译: 具有不同强度图案的外部磁场H(x)或再现光束L(x)被施加到磁光记录介质上相同的记录位置,使得与图案对应的不同的信息从相同的记录位置再现 。 函数H(x)或L(x)是用于获取信息的密码。 知道该功能的人只能访问记录在磁光记录介质上的指定信息。 函数H(x)或L(x)是其中相对于记录位置x调制磁场强度或光强度的功能,使得磁畴可以被稀疏以在连续的指定周期进行再现 记录区域的磁畴。 除了用于安全性的用途之外,通过执行再现n次,可以显着提高再现的C / N,同时辐射被功率调制的再现光束PL / PH,使得在每个周期都应用高功率PH 不小于n倍的记录时钟,到能够进行磁畴放大再现的指定磁光记录介质。

    Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns
    48.
    发明授权
    Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns 失效
    使用不同辐射图的磁光记录介质的再现方法和再现装置

    公开(公告)号:US06556516B1

    公开(公告)日:2003-04-29

    申请号:US09242907

    申请日:1999-03-22

    IPC分类号: G11B1100

    摘要: External magnetic fields H(x) or reproducing light beams L(x) having different intensity patterns are applied to an identical recording position on a magneto-optical recording medium so that different pieces of information corresponding to the patterns are reproduced from the identical recording position. A function H(x) or L(x) is a password for obtaining the information. Only a person, who knows the function, can access specified information recorded on the magneto-optical recording medium. The function H(x) or L(x) is a function in which the magnetic field intensity or the light intensity is modulated with respect to the recording position x so that magnetic domains may be thinned out to perform reproduction at a specified cycle from continuous magnetic domains in a recording area. Other than the use for the purpose of security, reproduced C/N can be remarkably improved by performing reproduction n times while radiating a reproducing light beam PL/PH which is power-modulated so that the high power PH is applied at every cycle which is not less than n times the recording clock, to a specified magneto-optical recording medium capable of magnetic domain-magnifying reproduction.

    摘要翻译: 具有不同强度图案的外部磁场H(x)或再现光束L(x)被施加到磁光记录介质上相同的记录位置,使得与图案对应的不同的信息从相同的记录位置再现 。 函数H(x)或L(x)是用于获取信息的密码。 知道该功能的人只能访问记录在磁光记录介质上的指定信息。 函数H(x)或L(x)是其中相对于记录位置x调制磁场强度或光强度的功能,使得磁畴可以被稀疏以在连续的指定周期进行再现 记录区域的磁畴。 除了用于安全性的用途之外,通过执行再现n次,可以显着提高再现的C / N,同时辐射被功率调制的再现光束PL / PH,使得在每个周期都应用高功率PH 不小于n倍的记录时钟,到能够进行磁畴放大再现的指定磁光记录介质。

    Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads
    49.
    发明授权
    Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads 失效
    具有用于设定磁头位置的调整机构的磁光盘装置

    公开(公告)号:US06404705B1

    公开(公告)日:2002-06-11

    申请号:US09042020

    申请日:1998-03-13

    IPC分类号: G11B1100

    摘要: A magneto-optical disk apparatus and an adjustment method of a head mechanism are provided for strictly and quickly adjusting a setting position of a magnetic head with respect to an optical axis of an optical head. The adjustment method is executed by the following steps. A magnetic super resolution type magneto-optical disk is mounted to the magneto-optical disk apparatus provided with the optical head and the magnetic head. Then, an external magnetic field from the magnetic head is applied onto the magneto-optical disk as applying a laser beam of a reproduction level onto the magneto-optical disk. Then, a reproduction signal output read from the magneto-optical disk is detected concurrently with the application of the external magnetic field. Next, a fine adjustment mechanism is operated so that the reproduction signal output is made maximum with respect to the direction of the external magnetic field, for the purpose of sequentially changing a setting position of the magnetic head with respect of the optical axis of the optical head.

    摘要翻译: 提供一种磁光盘装置和头机构的调整方法,用于严格且快速地调整磁头相对于光学头的光轴的设定位置。 调整方法通过以下步骤执行。 磁性超分辨率型磁光盘被安装到设置有光头和磁头的磁光盘装置上。 然后,将磁头上的外部磁场施加到磁光盘上,将再现电平的激光束施加到磁光盘上。 然后,与外部磁场的施加同时检测从磁光盘读出的再现信号。 接下来,为了顺序地改变磁头相对于光学的光轴的设置位置的目的,操作微调机构使得再现信号输出相对于外部磁场的方向成为最大值 头。

    Magneto-optical recording medium and reproduction method therefor
    50.
    发明授权
    Magneto-optical recording medium and reproduction method therefor 失效
    磁光记录介质及其再现方法

    公开(公告)号:US6122228A

    公开(公告)日:2000-09-19

    申请号:US141305

    申请日:1998-08-27

    摘要: A magneto-optical recording medium comprises, on a substrate, a dielectric layer, a GdFeCo reproducing layer, a non-magnetic layer, and a TbFeCo recording layer. Upon reproduction, a DC magnetic field Hex is applied in the recording direction, and a reproducing light beam is radiated while being modulated to have a low power and a high power in synchronization with a reproducing clock. The reproducing layer is a magnetic film which changes from in-plane magnetization into perpendicular magnetization at a critical temperature Tcr, which has a compensation temperature Tcomp between room temperature and a Curie temperature Tc, and which satisfies Troom

    摘要翻译: 磁光记录介质在基板上包括电介质层,GdFeCo再现层,非磁性层和TbFeCo记录层。 在再现时,在记录方向上施加DC磁场Hex,并且在再现时钟同步的同时,将被再调制的再现光束照射成具有低功率和高功率。 再现层是在室温和居里温度Tc之间具有补偿温度Tcomp的临界温度Tcr从平面内磁化转变为垂直磁化的磁性膜,其满足Troom