公开(公告)号：US5104268A

公开(公告)日：1992-04-14

申请号：US757043

申请日：1991-09-09

申请人： Katsuyoshi Kitagawa ,  Yasukazu Hayashi

发明人： Katsuyoshi Kitagawa ,  Yasukazu Hayashi

IPC分类号： B23G3/00 ,  B23G1/22 ,  B23G1/34 ,  B23G3/08 ,  G05B19/18

CPC分类号： B23G1/34 ,  G05B19/186 ,  Y10T409/300112 ,  Y10T409/300392 ,  Y10T409/300672 ,  Y10T82/10 ,  Y10T82/20

摘要： For machining male or female screws, especially of considerably large size diameter, variable pitch or tapered, as desired, a machining center is used which is composed of a work table mounting the work fixedly thereon, and a rotatable machining spindle exchangeably fitted with a thread-cutting tool. Axial feed and rotational speed of the spindle are driven by respective drive motors. In addition, the work table is fed bilaterally on a plane perpendicular to the axis of the spindle by respective feed motors. All these four motors are controlled synchronously by respective controllers which are subjected to control by a single parent numerical controller.

公开(公告)号：US5076744A

公开(公告)日：1991-12-31

申请号：US579963

申请日：1990-09-10

申请人： Katsuyoshi Kitagawa ,  Yasukazu Hayashi

发明人： Katsuyoshi Kitagawa ,  Yasukazu Hayashi

IPC分类号： B23G3/00 ,  B23G1/22 ,  B23G1/34 ,  B23G3/08 ,  G05B19/18

CPC分类号： B23G1/34 ,  G05B19/186 ,  Y10T409/300112 ,  Y10T409/300392 ,  Y10T409/300672 ,  Y10T82/10 ,  Y10T82/20

摘要： For machining male or female screws, especially of considerably large size diameter, variable pitch or taper, as desired, a machining center is used which is composed of a work table mounting the work fixedly thereon, and a rotatable machining spindle exchangeably fitted with a thread-cutting tool. Axial feed and rotational speed of the spindle are driven by respective drive motors. In addition, the work table is fed bilaterally on a plane perpendicular to the axis of the spindle by respective feed motors. All these four motors are controlled synchronously by respective controllers which are subjected to control by a single parent numerical controller.

摘要翻译： 为了根据需要加工具有相当大尺寸直径，可变节距或锥度的公螺纹或母螺钉，使用加工中心，其由固定在其上的工件的工作台和可交换地装配有螺纹的可旋转加工轴组成 -切割用具。 主轴的轴向进给和转速由相应的驱动电机驱动。 另外，工作台通过相应的进给马达在与主轴的轴线垂直的平面上进行双向进给。 所有这四个电动机由相应的控制器同步控制，控制器由单个母数值控制器进行控制。

公开(公告)号：US07474091B2

公开(公告)日：2009-01-06

申请号：US12051963

申请日：2008-03-20

申请人： Yasukazu Hayashi ,  Taishi Shimada

发明人： Yasukazu Hayashi ,  Taishi Shimada

IPC分类号： G01B7/30 ,  G01B7/14

CPC分类号： G01D5/145 ,  G01D5/24442 ,  G01D5/24466

摘要： A scale section is made of a magnetic material. A repeated pattern is recorded at a uniform pitch on the surface of the scale section. A sensor section is provided independently from the scale section. The sensor section is provided with a magnetic position sensor that reads the pattern, on a surface close to the surface of the scale section. Further, the sensor section is provided with a magnetic tilt sensor that detects a tilt between the surface of the scale section and the surface of the sensor section on which the position sensor is located. The magnetic position detector in which the scale section and the sensor section are separated from each other can be efficiently fixed to a detection target using the tilt sensor.

摘要翻译： 刻度部分由磁性材料制成。 在刻度部分的表面上以均匀的间距记录重复图案。 传感器部分独立于刻度部分提供。 传感器部分设置有磁性位置传感器，其在靠近刻度部分的表面的表面上读取图案。 此外，传感器部分设置有磁倾斜传感器，其检测刻度部分的表面与位置传感器所在的传感器部分的表面之间的倾斜。 可以使用倾斜传感器将标尺部分和传感器部分彼此分离的磁性位置检测器有效地固定到检测目标。

公开(公告)号：US07049924B2

公开(公告)日：2006-05-23

申请号：US11170654

申请日：2005-06-29

申请人： Yasukazu Hayashi ,  Noriyuki Fukui

发明人： Yasukazu Hayashi ,  Noriyuki Fukui

IPC分类号： H01F5/00

CPC分类号： G01D5/2046 ,  H01F5/003

摘要： An electromagnetic induction type position sensor comprises an AC magnetic flux generating device which generates AC magnetic flux substantially at a wavelength λ, and a plurality of coils which receives the AC magnetic flux to output electromagnetic induction voltages. Each coil includes a plurality of sinusoidal conductive patterns at a wavelength λ formed in each of an even number of layers laminated via insulating materials. The plurality of conductive patterns formed in a same layer is arranged with a space between them in an amplitude direction of the sinusoidal shape, and is formed at the same position as a plurality of conductive patterns formed in another adjacent layer, and its amplitude is in a reverse phase to that of the plurality of conductive patterns formed in the other adjacent layer. All the conductive patterns constituting the same coil are connected in series so that a direction of an electric current of these conductive patterns is opposite to that of the conductive patterns in reverse phases when viewed from the front of the layers.

摘要翻译： 电磁感应型位置传感器包括产生基本上波长为λ的交流磁通量的交流磁通量产生装置和接收交流磁通以输出电磁感应电压的多个线圈。 每个线圈包括在通过绝缘材料层叠的偶数层中的每一个中形成的波长λ的多个正弦导电图案。 形成在同一层中的多个导电图案在它们之间以正弦形状的振幅方向布置有它们之间的空间，并且形成在与形成在另一相邻层中的多个导电图案相同的位置，并且其幅度在 与形成在另一相邻层中的多个导电图案的相反相位。 构成相同线圈的所有导电图案被串联连接，使得当从层的前面观察时，这些导电图案的电流方向与反相的导电图案的方向相反。

公开(公告)号：US5900824A

公开(公告)日：1999-05-04

申请号：US893255

申请日：1997-07-16

申请人： Yasukazu Hayashi

发明人： Yasukazu Hayashi

IPC分类号： G08C15/00 ,  H04Q9/00 ,  G08C19/10

CPC分类号： H04Q9/00

摘要： To improve the flexibility in changing a transfer procedure and the efficiency in transferring data when a plurality of sensors transmit detected data to a detected data receiver. The detected data receiver transmits detected data transfer request command RS simultaneously to a plurality of sensors. A detected data transfer request command RS contains information regarding a network using order, to thereby inform respective sensors of a data transferring order. A sensor which has been requested to carry out data transferring by the command RS detects the completion of data transferring by a sensor which has been requested to carry out data transferring immediately preceding the sensor concerned, and then initiates its own data transferring. With this arrangement, a transfer procedure can be flexibly changed by using a request command RS, and useless intervals between data transfers by respective sensors are omitted.

摘要翻译： 当多个传感器将检测到的数据传送到检测到的数据接收器时，提高改变传送过程的灵活性和传送数据的效率。 检测数据接收机同时向多个传感器发送检测到的数据传送请求命令RS。 检测到的数据传送请求命令RS包含关于使用订单的网络的信息，从而通知各个传感器的数据传送顺序。 已经被请求通过命令RS进行数据传送的传感器检测到已经被请求执行紧接在传感器之前的数据传送的传感器的数据传送完成，然后发起自己的数据传送。 通过这种布置，可以通过使用请求命令RS灵活地改变传送过程，并且省略由各个传感器进行的数据传送之间的无用间隔。

公开(公告)号：US5032750A

公开(公告)日：1991-07-16

申请号：US539745

申请日：1990-06-18

申请人： Yasukazu Hayashi

发明人： Yasukazu Hayashi

IPC分类号： G01B7/30 ,  G01B7/00 ,  G01D5/20 ,  G01D5/245 ,  H02K24/00

CPC分类号： H02K24/00 ,  G01D5/2086

摘要： An absolute position detector for detecting an absolute position of a rotating shaft (1) includes a rotatable shaft and first gearing for operatively coupling the rotating shaft to the rotatable shaft (3a). Resolvers are provided, each having a stator and a rotor. The stator includes pole teeth made of a magnetic material and arranged along an outer circumference of the rotating shaft at a distance from the rotating shaft. The rotor includes a rotor made of a magnetic material respectively associated with pole teeth and located between the rotating shaft and pole teeth. Second gearing operatively couples the rotor of the resolvers to the rotatable shaft. Upon a rotation of the rotating shaft, the first gearing causes the rotatable shaft to rotate, and upon a rotation of the rotatable shaft, the second gearing (14 and 15) causes the rotor of each of the resolvers, at incrementally different gear ratios, to vary reluctance of a magnetic circuit formed by the pole teeth of an associated stator portion.

摘要翻译： 用于检测旋转轴（1）的绝对位置的绝对位置检测器包括可旋转轴和用于将旋转轴可操作地联接到可旋转轴（3a）的第一齿轮传动装置。 提供了分离器，每个具有定子和转子。 定子包括由磁性材料制成的极齿，并且沿与旋转轴一定距离的旋转轴的外圆周布置。 转子包括由分别与极齿相关并位于旋转轴和极齿之间的磁性材料制成的转子。 第二传动装置将旋转变压器的转子可操作地连接到可旋转轴。 在旋转轴的旋转时，第一齿轮传动使可转动的轴转动，并且在旋转轴的旋转时，第二齿轮传动装置14和15使得每个旋转变压器的转子以递增不同的传动比， 以改变由相关联的定子部分的极齿形成的磁路的磁阻。

公开(公告)号：US20080231265A1

公开(公告)日：2008-09-25

申请号：US12051963

申请日：2008-03-20

申请人： Yasukazu Hayashi ,  Taishi Shimada

发明人： Yasukazu Hayashi ,  Taishi Shimada

IPC分类号： G01R33/00 ,  G01B7/30

CPC分类号： G01D5/145 ,  G01D5/24442 ,  G01D5/24466

摘要： A scale section is made of a magnetic material. A repeated pattern is recorded at a uniform pitch on the surface of the scale section. A sensor section is provided independently from the scale section. The sensor section is provided with a magnetic position sensor that reads the pattern, on a surface close to the surface of the scale section. Further, the sensor section is provided with a magnetic tilt sensor that detects a tilt between the surface of the scale section and the surface of the sensor section on which the position sensor is located. The magnetic position detector in which the scale section and the sensor section are separated from each other can be efficiently fixed to a detection target using the tilt sensor.

摘要翻译： 刻度部分由磁性材料制成。 在刻度部分的表面上以均匀的间距记录重复图案。 传感器部分独立于刻度部分提供。 传感器部分设置有磁性位置传感器，其在靠近刻度部分的表面的表面上读取图案。 此外，传感器部分设置有磁倾斜传感器，其检测标尺部分的表面与位置传感器所在的传感器部分的表面之间的倾斜。 可以使用倾斜传感器将标尺部分和传感器部分彼此分离的磁性位置检测器有效地固定到检测目标。

公开(公告)号：US20080228423A1

公开(公告)日：2008-09-18

申请号：US12047893

申请日：2008-03-13

申请人： Yasukazu Hayashi

发明人： Yasukazu Hayashi

IPC分类号： G01B7/00

CPC分类号： G01D5/24409 ,  G01D5/24452 ,  G01D5/2448 ,  G01D5/2449 ,  G01D5/2451

摘要： Two position sensors provide, as outputs, two signals that vary sinusoidally at a pitch of wavelength λ with respect to a displacement of a target and have phases shifted from each other by 90°. A memory unit has stored therein offset values for the two signals, and two subtractors eliminate the offset values from the two signals, respectively. The two signals after offset elimination are converted into position data in an interpolation calculator. A radius calculator calculates a radius value of the two signals after offset elimination. An FFT calculates offset values based on the position data and the radius values, and the calculated offset values are used to update the values stored in the memory unit. An amplitude ratio correction value and a phase difference correction value for the two signals are updated similarly. By performing elimination of the components that degrade interpolation accuracy at every rotational position, interpolation accuracy is improved.

摘要翻译： 两个位置传感器作为输出提供两个相对于目标的位移以波长λ的间距正弦变化并且相位彼此相差90°的信号。 存储器单元存储两个信号的偏移值，并且两个减法器分别从两个信号中消除偏移值。 偏移消除后的两个信号在插值计算器中被转换成位置数据。 半径计算器计算偏移消除后的两个信号的半径值。 FFT基于位置数据和半径值计算偏移值，并且使用计算的偏移值来更新存储单元中存储的值。 类似地更新两个信号的幅度比校正值和相位差校正值。 通过消除在每个旋转位置降低插值精度的部件，提高了插值精度。

公开(公告)号：US20070120713A1

公开(公告)日：2007-05-31

申请号：US11560421

申请日：2006-11-16

申请人： Yasukazu Hayashi

发明人： Yasukazu Hayashi

IPC分类号： H03M7/34

CPC分类号： G01D5/2454 ,  G01D5/2492

摘要： An absolute position detector for accurately reading a code recorded on an absolute track is provided. Output signals from sensors that read a code recorded on an absolute track are input into a binarization processor. A compensator provided within the binarization processor functions to correct and determine the value of a read target bit based on an output signal from a read sensor which is the sensor located closest to the center of the one-bit width of the read target bit, and an output signal from a compensation sensor, which is a sensor separated from the read sensor by a distance within the range from λ/2 to 3·λ/2.

摘要翻译： 提供了用于准确读取记录在绝对轨道上的代码的绝对位置检测器。 来自读取记录在绝对轨道上的代码的传感器的输出信号被输入到二进制化处理器中。 提供在二值化处理器内的补偿器基于来自读取传感器的输出信号来校正和确定读取目标位的值，读取传感器位于最靠近读取目标位的一位宽度的中心位置的传感器，以及 来自补偿传感器的输出信号，该补偿传感器是从读取传感器离开λ/ 2到λλ/ 2的范围内的距离的传感器。

公开(公告)号：US5382900A

公开(公告)日：1995-01-17

申请号：US171619

申请日：1993-12-22

申请人： Yasukazu Hayashi

发明人： Yasukazu Hayashi

IPC分类号： G01B7/00 ,  G01B7/30 ,  G01B7/312 ,  G01B21/00 ,  G01B21/22 ,  G01D5/14 ,  G01D5/16 ,  G01D5/20 ,  G01D5/245 ,  G01B7/14 ,  G06F15/20

CPC分类号： G01D5/147 ,  G01B7/312 ,  G01D5/2046

摘要： Multiple output signals of rotary displacement sensors of a machine tool spindle are processed by a multi-displacement detector to detect a displacement which is different from a radial displacement in a moving direction. This results in a reduced number of displacement sensors. The multi-displacement detector includes: a moving section whose surface is continuously irregular in the moving direction; a stationary section including a plurality of sensors each outputting a signal that contains an output component whose level is proportional to a sine-wave value of a displacement in the moving direction and has an amplitude modulated in proportion to a variation in the gap from the irregular surface; and an arithmetic logic device for receiving the output signals of the plurality of sensors and for outputting signals indicative of a displacement in the moving direction and another at least one displacement of the moving section.

摘要翻译： 机床主轴的旋转位移传感器的多个输出信号由多位移检测器处理，以检测与移动方向上的径向位移不同的位移。 这导致位移传感器数量减少。 多位移检测器包括：表面在移动方向上连续不规则的移动部分; 一个固定部分，包括多个传感器，每个传感器输出一个信号，该信号包含一个输出分量，该输出分量的电平与移动方向上位移的正弦波值成正比，并且具有与该间隙的偏差成正比的幅度 表面; 以及用于接收所述多个传感器的输出信号并且用于输出指示所述移动方向上的位移和所述移动部分的另一个位移的信号的算术逻辑装置。