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1. 发明授权

US5750951A Power supply system for an electric discharge machine 失效
标题翻译：放电机电源系统
公开(公告)号：US5750951A
公开(公告)日：1998-05-12
申请号：US495627
申请日：1995-08-04
申请人： Yuji Kaneko , Tadao Ueda , Yoshihiro Watanabe , Tatsuo Toyonaga
发明人： Yuji Kaneko , Tadao Ueda , Yoshihiro Watanabe , Tatsuo Toyonaga
IPC分类号： B23H1/02 , B23H7/04
CPC分类号： B23H1/022 , B23H1/02 , B23H2300/22
摘要： A transformer converts high frequency pulses, transmitted through a coaxial cable from a power supply unit positioned at a distance from a gap formed between a tool electrode and a workpiece and having a direct current power supply and switching element, into high frequency alternating current pulses, and is connected to that gap. The transformer includes a ring core, a primary winding connected to the coaxial cable, and a secondary winding connected to the gap. Preferably, these windings will have a minimum number of turns. Further, a bypass means is provided which selectively passes the direct current pulse from the direct current power supply or the alternating current pulse induced in the transformer to the gap. It is preferable to house the bypass means and the transformer in a single case positioned in the vicinity of the gap.
摘要翻译： PCT No.PCT / JP95 / 00232 Sec。 371日期：1995年8月4日 102（e）日期1995年8月4日PCT提交1995年2月17日PCT公布。出版物WO95 / 22426 日期1995年8月24日变压器转换高频脉冲，通过同轴电缆从位于距工具电极和工件之间的间隙一定距离的电源单元传输，并具有直流电源和开关元件，频率交流脉冲，并连接到该间隙。变压器包括环形芯，连接到同轴电缆的初级绕组和连接到间隙的次级绕组。优选地，这些绕组将具有最小匝数。此外，提供了一种旁路装置，其选择性地将来自直流电源的直流脉冲或在变压器中感应的交流电脉冲通过到间隙。优选地将旁路装置和变压器放置在位于间隙附近的单个壳体中。

2. 发明授权

US06222149B1 Power supply device for electric discharge machining apparatus 有权
标题翻译：放电加工装置用电源装置
公开(公告)号：US06222149B1
公开(公告)日：2001-04-24
申请号：US09325738
申请日：1999-06-04
申请人： Tatsuo Toyonaga , Yuji Kaneko , Daisuke Sadamitsu
发明人： Tatsuo Toyonaga , Yuji Kaneko , Daisuke Sadamitsu
IPC分类号： B23H102
CPC分类号： B23H1/022
摘要： A power supply device for electric discharge machining apparatus, for supplying power to a gap formed between a workpiece and a tool electrode comprises a d.c. power source, a bridge circuit supplied with d.c. voltage from the d.c. power source and having switching transistors provided on each side, and a control circuit for controlling the on/off switching operation of switching transistors of the bridge circuit so that a.c. voltage pulses are applied from the bridge circuit to the gap. A first resistor limits current flowing when the workpiece is negatively poled and the tool electrode is positively poled. A second resistor having a larger value than the first resistor limits current flowing when the workpiece is positively poled and the tool electrode is negatively poled.
摘要翻译：用于向形成在工件和工具电极之间的间隙供电的放电加工装置的电源装置包括直流电源。电源，提供直流电桥的电路。电压。电源，并且具有设置在每一侧的开关晶体管，以及用于控制桥式电路的开关晶体管的导通/截止开关操作的控制电路，电压脉冲从桥接电路施加到间隙。第一个电阻器限制当工件被负极极化并且工具电极被正极化时的电流流动。具有比第一电阻值大的值的第二电阻器限制当工件被正极极化并且工具电极被负极化时流动的电流。

3. 发明申请

US20080036414A1 Motor control system for controlling a plurality of motors 有权
公开(公告)号：US20080036414A1
公开(公告)日：2008-02-14
申请号：US11501846
申请日：2006-08-10
申请人： Tatsuo Toyonaga , Yuji Kaneko
发明人： Tatsuo Toyonaga , Yuji Kaneko
IPC分类号： G05B11/32
CPC分类号： G05B11/30
摘要： A motor control system for controlling a plurality of motors for moving an object in respectively different axial directions that includes a plurality of target devices, each target device including a (pulse width modulation) PWM signal generator that generates a PWM signal for driving a motor using a triangular signal, and a host device for supplying a synchronization signal to each of the target devices, wherein each target device is arranged with a corresponding motor, and each PWM signal generator resets the triangular signal in response to the synchronization signal.

4. 发明授权

US6028282A System and method for wire cut discharge machining 有权
标题翻译：线切割放电加工的系统和方法
公开(公告)号：US6028282A
公开(公告)日：2000-02-22
申请号：US180278
申请日：1998-11-06
申请人： Tatsuo Toyonaga , Yuji Kaneko , Masateru Minamikawa
发明人： Tatsuo Toyonaga , Yuji Kaneko , Masateru Minamikawa
IPC分类号： B23H7/10
CPC分类号： B23H7/104
摘要： A wire cut electric discharge machine including a device (6) for pulling a wire electrode (1) such that it travels along a wire transport path, a servo motor (4B) which applies tension to the traveling wire electrode, an NC device which generates a signal indicating a tension setting value; a tension detector (9) which detects the tension applied to the wire electrode and generates a signal indicating the detected value, and a tension control device which processes the signal indicating the tension setting value and the signal indicating the tension detection value, and commands the servo motor rotational speed. The tension control device includes a non-essential frequencies setting circuit (20) which sets non-essential frequencies and generates a signal indicating that setting value, and an electric filter device (19), which blocks non-essential frequencies based on the non-essential frequencies setting circuit output signal.
摘要翻译： PCT No.PCT / JP98 / 00966 Sec。 371日期：1998年11月6日 102（e）1998年11月6日日期PCT提交1998年3月9日PCT公布。第WO98 / 39128号公报日期1998年9月11日一种线切割放电加工机，其特征在于，包括用于拉丝线电极（1）使其沿线输送路径行进的装置（6），向行进线电极施加张力的伺服电动机（4B）生成表示张力设定值的信号的NC装置; 张力检测器（9），其检测施加到线电极的张力并产生指示检测值的信号;以及张力控制装置，其处理指示张力设定值的信号和指示张力检测值的信号，并且命令伺服电机转速。张力控制装置包括非基本频率设定电路（20），其设定非基本频率并产生指示设定值的信号，以及电滤波器装置（19），其基于非限制频率设定电路基本频率设定电路输出信号。

5. 发明授权

US5986232A Electrical discharge machining apparatus and electrical discharge machining method 失效
标题翻译：放电加工装置和放电加工方法
公开(公告)号：US5986232A
公开(公告)日：1999-11-16
申请号：US875922
申请日：1997-08-11
申请人： Yuji Kaneko , Tatsuo Toyonaga
发明人： Yuji Kaneko , Tatsuo Toyonaga
IPC分类号： B23H1/02
CPC分类号： B23H1/022
摘要： An electrical discharge detector (30) which detects electrical discharge generated at a machining gap; a pulse generator (41) which generates a pulse signal which stops after the commencement of electrical discharge in response to the electrical discharge detector; first switching circuits (22A, 22D) which apply voltage pulses of one polarity in response to the pulse signal; second switching circuits (22B, 22C), which apply voltage pulses of the opposite polarity to the machining gap in response to the pulse signal; a flip-flop (46) which retains one of two states; a gate circuit (42, 43) which supplies a pulse signal to the first switching circuit when one state is retained in the flip-flop, and supplies a pulse signal to the second switching circuit when the other state is retained in the flip-flop; circuits (CK, 48, 49) which supply a high frequency pulse to the flip-flop for the duration of the pulse signal; a circuit (44) which supplies a single pulse to the flip-flop each time the pulse signal is inactive; and a machining current supply circuit (10), which supplies a machining current to the machining gap after the commencement of electrical discharge.
摘要翻译： PCT No.PCT / JP96 / 03890 371日期1997年8月11日 102（e）日期1997年8月11日PCT 1996年12月27日PCT公布。第WO97 / 24202号公报日期1997年7月10日检测在加工间隙产生的放电的放电检测器（30）脉冲发生器（41），其响应于所述放电检测器产生在放电开始之后停止的脉冲信号; 响应于脉冲信号施加一个极性的电压脉冲的第一开关电路（22A，22D）; 第二开关电路（22B，22C），其响应于所述脉冲信号向所述加工间隙施加相反极性的电压脉冲; 一个保持两种状态之一的触发器（46）; 门电路（42,43），当一个状态保持在触发器中时，向第一开关电路提供脉冲信号，并且当另一状态保持在触发器中时，将脉冲信号提供给第二开关电路 ; 电路（CK，48,49），其在脉冲信号的持续时间内向触发器提供高频脉冲; 每当脉冲信号无效时，向触发器提供单个脉冲的电路（44）; 以及在放电开始后向加工间隙供给加工电流的加工电流供给电路（10）。

6. 发明授权

US5852269A Method and instrument for determining position wire electrode is in contact with workpiece 失效
标题翻译：确定位置线电极的方法和仪器与工件接触
公开(公告)号：US5852269A
公开(公告)日：1998-12-22
申请号：US809414
申请日：1997-07-28
申请人： Tatsuo Toyonaga , Yuji Kaneko
发明人： Tatsuo Toyonaga , Yuji Kaneko
IPC分类号： B23H1/02 , B23H7/02 , B23H7/04 , B23H7/06 , B23H7/14 , B23H7/10
CPC分类号： B23H7/065 , B23H2500/20
摘要： A contact position measurement method including moving either a wire-shaped tool electrode or a workpiece relative to the other within a plane, and causing the wire to approach a reference position on the workpiece; applying a voltage between the wire and the workpiece with the wire oriented perpendicular to the plane; detecting contact between the workpiece reference position and the wire; placing the workpiece reference position generally at the center of vibration of the wire, determined in accordance with the number of occurrences of detected contact; generating coordinate data indicating the position of the wire with respect to the workpiece; and determining the position of contact based on the coordinate data.
摘要翻译： PCT No.PCT / JP96 / 03309 Sec。 371日期1997年7月28日第 102（e）日期1997年7月28日PCT 1996年11月11日PCT PCT。公开号WO97 / 18052 日期1997年5月22日一种接触位置测量方法，包括在平面内移动线形工具电极或工件相对于另一个，并使线接近工件上的基准位置; 电线与工件之间施加电压，导线垂直于平面; 检测工件基准位置与导线之间的接触; 将工件基准位置一般放置在线的振动中心，根据检测到的触点的发生次数确定; 产生指示线相对于工件的位置的坐标数据; 以及基于坐标数据确定联系人的位置。

7. 发明授权

US07463003B2 Motor control system for controlling a plurality of motors 有权
标题翻译：用于控制多个电动机的电动机控制系统
公开(公告)号：US07463003B2
公开(公告)日：2008-12-09
申请号：US11501846
申请日：2006-08-10
申请人： Tatsuo Toyonaga , Yuji Kaneko
发明人： Tatsuo Toyonaga , Yuji Kaneko
IPC分类号： G05B11/32
CPC分类号： G05B11/30
摘要： A motor control system for controlling a plurality of motors for moving an object in respectively different axial directions that includes a plurality of target devices, each target device including a (pulse width modulation) PWM signal generator that generates a PWM signal for driving a motor using a triangular signal, and a host device for supplying a synchronization signal to each of the target devices, wherein each target device is arranged with a corresponding motor, and each PWM signal generator resets the triangular signal in response to the synchronization signal.
摘要翻译：一种电动机控制系统，用于控制多个电动机，用于在包括多个目标装置的不同轴向上移动物体，每个目标装置包括（脉宽调制）PWM信号发生器，其产生用于驱动电动机的PWM信号，三角形信号和用于向每个目标设备提供同步信号的主机设备，其中每个目标设备被布置有相应的电动机，并且每个PWM信号发生器响应于同步信号复位三角形信号。

8. 发明授权

US5897792A Power supply system for electrical discharge machining unit, and method for electrical discharge machining 失效
标题翻译：放电加工单元电源系统，放电加工方法
公开(公告)号：US5897792A
公开(公告)日：1999-04-27
申请号：US696963
申请日：1996-08-21
申请人： Yuji Kaneko , Tatsuo Toyonaga
发明人： Yuji Kaneko , Tatsuo Toyonaga
IPC分类号： B23H1/02 , B23H7/04
CPC分类号： B23H1/022 , B23H7/04 , B23H2300/22
摘要： A power supply circuit (8) incorporates a DC power supply (8A), a switching element (8B), and a diode (8C). A transformer (12) incorporates a ring core (13), a primary windings (13B), and secondary windings (13C). The switching element (8B) goes ON and OFF on the basis of a signal pulse supplied from a pulse generating device (5), so that a DC current pulse is supplied to the primary side of the transformer (12). An inverting device (15) connected across the power supply circuit (8) and transformer (12) incorporates switches (151), (152), (153), and (154), and is controlled by a signal from a relay circuit. When the switches (151) and (152) are closed, the switches (153) and (154) are open. The first half-wave of the voltage pulse of the current induced on the secondary side of the transformer (12) is supplied to a machining gap formed between a wire (1) and work piece (3) in the direction of the work piece (3). The subsequent half-wave is then supplied to the machining gap in the direction of the wire (1). At this time, the voltage waveform of the current pulse is biased to the positive side in terms of the potential of the work piece with respect to the wire (1). Thus, undesirable coating of the material of the wire (1) onto the surface of the work piece (3) is prevented. When the switches (151) and (152) are opened and the switches (153) and (154) are closed, the AC current pulse induced on the secondary side of the transformer (12) is biased to the negative side.
摘要翻译： PCT No.PCT / JP95 / 02624 Sec。 371日期：1996年8月21日 102（e）日期1996年8月21日PCT提交1995年12月8日PCT公布。第WO96 / 19311号公报日期1996年6月27日电源电路（8）包括直流电源（8A），开关元件（8B）和二极管（8C）。变压器（12）包括环形芯（13），初级绕组（13B）和次级绕组（13C）。基于从脉冲发生装置（5）提供的信号脉冲，开关元件（8B）导通和截止，从而向变压器（12）的初级侧提供直流电流脉冲。连接在电源电路（8）和变压器（12）之间的反相装置（15）包括开关（151），（152），（153）和（154），并且由来自继电器电路的信号控制。当开关（151）和（152）关闭时，开关（153）和（154）打开。在变压器（12）的二次侧感应的电流的电压脉冲的第一半波被供给到在工件（1）和工件（3）之间形成的加工间隙 3）。随后的半波沿线（1）的方向被提供给加工间隙。此时，根据工件相对于导线（1）的电位，电流脉冲的电压波形被偏压到正极侧。因此，防止了将线材（1）的材料涂覆到工件（3）的表面上。当开关（151）和（152）打开并且开关（153）和（154）闭合时，在变压器（12）的次级侧感应的交流电流脉冲被偏压到负侧。

9. 发明授权

US06211481B1 Power supply device for electric discharge machining apparatus 有权
标题翻译：放电加工装置用电源装置
公开(公告)号：US06211481B1
公开(公告)日：2001-04-03
申请号：US09325739
申请日：1999-06-04
申请人： Tatsuo Toyonaga , Yuji Kaneko
发明人： Tatsuo Toyonaga , Yuji Kaneko
IPC分类号： B23H102
CPC分类号： B23H1/022
摘要： A power supply device for an electric discharge machining apparatus, comprising a d.c. power source (2), a bridge circuit (80) having one pair of opposed switching circuits and the other pair of opposed switching circuits, and a controller (90) for alternately turning on either the one pair of switching circuits or the other pair of switching circuits so that high frequency a.c. voltage pulses are applied from a d.c. power source across a gap (G) formed between a workpiece (61) and a tool electrode (62). The four switching circuits (81, 82, 83, 84) respectively include at least two switching transistors connected in parallel, and the controller alternately turns on the least two transistors for each of the four switching circuits.
摘要翻译：一种用于放电加工设备的电源装置，包括直流电源。电源（2），具有一对相对开关电路的桥式电路（80）和另一对相对的开关电路;以及控制器（90），用于交替地接通一对开关电路或另一对开关电路开关电路使高频ac 电压脉冲从直流电电源跨越在工件（61）和工具电极（62）之间形成的间隙（G）。四个开关电路（81,82,83,84）分别包括并联连接的至少两个开关晶体管，并且控制器交替地接通四个开关电路中的每一个的至少两个晶体管。

10. 发明授权

US06130395A Method and apparatus for achieving a fine surface finish in wire-cut EDM 失效
标题翻译：在线切割EDM中实现精细表面光洁度的方法和装置
公开(公告)号：US06130395A
公开(公告)日：2000-10-10
申请号：US98540
申请日：1998-06-17
申请人： Yuji Kaneko , Tatsuo Toyonaga , Daisuke Sadamitsu , Tatsuo Kuloda
发明人： Yuji Kaneko , Tatsuo Toyonaga , Daisuke Sadamitsu , Tatsuo Kuloda
IPC分类号： B23H7/02 , B23H1/02 , B23H7/04 , B23H7/06 , B23H1/00
CPC分类号： B23H7/065 , B23H1/022 , B23H2300/20 , B23H2300/22 , B23H2600/12
摘要： A wire-cut EDM method and apparatus for machining to a fine surface roughness of 1 .mu.m Rmax or less. Two power supplies and a electrode polarity switching system are used. A first high energy power source is used for initial profile cutting and may also be used for one or more later cuts while the machining pulse parameters, and feed rate and offset are adjusted for increasing less rough surface finishes. The wire electrode is held at negative machining potential. A second power supply and smaller offset values are used for later cuts to create lower values of surface roughness, while still maintaining the wire electrode at a negative machining potential. Finally, in order to create a fine finished surface (Rmax.ltoreq.1 .mu.m), the offset is further reduced and the wire electrode polarity is reversed.
摘要翻译：一种线切割EDM方法和用于机加工至1μmRmax以下的精细表面粗糙度的装置。使用两个电源和电极极性切换系统。第一个高能量电源用于初始型材切割，并且还可以用于一个或多个稍后的切割，同时调整加工脉冲参数以及进给速率和偏移以增加较不粗糙的表面光洁度。线电极保持在负加工电位。第二个电源和较小的偏移值用于稍后的切割以产生更低的表面粗糙度值，同时仍将线电极保持在负的加工潜力。最后，为了形成精加工表面（Rmax <1μm），偏移进一步减小，线电极极性相反。

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