Numerical control device, wire electric discharge machining apparatus using the same, and wire electric discharge machining method using the same
    11.
    发明授权
    Numerical control device, wire electric discharge machining apparatus using the same, and wire electric discharge machining method using the same 有权
    数控装置,使用该放电加工装置的放线加工装置及其使用的放线加工方法

    公开(公告)号:US09272349B2

    公开(公告)日:2016-03-01

    申请号:US13574521

    申请日:2010-01-22

    CPC分类号: B23H7/20 B23H7/102 B23H7/14

    摘要: A numerical control device for a wire electric discharge machining apparatus generates a wire-breakage sign signal, outputs a machining-condition re-setting instruction and wire-breakage threshold re-setting instruction from the wire-breakage sign signal and wire-breakage threshold, sets the wire-breakage threshold according to the wire-breakage threshold re-setting instruction and a wire-breakage signal, calculates a machining energy from a discharge pulse count, measures a machining speed from position information, calculates a board thickness of the workpiece from the machining energy and machining speed, outputs, according to a predetermined algorithm, a machining-condition switching instruction from the board thickness, the machining-condition re-setting instruction, and the wire-breakage signal, sends an oscillation instruction to a oscillator and sends a shaft feed instruction to a servo amplifier so that the machining condition is set to one determined by the machining-condition switching instruction, and stores the machining condition and wire-breakage threshold that correspond to each board thickness.

    摘要翻译: 一种电线放电加工装置的数控装置生成断线信号,从断线符号信号和断线阈值输出加工条件重新设定指令和断线阈值重新设定指令, 根据断线阈值重新设置指令和断线信号设置断线阈值,从放电脉冲计数中计算加工能量,从位置信息测量加工速度,计算工件的板厚度 加工能量和加工速度,根据预定算法,从板厚度,加工条件重新设定指令和断线信号输出加工条件切换指令,向振荡器发送振荡指令, 向伺服放大器发送轴进给指令,使加工条件设定为由加工条件确定的加工条件 n切换指令,并存储对应于每个板厚度的加工条件和断线阈值。

    HIGH-FREQUENCY POWER SOURCE GENERATION DEVICE
    12.
    发明申请
    HIGH-FREQUENCY POWER SOURCE GENERATION DEVICE 有权
    高频电源产生装置

    公开(公告)号:US20140097909A1

    公开(公告)日:2014-04-10

    申请号:US14116900

    申请日:2012-05-21

    IPC分类号: H03K3/354

    摘要: A high-frequency power source generation device includes switching element groups having a configuration in which a plurality of switching elements turned on/off cyclically are connected in parallel. One parallel connection terminal of the switching element group is connected to a positive electrode terminal of a DC power source, and one parallel connection terminal of the switching element group is connected to a negative electrode terminal of the DC power source. Respective other parallel connection terminals of the switching element groups are connected via a reactor. A pulse voltage that appears at opposite ends of the reactor due to a cyclic on/off operation of the switching element groups is applied to a load through a coaxial cable and a matching circuit.

    摘要翻译: 高频电源发生装置具有并联连接有多个开关元件的导通/截止的开关元件组。 开关元件组的一个并联连接端子连接到直流电源的正极端子,并且开关元件组的一个并联连接端子连接到直流电源的负极端子。 开关元件组的各个其他并联端子通过反应器连接。 由于开关元件组的周期性开/关操作而出现在电抗器的相对端的脉冲电压通过同轴电缆和匹配电路施加到负载上。

    Electric discharge machining apparatus and electric discarge machining method
    13.
    发明授权
    Electric discharge machining apparatus and electric discarge machining method 有权
    放电加工装置和电动放大加工方法

    公开(公告)号:US08309876B2

    公开(公告)日:2012-11-13

    申请号:US12865655

    申请日:2008-01-31

    IPC分类号: B23H1/00

    CPC分类号: B23H1/022

    摘要: In a waveform of switching signals, which is output from a full-bridge circuit formed of four switching elements, includes a normal polarity pulse group and a reversed polarity pulse group for controlling an output timing of voltage pulses. A duty cycle of the normal polarity pulse group containing a plurality of normal polarity pulses, which apply a positive power-supply polarity to a workpiece and apply a negative power-supply polarity to a machining-purpose electrode, is configured so as to be different from a duty cycle of the reversed polarity pulse group containing a plurality of reversed polarity pulses, which apply a negative power-supply polarity to the workpiece and apply a positive power-supply polarity to the machining-purpose electrode.

    摘要翻译: 在从由四个开关元件构成的全桥电路输出的开关信号的波形中,包括用于控制电压脉冲的输出定时的正极性脉冲组和反极性脉冲组。 将包含对工件施加正电源极性并向加工用电极施加负电源极性的多个正常极性脉冲的正常极性脉冲群的占空比构成为不同 从包含多个反极性脉冲的反极性脉冲组的占空比,向工件施加负电源极性,并向加工用电极施加正电源极性。

    Wire electric discharge machining apparatus and wire electric discharge machining method
    14.
    发明授权
    Wire electric discharge machining apparatus and wire electric discharge machining method 有权
    线放电加工装置及线放电加工方法

    公开(公告)号:US07638726B2

    公开(公告)日:2009-12-29

    申请号:US11665683

    申请日:2006-04-05

    IPC分类号: B23H7/02 B23H7/20

    CPC分类号: B23H7/04 B23H1/022

    摘要: A discharge-generation control unit applies at least a preliminary-discharge voltage pulse and a main-discharge voltage pulse between a wire electrode and a work. A discharge-position determining unit determines a discharge position from results of measurement by a plurality of current measuring units. A machining-energy adjusting unit adjusts machining energy generated by the main-discharge voltage pulse based on a discharge position determined before applying the main-discharge voltage pulse, and reflects a result of the adjustment on the generation of an electric discharge by feeding the result to the discharge-generation control unit.

    摘要翻译: 放电产生控制单元在线电极和工件之间至少施加预放电电压脉冲和主放电电压脉冲。 放电位置确定单元通过多个电流测量单元从测量结果确定放电位置。 加工能量调节单元基于在施加主放电电压脉冲之前确定的放电位置来调整由主放电电压脉冲产生的加工能量,并且通过馈送结果来反映对放电产生的调整结果 到放电产生控制单元。

    Wire-discharge machining apparatus
    15.
    发明授权
    Wire-discharge machining apparatus 有权
    放线加工机

    公开(公告)号:US06396021B1

    公开(公告)日:2002-05-28

    申请号:US09613751

    申请日:2000-07-11

    IPC分类号: B23H100

    CPC分类号: B23H1/024 B23H7/04 B23H7/20

    摘要: A wire-discharge machining apparatus for machining a workpiece by generating discharges between a wire electrode and the workpiece. In machining, the apparatus can detect all portions where wire-breakage frequently occurs and strictly discriminate between a condition detected and a control result, achieving wire-breakage prevention. This wire-discharge machining apparatus has an evaluating device and a controller. The evaluating device measure cycles, frequencies, or ignition delay times of the discharges as a measured value, evaluates the dispersion of the measured values, and outputs an evaluation value. The controller controls machining conditions according to the evaluation value.

    摘要翻译: 一种放线加工装置,用于通过在线电极和工件之间产生放电来加工工件。 在加工中,该装置可以检测所有发生断线的部分,并严格区分检测到的条件和控制结果,从而实现断线预防。 该放线加工装置具有评价装置和控制器。 评估装置测量放电的周期,频率或点火延迟时间作为测量值,评估测量值的色散,并输出评估值。 控制器根据评估值控制加工条件。

    Electric discharge machining device that applies a voltage pulse between a processing electrode and a workpiece
    17.
    发明授权
    Electric discharge machining device that applies a voltage pulse between a processing electrode and a workpiece 有权
    在处理电极和工件之间施加电压脉冲的放电加工装置

    公开(公告)号:US08350177B2

    公开(公告)日:2013-01-08

    申请号:US12865068

    申请日:2008-01-31

    IPC分类号: B23H1/00

    CPC分类号: B23H1/022 Y10T307/609

    摘要: An electric discharge machining device that performs processing by applying a voltage pulse to space between the processing electrode and the workpiece and suitably switching the polarity of the voltage pulse attains both desired processing accuracy and desired controllability. The electric discharge machining device is provided with the first to fourth switching elements. The controlling unit that controls these switching elements, when setting a period time in which the first switching element is turned on, a period of time in which the fourth switching element is in an on-state in the same period, and, when setting a period time in which the second switching element is turned on, a period of time in which the third switching element is in an on-state in the same period so that a desired voltage pulse is applied to the space between the processing electrode and the workpiece.

    摘要翻译: 通过对处理电极和工件之间的空间施加电压脉冲并适当地切换电压脉冲的极性来进行处理的放电加工装置既能达到期望的加工精度和期望的可控性。 放电加工装置具有第一至第四开关元件。 控制这些开关元件的控制单元,当设定第一开关元件导通的周期时间时,第四开关元件在同一时间段内处于导通状态的时间段,并且当设置 第二开关元件导通的周期时间,第三开关元件在同一时间段内处于导通状态的时间段,使得期望的电压脉冲施加到处理电极和工件之间的空间 。

    Wire electrical discharge machining apparatus
    18.
    发明授权
    Wire electrical discharge machining apparatus 有权
    线放电加工机

    公开(公告)号:US08258420B2

    公开(公告)日:2012-09-04

    申请号:US12375366

    申请日:2006-10-24

    IPC分类号: B23H7/04 B23H1/02

    摘要: A wire electrical discharge machining apparatus includes a unit capable of separately opening and closing each of a high impedance path and a low impedance path, a unit that sets an open/close pattern in which a combination of closing one of the feeding paths and opening another one of the feeding paths is designated for switching power feeding between the high impedance path and the low impedance path, a unit that changes pulse energy per feeding pulse in a present feeding path to reduce a difference in discharge pulse energy applied to an inter-electrode gap from a machining power supply between at a time of high-impedance-path feeding and at a time of low-impedance-path feeding, and a unit that controls opening and closing of the path open/close unit in accordance with the changed open/close pattern.

    摘要翻译: 线放电加工装置包括能够单独打开和关闭高阻抗路径和低阻抗路径的单元,设置打开/关闭图案的单元,其中关闭一个馈送路径并打开另一个的组合 馈送路径中的一个被指定用于在高阻抗路径和低阻抗路径之间切换供电,该单元改变当前馈送路径中每个馈送脉冲的脉冲能量,以减少施加到电极间的放电脉冲能量的差异 在高阻抗路径馈送时和低阻抗路径馈送时的来自加工电源的间隙以及根据改变的开路来控制路径打开/关闭单元的打开和关闭的单元 /关闭模式。

    ELECTRIC DISCHARGE MACHINING DEVICE
    19.
    发明申请
    ELECTRIC DISCHARGE MACHINING DEVICE 有权
    电动放料加工设备

    公开(公告)号:US20100308017A1

    公开(公告)日:2010-12-09

    申请号:US12865068

    申请日:2008-01-31

    IPC分类号: B23H1/02 H02J1/00

    CPC分类号: B23H1/022 Y10T307/609

    摘要: An electric discharge machining device that performs processing by applying a voltage pulse to space between the processing electrode and the workpiece and suitably switching the polarity of the voltage pulse attains both desired processing accuracy and desired controllability. The electric discharge machining device is provided with the first to fourth switching elements. The controlling unit that controls these switching elements, when setting a period time in which the first switching element is turned on, a period of time in which the fourth switching element is in an on-state in the same period, and, when setting a period time in which the second switching element is turned on, a period of time in which the third switching element is in an on-state in the same period so that a desired voltage pulse is applied to the space between the processing electrode and the workpiece.

    摘要翻译: 通过对处理电极和工件之间的空间施加电压脉冲并适当地切换电压脉冲的极性来进行处理的放电加工装置既能达到期望的加工精度和期望的可控性。 放电加工装置具有第一至第四开关元件。 控制这些开关元件的控制单元,当设定第一开关元件导通的周期时间时,第四开关元件在同一时间段内处于导通状态的时间段,并且当设置 第二开关元件导通的周期时间,第三开关元件在同一时间段内处于导通状态的时间段,使得期望的电压脉冲施加到处理电极和工件之间的空间 。

    WIRE ELECTRICAL DISCHARGE MACHINING APPARATUS
    20.
    发明申请
    WIRE ELECTRICAL DISCHARGE MACHINING APPARATUS 有权
    电线放电加工设备

    公开(公告)号:US20100012626A1

    公开(公告)日:2010-01-21

    申请号:US12375366

    申请日:2006-10-24

    IPC分类号: B23H1/02

    摘要: A wire electrical discharge machining apparatus includes a unit capable of separately opening and closing each of a high impedance path and a low impedance path, a unit that sets an open/close pattern in which a combination of closing one of the feeding paths and opening another one of the feeding paths is designated for switching power feeding between the high impedance path and the low impedance path, a unit that changes pulse energy per feeding pulse in a present feeding path to reduce a difference in discharge pulse energy applied to an inter-electrode gap from a machining power supply between at a time of high-impedance-path feeding and at a time of low-impedance-path feeding, and a unit that controls opening and closing of the path open/close unit in accordance with the changed open/close pattern.

    摘要翻译: 线放电加工装置包括能够单独打开和关闭高阻抗路径和低阻抗路径的单元,设置打开/关闭图案的单元,其中关闭一个馈送路径并打开另一个的组合 馈送路径中的一个被指定用于在高阻抗路径和低阻抗路径之间切换供电,该单元改变当前馈送路径中每个馈送脉冲的脉冲能量,以减少施加到电极间的放电脉冲能量的差异 在高阻抗路径馈送时和低阻抗路径馈送时的来自加工电源的间隙以及根据改变的开路来控制路径打开/关闭单元的打开和关闭的单元 /关闭模式。