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    • 3. 发明专利
    • 極間距離を一定にするワイヤ放電加工機
    • 线放电加工机的加工间隙距离恒定
    • JP2017042858A
    • 2017-03-02
    • JP2015166136
    • 2015-08-25
    • ファナック株式会社
    • 川原 章義中島 廉夫
    • B23H7/02
    • B23H7/18B23H1/024B23H7/04B23H7/16B23H7/02G05B2219/45043
    • 【課題】ワイヤ放電加工機によりワークを放電加工するに際し、ワークとワイヤ電極とで形成される極間の距離を一定にすることが可能なワイヤ放電加工機を提供する。 【解決手段】制御量検出装置6は極間電圧検出装置であって、極間距離と相関のある平均極間電圧を制御量として検出し、加工送り速度演算装置8は目標値設定装置7により設定された目標電圧と平均極間電圧との偏差に基づき、偏差をなくすように加工送り速度を決定する。送り速度分配装置9、X軸モータ10、Y軸モータ11からなる相対移動装置12は、このようにして決定された加工送り速度の指令に基づき、ワイヤ電極13とワーク14とを相対移動させることにより、極間距離を一定にする。 【選択図】図1
    • 当放电用A线放电加工机加工工件,以提供工件和线电极,并通过它形成可以是一个恒定线放电加工机的极之间的距离。 的控制量检测装置6是一个极间电压检测装置检测与作为控制量,由所述目标值加工进给速度运算装置8设定装置7的电极之间的距离相关联的平均加工间隙电压 根据所设定的目标电压的偏差和平均加工间隙的电压,并确定加工进给速度,以消除该偏差。 进料速度分配装置9,X轴电机10,基于所确定的被如此处理的进料速率的命令组成的Y轴马达11相对于运动装置12的,从而相对地移动所述金属丝电极13和工件14 因此,电极间距离恒定。 点域1
    • 4. 发明专利
    • Wire electric discharge machine having function for correcting wire electrode position
    • 具有校正线电极位置的功能的电线放电机
    • JP2014133293A
    • 2014-07-24
    • JP2013003644
    • 2013-01-11
    • Fanuc Ltdファナック株式会社
    • YOSHIZAKI DAISUKEMAKINO YOSHINORI
    • B23H7/02
    • B23H7/065B23H7/10B23H7/18B23H7/20G05B19/404G05B2219/45043
    • PROBLEM TO BE SOLVED: To provide a wire electric discharge machine for detecting fluid pressure of machining fluid jetted from upper and lower nozzles, and correcting displacement of a wire electrode according to the fluid pressure of the machining fluid, on the basis of a beforehand stored relational expression.SOLUTION: The wire electric discharge machine which performs electric discharge machining according to a machining program, while relatively moving a wire electrode 3 and a workpiece 4 supported by upper and lower wire guides 5, 6 provided in upper and lower nozzles 1, 2 respectively, and supplying machining fluid from the upper and lower nozzles 1, 2 includes: upper and lower machining fluid pressure detectors 7, 8 for detecting fluid pressure of the machining fluid supplied from the upper and lower nozzles 1, 2 during the electric discharge machining; a storage device 51 for storing a relational expression representing relation between the fluid pressure of the machining fluid, and the amount of displacement of relative positions of the wire electrode 3 and the workpiece 4; and a controller for, on the basis of the relational expression stored in the storage device 51, obtaining a correction value for the fluid pressure of the machining fluid detected by the fluid pressure detectors 7, 8, correcting a command value of the machining program using the correction value, and correcting a position of the wire electrode 3.
    • 要解决的问题:提供一种用于检测从上下喷嘴喷射的加工流体的流体压力的线材放电机,并根据预先存储的加工流体的液体压力来校正线电极的位移 关系表达。解决方案:根据加工程序进行放电加工的电线放电机,同时相对移动由设置在上部和下部喷嘴1中的上部和下部导线器5,6支撑的线电极3和工件4, 2,并且从上下喷嘴1,2供应加工流体包括:上下加工液压检测器7,8,用于检测在放电期间从上下喷嘴1,2供给的加工液的流体压力 加工; 存储装置51,用于存储表示加工液的流体压力与线电极3与工件4的相对位置的位移量的关系式; 以及控制器,基于存储在存储装置51中的关系表达式,获得由流体压力检测器7,8检测到的加工液的流体压力的校正值,使用 校正值,并且校正线电极3的位置。
    • 5. 发明专利
    • Electric discharge processing device and method, and method for distinguishing generation of electric discharge
    • 电放电加工装置及方法,以及放电发生方法
    • JP2008023701A
    • 2008-02-07
    • JP2007159623
    • 2007-06-18
    • Sodick America CorpSodick Co Ltdソディック アメリカ コーポレーション株式会社ソディック
    • YONEDA KOJITOYONAGA TATSUO
    • B23H1/02
    • B23H7/04B23H1/022B23H1/024B23H7/18
    • PROBLEM TO BE SOLVED: To provide an electric discharge processing device and method capable of realizing a stable electric discharge processing by controlling a processing interval to generate a predetermined number of electric discharge.
      SOLUTION: This electric discharge processing device 1 comprises a power supply device 5 applying an alternating-current voltage to a processing interval formed between a tool electrode E and a workpiece W, a motor 7 relatively moving the tool electrode E to the workpiece W, and a control device 10. The control device 10 includes a reverse-rotation counter 42 counting a number that the alternating-current voltage in the processing interval is reversed to increase or decrease in a half-period Td2 and generating a count, an electric discharge counter 45 counting a number of electric discharge generated in a predetermined period Td1, and an interval controller 48 generating a position command or a speed command for driving the motor 7 according to the number of electric discharge.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供一种能够通过控制处理间隔来实现稳定的放电处理以产生预定数量的放电的放电处理装置和方法。 解决方案:该放电处理装置1包括向工具电极E和工件W之间形成的处理间隔施加交流电压的电源装置5,将工具电极E相对移动到工件的电动机7 W和控制装置10.控制装置10包括反转计数器42,计数处理间隔中的交流电压反转的数量,以在半周期Td2中增加或减少并产生计数, 对预定期间Td1中产生的放电次数进行计数的放电计数器45以及根据放电次数生成用于驱动电动机7的位置指令或速度指令的间隔控制器48。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Sinker electric discharge machine jump control device
    • SINKER电动放电机跳闸控制装置
    • JP2006255885A
    • 2006-09-28
    • JP2006077190
    • 2006-03-20
    • Sodick Co Ltd株式会社ソディック
    • KANEKO YUJIYONEDA KOJI
    • B23H1/02B23H7/18B23H7/30G05B19/19
    • B23H7/18G05B2219/42062G05B2219/43036
    • PROBLEM TO BE SOLVED: To provide a sinker electric discharge machine jump control device improving machining efficiency by reciprocating a tool electrode at an appropriate speed irrespective of the size and the shape of the tool electrode, and the size of a working gap.
      SOLUTION: The sinker electric discharge machine jump control device is equipped with a command current generator generating a command current Iqr for a servo motor 17, a velocity generator dividing a locus of a jump stroke into a plurality of segments and generating a command velocity Vr for each of the plurality of segments, a velocity override calculator 52 generating a velocity override Vor according to the command current Iqr, and a command velocity modifying device 26 modifying the command velocity according to the velocity override Vor during the jump stroke.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种沉降式放电机跳跃控制装置,其与工具电极的尺寸和形状以及工作间隙的尺寸无关地以适当的速度往复工具电极来提高加工效率。 解决方案:沉降片放电机跳转控制装置配备有指令电流发生器,其产生用于伺服电动机17的指令电流Iqr,速度发生器将跳跃行程的轨迹划分为多个段并产生命令 速度补偿计算器52根据命令电流Iqr产生速度倍率Vor,以及命令速度修正装置26,其根据跳跃冲程中的速度倍率Vor修正命令速度。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Electric discharge machining machine
    • 电动放料加工机
    • JPS6130323A
    • 1986-02-12
    • JP14687084
    • 1984-07-17
    • Hitachi Seiko Ltd
    • WATANABE YOJI
    • B23H1/02B23H7/18
    • B23H7/18B23H1/024
    • PURPOSE:To prevent the production of an abnormal noise and the drop in the stability and accuracy of electric discharge machining, by providing a circuit which functions to nullify an ascent signal until an electric discharge machining start point is reached, if a short circuit is detected during the descent of an electrode, so as to avoid sharply reversing the movement of the electrode and then moving it up. CONSTITUTION:When a secondary voltage is generated due to sludge residual between an electrode 1 and a workpiece 2, during the descent of the electrode in rapid hunting operation set by a rapid hunting setting circuit 12, a detection circuit 4 detects the generation of the secondary voltage as a short circuit between the electrode and the workpiece so that an ascent signal is sent from a processing voltage setting circuit 5 to a feed direction judgment circuit 7. The circuit 12 then detects the ascent signal, nullifies it, and sends out a signal to the circuit 7 so that the circuit 7 continues to send out a descent signal, thus not changing the direction of the movement of the electrode. At that time, a signal is sent out to a speed changing circuit 8 to keep rapidly moving the electrode 1 until a time set by a hunting non-processing time setting unit 11 elapses. The sending of the signal to the circuit 8 is continued until the electrode 1 reaches an electric discharge machining start point. The movement of the electrode 1 is thus prevented from sharply reversed.
    • 目的:为了防止异常噪音的产生和放电加工的稳定性和精度的下降,通过提供用于消除上升信号的电路,直到达到放电加工开始点,如果检测到短路 在电极的下降期间,以避免电极的运动急剧地反转,然后向上移动。 构成:由于电极1与工件2之间的污泥残留而产生二次电压时,在由快速捕捉设定电路12设定的快速捕捉动作中的电极下降期间,检测电路4检测次级 电压作为电极和工件之间的短路,使得上升信号从处理电压设置电路5发送到馈送方向判断电路7.然后,电路12检测上升信号,使其无效,并发出信号 电路7继续发出下降信号,从而不改变电极的运动方向。 此时,将信号发送到变速电路8,以使电极1保持快速移动,直到由寻常的未处理时间设定单元11设定的时间过去。 继续向电路8发送信号,直到电极1到达放电加工开始点。 因此防止电极1的移动急剧反转。