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1. 发明专利

JP2012035363A Wire-cut electric discharge machine including workpiece measuring function 有权
标题翻译：线切割放电机，包括工件测量功能
公开(公告)号：JP2012035363A
公开(公告)日：2012-02-23
申请号：JP2010177389
申请日：2010-08-06
申请人： Fanuc Ltd , ファナック株式会社
发明人： ABE HIROYUKI , SUZUKI KOJI , TAKAYAMA YUJI
IPC分类号： B23H7/02
CPC分类号： B23H7/065 , B23H2500/20
摘要： PROBLEM TO BE SOLVED: To measure a shape of a machined workpiece by using a machining program.SOLUTION: A code 200 shows a machining path, and a code 210 shows a moving path of a wire electrode 1 added with offset amount by an offset command. Codes 201, 202 and 203 show a relatively moving direction of the wire electrode 1 in relation to the workpiece 2 when a program block middle point position is made as a measuring point, and the relatively moving direction of the wire electrode 1 in relation to the workpiece 2 during a measuring operation time has a relation of an opposite direction to an offset direction by the offset command. Namely, the wire electrode 1 and the workpiece 2 are relatively moved in the opposite direction to the offset command direction to bring the wire electrode 1 into contact with the workpiece 2 from a state of the wire electrode 1 moved in a direction away from the workpiece 2 by the offset command. In a numerical control device, an end face of the workpiece 2 is detected based on positional information on each axis obtained by the numerical control device when the wire electrode 1 comes in contact with the workpiece 2.
摘要翻译：要解决的问题：通过使用加工程序来测量加工的工件的形状。代码200表示加工路径，代码210表示通过偏移指令添加了偏移量的线电极1的移动路径。代码201,202和203示出了当将程序块中点位置作为测量点时线电极1相对于工件2的相对移动的方向，并且线电极1相对于在测量操作时间期间，工件2具有与偏移指令相对于偏移方向的相反方向的关系。也就是说，线电极1和工件2沿与偏移指令方向相反的方向相对移动，以使线电极1从线电极1沿远离工件的方向移动的状态与工件2接触 2由偏移指令。在数控装置中，当线电极1与工件2接触时，基于由数控装置获得的各轴的位置信息来检测工件2的端面。（C）2012年，JPO＆INPIT

2. 发明专利

JP2007268631A Wire electrode supply device of wire cut electric discharge machine 审中-公开
标题翻译：线切割电动放电机的电线供电装置
公开(公告)号：JP2007268631A
公开(公告)日：2007-10-18
申请号：JP2006094938
申请日：2006-03-30
申请人： Fanuc Ltd , ファナック株式会社
发明人： KITA YUKI , TAKAYAMA YUJI , TAMURA YOSHIAKI
IPC分类号： B23H7/10
CPC分类号： B23H7/104 , B23H7/105
摘要： PROBLEM TO BE SOLVED: To provide a wire electrode supply device capable of dispensing with a tension detector for a wire electrode, preventing the slack and breakage of a wire electrode even in the case of using a high-weight wire bobbin, and retaining fixed tension.
SOLUTION: A running block 8 is disposed between the wire bobbin 2 and a brake roller 4 driven by a torque motor 3. The wire electrode 1 is supplied from the wire bobbin 2 and taken up by take-up rollers 7a, 7b through the running block 8, a brake roller 4, and a machining area up to a workpiece 15. When the feeding speed of the wire electrode is switched from high speed to low speed, the wire electrode between the wire bobbin 2 and the brake roller 4 is prevented from being slackened due to the lowering of the running block 8. When the feeding speed is switched from low speed to high speed, back tension by the torque motor 3 is decreased for a predetermined time. The tension of the wire electrode is lowered to prevent breakage. Further, the running block 8 is lowered and the wire bobbin 2 is rotated in the feeding direction to accelerate following-up the feed speed. Even in the case of the high-weight wire bobbin, the breakage of the wire electrode can be prevented.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够分配用于线电极的张力检测器的线电极供给装置，即使在使用高重量线架的情况下也能防止线电极的松弛和断裂，并且保持固定张力。解决方案：运行块8设置在线架2和由转矩电动机3驱动的制动辊4之间。线电极1从线架2供应并被卷取辊7a，7b吸收通过运行块8，制动辊4以及直到工件15的加工区域。当线电极的进给速度从高速切换到低速时，线架2和制动辊2之间的线电极 4由于运行块8的降低而被防止松弛。当进给速度从低速切换到高速时，转矩电动机3的反向张力减小预定时间。线电极的张力降低以防止断裂。此外，运行块8下降，线架2沿进给方向旋转以加速跟进进给速度。即使在高重量线轴的情况下，也可以防止线电极的断裂。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2005211990A Wire-cut electric discharge machine 审中-公开
标题翻译：电线切断电机
公开(公告)号：JP2005211990A
公开(公告)日：2005-08-11
申请号：JP2004017784
申请日：2004-01-27
申请人： Fanuc Ltd , ファナック株式会社
发明人： TAKAYAMA YUJI , ARAKAWA YASUO
IPC分类号： B23H7/02 , B23H11/00
CPC分类号： B23H11/00 , B23H7/02
摘要： PROBLEM TO BE SOLVED: To smoothly take out the cut-out portion of a workpiece above the workpiece by horizontally holding the cut-out portion of the workpiece so as not to tilt its posture.
SOLUTION: A taking-out head 4 is provided in order to take-out the cut-out portion of the workpiece from the body of the workpiece by holding the cut-out portion. The taking-out head 4 has an attracting means composed of a plurality of permanent magnets 5 for attracting the cut-out portion of the workpiece, and a member 4a for preventing the movement of the workpiece. Sliding mechanisms 6 are provided so as to independently protrude and withdraw the respective permanent magnets from the member for preventing the movement of the workpiece. Further, a means is provided in order to select one or a plurality of permanent magnets only, which are necessary for attracting the cut-out portion only of the workpiece in accordance with its shape. The cut-out portion of the workpiece is held by means of the selected one or a plurality of permanent magnets at one or a plurality of points, and then taken out from the body of the workpiece while horizontally keeping the posture of the cut-out portion of the workpiece.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过水平地保持工件的切口部分以便不使其姿态倾斜来平滑地取出工件上方的切口部分。解决方案：为了通过保持切口部分从工件的主体取出工件的切口部分，设置有取出头4。取出头4具有由用于吸引工件的切口部的多个永久磁铁5构成的吸引装置和用于防止工件移动的部件4a。提供滑动机构6，以便从构件独立地突出和退出各个永磁体，以防止工件的移动。此外，为了选择仅根据其形状吸引工件的切出部分所必需的一个或多个永磁体，提供了一种装置。通过所选择的一个或多个永磁体在一个或多个点处保持工件的切口部分，然后从工件的主体中取出，同时水平地保持切口的姿势工件的一部分。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2013226612A Contact detection apparatus for wire electrical discharge machine with capability to vary applied gap voltage 有权
标题翻译：具有适应性差压电压的电力放电机接点检测装置
公开(公告)号：JP2013226612A
公开(公告)日：2013-11-07
申请号：JP2012099095
申请日：2012-04-24
申请人： Fanuc Ltd , ファナック株式会社
发明人： MATSUNAGA MICHIAKI , TAKAYAMA YUJI , KAWAHARA AKIYOSHI
IPC分类号： B23H7/02
CPC分类号： B23H1/02 , B23H7/04 , B23H7/18 , B23H2500/20
摘要： PROBLEM TO BE SOLVED: To provide a contact detection apparatus capable of stable contact detection using an appropriate voltage value for each workpiece with a voltage value of a voltage pulse to be variable.SOLUTION: A contact detection apparatus includes DC voltage sources 31 and 13, a resistor 33, switches 12, 34 and 35, and a comparator 14. The switch 12 is closed when contact is detected, and the switch 34 and the switch 35 are changed over by control of a numerical control device 6, whereby a voltage value of a voltage pulse applied to a gap formed between a wire electrode 1 and a workpiece 2 becomes variable. When the workpiece 2 with a surface of the workpiece 2 not roughened is to be worked, the voltage value is set to a lower voltage, and when the workpiece 2 with a roughened surface or the workpiece 2 of a low conductivity material is to be worked, the voltage value is set to a higher voltage. Thus, the workpiece easy to detect can be detected with reduced damage on an end surface, and even the workpiece difficult to detect with a low voltage can be stably detected at the end surface thereof.
摘要翻译：要解决的问题：提供一种接触检测装置，其能够对每个工件使用适当的电压值进行稳定的接触检测，其中电压脉冲的电压值可变。解决方案：接触检测装置包括直流电压源31和13，电阻器33，开关12,34和35以及比较器14.当检测到接触时，开关12闭合，并且通过数控装置6的控制来切换开关34和开关35，由此电压值施加到形成在线电极1和工件2之间的间隙的电压脉冲变为可变的。当工件2未粗糙化的工件2被加工时，将电压值设定为较低的电压，并且当具有粗糙表面的工件2或低导电性材料的工件2被加工时，电压值被设定为较高的电压。因此，可以在端面的损伤较小的情况下检测出易于检测的工件，能够在其端面稳定地检测到即使难以用低电压检测的工件。

5. 发明专利

JP2013111691A Wire electric discharge machining method, and wire electric discharge machine for machining tool that uses ultra-hard material and is mounted to rotating shaft 有权
标题翻译：电力放电加工方法和用于加工工具的电力放电机，使用超硬材料并安装在旋转轴上
公开(公告)号：JP2013111691A
公开(公告)日：2013-06-10
申请号：JP2011259487
申请日：2011-11-28
申请人： Fanuc Ltd , ファナック株式会社
发明人： ARAKAWA YASUO , TAKAYAMA YUJI
IPC分类号： B23H7/02 , B23Q15/00 , B23Q15/24
CPC分类号： B23H7/06 , B23H7/02 , B23H7/20 , B23H9/00 , B23H9/08 , G01B7/008 , G05B2219/37444 , G05B2219/37452
摘要： PROBLEM TO BE SOLVED: To provide a wire electric discharge machining method and a wire electric discharge machine, for highly precisely and easily machining a cutting tool with ultra-hard material fixed thereto.SOLUTION: A touch sensor 3 mounted to an upper wire guide 14 is positioned at a measurement position by driving an X axis and a Y axis for horizontally moving the touch sensor 3 relatively to a tool to be machined having a PCD (polycrystalline diamond) tip 101 fixed to a tool body 100 according to a measurement program generated based upon a machining program (a). A front end 3b of a detector 3a is lowered to a rotation center height of a rotary shaft by movement of a vertically moving Z axis, and positioned (b). The rotary shaft 22 is rotated in a direction in which a rake face of the cutting tool comes into contact with the front end 3b (c). Rotary shaft coordinate information at the point of time of the contact is read in a control device 50, the machining program is generated again based upon data on rotary shaft coordinates acquired according to the measurement program, and the cutting tool is subjected to discharge machining at the position where the rake face position is measured.
摘要翻译：要解决的问题：为了高精度地和容易地加工固定有超硬材料的切削工具，提供线材放电加工方法和线材放电加工机。解决方案：通过驱动X轴和Y轴将安装到上线引导件14的触摸传感器3定位在测量位置，用于使触摸传感器3相对于具有PCD（多晶体）的待加工刀具相对于水平移动金刚石）尖端101根据基于加工程序（a）生成的测量程序固定到工具主体100。检测器3a的前端3b通过垂直移动的Z轴的移动而下降到旋转轴的旋转中心高度，并定位（b）。旋转轴22沿切削工具的前刀面与前端3b（c）接触的方向旋转。在控制装置50中读取接触点的旋转轴坐标信息，基于根据测量程序获取的旋转轴坐标的数据再次生成加工程序，并且切削工具进行放电加工测量前刀面位置的位置。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2011083866A Wire cut discharge machine and finishing method using the same 有权
标题翻译：电线切割机和使用该方法的整理方法
公开(公告)号：JP2011083866A
公开(公告)日：2011-04-28
申请号：JP2009239346
申请日：2009-10-16
申请人： Fanuc Ltd , ファナック株式会社
发明人： ARAKAWA YASUO , TAKAYAMA YUJI
IPC分类号： B23H7/02 , B23H7/16
CPC分类号： B23H7/04 , B23H7/06
摘要： PROBLEM TO BE SOLVED: To provide a wire cut discharge machine having a function for suppressing the generation of a discharge flaw in an approach or an escape, which can prevent a discharge in the approach or the escape and can restrain the discharge flaw from being formed on a surface of a workpiece.
SOLUTION: One block of a machining block is read to decide whether or not the read block means an end of a program. When the read block means the end of the program, a process is finished. When the read block does not means the end, a code of the read block is taken out (SA100 to SA102). It is decided whether the code of the taken out block is a program block of an approach part or an escape part. When a discharge OFF command is output, a dry run signal is turned ON to execute one block. When the discharge OFF command is not outputted, it is decided whether or not the dry run signal is turned ON. When the dry run signal is turned ON, the dry run signal is turned OFF to execute one block (SA103 to SA107) and continue the process until a machining program is finished.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有抑制接近或逃生中的放电缺陷的产生的功能的线切割放电机，其能够防止接近或逃逸中的放电，并且可以抑制放电缺陷不被形成在工件的表面上。
解决方案：读取加工块的一个块，以决定读取块是否表示程序结束。当读取块意味着程序的结束时，处理结束。当读取块不意味着结束时，取出读取块的代码（SA100到SA102）。确定取出的块的代码是接近部分的程序块还是逃逸部分。当输出放电OFF命令时，干运行信号被接通以执行一个程序段。当不输出放电关断指令时，判定干运行信号是否接通。当干运行信号打开时，干运行信号被关闭以执行一个程序段（SA103到SA107），并继续进程，直到加工程序完成。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2008055539A Wire electrode supply device for wire cut electric discharge machine 审中-公开
标题翻译：用于电线切断电机的电线电极装置
公开(公告)号：JP2008055539A
公开(公告)日：2008-03-13
申请号：JP2006234031
申请日：2006-08-30
申请人： Fanuc Ltd , ファナック株式会社
发明人： KITA YUKI , TAKAYAMA YUJI , MAKINO YOSHINORI
IPC分类号： B23H7/10
CPC分类号： B23H7/104
摘要： PROBLEM TO BE SOLVED: To prevent a wire electrode from departing from a wire traveling path using a simple configuration.
SOLUTION: A wire bobbin 2 is driven in the reverse direction of a wire feed direction by a torque motor 3 to apply tension to the wire electrode 1, and a velocity detector 4 that detects a rotation velocity of the wire bobbin 2 is provided. The wire electrode 1 is laid along the wire traveling path that includes a guide roller 14, a brake roller 5, upper and lower guides 8 and 9, and wire take-up rollers 10a and 10b. When the velocity detected by the velocity detector 4 meets or exceeds a predetermined velocity, the output torque of the torque motor 3 is increased so that an inertial force of the wire bobbin 2 causes the wire electrode 1 to be slackened, thus preventing the wire electrode 1 from departing from the wire traveling path. Only the provision of the velocity detector 4 can easily prevent the wire electrode 1 from departing from the wire traveling path, and the work of laying the wire is made easy.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了防止线电极使用简单的结构离开导线行进路径。解决方案：线架2通过转矩电动机3沿着送丝方向的相反方向被驱动以对线电极1施加张力，并且检测线架2的旋转速度的速度检测器4是提供。线电极1沿着包括引导辊14，制动辊5，上下引导件8和9以及线卷取辊10a和10b的线路行进路径铺设。当由速度检测器4检测到的速度达到或超过预定速度时，转矩电动机3的输出转矩增加，使得线架2的惯性力使线电极1松弛，从而防止线电极 1从电线行进路径出发。只有速度检测器4的设置能够容易地防止线电极1从电线行进路径脱离，并且使电线敷设的工作变得容易。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2006095646A Wire-cut electric discharge machine 有权
标题翻译：电线切断电机
公开(公告)号：JP2006095646A
公开(公告)日：2006-04-13
申请号：JP2004285142
申请日：2004-09-29
申请人： Fanuc Ltd , ファナック株式会社
发明人： KITA YUKI , TAKAYAMA YUJI , MAKINO YOSHINORI
IPC分类号： B23H7/10
CPC分类号： B23H7/107
摘要： PROBLEM TO BE SOLVED: To suppress the occurrence of minute electric discharge, and to reduce unnecessary loads on a wire electrode and a wire-cut electric discharge machine by improving the contact condition of a wire electrode with a feeder without deforming the electrode, and further to easily carry out the automatic connection of the wire by easily executing the withdrawal from the path of the wire.
SOLUTION: A wire-cut electric discharge machine makes the wire electrode slide on the running path of the wire electrode, and has a feeder for supplying the electric power necessary for the electric discharge machining to the wire electrode. The wire-cut electric discharge machine comprises a movable element which is arranged on the opposite side across the running path of the wire electrode from the feeder and is movable in the direction for approaching the feeder or in the direction for separating from the feeder. By this configuration, the wire electrode always can be held in the contact with the feeder without deforming the wire electrode.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了抑制微小放电的发生，并且通过改善线电极与馈电线的接触状态而减少线电极和线切割放电机器的不必要的负载而不使电极变形并且进一步通过容易地执行从线路的退出而容易地执行线的自动连接。解决方案：线切割放电机使线电极在线电极的运行路径上滑动，并具有用于向线电极提供放电加工所需的电力的馈线。线切割放电机包括可移动元件，该可移动元件布置在与供电器相对的线电极的行进路径的相对侧上，并且可沿接近馈送器的方向或者与馈送器分离的方向移动。通过这种构造，线电极总是可以保持与馈电器的接触而不使线电极变形。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2011062800A Wire cut electric discharge machine controlling supply amount of working liquid into working tank and performing water temperature-constant control 审中-公开
标题翻译：电线切断电机控制工作液体供应量到工作罐中，并执行水温恒定控制
公开(公告)号：JP2011062800A
公开(公告)日：2011-03-31
申请号：JP2009217649
申请日：2009-09-18
申请人： Fanuc Ltd , ファナック株式会社
发明人： TAKAYAMA YUJI , ISHIHARA MITSUTSUGU , NISHIKAWA AKIRA
IPC分类号： B23H7/02 , B23H7/36
摘要： PROBLEM TO BE SOLVED: To provide a wire cut electric discharge machine supplying a working liquid whose temperature is controlled from a clear water tank or a waste water tank to the working tank and controlling the water temperature of the working liquid in the working tank constant.
SOLUTION: The water temperature of the working liquid in the working tank is detected by a temperature sensor, and a detected water temperature value Td is obtained (SA1). A difference value ΔT of the detected water temperature value Td and a reference water temperature value Tth preset inside a control device is obtained (SA2). Whether the difference value ΔT is greater than an allowable difference value Δt(≥0) is determined, and when the difference value ΔT is greater than the allowable difference value Δt, a step SA4 is executed, whereas when the difference value ΔT is the allowable difference value Δt or below, a step SA5 is executed (SA3). A working liquid storing pump is driven so that the number of revolution of the working liquid storing pump is proportional to the difference value ΔT, and the process of this control cycle is finished (SA4). Drive of the working liquid storing pump is stopped, and the process of this control cycle is finished (SA5).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种线切割放电机，其将温度从透明水箱或废水箱控制的工作液体供给到工作罐，并控制工作液体中的工作液体的水温坦克常数。
解决方案：通过温度传感器检测工作液体中的工作液体的水温，得到检测到的水温值Td（SA1）。获得检测水温值Td的差值ΔT和控制装置内部的基准水温度值Tth（SA2）。确定差值ΔT是否大于容许差值Δt（≥0），并且当差值ΔT大于允许差值Δt时，执行步骤SA4，而当差值ΔT是允许值ΔT 差值Δt以下，执行步骤SA5（SA3）。驱动工作液体储存泵，使得工作液体储存泵的转数与差值ΔT成比例，并且该控制循环的处理结束（SA4）。停止工作储液泵的驱动，该控制循环的处理结束（SA5）。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2005313283A Wire cut electric discharge machine 审中-公开
标题翻译：电线切断电机
公开(公告)号：JP2005313283A
公开(公告)日：2005-11-10
申请号：JP2004134200
申请日：2004-04-28
申请人： Fanuc Ltd , ファナック株式会社
发明人： KITA YUKI , TAKAYAMA YUJI , MAKINO YOSHINORI
IPC分类号： B23H7/10
CPC分类号： B23H7/104 , B23H7/10
摘要： PROBLEM TO BE SOLVED: To effectively restrict wire tension fluctuation generated on the wire supply side from a brake roller.
SOLUTION: This device is provided with a run system to run a wire 10 in the order of a wire supply bobbin 11, the brake roller 12, wire guides 14 and 15, and wire take-up devices 16 and 17, and a device 2 to reduce fluctuation of tension of the wire in the run system between the wire supply bobbin 11 and the brake roller 12. Since the wire tension fluctuation reducing device 2 is provided between the wire supply bobbin 11 and the brake roller 12, fluctuation of tension of the wire 10 generated on the supply side of the wire 10 from the brake roller 12 is effectively restricted.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：有效地限制在制动辊上在电线供给侧产生的线张力波动。
解决方案：该装置设有运行系统，以供线架11，制动辊12，导线器14和15以及电线牵引装置16和17的顺序运行导线10，以及装置2，以减少供线筒管11和制动辊12之间的运行系统中的丝的张力波动。由于线张力波动减小装置2设置在供线筒11和制动辊12之间，在制动辊12的电线10的供给侧产生的电线10的张力被有效地限制。版权所有（C）2006，JPO＆NCIPI

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