公开(公告)号：US4829151A

公开(公告)日：1989-05-09

申请号：US83755

申请日：1987-08-07

申请人： Rene Buchler

发明人： Rene Buchler

IPC分类号： B23H7/02 ,  B23H7/06 ,  B23H7/26

CPC分类号： B23H7/26 ,  B23H7/065 ,  B23H2500/20

摘要： Device for the precise determination of the position of an electric discharge wire (18) in an electric discharge machining unit as a basis for the setting, control or readjustment of the electric discharge wire position with a view to a work piece machining process, with at least one contact-tracer element (24; 26; 38; 44; 46) which by means of a machining table movement is displaceable in contact with the electric discharge wire (18), whereby there is provided a tracer unit (2) equipped with at least one tracer element (24; 26; 38; 44; 46) which tracer unit with a defined position relative to a work piece (6) is attached to the work piece in a separable manner.

摘要翻译： 用于在放电加工单元中精确确定放电线（18）的位置的装置，作为放电线位置的设定，控制或再调整的基础，以便在工件加工过程中 通过加工台移动的至少一个接触跟踪元件（24; 26; 38; 44; 46）能够与放电线（18）接触地位移，由此设置有配备有 具有相对于工件（6）的限定位置的示踪单元的至少一个示踪元件（24; 26; 38; 44; 46）以可分离的方式附接到工件。

公开(公告)号：US4806720A

公开(公告)日：1989-02-21

申请号：US71269

申请日：1987-09-21

申请人： Haruki Obara

发明人： Haruki Obara

IPC分类号： B23H7/10 ,  B23H7/02 ,  B23H7/06 ,  B23H7/04

CPC分类号： B23H7/065

摘要： A method for wire electrode type electrical discharge machining and equipment employable therefor realize high accuracy in corner machining, such machining being conducted in combination with taper machining. The tension to be applied to a wire electrode is controlled in proportion to a change in Young's modulus of the wire electrode in addition to decreasing the machining current, whenever a corner machining and a taper machining are conducted in combination. The equipment for wire electrode type electrical discharge machining includes a memory for memorizing information indicating the relationship between the machining current and the amount of tension which is optimum to the machining current, a monitor for monitoring the electric discharge machining current, an optimum tension calculating device for calculating the tension optimum to the monitored machining current, and a tension control device for controlling the tension of the wire electrode in response to the calculated optimum tension.

公开(公告)号：US4713517A

公开(公告)日：1987-12-15

申请号：US807038

申请日：1985-12-04

申请人： Mitsuo Kinoshita

发明人： Mitsuo Kinoshita

IPC分类号： B23H3/00 ,  B23H7/06 ,  B23Q17/00 ,  G05B19/4069 ,  G05B19/415

CPC分类号： B23H7/065 ,  G05B19/4069 ,  B23H3/00 ,  G05B2219/35331 ,  G05B2219/45221

摘要： A cut contour display method in a wire electric discharge machine for subjecting a workpiece to taper cutting by moving a workpiece relative to a wire electrode and moving a wire tensioning guide horizontally has a first step of entering a programmed path (WDP) lying on the lower surface of the workpiece, workpiece thickness, data including a taper angle or a vector indicating a positional offset between the upper and lower surfaces of the workpiece, and data specifying a number of cross-sectional contours. A second step includes obtaining a wire electrode path (WUP) on the upper surface of the workpiece, which is not a programmed surface, by using the programmed path (WDP), workpiece thickness, and the taper angle or vector indicative of the positional offset. A third step includes obtaining coordinate values of points on each cross-sectional contour at an end portion of each block by using data indicative of the wire electrode paths on the upper and lower surfaces of the workpiece and the number n of cross sections. A fourth step includes displaying, on a display unit, the wire electrode paths on the upper and lower surfaces of the workpiece, as well as each cross-sectional contour of the taper-cut surface, by using the data indicative of the wire electrode paths on the upper and lower surfaces of the workpiece and coordinate values of the points on each cross-sectional contour at the end portion of each block.

摘要翻译： PCT No.PCT / JP85 / 00169 Sec。 371日期1985年12月4日第 102（e）1985年12月4日PCT PCT。 出版物WO85 / 04610 日期：1985年10月24日。在线放电机中的切割轮廓显示方法，用于使工件相对于线电极移动工件并使水平移动线张紧引导件对工件进行锥形切割具有进入编程路径的第一步骤 （WDP），工件厚度，包括锥角的数据或指示工件的上表面和下表面之间的位置偏移的向量，以及指定多个横截面轮廓的数据。 第二步包括通过使用编程路径（WDP），工件厚度以及指示位置偏移的锥角或矢量来获得在工件的上表面上不是编程表面的线电极路径（WUP） 。 第三步骤包括通过使用指示工件的上表面和下表面上的线电极路径的数据和横截面的数量n来获得在每个块的端部处的每个横截面轮廓上的点的坐标值。 第四步包括通过使用表示线电极路径的数据在显示单元上显示工件的上表面和下表面上的线电极路径以及锥形切割表面的每个横截面轮廓 在工件的上表面和下表面上，并且在每个块的端部处的每个横截面轮廓上的点的坐标值。

公开(公告)号：US4703143A

公开(公告)日：1987-10-27

申请号：US811368

申请日：1985-12-20

申请人： Yasumi Okubo ,  Asami Morino

发明人： Yasumi Okubo ,  Asami Morino

IPC分类号： B23H7/06 ,  G05B19/401 ,  G05B19/41 ,  G05D15/00

CPC分类号： B23H7/065 ,  G05B19/4015 ,  G05B19/41 ,  G05B2219/37612 ,  G05B2219/41123 ,  G05B2219/45221 ,  G05B2219/49164

摘要： A machining control method for an electrical discharge machine compensates for the lagging of the wire electrode as the electrode is advanced from a straight line portion to a change of direction portion of the outline to be machined. The wire electrode is advanced from the straight line portion of the outline until it reaches the change of direction point of the outline and is then halted until the wire electrode lag is corrected. During the halt, machining takes place under a different set of conditions. When the lag is corrected, the wire electrode is advanced along the change of direction portion under a third set of machining conditions. When the wire electrode reaches another straight line portion, the outline machining of the workpiece is resumed under the first set of machining conditions. Also disclosed is a method of controlling the positioning of a workpiece by trial positioning a large number of workpieces having a variety of weights under a variety of load conditions of the control motor. The positioning accuracy of the trial positionings are measured and a table of correction values for positioning according to the desired positioning is calculated and stored. When positioning a workpiece to be machined, the weight and motor load are compared to the stored correction values, a correction value is determined, and the workpiece is positioned using the determined correction value.

摘要翻译： 放电机械的加工控制方法补偿当电极从直线部分前进到待加工轮廓的方向部分的变化时线电极的滞后。 线电极从轮廓的直线部分前进直到其到达轮廓的方向点的改变，然后停止直到线电极滞后被校正。 在停止期间，加工在不同的条件下进行。 当滞后被校正时，线电极在第三组加工条件下沿着方向部分的改变而前进。 当线电极到达另一条直线部分时，在第一组加工条件下恢复工件的轮廓加工。 还公开了一种通过在控制电动机的各种负载条件下试验定位具有各种重量的多个工件的方法来控制工件的定位。 测量试验定位的定位精度，并计算并存储根据所需定位的定位校正值表。 当定位要加工的工件时，将重量和电机负载与存储的校正值进行比较，确定校正值，并使用确定的校正值来定位工件。

公开(公告)号：US4700314A

公开(公告)日：1987-10-13

申请号：US711580

申请日：1985-03-06

申请人： Mitsuo Kinoshita

发明人： Mitsuo Kinoshita

IPC分类号： B23H7/06 ,  B23H1/02

CPC分类号： B23H7/065

摘要： A taper cutting method for inserting a cut surface having a frustoconical shape between first and second taper-cut surfaces is adapted to cut a corner contour in which first and second circular arcs are smoothly connected to respective wire paths on upper and lower workpiece surfaces of a first tapered surface, and in which there is a smooth connection from end points of the first and second circular arcs to respective wire paths on the upper and lower workpiece surfaces of a second tapered surface.

摘要翻译： PCT No.PCT / JP84 / 00346 Sec。 371日期：1985年3月6日 102（e）1985年3月6日PCT PCT。1984年7月6日PCT公布。 第WO85 / 00310号公报 日期：1985年1月31日。一种用于在第一和第二锥形切割表面之间插入具有截头圆锥形状的切割表面的锥形切割方法适于切割角部轮廓，其中第一和第二圆弧平滑地连接到相应的线路上 第一锥形表面的上和下工件表面，并且其中从第一和第二圆弧的端点到第二锥形表面的上工件表面和下工件表面上的相应线路具有平滑的连接。

公开(公告)号：US4649252A

公开(公告)日：1987-03-10

申请号：US529225

申请日：1983-09-01

申请人： Haruki Obara

发明人： Haruki Obara

IPC分类号： B23H7/04 ,  B23H7/06

CPC分类号： B23H7/04 ,  B23H2600/12

摘要： A wire-cut electric discharge machining system is provided with a high-current, short-pulse discharge circuit for producing a high-current, short-pulse discharge between a wire and a workpiece, a low-current, pulse discharge circuit for producing a low-current, pulse discharge between the wire and the workpiece, and a control unit to alternately use both discharge circuits and to control the relative movement of the wire with respect to the workpiece. Main cutting along a predetermined path by the high-current, short-pulse discharge circuit is followed by at least one second cutting along a path adjacent the main cutting path by the low-current, pulse discharge circuit for each predetermined section, thereby performing electric discharge machining of the workpiece at an overall reduction of time.

摘要翻译： 线切割放电加工系统设有大电流短脉冲放电电路，用于在线和工件之间产生高电流，短脉冲放电，用于产生线的低电流脉冲放电电路 电线和工件之间的低电流，脉冲放电，以及交替使用两个放电电路并控制电线相对于工件的相对运动的控制单元。 通过大电流短脉冲放电电路沿预定路径的主切割之后，通过每个预定部分的低电流脉冲放电电路沿着与主切割路径相邻的路径进行至少一次第二次切割，由此执行电 在整个时间内减少工件的放电加工。

公开(公告)号：US4644124A

公开(公告)日：1987-02-17

申请号：US691592

申请日：1985-01-15

申请人： Toshimitsu Hori ,  Mitsutaka Sumita

发明人： Toshimitsu Hori ,  Mitsutaka Sumita

IPC分类号： B23H7/06 ,  G06F15/46

CPC分类号： B23H7/065

摘要： A wire electrode type electrical discharge machining method in which a wire electrode is controlled by an NC device to automatically move along predetermined loci while forming an angle with respect to a workpiece which is being machined, wherein, even when a taper offset value occurring prior to an intersection of program loci is different from that after the intersection, the program can be readily executed. Wire electrode movement instruction codes and wire electrode inclination instruction codes are inputted to an NC device. The NC device then determines whether or not, with respect to the wire electrode inclination instruction codes, a wire electrode inclination before a corner is different from that after the corner. If the inclinations are different, a plurality of movement instructions are calculated and inserted between the movement instructions forming the corner. The wire electrode is then moved at the corner in accordance with the plurality of movement instructions thus calculated.

摘要翻译： 一种线电极型放电加工方法，其中线电极由NC装置控制，以在相对于被加工的工件形成一定角度的同时沿预定的轨迹自动移动，其中即使当在 程序轨迹与交叉路口不同，程序可以方便地执行。 线电极移动指令代码和线电极倾斜指令代码被输入到NC设备。 然后，NC设备确定相对于线电极倾斜指令代码，在拐角与拐角之后的线电极倾斜度是否相同。 如果倾斜度不同，则计算多个运动指令并将其插入到形成拐角的运动指令之间。 然后根据如此计算的多个移动指令，在拐角处移动线电极。

公开(公告)号：US4629856A

公开(公告)日：1986-12-16

申请号：US549187

申请日：1983-11-04

申请人： Kiyoshi Inoue

发明人： Kiyoshi Inoue

IPC分类号： B23H7/10 ,  B23H7/06 ,  B23H7/36

CPC分类号： B23H7/105

摘要： A wire-cut EDM method and apparatus in which an electrode wire traveling between a pair of wire-positioning guide members is laterally advanced, generally tangentially along a workpiece contour disposed therebetween to electro-erosively cut a precision contour in the workpiece contour with a depth of cut at most equal to the diameter of the wire. The fluctuating machining pressure, induced by the gap erosive electrical discharges and fluid injection, tends to undulate the traveling wire in the open space flanking the contour being cut and to misalign the axial position thereof away from a prescribed path of advance in the cutting zone. A rotary mechanism, rotatable about its axis of rotation coinciding with the straight-line path established for the traveling wire axis between the wire positioning guide members, carries a wire-backing support member disposed in the cutting zone and having wire supporting surfaces parallel to that straight-line path to hold the traveling wire against the machining pressure, and is rotated to orient the wire-backing support member so as to oppose those surfaces with the area of contour being cut and to avoid a collision of the support member with the workpiece.

摘要翻译： 一种线切割EDM方法和装置，其中在一对线定位引导构件之间行进的电极线横向前进，大体切向地沿着设置在其间的工件轮廓切割，以在工件轮廓上以深度电蚀刻地切割精密轮廓 最多等于电线直径。 由间隙腐蚀性放电和流体注入引起的波动的加工压力趋向于在被切割的轮廓侧面的开放空间中使行进线波动，并使其轴向位置偏离远离切割区域中的规定的前进路径。 旋转机构可绕其旋转轴线旋转，与在线定位引导构件之间的行进线轴线所建立的直线路径相重合，承载设置在切割区域中的线材背衬支撑构件，并具有平行于该切割区域的线材支撑表面 直线路径，以保持移动线抵抗加工压力，并且被旋转以使线背支撑构件定向，以与轮廓面被切割的区域相对，并且避免支撑构件与工件的碰撞 。

公开(公告)号：US4605886A

公开(公告)日：1986-08-12

申请号：US646623

申请日：1984-08-31

申请人： Kiyoshi Inoue

发明人： Kiyoshi Inoue

IPC分类号： B23H7/06 ,  G05B19/4061 ,  G05B23/02

CPC分类号： B23H7/06 ,  G05B19/4061 ,  G05B2219/35287 ,  G05B2219/50197

摘要： A feedpath deviation preventive NC path-controlled machining system in which a plotting unit is used, in a preliminary operation in advance of a machining operation, to produce on a record medium a continuous plot equivalent to a programmed machining feed path to be followed by relative displacement between the tool member and the workpiece during the machining operation. In the latter, a sensing head is disposed in sensing relationship with the plotted record medium for relative displacement to the latter jointly with the relative displacement between the tool member and the workpiece. The sensing head continues to trace the continuous plot as long as the actual machining relative displacement proceeds along the programmed machining path to produce an OK signal. An output circuit unit is provided to respond to any disappearance of the OK signal representing a deviation of the actual displacement from the programmed path for providing a warning signal and/or a control signal which acts to deactuate the machining-feed drive system.

摘要翻译： 一种进给路径偏差预防NC路径控制加工系统，其中使用绘图单元，在加工操作之前的预备操作中，在记录介质上产生等效于编程的加工进给路径的连续图形 在加工操作期间工具构件与工件之间的位移。 在后者中，感测头设置成与所绘制的记录介质感测关系，用于与工具构件和工件之间的相对位移联合地与后者相对移位。 只要实际加工相对位移沿编程的加工路径进行，传感头就会继续追踪连续图，以产生一个OK信号。 提供输出电路单元以响应表示实际位移与编程路径偏离的OK信号的任何消失，以提供警告信号和/或用于停止加工进给驱动系统的控制信号。

公开(公告)号：US4544819A

公开(公告)日：1985-10-01

申请号：US624806

申请日：1984-06-27

申请人： Yoshiyuki Nomura ,  Kanemasa Okuda ,  Hisao Ishii

发明人： Yoshiyuki Nomura ,  Kanemasa Okuda ,  Hisao Ishii

IPC分类号： B23H7/02 ,  B23H7/06 ,  B23P1/08

CPC分类号： B23H7/06

摘要： When cutting workpiece into a desired number of closed loop configurations by means of a wire-cut, electric discharge machine provided with an automatic wire feed mechanism, electric discharge machining is started from a machining start hole made in the workpiece corresponding to each closed loop configuration and is performed to a point where the electric discharge machining operation is stopped, thus a part of the closed loop configuration is left uncut. After fixing at least one portion of each closed loop configuration to the workpiece and inserting the wire electrode into the machining start hole by the automatic wire feed mechanism, the electric discharge machining operation is resumed to cut off the remaining uncut part. In the case of the wire electrode breaking during the electric discharge machining operation, the wire electrode is inserted by the automatic wire feed mechanism into the machining start hole and is moved to the position where it breaks along the route where the machining operation has already been performed, and then the electric discharge machining operation is resumed.

摘要翻译： 当通过具有自动送丝机构的线切割放电机将工件切割成所需数量的闭环配置时，从对应于每个闭环配置的工件中的加工起始孔开始放电加工 并且执行到放电加工操作停止的点，因此一部分闭环配置不被切割。 在将每个闭环构造的至少一部分固定到工件上并且通过自动送丝机构将线电极插入加工起始孔之后，重新开始放电加工操作以切断剩余的未切割部分。 在放电加工操作期间线电极断开的情况下，线电极通过自动送丝机构插入到加工起始孔中，并且移动到沿着加工操作的路线断裂的位置 然后进行放电加工操作。