Method and system for electric discharge machining insulating material or high resistance material
    1.
    发明授权
    Method and system for electric discharge machining insulating material or high resistance material 失效
    放电加工绝缘材料或高电阻材料的方法和系统

    公开(公告)号:US06946615B2

    公开(公告)日:2005-09-20

    申请号:US10472384

    申请日:2002-01-24

    IPC分类号: B23H1/02 B23H9/00

    CPC分类号: B23H1/022 B23H1/02 B23H9/00

    摘要: An electric discharge machine for machining a workpiece (2a) made of insulating material or other materials comprises: a first comparison member (17) for comparing voltage (V) between the electrodes of the electrode (1) and the workpiece (2a) with the first reference voltage (V1) which is set at a value close to electric power source voltage (V0) not higher than electric power source voltage (V0); a second comparison member (18) for comparing voltage (V) between the electrodes with the second reference voltage (V2) which is set at a value lower than the first reference voltage (V1); and a control member (19) for setting a short electric discharge pulse width (TP1) in the case where voltage (V) between the electrodes is lower than the second reference voltage (V2) according to the result of comparison conducted by the second comparison member (18) at a point of time when a predetermined period of time (T0) has passed from the time when voltage (V) between the electrodes becomes lower than the first reference voltage (V1) according to the result of comparison conducted by the first comparison member (17), and for setting a long electric discharge pulse width (TP2) in the case where the voltage between the electrodes is higher than the second reference voltage (V2). This electric discharge machine is capable of stabilizing the machining of the workpiece (2a) made of insulating material or other materials and also capable of enhancing quality of a machined face.

    摘要翻译: 一种用于加工由绝缘材料或其他材料制成的工件(2a)的放电机包括:用于比较电极(1)的电极和工件(2a)之间的电压(V)的第一比较部件(17) 其中第一参考电压(V SUB1)被设置为接近不高于电源电压(V 0)的值 > 0 ); 用于将电极之间的电压(V)与设定在低于第一参考电压(V 1)的值的第二参考电压(V SUB2)进行比较的第二比较部件(18) ); 以及在电极之间的电压(V)低于第二参考电压(V 2)的情况下,用于设定短放电脉冲宽度(T P1 P1)的控制部件(19) 根据由第二比较构件(18)在从电压(V)的时间(T 0> 0)的时刻经过预定时间段(T 0> 0 < 根据由第一比较部件(17)进行的比较的结果,电极之间的V(V)变得低于第一参考电压(V SUB),并且设定长的放电脉冲宽度(T 在电极之间的电压高于第二参考电压(V SUB 2)的情况下,P2 )。 该放电机能够稳定由绝缘材料或其他材料制成的工件(2a)的加工,并且还能够提高加工面的质量。

    Method and system for electric discharge machining insulating material or high resistance material

    公开(公告)号:US20050098541A1

    公开(公告)日:2005-05-12

    申请号:US10472384

    申请日:2002-01-24

    IPC分类号: B23H1/02 B23H9/00 B23K9/00

    CPC分类号: B23H1/022 B23H1/02 B23H9/00

    摘要: An electric discharge machine for machining a workpiece (2a) made of insulating material or other materials comprises: a first comparison member (17) for comparing voltage (V) between the electrodes of the electrode (1) and the workpiece (2a) with the first reference voltage (V1) which is set at a value close to electric power source voltage (V0) not higher than electric power source voltage (V0); a second comparison member (18) for comparing voltage (V) between the electrodes with the second reference voltage (V2) which is set at a value lower than the first reference voltage (V1); and a control member (19) for setting a short electric discharge pulse width (TP1) in the case where voltage (V) between the electrodes is lower than the second reference voltage (V2) according to the result of comparison conducted by the second comparison member (18) at a point of time when a predetermined period of time (T0) has passed from the time when voltage (V) between the electrodes becomes lower than the first reference voltage (V1) according to the result of comparison conducted by the first comparison member (17), and for setting a long electric discharge pulse width (TP2) in the case where the voltage between the electrodes is higher than the second reference voltage (V2). This electric discharge machine is capable of stabilizing the machining of the workpiece (2a) made of insulating material or other materials and also capable of enhancing quality of a machined face.

    Method and device discharging surface treatment
    4.
    发明授权
    Method and device discharging surface treatment 失效
    方法和装置排放表面处理

    公开(公告)号:US06929829B2

    公开(公告)日:2005-08-16

    申请号:US09872421

    申请日:2001-05-31

    CPC分类号: B23H9/008 B23H1/04 B23H1/06

    摘要: Powder of a simple substance or a combination of a plurality of carbides of metals belonging to the IVa, Va and Via families in the Periodic Table is mixed with a ferrous-family metal powder or non-ferrous metal powder having the same composition as the treatment target (2) as a simple substance or a combination of a plurality of metals, and this is compressed and molded, and incompletely sintered to form an electrode (12) serving as a discharge processing electrode; and said device is provided with a switching unit which alters electrical conditions at the time when the base member of the treatment target (2) is directly subjected to a discharging surface treatment and the electrical conditions at the time when a coating film (13) that has been formed is subjected to a discharging surface treatment according to the characteristics of the treatment target material. Thus, a discharge is continuously generated between the sintered electrode (12) and the treatment target (2) so that the coating film (13) is continuously allowed to deposit on the surface of the treatment target (2) by the discharging energy to form a thick film.

    摘要翻译: 元素周期表中IVa,Va和Via族金属的单一物质或多种金属碳化物的组合粉末与具有与处理相同组成的铁族金属粉末或有色金属粉末混合 目标(2)作为单一物质或多种金属的组合,并且被压缩和模制,并且不完全烧结以形成用作放电处理电极的电极(12); 并且所述装置设置有切换单元,其在处理对象物(2)的基底部件直接进行放电表面处理时和电气条件改变电气条件时,涂膜(13) 已经形成的根据处理对象材料的特性进行排出表面处理。 因此,在烧结电极(12)和处理对象(2)之间连续产生放电,使得涂膜(13)被连续地通过放电能量沉积在处理对象物(2)的表面上以形成 一个厚膜。

    Electric discharge machine
    6.
    发明授权
    Electric discharge machine 失效
    放电机

    公开(公告)号:US06614234B1

    公开(公告)日:2003-09-02

    申请号:US09653345

    申请日:2000-08-31

    IPC分类号: G01N2760

    CPC分类号: B23H7/18

    摘要: An electric discharge machine for machining a workpiece by an electric discharge by supplying a machining fluid to a gap between an electrode and the workpiece and supplying pulses to the workpiece while providing the electrode with a jump motion, the jump motion being a periodic motion of the electrode relative to the workpiece; wherein the electric discharge machine detects a state quantity caused in a main body of the electric discharge machine by a reactive force produced by a machining operation in the gap between the electrode and the workpiece and changes machining conditions of the workpiece in accordance with a detected value of the state quantity.

    摘要翻译: 一种放电机,用于通过向电极和工件之间的间隙提供加工流体,通过放电来加工工件,并且在向电极提供跳跃运动的同时向工件提供脉冲,跳跃运动是周期性运动 电极相对于工件; 其特征在于,所述放电加工机通过在所述电极和所述工件之间的间隙中的加工操作产生的反作用力来检测在所述放电加工机的主体中产生的状态量,并根据检测值改变所述工件的加工条件 的国家数量。

    Three-dimensional electrical discharge machining method and apparatus
utilizing NC control
    7.
    发明授权
    Three-dimensional electrical discharge machining method and apparatus utilizing NC control 失效
    采用NC控制的三维放电加工方法和装置

    公开(公告)号:US5919380A

    公开(公告)日:1999-07-06

    申请号:US606978

    申请日:1996-02-26

    摘要: To obtain high machining speed and machining accuracy in three-dimensional machining by using of an electrode of simple shape. Applying voltage between an electrode of simple shape and a workpiece, performing three-dimensional control by an NC control while synthesizing a feed of a Z-axis direction for correcting longitudinal consumed amount of an electrode with an X-Y plane feed, storing amount equivalent to an X-Y moving distance in an X-Y plane corresponding to correcting moving amount of the Z-axis direction in an electrical discharge machining method for machining a desired three-dimensional shape and performing a feed of correcting moving amount in the Z-axis direction each time a moving distance in the X-Y plane on a moving locus during machining reaches the above stored amount.

    摘要翻译: 通过使用简单形状的电极在三维加工中获得高加工速度和加工精度。 在简单形状的电极和工件之间施加电压,在通过XY平面进给合成用于校正电极的纵向消耗量的Z轴方向的进给的同时,通过NC控制进行三维控制,相当于 在用于加工所需三维形状的放电加工方法中对应于校正Z轴方向的移动量的XY平面中的XY移动距离,并且每次移动时执行Z轴方向上的校正移动量的馈送 加工过程中移动轨迹上的XY平面上的距离达到上述存储量。

    Method and apparatus for electric discharge machining with calculation
of machining area
    8.
    发明授权
    Method and apparatus for electric discharge machining with calculation of machining area 失效
    用于放电加工的方法和装置,计算加工面积

    公开(公告)号:US5756955A

    公开(公告)日:1998-05-26

    申请号:US643960

    申请日:1996-05-07

    IPC分类号: B23H1/02

    CPC分类号: B23H1/024 B23H1/022

    摘要: An electric discharge machine includes a pulse determining section, which determines whether an electric discharge pulse is an effective electric discharge pulse contributing to machining or an ineffective pulse not contributing to machining, a pulse counting section, which counts the number of electric discharge pulses determined to be effective electric discharge pulses, a machining speed measuring section, which measures the machining rate in the axial direction, a dividing section, which divides the total number of electric discharge pulses by the machining rate in the axial direction, a storage section, which stores predetermined constant data corresponding to electric conditions such as a waveform for a current due to materials of an electrode and a workpiece or generation of electric discharge, and a machined area computing section, which computes a machined area according to the divided data and the stored constant data. A method for controlling the electric discharge machine is also described.

    摘要翻译: 放电机包括:脉冲判定部,其判定放电脉冲是有助于加工的有效放电脉冲还是无助于加工的无效脉冲;脉冲计数部,其将确定为 有效放电脉冲,测量轴向加工速度的加工速度测量部分,将总放电脉冲数除以轴向加工速率的分割部分,存储部分 对应于诸如由于电极和工件的材料导致的电流的波形或放电的产生的电气条件的预定常数数据,以及加工区域计算部分,其根据划分的数据和存储的常数来计算加工面积 数据。 还描述了一种用于控制放电机的方法。

    Surface treating method by electric discharge
    9.
    发明授权
    Surface treating method by electric discharge 失效
    表面处理方法放电

    公开(公告)号:US5858479A

    公开(公告)日:1999-01-12

    申请号:US783675

    申请日:1997-01-15

    IPC分类号: C23C26/00 H01T14/00

    CPC分类号: C23C26/00

    摘要: A surface treating method uses an electric discharge machining to form a coating layer having strong adhesion and excellent characteristics on a metal surface such as a hard metal. A discharge electrode is formed by powders containing metal hydride. Electric discharge is generated in a working fluid containing carbon between the discharge electrode and a workpiece. Thus, a coating layer of the metal hydride is formed on a surface of the workpiece.

    摘要翻译: 表面处理方法使用放电加工来形成在金属表面如硬质金属上具有强粘附性和优异特性的涂层。 放电电极由含有金属氢化物的粉末形成。 在放电电极和工件之间的含有碳的工作流体中产生放电。 因此,在工件的表面上形成金属氢化物的涂层。

    EDM with jump motion detecting reactive force
    10.
    发明授权
    EDM with jump motion detecting reactive force 有权
    EDM具有跳跃运动检测反作用力

    公开(公告)号:US6147500A

    公开(公告)日:2000-11-14

    申请号:US396456

    申请日:1999-09-15

    IPC分类号: B23H1/02 B23H7/18 G01N27/60

    CPC分类号: B23H7/18

    摘要: An electric discharge machine for machining a workpiece by an electric discharge by supplying a machining fluid to a gap between an electrode and the workpiece and supplying pulses to the workpiece while providing the electrode with a jump motion having a periodic motion of the electrode relative to the workpiece; wherein the electric discharge machine detects a state quantity caused in a main body of the electric discharge machine by a reactive force produced by a machining operation in the gap between the electrode and the workpiece and changes machining conditions of the workpiece in accordance with a detected value of the state quantity.

    摘要翻译: 一种放电机,用于通过将电机和工件之间的间隙供给加工流体并向工件供给脉冲,同时为电极提供具有电极相对于电极的周期运动的跳跃运动,通过放电来加工工件 工件; 其特征在于,所述放电加工机通过在所述电极和所述工件之间的间隙中的加工操作产生的反作用力来检测在所述放电加工机的主体中产生的状态量,并根据检测值改变所述工件的加工条件 的国家数量。