利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

21 条记录 (耗时 0.011 秒)

    Method for ARC welding
    1.
    发明公开
    Method for ARC welding 失效
    Verfahren zum Lichtbogenschweissen。

    公开(公告)号：EP0278620A1

    公开(公告)日：1988-08-17

    申请号：EP88300588.6

    申请日：1988-01-25

    申请人： NIPPON KOKAN KABUSHIKI KAISHA

    发明人： Sugitani, Yuji ,  Murayama, Masatoshi

    IPC分类号： B23K9/00 ,  B23K9/08 ,  B23K9/12

    CPC分类号： B23K9/0216

    摘要： There is disclosed a method for arc welding wherein an electrode wire (4) is rotated to produce an arc rotating at an elevated speed and wherein the arc produced in this manner is used as an arc sensor for making a bevel profiling. According to the invention, the rotational speed of the arc N is set so as to be larger than a constant speed as determined by the time constant of the change of the wire melting speed so that the difference between the welding current when the electrode wire is at the center of the bevel and that when the electrode wire is at the extreme lateral position is increased to improve the bevel profiling performance.

    摘要翻译： 公开了一种电弧焊接方法，其中电极线（4）旋转以产生以高速旋转的电弧，并且其中以这种方式产生的电弧用作用于制造斜面轮廓的电弧传感器。 根据本发明，电弧N的转速被设定为大于由焊丝熔化速度的变化的时间常数确定的恒定速度，使得当电极线的焊接电流之间的差为 在斜面的中心处，并且当电极线处于极端横向位置时增加以改善斜面分布性能。

    Automatic groove tracing control method for arc welding
    6.
    发明公开
    Automatic groove tracing control method for arc welding 失效
    电弧焊自动跟踪跟踪控制方法

    公开(公告)号：EP0167390A3

    公开(公告)日：1986-07-30

    申请号：EP85304714

    申请日：1985-07-02

    申请人： NIPPON KOKAN KABUSHIKI KAISHA

    发明人： Sugitani, Yuji ,  Tamaoki, Naohiro

    IPC分类号： B23K09/02

    CPC分类号： B23K9/127

    摘要： A control method in which during arc welding a welding torch is moved in its axial direction so as to maintain the arc current or welding current at a predetermined value and thereby maintain the arc length constant and the torch is caused to weave in the width direction with respect to the direction of welding while changing the direction of the weaving each time the axial displacement or position of the torch attains a predetermined value. The weaving speed is decreased when the torch approaches each turning point of the weaving and the gain of the speed control for the torch axial movement is increased when the torch approaches each turning point in the course of its movement from the central area toward the turning point during each weaving cycie.

    Arc-welding method
    7.
    发明公开
    Arc-welding method 失效
    电弧焊接法

    公开(公告)号：EP0085215A1

    公开(公告)日：1983-08-10

    申请号：EP82300543.4

    申请日：1982-02-03

    申请人： NIPPON KOKAN KABUSHIKI KAISHA

    发明人： Nomura, Hirokazu ,  Sugitani, Yuji ,  Suzuki, Yasuo

    IPC分类号： B23K9/30

    CPC分类号： B23K9/0216

    摘要： In an arc-welding method, which comprises: reciprocally moving a welding electrode, which is directed through a welding torch substantially vertically toward a groove formed between objects of welding, in the width direction of the groove, following the face of said groove; producing an arc between the tip of said electrode and said groove; moving said torch vertically up and down so that one of arc voltage and arc current of said arc agrees with a previously set value; on the other hand, continuously detecting the vertical position of said torch as a value voltage indicated by a potentiometer; reversing the direction of the movement of said torch in the width direction of said groove at the moment when said value of voltage thus detected agrees with the previously set value of voltage; thereby welding said objects of welding together in the longitudinal direction of said groove; the improvement characterized by: calculating, for one movement of said torch in the width direction of said groove, the value of difference between said previously set value of voltage for the purpose of reversing the direction of movement of said torch in the width direction of said groove and the value of voltage detected by said potentiometer when said torch is at the lowest position thereof; and, reversing the direction of movement of said torch in the width direction of said groove at the moment when said continuously detected value of voltage of said torch agrees with said calculated value of difference.

    摘要翻译： 在一种电弧焊方法中，该方法包括：使沿着焊接方向的焊接电极基本垂直地朝着形成在焊接对象之间的凹槽在凹槽的宽度方向上跟随所述凹槽的表面往复移动; 在所述电极的尖端和所述凹槽之间产生电弧; 使所述焊炬竖直地上下移动，使得所述电弧的电弧电压和电弧电流中的一个与预先设定的值一致; 另一方面连续检测所述焊炬的垂直位置作为由电位计指示的值电压; 当所述检测到的电压值与预先设定的电压值一致时，反转所述焊炬在所述凹槽的宽度方向上的移动方向; 从而将所述焊接物体沿所述凹槽的纵向方向焊接在一起; 其特征在于：对于在所述凹槽的宽度方向上的所述焊炬的一个移动，计算所述预先设定的电压值之间的差值，以便使所述焊炬在所述宽度方向上的移动方向反转 凹槽和当所述焊炬位于其最低位置时由所述电位计检测到的电压值; 以及当所述焊炬的所述连续检测到的电压值与所述计算出的差值相一致时，反转所述焊炬沿所述凹槽的宽度方向的移动方向。

    Arc-welding method
    10.
    发明公开
    Arc-welding method 失效
    弧焊方法

    公开(公告)号：EP0092947A3

    公开(公告)日：1984-02-29

    申请号：EP83302157

    申请日：1983-04-15

    申请人： NIPPON KOKAN KABUSHIKI KAISHA

    发明人： Nomura, Hirokazu ,  Sugitani, Yuji

    IPC分类号： B23K09/02 ,  B23K09/30

    CPC分类号： B23K9/0216 ,  B23K9/10

    摘要： An arc-welding method, which comprises: arc-welding objects of welding together along the line of a groove formed between said objects of welding by continuously moving a welding electrode along the line of said groove while reciprocating said welding electrode in the width direction of said groove; characterized by: calculating at prescribed time intervals, for each one reciprocation of said welding electrode in the width direction of said groove, deviations (l-lo) of values (I) of one of arc current and arc voltage from a previously set reference value (lo), for each of left-side deviations (L) and right-side deviations (R) relative to the vertical plane which passes through the center of amplitude of said one reciprocation of said welding electrode and is parallel to the line of said groove; calculating at said time intervals, when said welding electrode moves over the left side of said groove relative to said vertical plane, differences (L-R) between said left-side deviations (L) and the immediately preceding right-side deviations (R), to controllably aligning the center of said amplitude of said one reciprocation of said welding electrode with the center of said groove In the width direction thereof at said prescribed time intervals so that said differences (L-R) become null; and, calculating at said prescribed time intervals, when said welding electrode moves over the right saide of said groove relative to said vertical plane, differences (L-R) between said right-side deviations (R) and the immediately preceding left-side deviations (L), to controllably aligning the center of said amplitude of said one reciprocation of said welding electrode with the center of said groove in the width direction thereof at said prescribed time intervals so that said differences (L-R) become null.