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    • 5. 发明授权
    • Method and apparatus for slitting metal strip
    • 切割金属条的方法和装置
    • US4516736A
    • 1985-05-14
    • US440151
    • 1982-11-08
    • Poul Andersen
    • Poul Andersen
    • B21C47/00B26D7/14B65H23/195B65H35/02
    • B26D7/14B21C47/006B65H23/1955B65H2301/4148Y10T83/159Y10T83/7805
    • A method and apparatus for longitudinally slitting metal strip under tension is provided. The method includes driving the strip forward and controlling the speed thereof through frictional engagement with the strip and slitting the strip under tension while further driving the strip, winding coils of slit strip while still further driving the strip and measuring the speed of the strip before slitting, the speed of slitting and the speed of winding the coils of slit strip and controlling those speeds as a function of the driving speed for providing a predetermined tension during slitting and for winding tighter coils of metal strip. An apparatus is also provided which includes a driven roll means before the slitter, a slitting means which is driven and a take-up winder means which is driven, as well as speed controls for slitting the strip under tension in order to provide tightly wound coils of slit metal strip ranging from light to heavy gauge.
    • 提供了用于在张力下纵向切割金属带的方法和装置。 该方法包括向前驱动带材并通过与带材的摩擦接合来控制其速度并在张力下切割条带,同时进一步驱动条带,在狭缝条的卷绕线圈的同时进一步驱动条带并在切割之前测量条带的速度 ,切割速度和卷绕线条的速度,并且控制这些速度作为驱动速度的函数,以便在分切期间提供预定的张力并且用于卷绕更紧密的金属条的线圈。 还提供了一种装置,其包括在分切机之前的从动辊装置,被驱动的分切装置和被驱动的卷绕装置,以及用于在张力下切割带的速度控制,以便提供紧密缠绕的线圈 的狭缝金属条,从轻到重的规格。
    • 10. 发明申请
    • MOBILE MACHINE TOOL, ESPECIALLY TABLE SAW
    • 便携式工具机,尤其是台锯
    • WO99059773A1
    • 1999-11-25
    • PCT/EP1999/003473
    • 1999-05-20
    • B23Q5/10B23D47/12
    • B23D47/12Y10T83/773Y10T83/7805
    • The invention relates to a mobile machine tool, especially a mobile table saw, comprising an outer casing, an electric drive motor (2) arranged therein which has a connecting device (3) for connecting it to a power supply network with a low system frequency, and a tool (4), especially a circular saw blade, driven by the drive motor (2). The invention is characterized notably in that the electric drive motor (2) is configured as an asynchronous (or synchronous motor), the connecting device (3) has a frequency converter (5) by means of which the low system frequency is converted to a high operating frequency of the electric drive motor (2), the electric drive motor (2) is operated at a higher speed corresponding to the higher operating frequency and the electric drive motor (2) is coupled to the tool (4) via a speed-reducing gear train (6) which is run at a corresponding lower speed suitable for machining workpieces.
    • 本发明涉及一种便携式工具机,尤其是便携式圆锯,具有外壳体,一个在其中电驱动马达(2)(与对于具有低系统频率连接到供电网络的连接装置(3)和一个从所述驱动马达(2)驱动的工具 4),圆形锯片。 这尤其是其特征在于,所述电驱动马达(2)被设计为异步电动机(或同步电动机),所述连接装置(3)包括一个频率转换器(5),通过这些低功率频率到电驱动马达的高工作频率(2- 进行反应),(2)对应的较高的速度驱动电机在较高的运行频率运行,并经由减速齿轮(6)与所述工具(4)的电驱动马达(2)联接,其相应地降低,用于处理 被操作的工件适当的速度。