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      3. 彎管機
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        彎管機

        全自動型液壓中頻彎管機設有機械部分和電器控制部分。

        中頻彎管機機械部分設有4大機構分別為動力源機構、夾緊固定機構、彎管彎曲半徑調節機械、推進機構。

        中頻彎管機電器部分由2大系統組成分別為加熱系統和PLC控制系統 。
        中頻彎管機PLC控制系統:采用西門子S7-200,利用工控機或觸摸屏,根據彎管工藝,孟村回族自治縣黎明電子機械廠從94年開發研制一套自動控制系統:——即將所需彎管的幾何尺寸、彎曲半徑、彎管角度及原材料的編號、材質、煨制時所需要溫度等一系列數據輸入計算機,讓計算機根據這些數據來自動跟蹤控制,完成煨管操作過程.

        ①、中頻彎管機采用遠紅外測溫儀一點或幾點采樣,一點確保溫升可靠,過程中明確顯示,隨時監控溫升情況。
        ②、中頻彎管機自動跟蹤控制:實現網電壓高,溫升相應快,而液壓推進速度快;網電壓低,溫升慢,液壓推進速度自動慢,形成閉環,保持相對平衡。
        ③、中頻彎管機彎管煨制過程:計算機隨時記錄彎管煨制情況。當一根彎管煨制角度到位時,計算機自動停機報警,整個煨制過程的數據和圖像可存儲打印。
        Automatic type hydraulic if pipe bender is equipped with mechanical part and electric controlling part. Mechanical part has four institutions: Power supply mechanism, clamp fixed institution, bend radius adjusting mechanism, feed mechanism.

        Electrical part of If pipe bending machine consists of two systems: Heating system and PLC control system.
        PLC control systemof If pipe bending machine :

        The Siemens S7-200, using the industrial computer or touch screen , We developed a set of automatic control system from year 1994 according to the bending process : - Put the required bend geometry size, bending radius, bend Angle and raw material Numbers, material, heating required temperature and a series of data into the computer, let the computer has automatic tracking control according to those data, complete the tube bending process .
        1. Using far infrared thermometer of IF  pipe bending machine , sampling with one point or multiple point, One point ensure reliable temperature rise, process clear display and monitoring temperature rise situation all times.
        2. Automatic tracking control of if  pipe bending machine  : To realize that when high voltage in network, temperature quick rise correspondingly, so achieve fast hydraulic pushing speed; If low voltage in network, temperature rise is slow, hydraulic pushing speed is slow correspondingly, Forming closed cycle, keep relative balance.
        3. Pipe bending process of if  pipe bending machine : The computer records pipe bending situation at all times. When bending angel of the pipe arrived in required place, the computer stop and alarm automatically, the whole data and image of bending process can be stored and printed.

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