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縷紗測長儀的結構原理及用途

時間:16-11-24 04:22

    縷(lv)紗測長儀(yi)是評價紗線(xian)、纖(xian)維長絲(si)等線(xian)密度(du)技術(shu)指標的儀(yi)器之一,每繞取一圈紗線(xian)就得到(dao)一圈的長度(du),因此紗線(xian)的張(zhang)力影響長度(du),圈數越(yue)多積累長度(du)差別越(yue)大。所以,張(zhang)力器在本儀(yi)器上是一道獨特技術(shu)特征。

    縷紗測(ce)長(chang)儀的檢(jian)測(ce)過程(cheng),是在(zai)儀器(qi)(qi)(qi)的程(cheng)序(xu)控制電機帶動(dong)(dong)(dong)紗框(kuang)旋轉(zhuan)完成的,紗框(kuang)在(zai)牽(qian)引試(shi)(shi)樣(yang)(yang)轉(zhuan)動(dong)(dong)(dong)時給試(shi)(shi)樣(yang)(yang)施(shi)加張(zhang)(zhang)力,紗線在(zai)規定(ding)的張(zhang)(zhang)力下排(pai)序(xu)纏繞在(zai)紗框(kuang)上。在(zai)儀器(qi)(qi)(qi)機座上裝有(you)電機,電機動(dong)(dong)(dong)力帶動(dong)(dong)(dong)紗框(kuang)轉(zhuan)動(dong)(dong)(dong);儀器(qi)(qi)(qi)裝有(you)導(dao)紗器(qi)(qi)(qi),讓試(shi)(shi)樣(yang)(yang)按照(zhao)規定(ding)的路徑從試(shi)(shi)樣(yang)(yang)管到紗框(kuang);儀器(qi)(qi)(qi)裝有(you)張(zhang)(zhang)力器(qi)(qi)(qi)、張(zhang)(zhang)力調(diao)(diao)節器(qi)(qi)(qi),用來調(diao)(diao)節試(shi)(shi)樣(yang)(yang)張(zhang)(zhang)力在(zai)規定(ding)的張(zhang)(zhang)力值(zhi);儀器(qi)(qi)(qi)裝有(you)橫動(dong)(dong)(dong)排(pai)紗器(qi)(qi)(qi),讓試(shi)(shi)樣(yang)(yang)有(you)序(xu)排(pai)列在(zai)紗框(kuang)上。

    縷紗測(ce)長儀(yi)是由單片(pian)機控(kong)制(zhi)的(de)儀(yi)器(qi),可以設置(zhi)最后停(ting)止(zhi)提前1-5圈(quan)(quan)減速(su)運轉,有效避免(mian)沖圈(quan)(quan)現象,緩(huan)啟動、慢停(ting)止(zhi),被廣泛使用(yong)于紡織企業、檢(jian)測(ce)機構和科研的(de)中(zhong)心實驗室。

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