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紡絲計(jì)量泵傳動(dòng)軸上安全銷的作用
來源： 發(fā)布時(shí)間：2019-03-26 16:11:58 瀏覽次數(shù)：次
紡絲計(jì)量泵出口壓力隨出口管路，紡絲組件阻力的變化而變化；當(dāng)紡絲泵出口管路的阻力越大，出口壓力越大，則消耗的功率也越多。在紡絲過程中，隨著組件使用時(shí)間的增長(zhǎng)，過濾層內(nèi)的雜質(zhì)逐步增多，阻力越來越大，組件壓力會(huì)不斷升高，相應(yīng)地紡絲計(jì)量泵進(jìn)出口壓差也會(huì)增大。如果此壓差超過計(jì)且某設(shè)計(jì)壓差，紡絲泵可能發(fā)生損壞。
紡絲計(jì)量泵傳動(dòng)軸上的安全銷是超載保險(xiǎn)元件，它的主要作用是，當(dāng)傳動(dòng)軸傳動(dòng)扭矩過大，發(fā)生超載時(shí)，安全銷即剪斷破壞、使傳動(dòng)軸上下兩段在A-A截面處脫節(jié)斷開，從而避免造成紡絲泵損壞，起到保護(hù)高精度標(biāo)準(zhǔn)部件紡絲計(jì)量泵的作用。合理地確定安全銷的直徑，使紡絲泵傳動(dòng)軸既能在正常紡絲狀態(tài)下帶動(dòng)紡絲泵進(jìn)行準(zhǔn)確計(jì)量，連續(xù)輸送成纖高聚物熔體，又能保證當(dāng)其過載時(shí)，并在計(jì)量泵設(shè)計(jì)強(qiáng)度內(nèi)，安全銷及時(shí)剪斷，避免計(jì)量泵的破壞，是計(jì)量泵傳動(dòng)軸設(shè)計(jì)中的關(guān)健問題之一。鄭州紡絲計(jì)量泵廠家：www.www.bjxbb.com
鄭州巴特熔體泵有限公司
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