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我們來簡單分析吊車鋼絲繩選用要點
Release Date:2022-07-13
  鋼(gang)(gang)絲繩(sheng)(sheng)(sheng)在(zai)工程起重機上使用的(de)非常(chang)普(pu)遍,它是(shi)由單根鋼(gang)(gang)絲繞在(zai)一起形(xing)成(cheng)股(gu),然后將(jiang)其中一些股(gu)繞成(cheng)繩(sheng)(sheng)(sheng)芯(xin)(xin),再由其它股(gu)組成(cheng)的(de)外股(gu)圍繞繩(sheng)(sheng)(sheng)芯(xin)(xin)繞成(cheng)鋼(gang)(gang)絲繩(sheng)(sheng)(sheng)。有些進口鋼(gang)(gang)絲繩(sheng)(sheng)(sheng)內(nei)部還包含一個塑料插芯(xin)(xin),通常(chang)以塑料涂(tu)層的(de)形(xing)式經過(guo)特殊處(chu)理(li)覆蓋在(zai)繩(sheng)(sheng)(sheng)芯(xin)(xin)上,重要的(de)鋼(gang)(gang)絲繩(sheng)(sheng)(sheng)則在(zai)繩(sheng)(sheng)(sheng)內(nei)部充填適當的(de)潤滑劑(ji)以減少摩(mo)擦。下面(mian)鋼(gang)(gang)絲繩(sheng)(sheng)(sheng)廠家(jia)就來和大家(jia)簡單分析(xi)下。

  所謂不(bu)旋轉鋼(gang)(gang)絲(si)繩(sheng)(sheng)(sheng)是基(ji)于(yu)這樣一個原(yuan)理(li)(li)(li),即繩(sheng)(sheng)(sheng)與(yu)股(gu)(gu)的(de)扭(niu)(niu)轉力矩(ju)(ju)方向相(xiang)反(fan)而大小(xiao)相(xiang)等(deng)(deng):進(jin)口(kou)不(bu)旋轉鋼(gang)(gang)絲(si)繩(sheng)(sheng)(sheng)則(ze)有所不(bu)同,其原(yuan)理(li)(li)(li)是使繩(sheng)(sheng)(sheng)芯(xin)的(de)旋向與(yu)繩(sheng)(sheng)(sheng)本身的(de)旋向相(xiang)反(fan),當(dang)受力時,繩(sheng)(sheng)(sheng)芯(xin)產生(sheng)的(de)扭(niu)(niu)矩(ju)(ju)與(yu)外股(gu)(gu)產生(sheng)的(de)扭(niu)(niu)矩(ju)(ju)大小(xiao)相(xiang)等(deng)(deng),方向相(xiang)反(fan)。鋼(gang)(gang)絲(si)繩(sheng)(sheng)(sheng)的(de)股(gu)(gu)還可通(tong)過滾壓或模具擠(ji)壓等(deng)(deng)后處理(li)(li)(li)方法成為緊密股(gu)(gu),處理(li)(li)(li)后股(gu)(gu)的(de)直徑將(jiang)減(jian)小(xiao),而表面光潔度很(hen)高。


  因此(ci),采(cai)用緊密(mi)股(gu)(gu)的鋼(gang)絲(si)繩(sheng)(sheng)可以使(shi)用較(jiao)粗的鋼(gang)絲(si),相同直(zhi)徑下(xia),采(cai)用緊密(mi)股(gu)(gu)的鋼(gang)絲(si)繩(sheng)(sheng)充填系數較(jiao)高,破斷(duan)拉(la)力大為提高。當在卷筒上進(jin)行多層纏繞(rao)時,普(pu)通股(gu)(gu)的鋼(gang)絲(si)繩(sheng)(sheng)其外股(gu)(gu)在層與層之(zhi)間擠(ji)壓(ya)較(jiao)嚴重,鋼(gang)絲(si)繩(sheng)(sheng)表面(mian)磨損(sun)較(jiao)快。而緊密(mi)股(gu)(gu)的鋼(gang)絲(si)繩(sheng)(sheng)則有較(jiao)高的抗磨損(sun)能力和抗擠(ji)壓(ya)能力。

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