一、大圓機是做什么的

在紡織機(ji)械(xie)中，大圓機(ji)是比(bi)較(jiao)常(chang)見的，是工廠(chang)經常(chang)選擇(ze)的工業(ye)紡織設備之一，那么你知道(dao)大圓機(ji)是用(yong)來(lai)做(zuo)什么的嗎(ma)？

大圓機是做針織布用的機械設備，就是用來生產平常穿的內衣或運動服、汗衫T恤衫等(deng)半成品(pin)布(bu)料用的，產品(pin)還需要染色后(hou)處(chu)理后(hou)才可以做衣(yi)服。

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二、大圓針織機工作原理是什么

原理：馬(ma)達經(jing)(jing)皮(pi)(pi)(pi)帶和皮(pi)(pi)(pi)帶輪(lun)傳(chuan)(chuan)動(dong)(dong)小(xiao)齒(chi)輪(lun)，后者驅動(dong)(dong)固裝有(you)針(zhen)筒的大盤齒(chi)輪(lun)。機架上方(fang)(fang)與大盤齒(chi)輪(lun)固結(jie)，下(xia)方(fang)(fang)坐落在固定傘齒(chi)輪(lun)上。當大盤齒(chi)輪(lun)轉(zhuan)動(dong)(dong)時(shi)，帶動(dong)(dong)整個牽拉(la)卷(juan)取機構與針(zhen)筒同步回轉(zhuan)。此時(shi)，與傘齒(chi)輪(lun)8嚙合(he)的傘齒(chi)輪(lun)轉(zhuan)動(dong)(dong)，經(jing)(jing)變速齒(chi)輪(lun)箱變速后，驅動(dong)(dong)橫(heng)軸轉(zhuan)動(dong)(dong)。固結(jie)在橫(heng)軸一(yi)側的鏈(lian)(lian)輪(lun)經(jing)(jing)鏈(lian)(lian)條傳(chuan)(chuan)動(dong)(dong)鏈(lian)(lian)輪(lun)，從而(er)使與鏈(lian)(lian)輪(lun)同軸的牽拉(la)輥(gun)轉(zhuan)動(dong)(dong)進行(xing)(xing)牽拉(la)。固結(jie)在橫(heng)軸另一(yi)側的鏈(lian)(lian)輪(lun)經(jing)(jing)鏈(lian)(lian)條傳(chuan)(chuan)動(dong)(dong)鏈(lian)(lian)輪(lun)，從而(er)使與鏈(lian)(lian)輪(lun)同軸的主動(dong)(dong)皮(pi)(pi)(pi)帶輪(lun)轉(zhuan)動(dong)(dong)。皮(pi)(pi)(pi)帶輪(lun)經(jing)(jing)皮(pi)(pi)(pi)帶傳(chuan)(chuan)動(dong)(dong)從動(dong)(dong)皮(pi)(pi)(pi)帶輪(lun)，從而(er)驅動(dong)(dong)與皮(pi)(pi)(pi)帶輪(lun)同軸的卷(juan)取輥(gun)進行(xing)(xing)卷(juan)布。

1、應(ying)用選針機構使(shi)織針按預先安排的程序投(tou)入工作，以編織提花(hua)針織物。

2、應(ying)用梳毛機構(gou)把散纖(xian)維喂入織(zhi)針(zhen)，以編(bian)織(zhi)長毛絨針(zhen)織(zhi)物。

3、應(ying)用襯(chen)(chen)經(jing)襯(chen)(chen)緯裝(zhuang)置，以編織襯(chen)(chen)經(jing)襯(chen)(chen)緯針織物。

針織機的品(pin)種(zhong)繁多，已超(chao)過350種(zhong)。隨(sui)著化學纖維新品(pin)種(zhong)和后整(zheng)理工藝的發展(zhan)，提高了(le)針織物挺刮(gua)、免燙和耐磨(mo)等特性。拉絨、磨(mo)絨、剪毛、軋花和褶裥(jian)等整(zheng)理技術的應用，使針織品(pin)的品(pin)種(zhong)更為擴大。

三、大圓機的工作過程

1、成(cheng)圈(quan)(quan)過(guo)程(cheng)紗(sha)線(xian)(xian)(xian)構成(cheng)線(xian)(xian)(xian)圈(quan)(quan)，經過(guo)縱向串套和橫向連接(jie)便成(cheng)為針(zhen)織(zhi)物。所(suo)以成(cheng)圈(quan)(quan)是針(zhen)織(zhi)的(de)基本工(gong)藝(yi)。成(cheng)圈(quan)(quan)過(guo)程(cheng)可按順序分解成(cheng)下(xia)列幾個(ge)階段：退圈(quan)(quan)——把(ba)剛形成(cheng)的(de)線(xian)(xian)(xian)圈(quan)(quan)（稱(cheng)舊線(xian)(xian)(xian)圈(quan)(quan)）從針(zhen)鉤移至(zhi)針(zhen)桿；墊(dian)紗(sha)——把(ba)紗(sha)線(xian)(xian)(xian)喂到織(zhi)針(zhen)上；彎(wan)(wan)紗(sha)——把(ba)紗(sha)線(xian)(xian)(xian)彎(wan)(wan)曲成(cheng)線(xian)(xian)(xian)圈(quan)(quan)的(de)形狀(zhuang)；帶紗(sha)——把(ba)新墊(dian)上的(de)紗(sha)線(xian)(xian)(xian)或剛彎(wan)(wan)成(cheng)的(de)線(xian)(xian)(xian)圈(quan)(quan)移至(zhi)針(zhen)鉤內(nei)；閉(bi)口——封閉(bi)織(zhi)針(zhen)針(zhen)口；套圈(quan)(quan)——把(ba)舊線(xian)(xian)(xian)圈(quan)(quan)套到針(zhen)口閉(bi)合(he)的(de)針(zhen)鉤上。

2、連圈(quan)(quan)(quan)(quan)——新紗線(xian)(xian)(xian)(xian)或新線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)與舊(jiu)線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)在(zai)針鉤(gou)內外(wai)相遇(yu)；脫(tuo)圈(quan)(quan)(quan)(quan)——舊(jiu)線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)從針鉤(gou)上(shang)脫(tuo)下(xia)套(tao)在(zai)新線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)上(shang)；成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)——使(shi)紗線(xian)(xian)(xian)(xian)形成(cheng)(cheng)(cheng)(cheng)一只(zhi)封(feng)閉的和規定大(da)小的新線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)；牽拉(la)——把新線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)拉(la)離成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)區域。這只(zhi)新線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)在(zai)下(xia)一成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)周(zhou)期中即成(cheng)(cheng)(cheng)(cheng)為舊(jiu)線(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)。成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程有針織(zhi)(zhi)法(fa)和編(bian)結(jie)法(fa)兩(liang)類(lei)。在(zai)針織(zhi)(zhi)法(fa)成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程中，成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)各(ge)階段按上(shang)述順序進(jin)行(xing)。在(zai)編(bian)結(jie)法(fa)成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程中，彎(wan)紗始(shi)于(yu)脫(tuo)圈(quan)(quan)(quan)(quan)，并與成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)階段同時進(jin)行(xing)。在(zai)有的針織(zhi)(zhi)機上(shang)各(ge)只(zhi)織(zhi)(zhi)針依次順序完成(cheng)(cheng)(cheng)(cheng)成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程；也有一些針織(zhi)(zhi)機的成(cheng)(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程各(ge)只(zhi)織(zhi)(zhi)針整列(lie)地(di)同時進(jin)行(xing)。