一、大圓機是做什么的

在紡織機(ji)(ji)械(xie)中(zhong)，大圓(yuan)機(ji)(ji)是(shi)比(bi)較常見(jian)的(de)，是(shi)工廠經常選擇的(de)工業(ye)紡織設備之一，那么你(ni)知道大圓(yuan)機(ji)(ji)是(shi)用來做什(shen)么的(de)嗎？

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(han)衫(shan)T恤衫(shan)等半成(cheng)品布料用的，產品還需要染色(se)后處理后才可以做衣服。

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二、大圓針織機工作原理是什么

原理：馬達經(jing)(jing)皮(pi)帶(dai)和皮(pi)帶(dai)輪(lun)(lun)傳(chuan)動(dong)(dong)(dong)(dong)(dong)小(xiao)齒(chi)(chi)(chi)輪(lun)(lun)，后者驅動(dong)(dong)(dong)(dong)(dong)固(gu)(gu)裝有針筒(tong)的(de)大(da)盤齒(chi)(chi)(chi)輪(lun)(lun)。機(ji)架上方與(yu)大(da)盤齒(chi)(chi)(chi)輪(lun)(lun)固(gu)(gu)結，下方坐落(luo)在固(gu)(gu)定(ding)傘齒(chi)(chi)(chi)輪(lun)(lun)上。當大(da)盤齒(chi)(chi)(chi)輪(lun)(lun)轉動(dong)(dong)(dong)(dong)(dong)時(shi)，帶(dai)動(dong)(dong)(dong)(dong)(dong)整(zheng)個牽(qian)拉(la)卷(juan)取(qu)機(ji)構與(yu)針筒(tong)同(tong)步回轉。此時(shi)，與(yu)傘齒(chi)(chi)(chi)輪(lun)(lun)8嚙合的(de)傘齒(chi)(chi)(chi)輪(lun)(lun)轉動(dong)(dong)(dong)(dong)(dong)，經(jing)(jing)變速齒(chi)(chi)(chi)輪(lun)(lun)箱(xiang)變速后，驅動(dong)(dong)(dong)(dong)(dong)橫(heng)軸(zhou)轉動(dong)(dong)(dong)(dong)(dong)。固(gu)(gu)結在橫(heng)軸(zhou)一(yi)側的(de)鏈(lian)輪(lun)(lun)經(jing)(jing)鏈(lian)條傳(chuan)動(dong)(dong)(dong)(dong)(dong)鏈(lian)輪(lun)(lun)，從(cong)(cong)而(er)使與(yu)鏈(lian)輪(lun)(lun)同(tong)軸(zhou)的(de)牽(qian)拉(la)輥轉動(dong)(dong)(dong)(dong)(dong)進(jin)行(xing)牽(qian)拉(la)。固(gu)(gu)結在橫(heng)軸(zhou)另一(yi)側的(de)鏈(lian)輪(lun)(lun)經(jing)(jing)鏈(lian)條傳(chuan)動(dong)(dong)(dong)(dong)(dong)鏈(lian)輪(lun)(lun)，從(cong)(cong)而(er)使與(yu)鏈(lian)輪(lun)(lun)同(tong)軸(zhou)的(de)主動(dong)(dong)(dong)(dong)(dong)皮(pi)帶(dai)輪(lun)(lun)轉動(dong)(dong)(dong)(dong)(dong)。皮(pi)帶(dai)輪(lun)(lun)經(jing)(jing)皮(pi)帶(dai)傳(chuan)動(dong)(dong)(dong)(dong)(dong)從(cong)(cong)動(dong)(dong)(dong)(dong)(dong)皮(pi)帶(dai)輪(lun)(lun)，從(cong)(cong)而(er)驅動(dong)(dong)(dong)(dong)(dong)與(yu)皮(pi)帶(dai)輪(lun)(lun)同(tong)軸(zhou)的(de)卷(juan)取(qu)輥進(jin)行(xing)卷(juan)布。

1、應(ying)用選針(zhen)機構使織針(zhen)按預先安排的(de)程(cheng)序投入工作，以(yi)編織提(ti)花針(zhen)織物。

2、應用梳毛(mao)機構把散纖維(wei)喂入織(zhi)針，以編織(zhi)長毛(mao)絨針織(zhi)物。

3、應(ying)用襯(chen)經襯(chen)緯(wei)裝(zhuang)置(zhi)，以(yi)編織(zhi)襯(chen)經襯(chen)緯(wei)針織(zhi)物。

針織(zhi)機的品種(zhong)繁多，已(yi)超過350種(zhong)。隨著化學(xue)纖維新(xin)品種(zhong)和(he)后整(zheng)理工(gong)藝的發展(zhan)，提(ti)高了針織(zhi)物(wu)挺(ting)刮、免(mian)燙和(he)耐磨等(deng)(deng)特性。拉絨、磨絨、剪毛、軋花和(he)褶裥等(deng)(deng)整(zheng)理技術的應用，使針織(zhi)品的品種(zhong)更為擴(kuo)大。

三、大圓機的工作過程

1、成(cheng)(cheng)圈(quan)過(guo)程紗(sha)線(xian)構(gou)成(cheng)(cheng)線(xian)圈(quan)，經(jing)過(guo)縱(zong)向串套(tao)和(he)橫向連(lian)接便成(cheng)(cheng)為針(zhen)織(zhi)物(wu)。所以成(cheng)(cheng)圈(quan)是針(zhen)織(zhi)的基本工藝(yi)。成(cheng)(cheng)圈(quan)過(guo)程可按順序分解成(cheng)(cheng)下列幾個階(jie)段：退圈(quan)——把剛形(xing)成(cheng)(cheng)的線(xian)圈(quan)（稱舊線(xian)圈(quan)）從針(zhen)鉤移至(zhi)針(zhen)桿；墊紗(sha)——把紗(sha)線(xian)喂到(dao)(dao)織(zhi)針(zhen)上；彎紗(sha)——把紗(sha)線(xian)彎曲成(cheng)(cheng)線(xian)圈(quan)的形(xing)狀(zhuang)；帶紗(sha)——把新墊上的紗(sha)線(xian)或剛彎成(cheng)(cheng)的線(xian)圈(quan)移至(zhi)針(zhen)鉤內(nei)；閉口——封(feng)閉織(zhi)針(zhen)針(zhen)口；套(tao)圈(quan)——把舊線(xian)圈(quan)套(tao)到(dao)(dao)針(zhen)口閉合(he)的針(zhen)鉤上。

2、連圈(quan)(quan)(quan)(quan)——新(xin)(xin)紗線(xian)(xian)或新(xin)(xin)線(xian)(xian)圈(quan)(quan)(quan)(quan)與(yu)舊線(xian)(xian)圈(quan)(quan)(quan)(quan)在(zai)(zai)針(zhen)(zhen)鉤(gou)內外相遇；脫(tuo)圈(quan)(quan)(quan)(quan)——舊線(xian)(xian)圈(quan)(quan)(quan)(quan)從針(zhen)(zhen)鉤(gou)上(shang)脫(tuo)下套在(zai)(zai)新(xin)(xin)線(xian)(xian)圈(quan)(quan)(quan)(quan)上(shang)；成(cheng)(cheng)圈(quan)(quan)(quan)(quan)——使紗線(xian)(xian)形成(cheng)(cheng)一只(zhi)封閉的(de)和規定大(da)小的(de)新(xin)(xin)線(xian)(xian)圈(quan)(quan)(quan)(quan)；牽拉——把新(xin)(xin)線(xian)(xian)圈(quan)(quan)(quan)(quan)拉離成(cheng)(cheng)圈(quan)(quan)(quan)(quan)區域(yu)。這(zhe)只(zhi)新(xin)(xin)線(xian)(xian)圈(quan)(quan)(quan)(quan)在(zai)(zai)下一成(cheng)(cheng)圈(quan)(quan)(quan)(quan)周(zhou)期(qi)中(zhong)即成(cheng)(cheng)為舊線(xian)(xian)圈(quan)(quan)(quan)(quan)。成(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程有(you)(you)針(zhen)(zhen)織(zhi)(zhi)(zhi)法(fa)和編(bian)結法(fa)兩(liang)類。在(zai)(zai)針(zhen)(zhen)織(zhi)(zhi)(zhi)法(fa)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程中(zhong)，成(cheng)(cheng)圈(quan)(quan)(quan)(quan)各階段(duan)按上(shang)述順序(xu)進(jin)行。在(zai)(zai)編(bian)結法(fa)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程中(zhong)，彎(wan)紗始于(yu)脫(tuo)圈(quan)(quan)(quan)(quan)，并與(yu)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)階段(duan)同時進(jin)行。在(zai)(zai)有(you)(you)的(de)針(zhen)(zhen)織(zhi)(zhi)(zhi)機(ji)上(shang)各只(zhi)織(zhi)(zhi)(zhi)針(zhen)(zhen)依次順序(xu)完成(cheng)(cheng)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程；也有(you)(you)一些(xie)針(zhen)(zhen)織(zhi)(zhi)(zhi)機(ji)的(de)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)程各只(zhi)織(zhi)(zhi)(zhi)針(zhen)(zhen)整列地同時進(jin)行。