一、大圓機是做什么的

在紡織(zhi)機械中，大(da)圓機是(shi)比較常見(jian)的，是(shi)工(gong)廠(chang)經(jing)常選擇的工(gong)業紡織(zhi)設備(bei)之一，那么(me)(me)你知道大(da)圓機是(shi)用來做(zuo)什么(me)(me)的嗎？

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、汗衫T恤(xu)衫等半成品布料用的，產品還需要染(ran)色后處理后才可(ke)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)皮(pi)帶(dai)和(he)皮(pi)帶(dai)輪(lun)傳(chuan)動(dong)(dong)(dong)(dong)小齒(chi)輪(lun)，后者(zhe)驅(qu)動(dong)(dong)(dong)(dong)固裝有針(zhen)筒的(de)大盤(pan)齒(chi)輪(lun)。機架上方(fang)與大盤(pan)齒(chi)輪(lun)固結(jie)，下方(fang)坐落在固定傘齒(chi)輪(lun)上。當大盤(pan)齒(chi)輪(lun)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)時，帶(dai)動(dong)(dong)(dong)(dong)整個牽拉卷(juan)取機構與針(zhen)筒同(tong)(tong)步回轉(zhuan)(zhuan)。此時，與傘齒(chi)輪(lun)8嚙(nie)合(he)的(de)傘齒(chi)輪(lun)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)，經(jing)變速齒(chi)輪(lun)箱變速后，驅(qu)動(dong)(dong)(dong)(dong)橫軸(zhou)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)。固結(jie)在橫軸(zhou)一側的(de)鏈(lian)輪(lun)經(jing)鏈(lian)條(tiao)傳(chuan)動(dong)(dong)(dong)(dong)鏈(lian)輪(lun)，從而使與鏈(lian)輪(lun)同(tong)(tong)軸(zhou)的(de)牽拉輥轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)進行牽拉。固結(jie)在橫軸(zhou)另一側的(de)鏈(lian)輪(lun)經(jing)鏈(lian)條(tiao)傳(chuan)動(dong)(dong)(dong)(dong)鏈(lian)輪(lun)，從而使與鏈(lian)輪(lun)同(tong)(tong)軸(zhou)的(de)主動(dong)(dong)(dong)(dong)皮(pi)帶(dai)輪(lun)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)。皮(pi)帶(dai)輪(lun)經(jing)皮(pi)帶(dai)傳(chuan)動(dong)(dong)(dong)(dong)從動(dong)(dong)(dong)(dong)皮(pi)帶(dai)輪(lun)，從而驅(qu)動(dong)(dong)(dong)(dong)與皮(pi)帶(dai)輪(lun)同(tong)(tong)軸(zhou)的(de)卷(juan)取輥進行卷(juan)布。

1、應(ying)用選針機(ji)構使織(zhi)(zhi)針按預(yu)先安排(pai)的(de)程序投入工作，以編(bian)織(zhi)(zhi)提花針織(zhi)(zhi)物。

2、應用梳毛機構把散纖維喂(wei)入織(zhi)針，以編織(zhi)長(chang)毛絨針織(zhi)物。

3、應用襯(chen)經襯(chen)緯裝(zhuang)置(zhi)，以(yi)編織襯(chen)經襯(chen)緯針織物(wu)。

針(zhen)(zhen)織機(ji)的品(pin)(pin)種繁(fan)多，已超過350種。隨著化學(xue)纖(xian)維新品(pin)(pin)種和(he)(he)后整理(li)工藝的發展(zhan)，提高了針(zhen)(zhen)織物挺刮、免(mian)燙和(he)(he)耐磨(mo)等特(te)性。拉絨、磨(mo)絨、剪(jian)毛、軋花和(he)(he)褶裥等整理(li)技(ji)術的應(ying)用，使(shi)針(zhen)(zhen)織品(pin)(pin)的品(pin)(pin)種更(geng)為擴大。

三、大圓機的工作過程

1、成(cheng)圈(quan)(quan)(quan)過(guo)程(cheng)紗(sha)線(xian)(xian)構成(cheng)線(xian)(xian)圈(quan)(quan)(quan)，經過(guo)縱向串套和(he)橫向連接便成(cheng)為針(zhen)織(zhi)物。所以(yi)成(cheng)圈(quan)(quan)(quan)是針(zhen)織(zhi)的(de)基本工藝。成(cheng)圈(quan)(quan)(quan)過(guo)程(cheng)可按順序(xu)分(fen)解成(cheng)下列幾(ji)個階(jie)段：退圈(quan)(quan)(quan)——把剛(gang)形成(cheng)的(de)線(xian)(xian)圈(quan)(quan)(quan)（稱舊線(xian)(xian)圈(quan)(quan)(quan)）從針(zhen)鉤移至(zhi)針(zhen)桿；墊紗(sha)——把紗(sha)線(xian)(xian)喂到織(zhi)針(zhen)上；彎(wan)紗(sha)——把紗(sha)線(xian)(xian)彎(wan)曲成(cheng)線(xian)(xian)圈(quan)(quan)(quan)的(de)形狀(zhuang)；帶(dai)紗(sha)——把新墊上的(de)紗(sha)線(xian)(xian)或剛(gang)彎(wan)成(cheng)的(de)線(xian)(xian)圈(quan)(quan)(quan)移至(zhi)針(zhen)鉤內；閉口——封閉織(zhi)針(zhen)針(zhen)口；套圈(quan)(quan)(quan)——把舊線(xian)(xian)圈(quan)(quan)(quan)套到針(zhen)口閉合的(de)針(zhen)鉤上。

2、連圈(quan)(quan)(quan)(quan)(quan)——新(xin)紗線(xian)(xian)(xian)或(huo)新(xin)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)與舊(jiu)(jiu)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)在針(zhen)鉤內外相遇；脫(tuo)圈(quan)(quan)(quan)(quan)(quan)——舊(jiu)(jiu)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)從針(zhen)鉤上脫(tuo)下套在新(xin)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)上；成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)——使紗線(xian)(xian)(xian)形成(cheng)(cheng)一只(zhi)封(feng)閉的和規定大小的新(xin)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)；牽拉(la)(la)——把(ba)新(xin)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)拉(la)(la)離成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)區域。這(zhe)只(zhi)新(xin)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)在下一成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)周期中即成(cheng)(cheng)為舊(jiu)(jiu)線(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)。成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)過程(cheng)有針(zhen)織(zhi)(zhi)(zhi)法(fa)和編結(jie)(jie)法(fa)兩類。在針(zhen)織(zhi)(zhi)(zhi)法(fa)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)過程(cheng)中，成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)各階(jie)段按上述順序進(jin)(jin)行。在編結(jie)(jie)法(fa)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)過程(cheng)中，彎(wan)紗始(shi)于脫(tuo)圈(quan)(quan)(quan)(quan)(quan)，并(bing)與成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)階(jie)段同時進(jin)(jin)行。在有的針(zhen)織(zhi)(zhi)(zhi)機(ji)上各只(zhi)織(zhi)(zhi)(zhi)針(zhen)依次順序完成(cheng)(cheng)成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)過程(cheng)；也有一些針(zhen)織(zhi)(zhi)(zhi)機(ji)的成(cheng)(cheng)圈(quan)(quan)(quan)(quan)(quan)過程(cheng)各只(zhi)織(zhi)(zhi)(zhi)針(zhen)整(zheng)列地同時進(jin)(jin)行。