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針織服裝加工基礎知識

  發表時間:2017年11月09日  點擊數:2128 次

  針織(zhi)服(fu)裝大都是(shi)以棉(mian)和(he)(he)化纖棉(mian)紗為原料,其特點是(shi)柔軟、有彈性(xing)、透氣、吸汗、穿著舒(shu)適,如運動服(fu)和(he)(he)內衣等。針織(zhi)服(fu)裝作為服(fu)裝除(chu)了(le)有和(he)(he)梭織(zhi)服(fu)裝的共性(xing)方面外(wai),還具有其特性(xing)。

  工藝流程:

  紡紗→編織(zhi)→驗布→裁剪→縫(feng)制→整燙→檢(jian)驗

  (一)紡(fang)紗

  紡(fang)紗的(de)目的(de)是使進(jin)廠(chang)的(de)棉(mian)紗卷(juan)繞成一(yi)定結(jie)構與規格的(de)卷(juan)裝筒(tong)子,以適合(he)針織生(sheng)產(chan)之(zhi)用。在(zai)紡(fang)紗過程中要(yao)消除紗線(xian)上存在(zai)的(de)一(yi)些疵(ci)點,同時使紗線(xian)具有一(yi)定的(de)均勻的(de)張力(li),對紗線(xian)進(jin)行(xing)必(bi)要(yao)的(de)輔助處(chu)理,如上蠟、上油等(deng),以改善(shan)紗線(xian)的(de)編織性能,提高(gao)生(sheng)產(chan)效(xiao)率和改善(shan)產(chan)品質量。

  (二(er))編織

  編織(zhi)(zhi)是通過(guo)織(zhi)(zhi)機使(shi)紗線(xian)組織(zhi)(zhi)成線(xian)卷(juan)互相串套(tao)而成為(wei)織(zhi)(zhi)物的過(guo)程。這也(ye)是針織(zhi)(zhi)服(fu)裝和(he)梭織(zhi)(zhi)服(fu)裝的根本(ben)區(qu)別。

  編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)方法(fa)可(ke)(ke)分(fen)為緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)和經編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)兩大(da)類(lei)(lei),作(zuo)為針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)用(yong)(yong)衣的(de)(de)(de)面(mian)料大(da)都是緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)。緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)是將一根或(huo)數(shu)根紗(sha)(sha)線(xian)由緯(wei)向喂入針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)機(ji)的(de)(de)(de)工(gong)作(zuo)針(zhen)上(shang),使紗(sha)(sha)線(xian)順序地彎曲成(cheng)圈(quan),且加(jia)以串套而形成(cheng)緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)。用(yong)(yong)來(lai)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)這種(zhong)(zhong)(zhong)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)(de)機(ji)器(qi)(qi)(qi)稱(cheng)(cheng)為緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)機(ji)。緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)對加(jia)工(gong)紗(sha)(sha)線(xian)的(de)(de)(de)種(zhong)(zhong)(zhong)類(lei)(lei)和線(xian)密度有較大(da)的(de)(de)(de)適應性,所生產(chan)(chan)(chan)(chan)的(de)(de)(de)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)(de)品(pin)種(zhong)(zhong)(zhong)也(ye)甚為廣泛。緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)(de)品(pin)種(zhong)(zhong)(zhong)繁多,既能織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)成(cheng)各(ge)種(zhong)(zhong)(zhong)組織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)內外衣用(yong)(yong)坯布,又可(ke)(ke)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)成(cheng)單件的(de)(de)(de)成(cheng)形和部分(fen)成(cheng)形產(chan)(chan)(chan)(chan)品(pin),同時緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)工(gong)藝過程和機(ji)器(qi)(qi)(qi)結(jie)構比(bi)(bi)較簡單,易于操作(zuo),機(ji)器(qi)(qi)(qi)的(de)(de)(de)生產(chan)(chan)(chan)(chan)效率比(bi)(bi)較高,因(yin)此,緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)在針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)工(gong)業(ye)中比(bi)(bi)重較大(da)。緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)機(ji)的(de)(de)(de)類(lei)(lei)型很多,一般(ban)都以針(zhen)床數(shu)量,針(zhen)床形式和用(yong)(yong)針(zhen)類(lei)(lei)別(bie)(bie)等來(lai)區(qu)(qu)分(fen)。經編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)是由一組或(huo)幾組平行排列的(de)(de)(de)紗(sha)(sha)線(xian)分(fen)別(bie)(bie)排列在織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)針(zhen)上(shang),同時沿縱向編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)而成(cheng)。用(yong)(yong)來(lai)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)這種(zhong)(zhong)(zhong)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)(de)機(ji)器(qi)(qi)(qi)稱(cheng)(cheng)為經編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)針(zhen)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)機(ji)。一般(ban)經編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)(de)脫散性和延伸性比(bi)(bi)緯(wei)編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)小,其(qi)結(jie)構和外形的(de)(de)(de)穩定性較好,它的(de)(de)(de)用(yong)(yong)途也(ye)較廣,除可(ke)(ke)生產(chan)(chan)(chan)(chan)衣用(yong)(yong)面(mian)料外,還可(ke)(ke)生產(chan)(chan)(chan)(chan)蚊帳、窗簾、花邊裝飾織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)、醫用(yong)(yong)織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)等等,經編(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)機(ji)同樣也(ye)可(ke)(ke)以以針(zhen)床、織(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)針(zhen)針(zhen)型來(lai)進行區(qu)(qu)分(fen)。

  (三)驗布

  由(you)于(yu)坯(pi)布(bu)的質量(liang)(liang)直接關系到成品的質量(liang)(liang)和產量(liang)(liang),因此裁剪前,必須根據裁剪用布(bu)配料單,核對(dui)(dui)匹數、尺寸(cun)、密度、批號、線密度是否符(fu)合要(yao)求,在驗布(bu)時對(dui)(dui)坯(pi)布(bu)按標(biao)準逐一進行檢(jian)驗,對(dui)(dui)影(ying)響成品質量(liang)(liang)的各類疵點,例如色花、漏針、破洞、油污等須做好標(biao)記及質量(liang)(liang)記錄。

  (四(si))裁剪(jian)

  針織服(fu)裝裁剪(jian)的主要工藝過程:

  斷料→借疵(ci)→劃樣→裁剪(jian)→捆(kun)扎。

  借疵是(shi)提高產品質(zhi)量、節省用料(liao)的(de)重(zhong)要一環,斷料(liao)過程中盡可能(neng)將坯布(bu)上的(de)疵點(dian)借到(dao)裁耗部位或縫(feng)合處。

  針織(zhi)面料(liao)按經(jing)向網(wang)目(mu)輔料(liao)裁(cai)剪,裁(cai)剪一般采用套(tao)(tao)(tao)裁(cai)方式,常用的有(you)平(ping)套(tao)(tao)(tao)、互套(tao)(tao)(tao)、鑲套(tao)(tao)(tao)、拼接套(tao)(tao)(tao)、剖(pou)縫套(tao)(tao)(tao)等。

  針織(zhi)面(mian)料在(zai)裁(cai)剪中應注(zhu)意以下事項:

  (1)不(bu)要將有(you)折疊痕跡(ji)處(chu)(chu)和有(you)印花(hua)的邊緣處(chu)(chu)使(shi)用(yong)在服裝的明顯(xian)部位。

  (2)剪裁中(zhong)不要使(shi)用錐孔標記,以免影響(xiang)成衣的外觀。

  (五)縫制

  我國針(zhen)織(zhi)工業現有(you)縫(feng)(feng)制工藝及(ji)設(she)備(bei)是以中、高速平縫(feng)(feng)機(ji)(俗(su)稱“平車(che)”)、中、高速包縫(feng)(feng)機(ji)(俗(su)稱“拷克車(che)”)、繃縫(feng)(feng)車(che)等縫(feng)(feng)紉機(ji)機(ji)型為主。

  由于針(zhen)織織物(wu)是由線圈(quan)串套組成,裁剪后(hou)的衣(yi)(yi)片邊緣容易發生脫(tuo)散,故應先將衣(yi)(yi)片邊緣包(bao)縫(feng)(feng)(feng)(俗(su)稱(cheng)“拷邊”)后(hou)再用平縫(feng)(feng)(feng)機等(deng)縫(feng)(feng)(feng)制加工。平縫(feng)(feng)(feng)機和包(bao)縫(feng)(feng)(feng)機是縫(feng)(feng)(feng)制針(zhen)織時(shi)裝的主要(yao)(yao)機種。在縫(feng)(feng)(feng)制過程中(zhong)一般要(yao)(yao)注意(yi)掌握以下要(yao)(yao)點。

  1.縫(feng)跡 由于針織(zhi)面料的(de)織(zhi)物具有縱向和橫向的(de)延伸性(即彈(dan)性)的(de)特點及邊緣(yuan)線圈(quan)易脫散的(de)缺點,故縫(feng)制針織(zhi)時裝的(de)縫(feng)跡應滿足:

  (1)縫跡(ji)應具有與針織(zhi)織(zhi)物相適應的(de)拉伸性和(he)強力。

  (2)縫(feng)跡應能防止織物線圈的脫散。

  (3)適(shi)當(dang)控制縫(feng)(feng)跡(ji)(ji)(ji)的(de)(de)密(mi)度。如厚型(xing)織物的(de)(de)平(ping)(ping)縫(feng)(feng)機縫(feng)(feng)跡(ji)(ji)(ji)密(mi)度控制在(zai)9~10針/2cm,包(bao)縫(feng)(feng)機縫(feng)(feng)跡(ji)(ji)(ji)密(mi)度為(wei)6~7針/2cm,薄型(xing)織物的(de)(de)平(ping)(ping)縫(feng)(feng)機縫(feng)(feng)跡(ji)(ji)(ji)密(mi)度控制在(zai)10~11針/2cm,包(bao)縫(feng)(feng)機縫(feng)(feng)跡(ji)(ji)(ji)密(mi)度為(wei)7~8針/2cm。

  2.縫線(xian) 一般純棉(mian)(mian)針織面(mian)料(liao)采(cai)用9.8tex×4或7.4tex×3的純棉(mian)(mian)及滌棉(mian)(mian)混紡線(xian),化纖針織面(mian)料(liao)采(cai)用7.8tex×2的彈力錦綸(lun)(lun)絲和5tex×6的錦綸(lun)(lun)線(xian)。縫線(xian)要達到下(xia)列質量要求:

  (1)縫紉機用純棉(mian)線(xian)(縫線(xian))應采用精(jing)梳(shu)棉(mian)線(xian),它具有較高的(de)強度和(he)均勻度。

  (2)縫(feng)線(xian)應具(ju)有一(yi)定的(de)彈(dan)性,可防止在縫(feng)紉(ren)過程中不會由于線(xian)的(de)曲折或(huo)壓擠發生斷線(xian)現象。

  (3)縫線必須具有柔(rou)軟性。

  (4)縫(feng)線(xian)(xian)必須(xu)條干(gan)均(jun)勻光(guang)滑(hua),減少縫(feng)線(xian)(xian)在線(xian)(xian)槽(cao)和(he)針孔中(zhong)受阻或摩擦,避(bi)免造成(cheng)斷線(xian)(xian)和(he)線(xian)(xian)跡張(zhang)力(li)不(bu)勻等疵點。

  3.縫(feng)(feng)針(zhen) 縫(feng)(feng)紉機針(zhen)又稱縫(feng)(feng)針(zhen)、機針(zhen)。為了達到(dao)縫(feng)(feng)針(zhen)與縫(feng)(feng)料、縫(feng)(feng)線(xian)的理想(xiang)配(pei)合,必(bi)須(xu)選(xuan)擇合適(shi)的縫(feng)(feng)針(zhen)。

  (六(liu))整燙

  針織服裝通過(guo)整燙(tang)使(shi)其外(wai)觀平整、尺(chi)寸準足。熨燙(tang)時在(zai)衣內套入襯(chen)板(ban)使(shi)產品保持一定的形狀和規格,襯(chen)板(ban)的尺(chi)寸比成(cheng)衣所要求的略大(da)些,以(yi)防(fang)回縮后規格過(guo)小。熨燙(tang)的溫度(du)一般(ban)控(kong)制在(zai)180℃~200℃之間(jian)較為安全,不易燙(tang)黃(huang)、焦(jiao)化。

  (七)成(cheng)品檢驗

  成品檢驗(yan)是(shi)產(chan)品出廠前的一(yi)次綜合(he)性檢驗(yan),包括外觀(guan)質(zhi)量和內在質(zhi)量兩(liang)大(da)項(xiang)目,外觀(guan)檢驗(yan)內容(rong)有尺寸公差、外觀(guan)疵點、縫(feng)跡牢度等。內在檢測項(xiang)目有面料單位面積(ji)重量、色牢度、縮水率等。

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