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減少漿紗機前分紗區斷頭的實踐

2019-09-18

減少漿紗機前分紗區斷頭的實踐

1、注重操作中的細節(jie),有(you)效減少前分紗區斷頭(tou)

操作(zuo)對漿紗(sha)質量的(de)影(ying)響是顯而(er)易見的(de)。訓練(lian)有(you)素的(de)擋車(che)工(gong)是漿紗(sha)質量的(de)保證,好的(de)擋車(che)工(gong)往往很重視細(xi)節(jie),所謂細(xi)節(jie)決(jue)定成敗(bai)。要有(you)效減(jian)少前分紗(sha)區(qu)經紗(sha)斷頭,操作(zuo)上應注重以(yi)下細(xi)節(jie):

(1)經(jing)軸接(jie)頭對接(jie)16股,使(shi)經(jing)紗(sha)(sha)平行退繞,可(ke)減少平筘長度,提高平筘質量,節約經(jing)紗(sha)(sha)。

(2)調節經(jing)軸(zhou)左右位置(zhi),使經(jing)紗紗片退繞時邊部(bu)對齊,防止邊部(bu)打卷和粘并。

(3)發現經(jing)(jing)軸(zhou)上有(you)絞頭(tou)要及(ji)時(shi)解絞,經(jing)(jing)軸(zhou)上有(you)絞頭(tou)經(jing)(jing)紗退繞(rao)時(shi)經(jing)(jing)紗容(rong)易(yi)拉傷,有(you)的還會拉斷,經(jing)(jing)紗拉傷后在前分(fen)紗區分(fen)絞時(shi)易(yi)產生(sheng)斷頭(tou)。

(4)起機平(ping)(ping)筘很重(zhong)要,平(ping)(ping)筘動作要輕,快,要求每(mei)個經軸邊紗(sha)要對齊,紗(sha)片(pian)均勻,經紗(sha)平(ping)(ping)行,紗(sha)片(pian)邊部不能(neng)厚。

(5)平筘(kou)(kou)(kou)后換好織軸開慢車時(shi),由于(yu)經(jing)紗(sha)(sha)上下錯層或經(jing)紗(sha)(sha)不(bu)平行時(shi),筘(kou)(kou)(kou)齒(chi)會(hui)被經(jing)紗(sha)(sha)拉得(de)前后跳動(dong),這時(shi)一定要把跳動(dong)筘(kou)(kou)(kou)齒(chi)附近的(de)經(jing)紗(sha)(sha)整(zheng)理一下,使(shi)上下經(jing)紗(sha)(sha)層次分明,平行,保(bao)證經(jing)紗(sha)(sha)過(guo)筘(kou)(kou)(kou)通(tong)暢,避免經(jing)紗(sha)(sha)過(guo)筘(kou)(kou)(kou)時(shi)被筘(kou)(kou)(kou)齒(chi)絞斷。有的(de)筘(kou)(kou)(kou)齒(chi)跳動(dong)幅度(du)(du)較大,用眼睛可(ke)以(yi)看到,有的(de)筘(kou)(kou)(kou)齒(chi)跳動(dong)幅度(du)(du)較小,用眼睛看不(bu)到時(shi),可(ke)把手放在筘(kou)(kou)(kou)齒(chi)上方(fang),如有筘(kou)(kou)(kou)齒(chi)的(de)跳動(dong),手可(ke)以(yi)感覺(jue)到。出現上述問題時(shi),要及時(shi)整(zheng)理好絞筘(kou)(kou)(kou)的(de)經(jing)紗(sha)(sha),避免開快車時(shi)筘(kou)(kou)(kou)齒(chi)絞斷經(jing)紗(sha)(sha)。

(6)穿絞(jiao)時(shi),由于(yu)絞(jiao)繩(sheng)處(chu)經紗(sha)(sha)(sha)上(shang)漿較大,在前分紗(sha)(sha)(sha)區拉動絞(jiao)繩(sheng)分開經紗(sha)(sha)(sha)時(shi)也很容(rong)易拉斷(duan)經紗(sha)(sha)(sha),會(hui)集中產生(sheng)斷(duan)頭,如果(guo)在穿絞(jiao)的(de)安排上(shang)把穿絞(jiao)處(chu)的(de)這段(duan)經紗(sha)(sha)(sha)正好與生(sheng)頭包(bao)布一起卷在織軸(zhou)的(de)軸(zhou)芯(xin)上(shang),那么織軸(zhou)在布機(ji)了機(ji)時(shi),穿絞(jiao)處(chu)的(de)這段(duan)經紗(sha)(sha)(sha)就是(shi)布面的(de)了機(ji)回絲,也就是(shi)穿絞(jiao)處(chu)的(de)這段(duan)經紗(sha)(sha)(sha)即使有(you)斷(duan)頭,也不會(hui)影響到(dao)布機(ji)的(de)效率。

(7)穿完絞(jiao)(jiao)后,或多或少會在穿絞(jiao)(jiao)的這(zhe)(zhe)段經(jing)紗上(shang)產(chan)生(sheng)一些斷頭(tou)(tou)(tou),如果馬上(shang)正常開(kai)車,穿絞(jiao)(jiao)時(shi)(shi)產(chan)生(sheng)的斷頭(tou)(tou)(tou)就會絞(jiao)(jiao)筘(kou),這(zhe)(zhe)時(shi)(shi)如果開(kai)慢車,等(deng)(deng)穿絞(jiao)(jiao)的這(zhe)(zhe)段經(jing)紗過(guo)筘(kou)后,把(ba)(ba)筘(kou)打下,等(deng)(deng)經(jing)紗前行(xing)30~40厘米,同(tong)時(shi)(shi)稍微平筘(kou),再把(ba)(ba)筘(kou)打起,這(zhe)(zhe)樣(yang)處理,可以把(ba)(ba)穿絞(jiao)(jiao)時(shi)(shi)的斷頭(tou)(tou)(tou)產(chan)生(sheng)的絞(jiao)(jiao)筘(kou)放過(guo)筘(kou),一至產(chan)生(sheng)新的斷頭(tou)(tou)(tou)絞(jiao)(jiao)筘(kou)。

(8)帶漿穿絞(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)時(shi),每根絞(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)繩(sheng)(sheng)(sheng)出(chu)漿槽時(shi)兩(liang)個擋車工分(fen)別(bie)站在漿槽的(de)(de)左右(you)兩(liang)邊(bian),拉住絞(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)繩(sheng)(sheng)(sheng)兩(liang)端(duan),沿紗(sha)(sha)片方向前后拉動約40厘米寬,這樣(yang)使經紗(sha)(sha)在濕紗(sha)(sha)時(shi)預(yu)分(fen)紗(sha)(sha)一次,便于(yu)穿絞(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)時(shi)絞(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)繩(sheng)(sheng)(sheng)在干(gan)區順(shun)利地分(fen)紗(sha)(sha),可減(jian)小絞(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)繩(sheng)(sheng)(sheng)在干(gan)區分(fen)紗(sha)(sha)的(de)(de)難(nan)度,有(you)效地減(jian)少了絞(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)繩(sheng)(sheng)(sheng)分(fen)紗(sha)(sha)時(shi)的(de)(de)斷頭。

(9)慢(man)車操作動作要快,盡量減少開慢(man)車的(de)時(shi)間,避免慢(man)車時(shi)間過(guo)長經紗(sha)在(zai)烘筒(tong)上造成(cheng)過(guo)烘,在(zai)前分(fen)(fen)紗(sha)區分(fen)(fen)紗(sha)時(shi)產生脆斷。

(10)處理前(qian)分紗(sha)區斷(duan)頭時,拉出斷(duan)頭的經(jing)紗(sha),盡可(ke)能放回(hui)(hui)原(yuan)位(wei)(wei),如果不能放回(hui)(hui)原(yuan)位(wei)(wei),這根(gen)經(jing)紗(sha)有可(ke)能被(bei)再次絞(jiao)斷(duan),這就要求擋車工把(ba)斷(duan)紗(sha)放回(hui)(hui)筘后要整理一下經(jing)紗(sha),避免再次被(bei)絞(jiao)斷(duan)。

2、工藝的適當調整(zheng),對(dui)減少前分區經紗斷頭的好處

(1)回潮偏(pian)大設(she)置。適當加大漿紗回潮,可(ke)以使漿紗柔(rou)軟有彈性,分紗時不易(yi)產生脆斷,回潮設(she)置8.5%~9.5%為(wei)宜。

(2)主烘(hong)(hong)(hong)(hong)筒溫度(du)可偏(pian)小(xiao)(xiao)設置。漿(jiang)紗(sha)的(de)(de)烘(hong)(hong)(hong)(hong)干是通過兩個漿(jiang)槽的(de)(de)各一(yi)組(zu)預烘(hong)(hong)(hong)(hong)和一(yi)組(zu)主烘(hong)(hong)(hong)(hong)共(gong)同(tong)完(wan)成的(de)(de),預烘(hong)(hong)(hong)(hong)是烘(hong)(hong)(hong)(hong)剛出漿(jiang)槽的(de)(de)含水重的(de)(de)紗(sha),主烘(hong)(hong)(hong)(hong)是烘(hong)(hong)(hong)(hong)經過一(yi)次預烘(hong)(hong)(hong)(hong)的(de)(de)紗(sha),含水量較(jiao)小(xiao)(xiao),容易(yi)(yi)烘(hong)(hong)(hong)(hong)干,如(ru)果主烘(hong)(hong)(hong)(hong)筒溫設置較(jiao)大(da),漿(jiang)紗(sha)機因故要開慢車時,很(hen)容易(yi)(yi)對經紗(sha)造成過烘(hong)(hong)(hong)(hong),產生脆斷。如(ru)果主烘(hong)(hong)(hong)(hong)筒溫度(du)偏(pian)小(xiao)(xiao)設置,也可減輕過烘(hong)(hong)(hong)(hong)成度(du)。

(3)采(cai)用經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)出(chu)漿(jiang)(jiang)槽(cao)不分(fen)層的(de)(de)(de)(de)(de)上(shang)機工藝,改變紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)在烘(hong)(hong)區(qu)的(de)(de)(de)(de)(de)走(zou)向(xiang),增(zeng)大(da)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)的(de)(de)(de)(de)(de)覆(fu)蓋(gai)(gai)系(xi)數,可(ke)有效改善紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)邊部(bu)(bu)和(he)內部(bu)(bu)扭(niu)轉、打(da)結(jie)(jie),減少(shao)干分(fen)區(qu)分(fen)絞時的(de)(de)(de)(de)(de)斷頭(tou)。漿(jiang)(jiang)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)出(chu)漿(jiang)(jiang)槽(cao)能(neng)(neng)(neng)否形(xing)(xing)(xing)成(cheng)(cheng)完(wan)整(zheng)(zheng)(zheng)的(de)(de)(de)(de)(de)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian),取決(jue)于經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)間(jian)的(de)(de)(de)(de)(de)毛(mao)(mao)羽(yu)是否能(neng)(neng)(neng)伸(shen)(shen)到相(xiang)鄰的(de)(de)(de)(de)(de)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)上(shang),如果能(neng)(neng)(neng)伸(shen)(shen)到相(xiang)鄰的(de)(de)(de)(de)(de)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)上(shang),出(chu)漿(jiang)(jiang)槽(cao)的(de)(de)(de)(de)(de)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)上(shang)漿(jiang)(jiang)后漿(jiang)(jiang)液就將(jiang)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)和(he)毛(mao)(mao)羽(yu)粘(zhan)在一起,形(xing)(xing)(xing)成(cheng)(cheng)完(wan)整(zheng)(zheng)(zheng)的(de)(de)(de)(de)(de)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian),無論烘(hong)(hong)區(qu)張力怎么變化,紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)內部(bu)(bu)是不會扭(niu)轉的(de)(de)(de)(de)(de)。實際生產中(zhong),當(dang)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)的(de)(de)(de)(de)(de)覆(fu)蓋(gai)(gai)系(xi)數適當(dang),經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)張力小(xiao)(xiao)時,只有邊部(bu)(bu)容(rong)易卷邊,造(zao)(zao)成(cheng)(cheng)分(fen)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)時邊部(bu)(bu)斷頭(tou)。當(dang)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)的(de)(de)(de)(de)(de)覆(fu)蓋(gai)(gai)系(xi)數不夠(gou)大(da),經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)不能(neng)(neng)(neng)形(xing)(xing)(xing)成(cheng)(cheng)完(wan)整(zheng)(zheng)(zheng)的(de)(de)(de)(de)(de)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian),整(zheng)(zheng)(zheng)幅(fu)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)只能(neng)(neng)(neng)形(xing)(xing)(xing)成(cheng)(cheng)許多小(xiao)(xiao)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)束,當(dang)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)張力小(xiao)(xiao)時,邊部(bu)(bu)和(he)內部(bu)(bu)的(de)(de)(de)(de)(de)小(xiao)(xiao)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)束都會產生扭(niu)轉、打(da)結(jie)(jie),在分(fen)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)時造(zao)(zao)成(cheng)(cheng)的(de)(de)(de)(de)(de)斷頭(tou)會更多。尤其(qi)是生產集聚紡和(he)氣流紡產品時,紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)線毛(mao)(mao)羽(yu)少(shao)且短(duan),這(zhe)種現象就更為(wei)嚴重。這(zhe)時采(cai)用經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)出(chu)漿(jiang)(jiang)槽(cao)不分(fen)層進預烘(hong)(hong)可(ke)以增(zeng)加(jia)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)在烘(hong)(hong)區(qu)的(de)(de)(de)(de)(de)覆(fu)蓋(gai)(gai)系(xi)數,不至于撕(si)破(po)濕紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian),破(po)壞紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)的(de)(de)(de)(de)(de)完(wan)整(zheng)(zheng)(zheng),可(ke)大(da)大(da)減少(shao)前分(fen)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)區(qu)斷頭(tou)。當(dang)經(jing)(jing)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)覆(fu)蓋(gai)(gai)系(xi)數過小(xiao)(xiao)時,可(ke)采(cai)用走(zou)單漿(jiang)(jiang)槽(cao)漿(jiang)(jiang)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)方法來增(zeng)加(jia)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)片(pian)的(de)(de)(de)(de)(de)覆(fu)蓋(gai)(gai)系(xi)數,從而(er)達到減少(shao)前分(fen)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)區(qu)斷頭(tou)的(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)。單漿(jiang)(jiang)槽(cao)漿(jiang)(jiang)紗(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)因為(wei)增(zeng)加(jia)了漿(jiang)(jiang)槽(cao)的(de)(de)(de)(de)(de)覆(fu)蓋(gai)(gai)系(xi)數,上(shang)漿(jiang)(jiang)會困(kun)難些,要在調漿(jiang)(jiang)工藝上(shang)稍作調整(zheng)(zheng)(zheng),確保上(shang)漿(jiang)(jiang)質量(liang)。

(4)適當加(jia)大烘區慢(man)車(che)時的(de)(張(zhang)力)牽伸。出漿槽(cao)的(de)經紗卷邊(bian)是(shi)在漿紗機開慢(man)車(che)時產生的(de),正常速度開車(che)時是(shi)不會卷邊(bian)的(de),所以可(ke)(ke)(ke)以適當加(jia)大設(she)置慢(man)車(che)時的(de)(張(zhang)力)牽伸,可(ke)(ke)(ke)以減(jian)輕經紗卷邊(bian)的(de)成度,也可(ke)(ke)(ke)以達到減(jian)少前分紗區斷(duan)頭的(de)目的(de)。

3、對設備的要求是減(jian)少前分紗區經(jing)紗斷頭的保障

(1)經紗(sha)(sha)通道清潔。通道清潔是漿(jiang)紗(sha)(sha)的必要(yao)條件,漿(jiang)輥上附(fu)著漿(jiang)片(pian)容易造成漿(jiang)斑疵點(dian)或(huo)斷(duan)頭,漿(jiang)輥和導輥間附(fu)著堅硬的異物(wu),容易壓傷或(huo)壓斷(duan)經紗(sha)(sha),嚴(yan)重的在漿(jiang)槽就斷(duan)頭,不嚴(yan)重的在前分紗(sha)(sha)區也會造成斷(duan)頭。

( 2)金屬(shu)(shu)輥上的(de)(de)(de)(de)(de)刀(dao)痕要及時(shi)修復。金屬(shu)(shu)輥上的(de)(de)(de)(de)(de)刀(dao)痕是處理金屬(shu)(shu)輥上的(de)(de)(de)(de)(de)斷(duan)頭時(shi),由(you)于(yu)錯誤(wu)的(de)(de)(de)(de)(de)割(ge)紗方法(fa)造(zao)(zao)成的(de)(de)(de)(de)(de),它(ta)會象刀(dao)口一樣會割(ge)傷(shang)(shang)經紗,及時(shi)修復刀(dao)痕可以(yi)有效(xiao)減(jian)少由(you)此造(zao)(zao)成的(de)(de)(de)(de)(de)經紗斷(duan)頭。在(zai)操(cao)作(zuo)上要正確(que)按平挑(tiao)法(fa)割(ge)紗,減(jian)少對金屬(shu)(shu)輥的(de)(de)(de)(de)(de)傷(shang)(shang)害。

(3)烘(hong)筒的(de)薄膜(mo)閥(fa)開關要靈(ling)敏。經(jing)紗是靠烘(hong)筒進(jin)行烘(hong)干(gan)的(de),烘(hong)筒正常開車時(shi),溫度(du)在80-100之間。在漿(jiang)紗處理(li)斷頭操作、穿絞操作、落軸(zhou)操作處理(li)斷頭時(shi),必(bi)須開慢車,開慢車時(shi),烘(hong)筒蒸汽(qi)閥(fa)漏氣就會使烘(hong)筒的(de)溫度(du)急劇上升(sheng),經(jing)紗長時(shi)間過(guo)度(du)烘(hong)烤會造(zao)成前(qian)分(fen)紗區(qu)經(jing)紗脆斷。烘(hong)筒薄膜(mo)閥(fa)的(de)良好(hao)開關作用可避免慢車時(shi)烘(hong)筒溫度(du)上升(sheng)過(guo)快(kuai),對(dui)經(jing)紗造(zao)成過(guo)烘(hong)而(er)引(yin)起的(de)斷頭。

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地(di)址:江蘇省射陽縣機場路(后羿射日大球向(xiang)

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