Spunbond Multitexx ya ntchito zovuta kupanga nonwovens.

Monga membala wa gulu la Dörken, Multitexx imatengera zaka pafupifupi makumi awiri pakupanga ma spunbond.
Kuti akwaniritse zofuna za ma spunbond nonwovens opepuka, amphamvu kwambiri, Multitexx, kampani yatsopano yomwe ili ku Herdecke, Germany, imapereka ma spunbond nonwovens opangidwa kuchokera ku poliyesitala wapamwamba kwambiri (PET) ndi polypropylene (PP) pakugwiritsa ntchito movutikira.
Monga membala wa gulu lapadziko lonse la Dörken, Multitexx imatengera zaka pafupifupi makumi awiri pakupanga spunbond. Kampani ya makolo idakhazikitsidwa zaka 125 zapitazo ndipo idayamba kupanga ndikupanga zomangira za denga la 1960s. Mu 2001, Dörken adapeza chingwe chopangira spunbond cha Reicofil ndikuyamba kupanga zida zake za spunbond pamsika wophatikizika wa laminate.
"Pambuyo pa zaka 15, kukula kwachangu kwa bizinesi kunapangitsa kuti pakhale kufunikira kogula mzere wachiwiri wa Reicofil wapamwamba," kampaniyo ikufotokoza. "Izi zidathetsa vuto la kuchuluka kwa anthu ku Dörken komanso zidapereka chilimbikitso popanga Multitexx." Kuyambira Januware 2015, kampani yatsopanoyi yakhala ikugulitsa zida zapamwamba za spunbond zopangidwa kuchokera ku polyester ya calendered kapena polypropylene.
Mizere iwiri ya Reicofil ya Gulu la Dörken imatha kusinthana kugwiritsa ntchito ma polima awiri ndikupanga spunbond kuchokera kuzinthu zilizonse zokhala ndi kachulukidwe kochepa komanso kusasinthasintha kwambiri. Polima imalowa mumzere wopangira kudzera mumizere yosiyana ya chakudya yosinthidwa kuti ikhale yoyenera. Popeza polyester particles agglomerate pa 80 ° C, ayenera choyamba crystallized ndi zouma pamaso extrusion. Kenako amadyetsedwa m'chipinda cha dosing, chomwe chimadyetsa extruder. Kutentha kwa extrusion ndi kusungunuka kwa polyester ndikokwera kwambiri kuposa kwa polypropylene. Polima wosungunuka (PET kapena PP) ndiye amaponyedwa mu mpope wozungulira.
Chosungunukacho chimadyetsedwa mukufa ndikugawidwa bwino pamtunda wonse wa mzere wopanga pogwiritsa ntchito kufa kwachidutswa chimodzi. Chifukwa cha kapangidwe kake kachidutswa chimodzi (chopangidwira mzere wopangira ntchito m'lifupi mwake mamita 3.2), nkhungu imalepheretsa zolakwika zomwe zingathe kupanga muzinthu zopanda nsalu chifukwa cha zitsulo zopangidwa ndi nkhungu zamitundu yambiri. Choncho, ma spinnerets a Reicofil amatulutsa mafilamenti a monofilament okhala ndi ulusi umodzi wa pafupifupi 2.5 dtex. Kenako amatambasulidwa m’zingwe zopanda malire kudzera m’zingwe zazitali zodzaza ndi mpweya pa kutentha kolamulidwa ndi mphepo yamphamvu.
Chodziwika bwino cha zinthu za spunbond izi ndi mawonekedwe ozungulira opangidwa ndi ma hot-calender embossing rollers. Kujambula kozungulira kumapangidwa kuti kuwonjezere mphamvu zolimba zazinthu zopanda nsalu. Pambuyo pake, nsalu yapamwamba kwambiri ya spunbond nonwoven imadutsa magawo monga mzere wozizirira, kuyang'ana zolakwika, kudula, kudula ndi kupindika, ndipo pamapeto pake imafika kutumiza.
Multitexx imapereka zida za polyester spunbond zokhala ndi filament fineness pafupifupi 2.5 dtex ndi kachulukidwe kuchokera 15 mpaka 150 g/m². Kuphatikiza pa kufanana kwakukulu, makhalidwe azinthu amanenedwa kuti akuphatikizapo mphamvu zowonongeka, kukana kutentha ndi kuchepa kwambiri. Pazinthu za spunbond polypropylene, zopanda nsalu zopangidwa kuchokera ku ulusi woyera wa polypropylene wokhala ndi kachulukidwe kuyambira 17 mpaka 100 g/m² zilipo.
Wogula wamkulu wa Multitexx spunbond nsalu ndi makampani amagalimoto. M'makampani amagalimoto, mitundu ingapo ya spunbond imagwiritsidwa ntchito, mwachitsanzo, kutsekereza mawu, kutsekereza magetsi kapena zinthu zosefera. Kampaniyo ikuti kufanana kwawo kwakukulu kumawapangitsanso kukhala oyenerera kusefedwa kwa zakumwa, zomwe zimagwiritsidwa ntchito bwino pazinthu zingapo kuyambira pakudula kusefera kwamadzi mpaka kusefera kwa mowa.
Mizere yonse iwiri ya spunbond imagwira ntchito usana ndi usiku ndipo imagwiranso ntchito kwambiri. Malinga ndi kampaniyi, lupu ya GKD ya CONDUCTIVE 7701 ndi mamita 3.8 m’lifupi ndi pafupifupi mamita 33 m’litali, imakwaniritsa miyezo ingapo ndipo ndiyoyenera kukakamiza kwanthawi yayitali. Mapangidwe a tepi amalimbikitsa kupuma bwino komanso kufanana kwa mauna. Zimanenedwanso kuti kumasuka kwa malamba a GKD kumapangitsa kuti ntchito zitheke.
"Ponena za katundu wa mankhwala, malamba a GKD mosakayikira ndi malamba abwino kwambiri pamzere wathu," anatero Andreas Falkowski, Mtsogoleri wa Gulu la Spunbond Line 1. Pachifukwa ichi, tayitanitsa lamba wina kuchokera ku GKD ndipo tsopano tikukonzekera kupanga. Nthawi ino ikhala lamba watsopano wa CONDUCTIVE 7690, womwe umakhala ndi lamba wokulirapo kwambiri polowera ulendo.
Kapangidwe kameneka kakuti kamapereka lamba wonyamula katundu wokhala ndi chogwirizira chapadera chomwe chimapangidwira kuti chiwongolere bwino m'malo osungiramo zinthu ndikuwonjezera kuyeretsa bwino kwa lamba wotumizira. "Sitinakhalepo ndi vuto kuyambira titasintha malamba, koma malo okhwima ayenera kupangitsa kuti zikhale zosavuta kuchotsa madontho m'malamba," akutero Andreas Falkowski.
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