Manufar riga-kafi da tsari

    Manufar masana'anta pre ƙulla ƙarewa shine don ƙaddamar da masana'anta zuwa wani takamaiman matsayi a cikin warp da saƙar kwatance, don rage raguwar ƙimar samfurin ƙarshe da kuma biyan buƙatun ingancin sarrafa sutura.

    A lokacin aikin rini da ƙarewa, masana'anta suna fuskantar tashin hankali a cikin jagorar warp, wanda ya haifar da raguwa a cikin tsayin igiyoyin lankwasa warp da kuma abin da ya faru na elongation. Lokacin da masana'anta na fiber hydrophilic suka jiƙa kuma sun jiƙa, zaruruwan suna kumbura, kuma diamita na yadudduka na yadudduka na yadudduka suna karuwa, wanda ya haifar da karuwa a tsayin igiyoyin lanƙwasa na yarn na warp, raguwa a tsayin masana'anta, da samuwar raguwa. Rage kaso na tsawon idan aka kwatanta da tsayin asali ana kiran ƙimar raguwa.

    Tsarin gamawa na rage raguwar yadudduka bayan nutsewa cikin ruwa ta amfani da hanyoyin jiki, wanda kuma aka sani da gamawar pre shrinkage na inji. Preshrinking na inji shine a jika masana'anta ta hanyar fesa tururi ko feshi, sannan a shafa extrusion na injina na tsayi don ƙara tsayin igiyar igiyar ruwa, sannan a bushe bushewa. Za a iya rage yawan raguwar masana'anta da aka riga aka yanke zuwa ƙasa da 1%, kuma saboda matsewar juna da shafa tsakanin zaruruwa da yadudduka, za a kuma inganta laushin yanayin masana'antar.