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Isiphakeli se-drum weft esinyakazayo

Abaphakeli bokuqala be-weft ngokuvamile izigubhu ezihambayo, njengoba kuboniswe esithombeni. Isigubhu sokugcina intambo 6 sizungeza i-eksisi yaso ukusonta intambo yokusonta esigubhuni ukuze kuqedelwe ukusonteka kwentambo yesiphakeli se-weft esinyakazayo. Ukuqina okusongayo kwentambo ye-weft kulungiswa i-tensioner ye-weft feeder 3. Isakhiwo sesiphakeli se-weft esithatha le ndlela yokusonta silula.
Indandatho yokudambisa engu-5 phambi kwesigubhu sokugcina intambo yenziwe ngamabristle noma inayiloni. Iringi yokudambisa yenza ukungezwani okunganqamuki entanjeni eyi-weft, futhi ngesikhathi esifanayo ilawula iluphu yentambo endaweni yesigubhu, ukuze ukunyakaza okusongayo kwentambo esigubhu sokugcina ucu kwenziwe ngokujwayelekile. Iringi yokumanzisa iphinde ivimbele amathuba okuthi intambo ye-weft ilahlwe kude nesigubhu sokugcina ukuze yakhe iringi yomoya lapho intambo ye-weft ivuleka, futhi ivimbela ukuhlangana kwentambo. Ekupheleni kokuqaqa, iringi yokudambisa ivimbela indawo ehlukanisayo ye-weft endaweni yesigubhu ukuvimbela i-weft ukuthi ingakhishelwa ngaphandle ngokweqile. Indandatho yokudambisa ihlukaniswe yaba isiqondiso esithi "S" kanye nesiqondiso "Z", esifanele "S" twist noma "Z" twist weft ntambo. Ububanzi be-bristles noma i-nylon filaments bubuye buhlukaniswe bube bugqinsi futhi buncane ngokusho kobuhle be-weft.
Ithuluzi lokuhlola umthamo wesitoreji lisetshenziselwa ukulawula umthamo wokugcina wentambo ye-weft esigubhuni sokugcina intambo. Lapho intambo igcinwe endaweni eqondaniswe nedivayisi yokubona i-photoelectric reflection, indawo yesibuko iyambozwa, futhi idivayisi yokuhlonza ithumela isignali ukumisa isigubhu sokugcina intambo. Usayizi wesitoreji ulungiswa ngokuma kwedivayisi yokuthola ukunyakaza. Umthamo wokugcina uthinta ikhwalithi yokugcina izintambo. Uma umthamo wokugcina umncane kakhulu, intambo esesigubhuni sokugcina izothululwa. Uma umthamo wokugcina mkhulu kakhulu, uzodala izinkinga ezinjengobunzima bokusonteka, ukuhlelwa kwentambo engalingani noma imicu egqagqene.
Uma ucu olulukiwe lulinyazwa esigubhuni sokugcina, luqala ukulinyazwa engxenyeni eyisiyingi yesigqoko sokugcina, bese lushelela engxenyeni yesilinda ngaphansi kwesenzo sokushuba. I-engeli ye-cone apex yendawo yekhoni inezidingo ezithile, ukuze kuthi lapho intambo endaweni yekhoni ishelela engxenyeni eyisilinda, ingasunduza imicu ye-weft endaweni eyi-cylindrical ukuze iye phambili, yakhe iluphu yentambo evamile ehlelwe ngokuqinile. Njengoba umsebenzi wokuhlelwa kwentambo ungenziwa ngendlela ekhethekile yokuhlela intambo, le ndlela yokuhlela intambo ibizwa ngokuthi indlela yokuhlela intambo. Umthelela wokuhlelwa kwentambo engalungile uhlobene eduze nokuma kwesigubhu sokugcina intambo. Ucwaningo lwetiyori luye lwafakazela ukuthi umphumela wokuhlelwa kwentambo ungcono uma i-engeli yekhoni ephezulu yengxenye yekhoni yesigubhu sokugcina intambo ingu-135°. Ngesikhathi esifanayo, ukungezwani okwenziwa i-feed tensioner ku-weft kuphinde kuthinte umphumela wokuhlelwa kwentambo yesigubhu sokugcina intambo. Ukucindezeleka okwedlulele kuzokwandisa ukumelana nokuhamba phambili kwe-loop yentambo endaweni eyi-cylindrical. Uma ukungezwani kukuncane kakhulu, intambo endaweni eyi-conical izophikisa. Ukujula kweluphu yentambo endaweni eyisilinda akwanele.
Isivinini sesigubhu sokugcina intambo singashintshwa. Ukuze unciphise isikhathi sokumisa isigubhu ngangokunokwenzeka futhi wenze inqubo yokuhlehlisa iphakheji icishe iqhubeke, isivinini sesigubhu sokugcina kufanele silungiswe sibe phansi, kodwa ukunikezwa kwe-weft kufanele kwaneliseke. Isivinini esiphansi kakhulu sesigubhu sokugcina yilesi:
nmin=(1+a)nLk/(πd)
Kufomula: nmin———isivinini esincane sesigubhu sokugcina intambo;
n ——— Ijubane elijikelezayo le-loom;)
Lk --- ububanzi bomhlanga phezu kohlaka;
d———ububanzi bengxenye ejikajikayo yesigubhu sokugcina intambo;
a—Izinga lokwengeza nokukhululwa kucatshangelwa i-selvage nezinye izici, ezivezwe njengephesenti.
Isigubhu sokugcina intambo yesiphakeli sezigubhu ezihambayo sinesikhathi esithile sokungabi nalutho, esilingana nesikwele sobubanzi besigubhu. Umzuzu omkhulu we-inertia, kungathandeki kakhulu ukuqala nokubhuleka njalo ngesikhathi senqubo yokugcina i-weft, ngakho ububanzi besigubhu akufanele bube bukhulu kakhulu. Inombolo yokuphenduka kwentambo egcinwe esigubhu sokugcina intambo ilingana ngokuphambene nobubanzi besigubhu. Ububanzi obuncane kakhulu buzoletha ukonakala kokwandisa inani lezintambo ezigciniwe eziphendukayo, okuholela ebunzimeni ekuhleleni intambo kanye nezihibe zezintambo ezigqagqene. Ngalesi sizathu, ububanzi besigubhu kufanele kukhethwe ngendlela efanele, ngokuvamile mayelana 100mm.