Haduwar roba part 2

Yawancin raka'a da masana'antu suna amfani da buɗaɗɗen mahaɗar roba.Babban fasalinsa shi ne cewa yana da babban sassauci da motsi, kuma ya dace musamman don haɗuwa da bambance-bambancen roba akai-akai, roba mai wuya, roba soso, da dai sauransu.

Lokacin haɗuwa tare da buɗaɗɗen niƙa, tsari na dosing yana da mahimmanci musamman.A karkashin yanayi na al'ada, ana saka danyen roba a cikin ratar nadi tare da ƙarshen dabaran latsawa, kuma ana sarrafa nisan mirgine a kusan 2mm (ɗaukakin mahaɗin roba mai inci 14 a matsayin misali) kuma a mirgine na tsawon mintuna 5.An samar da danyen manne a cikin fim mai santsi da rata, wanda aka nannade a kan abin nadi na gaba, kuma akwai adadin adadin manne da aka tara akan abin nadi.Wannan robar da aka tara ya kai kusan kashi 1/4 na adadin danyen robar, sannan a kara da magungunan hana tsufa da na’urorin kara kuzari, sannan a rika tafka robar sau da yawa.Manufar wannan ita ce sanya maganin antioxidant da hanzari ya tarwatse a cikin manne.A lokaci guda, ƙari na farko na antioxidant zai iya hana yanayin tsufa na thermal da ke faruwa a lokacin haɗuwa da roba mai zafi.Kuma wasu accelerators suna da tasirin filastik akan fili na roba.Sannan ana kara sinadarin Zinc oxide.Lokacin ƙara baƙar fata na carbon, yakamata a ƙara ɗan ƙaramin adadin a farkon, saboda wasu ɗanyen robar za su fito daga nadi da zarar an ƙara baƙar fata.Idan akwai wata alamar kashe-yi, daina ƙara baƙar carbon, sannan ƙara baƙar carbon bayan an naɗe robar a kusa da abin nadi a hankali.Akwai hanyoyi da yawa don ƙara carbon baki.Yawanci sun haɗa da: 1. Ƙara carbon baƙar fata tare da tsawon aiki na abin nadi;2. Ƙara carbon baƙar fata zuwa tsakiyar abin nadi;3. Ƙara shi kusa da ƙarshen baffle.A ganina, hanyoyin biyu na ƙarshe na ƙara baƙar fata carbon sun fi dacewa, wato, kawai an cire wani ɓangare na degumming daga abin nadi, kuma ba shi yiwuwa a cire duk abin nadi.Bayan an cire sinadarin roba daga nadi, ana matse baƙar carbon ɗin cikin sauƙi a cikin flakes, kuma ba shi da sauƙin tarwatsewa bayan an sake birgima.Musamman a lokacin da ake cuɗa robar mai ƙarfi, sulfur ana matse shi cikin flakes, wanda ke da wahalar tarwatsewa a cikin roba.Ba sake gyarawa ko wucewar sirara ba zai iya canza wurin “aljihu” mai launin rawaya da ke cikin fim ɗin.A takaice, lokacin ƙara baƙar carbon, ƙara ƙasa da yawa akai-akai.Kar a ɗauki matsala don zuba duk baƙin carbon a kan abin nadi.Matakin farko na ƙara baƙar fata carbon shine lokacin mafi sauri don "ci".Kada a ƙara mai laushi a wannan lokacin.Bayan ƙara rabin baƙar fata na carbon, ƙara rabin mai laushi, wanda zai iya hanzarta "ciyarwa".Sauran rabin mai laushi an ƙara shi tare da ragowar carbon baki.A cikin aiwatar da ƙara foda, ya kamata a sassauta nisan nadi a hankali don kiyaye robar da aka haɗa a cikin kewayon da ya dace, ta yadda foda a zahiri ya shiga cikin robar kuma ana iya haɗa shi da robar zuwa iyakar iyaka.A wannan mataki, an haramta shi sosai don yanke wuka, don kada ya shafi ingancin fili na roba.A cikin yanayin mai laushi da yawa, ana iya ƙara baƙar fata da mai laushi a cikin nau'in manna.Kada a ƙara stearic acid da wuri, yana da sauƙi don kashewa, yana da kyau a ƙara shi lokacin da har yanzu akwai baƙar fata na carbon a cikin littafin, sannan kuma a ƙara wakili mai ɓarna a mataki na gaba.Ana kuma ƙara wasu abubuwan da ke haifar da ɓarna yayin da har yanzu akwai ɗan baƙar carbon a kan abin nadi.Irin su wakilin vulcanizing DCP.Idan an cinye baki dayan carbon, DCP za ta yi zafi kuma a narke a cikin ruwa, wanda zai fada cikin tire.Ta wannan hanyar, za a rage yawan abubuwan da ke haifar da ɓarna a cikin fili.A sakamakon haka, ingancin fili na roba ya shafi, kuma yana iya haifar da rashin dafa abinci.Sabili da haka, ya kamata a ƙara wakilin vulcanizing a lokacin da ya dace, dangane da iri-iri.Bayan an ƙara kowane nau'i na masu haɗawa, ya zama dole a ƙara juyawa don yin haɗin roba daidai gwargwado.Yawancin lokaci, akwai "wukake takwas", "jakar alwatika", "juyawa", "kayan bakin ciki" da sauran hanyoyin juyawa.

"Wukake takwas" suna yankan wukake a kusurwar 45° tare da madaidaiciyar shugabanci na abin nadi, sau hudu a kowane gefe.Ragowar manne yana murɗa 90° kuma an ƙara shi zuwa abin nadi.Manufar ita ce cewa kayan roba suna jujjuya su a cikin kwatancen tsaye da a kwance, wanda zai dace da haɗuwa iri ɗaya."Jakar triangle" jakar filastik ce da aka yi ta zama alwatika ta ikon abin nadi."Rolling" shine a yanke wuka da hannu ɗaya, a mirgine kayan roba a cikin silinda da ɗayan hannun, sa'an nan kuma saka shi a cikin abin nadi.Manufar wannan ita ce a sanya mahaɗin roba daidai gwargwado.Duk da haka, "jakar triangle" da "mirgina" ba su dace da zafi mai zafi na kayan roba ba, wanda ke da sauƙin haifar da ƙonewa, kuma yana da aiki mai tsanani, don haka waɗannan hanyoyi guda biyu ba za a ba da shawarar ba.Juya lokaci 5 zuwa 6 mintuna.

Bayan an narkar da mahaɗin roba, wajibi ne a yi bakin ciki.Ayyuka sun tabbatar da cewa fili na bakin ciki na fili yana da tasiri sosai don tarwatsa ma'auni a cikin fili.Hanyar wucewa ta bakin ciki ita ce daidaita nisan abin nadi zuwa 0.1-0.5 mm, sanya kayan roba a cikin abin nadi, sannan a bar shi ya fada cikin tiren ciyarwa ta dabi'a.Bayan ya faɗi, juya kayan roba ta 90° akan abin nadi na sama.Ana maimaita wannan sau 5 zuwa 6.Idan zafin kayan roba ya yi yawa, dakatar da wucewar sirara, sannan a jira kayan roba ya huce kafin sirara don hana abin robar ya kona.

Bayan an gama wucewar bakin ciki, shakata nisan mirgina zuwa 4-5mm.Kafin a loda kayan robar a cikin motar, sai a cire wani dan karamin guntun robar a saka a cikin rollers.Manufar ita ce ta fitar da nisa na nadi, don hana na'urar hadawa ta roba daga yin mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar mummunar kashiya ta da aka watsa.Bayan an ɗora kayan roba a kan motar, dole ne a wuce ta cikin ratar nadi sau ɗaya, sannan a nannade shi a kan nadi na gaba, a ci gaba da juya shi na tsawon minti 2 zuwa 3, sannan a sauke shi kuma a kwantar da shi cikin lokaci.Fim ɗin yana da tsayi cm 80, faɗin 40 cm da kauri 0.4 cm.Hanyoyin sanyaya sun haɗa da sanyaya yanayi da sanyaya tankin ruwan sanyi, ya danganta da yanayin kowane raka'a.A lokaci guda, ya zama dole don kauce wa hulɗar tsakanin fim da ƙasa, yashi da sauran datti, don kada ya shafi ingancin fili na roba.

A cikin tsarin hadawa, ya kamata a sarrafa nisa na nadi sosai.Yanayin zafin jiki da ake buƙata don haɗuwa da nau'in roba daban-daban da kuma haɗuwa da nau'o'in nau'i na nau'i daban-daban sun bambanta, don haka zazzabi na abin nadi ya kamata a ƙware bisa ga takamaiman yanayi.

Wasu ma'aikatan hada-hadar roba suna da ra'ayoyi guda biyu da ba daidai ba: 1. Suna tsammanin cewa tsawon lokacin hadawa, yana haɓaka ingancin roba.Ba haka lamarin yake ba a aikace, saboda dalilan da aka bayyana a sama.2. An yi imani da cewa da sauri adadin manne da aka tara a sama da abin nadi an ƙara, da sauri da hadawa gudun zai zama.A gaskiya ma, idan babu wani manne da aka tara a tsakanin rollers ko kuma mannen da aka tara ya yi ƙanƙanta, za a iya danna foda cikin sauƙi kuma ya fada cikin tiren ciyarwa.Ta wannan hanyar, ban da yin tasiri ga ingancin roba mai gauraya, dole ne a sake tsaftace tiren ciyarwa, kuma ana ƙara foda mai faɗowa tsakanin rollers, wanda ake maimaita sau da yawa, wanda ke tsawaita lokacin hadawa kuma yana ƙara yawan aiki. tsanani.Tabbas, idan tarin manne ya yi yawa, saurin haɗuwa na foda zai ragu.Ana iya ganin cewa tarin manne da yawa ko kaɗan bai dace da haɗuwa ba.Saboda haka, dole ne a sami wani adadin manne da aka tara a tsakanin rollers yayin haɗuwa.A lokacin ƙulla, a gefe ɗaya, ana matse foda a cikin manne ta aikin ƙarfin injin.A sakamakon haka, lokacin haɗuwa yana raguwa, ƙarfin aiki yana raguwa, kuma ingancin fili na roba yana da kyau.