1.Filastik tacewa
Ma'anar yin filastik: Al'amarin da ke canza roba daga wani abu na roba zuwa wani abu na filastik a ƙarƙashin rinjayar abubuwan waje ana kiransa filastik.
(1)Manufar Gyara
a.Ba da damar ɗanyen roba don cimma wani takamaiman matakin filastik, wanda ya dace da matakai na gaba na haɗuwa da sauran matakai
b.Haɗa filastik ɗanyen roba kuma tabbatar da ingancin kayan roba
(2)Ƙaddamar da fili na filastik da ake buƙata: Mooney sama da 60 (na ka'ida) Mooney sama da 90 (ainihin)
(3)Injin tace filastik:
a. Buɗe niƙa
Siffofin: Babban ƙarfin aiki, ƙarancin samar da ingantaccen aiki, yanayin aiki mara kyau, amma yana da sauƙin sassauƙa, tare da ƙarancin saka hannun jari, kuma ya dace da yanayi tare da sauye-sauye da yawa Matsayin sauri na ganguna biyu na buɗaɗɗen niƙa: gaba da baya (1: 1.15) -1.27)
Hanyoyin aiki: Hanyar gyare-gyaren filastik na bakin ciki, hanyar gyaran filastik nadi, Hanyar hawan firam, hanyar filastik sinadarai
Lokacin aiki: Lokacin yin gyare-gyare bai kamata ya wuce minti 20 ba, kuma lokacin ajiye motoci ya kamata ya kasance 4-8 hours.
b.Mai hadawa na ciki
Fasaloli: Babban haɓakar samarwa, aiki mai sauƙi, ƙarancin ƙarfin aiki, da ƙarancin filastik iri ɗaya. Duk da haka, yawan zafin jiki na iya haifar da raguwa a cikin kayan aiki na jiki da na inji na kayan roba
Hanyar Aiki: Auna → Ciyarwa → Filastik → Fitarwa → Juyawa → Latsa → Sanyaya da saukewa → Adanawa
Lokacin Aiki: Minti 10-15 Lokacin Yin Kiliya: 4-6 hours
(4)roba roba akai-akai
Kayayyakin roba waɗanda galibi ana buƙatar gyare-gyare sun haɗa da NR, NBR mai wuya, roba mai ƙarfi, da waɗanda ke da ƙimar Mooney na 90 ko sama
2.Hadawa
Ma'anar hadawa shine ƙara nau'ikan addittu daban-daban zuwa roba don yin roba mai gauraya
(1)Bude mahaɗin don haɗawa
a.Wrapping abin nadi: Kunna danyen roba a kan abin nadi na gaba da kuma samun ɗan gajeren tsari preheating na 3-5 minutes
b.Tsarin cin abinci: Ƙara abubuwan da ake buƙata don ƙarawa a cikin wani tsari. Lokacin ƙarawa, kula da ƙarar manne da aka tara. Ƙananan yana da wuyar haɗuwa, yayin da ƙari zai yi birgima kuma ba zai zama sauƙin haɗuwa ba
Jerin ciyarwa: danyen roba → wakili mai aiki, taimakon sarrafawa → sulfur → cikawa, wakili mai laushi, mai watsawa → taimakon sarrafawa → mai haɓakawa
c.Tsarin tacewa: zai iya haɗawa mafi kyau, sauri, kuma mafi daidai
Hanyar wuƙa: a. Hanyar wuka mai tsini (hanyar wuƙa takwas) b. Hanyar rufe alwatika c. Hanyar aiki ta murguda d. Hanyar manne (hanyar wuƙa ta tafiya)
d.Dabarar ƙididdige ƙarfin ɗaukar nauyi na buɗaɗɗen niƙa shine V = 0.0065 * D * L, inda V - ƙarar D shine diamita na abin nadi (cm) kuma L shine tsayin abin nadi (cm)
e.Zazzabi na abin nadi: 50-60 digiri
f.Lokacin hadawa: Babu takamaiman ƙa'ida, ya dogara da ƙwarewar mai aiki
(2)Haɗin mahaɗar ciki:
a.Haɗin mataki ɗaya: Bayan mataki ɗaya na haɗuwa, tsarin haɗawa shine kamar haka: danyen roba → ƙaramin abu → wakili mai ƙarfafawa → softener → zubar da roba → ƙari na sulfur da totur zuwa latsa kwamfutar hannu → saukewa → sanyaya da filin ajiye motoci
b.Haɗin mataki na biyu: Cakudawa cikin matakai biyu. Mataki na farko shine danyen roba → karamin abu → wakili mai ƙarfafawa → softener → fitar da roba → latsa kwamfutar hannu → sanyaya. Mataki na biyu shine uwar roba → sulfur da accelerator → latsa kwamfutar hannu → sanyaya
(3)Matsaloli masu inganci na gama gari tare da cakuda roba
a.Haɗin haɓakawa
Babban dalilan su ne: rashin isassun tace danyen roba; Ƙarfin abin nadi; Ƙarfin mannewa mai yawa; Yawan zafin jiki na abin nadi; Gidan da aka yi da foda ya ƙunshi ƙananan barbashi ko gungu;
b.Wuce kima ko rashin isassun ƙayyadaddun nauyi ko rashin daidaituwa
Dalili: Rashin auna ma'auni na haɗe-haɗe, haɗakar da ba daidai ba, tsallakewa, ƙari ko rashin kuskure yayin haɗuwa.
c.Fesa sanyi
Yawanci saboda yawan amfani da wasu addittu, wanda ya wuce solubility a cikin roba a dakin da zafin jiki. Idan farin cika ya yi yawa, za a kuma fesa fararen abubuwa, wanda ake kira spraying
d.Taurin yayi tsayi, yayi kasa sosai, rashin daidaito
Dalili kuwa shi ne, auna ma’aunin vulcanizing agents, accelerators, softeners, reinforcing agents, da danyen roba ba daidai ba ne, kuma ana samun sa ne ta hanyar da ba daidai ba ko kuma aka rasa, yana haifar da cakuduwar da ba ta dace ba da taurin jiki.
e.Burn: Farkon vulcanization abu na kayan roba
Dalili: Haɗin da ba daidai ba na additives; Ayyukan haɗakar roba mara kyau; Rashin sanyaya da filin ajiye motoci mara kyau; Tasirin yanayi, da sauransu
3.Sulfurization
(1)Karancin kayan aiki
a.Ba za a iya fitar da iska tsakanin mold da roba ba
b.Rashin isasshen awo
c.Rashin isasshen matsi
d.Rashin ruwa mara kyau na kayan roba
e.Yawan zafin jiki mai yawa da kayan ƙona roba
f.Farkon zafin kayan roba (mataccen abu)
g.Rashin isasshen kauri da ƙarancin kwarara
(2)Kumfa da pores
a.Rashin isassun vulcanization
b.Rashin isasshen matsi
c.Rashin ƙazanta ko tabon mai a cikin ƙura ko kayan roba
d.Yanayin vulcanization mold ya yi girma sosai
e.An ƙara ɗan ƙarar vulcanizing wakili, saurin vulcanization yayi a hankali
(3)Fatar jiki mai nauyi da tsagewa
a.Gudun vulcanization yana da sauri da yawa, kuma kwararar roba bai wadatar ba
b.Datti molds ko m tabo
c.Yawan keɓewa ko wakili na saki
d.Rashin isasshen kauri na kayan mannewa
(4)Rushewar samfur
a.Yawan zafin jiki mai ƙura ko sulfur mai tsawo
b.Matsakaicin adadin wakili na vulcanizing
c.Hanyar rushewa ba daidai ba ce
(5)Da wahalar aiwatarwa
a.Ƙarfin hawaye na samfurin yana da kyau sosai (kamar manne mai tsayi mai tsayi). Wannan aiki mai wahala yana bayyana ta hanyar rashin iya yaga burrs
b.Ƙarfin samfurin ya yi rauni sosai, yana bayyana azaman gefuna masu karye, wanda zai iya yaga samfurin tare
Lokacin aikawa: Afrilu-16-2024
