Roba rollers, azaman ainihin kayan aikin aiki a cikin matakai kamar watsawa, calending, da sutura, kayan kayansu kai tsaye suna ƙayyade daidaiton aiki, inganci, da ingancin kayan aikin. Wannan labarin yana nazarin kaddarorin inji da halayen sinadarai na kayan aikin roba na yau da kullun kamar roba na halitta, robar nitrile, robar silicone, da roba na fluorine. Ta hanyar haɗa buƙatun amfani na yanayin masana'antu daban-daban, yana nazarin ainihin ma'anar zaɓin kayan aiki, yana ba da nassoshi biyu na ilimi da na aiki don zaɓin fasaha a fannoni kamar masana'antar injiniya, bugu da fakiti, da rini da bugu na yadi. Bayyana ainihin ka'idar cewa "kayan aikin robar roba yana ƙayyade aikace-aikacen su".
I. Rarraba Material da Ma'auni na Ayyukan Aiki na Roba Rollers
Ayyukan rollers na roba an haɗa su ne ta hanyar tsarin kwayoyin halitta na tushe na roba, hanyar haɗin kai da dabarar ƙari. Maɓallin bambance-bambancen aiki na kayan yau da kullun suna da mahimmanci, suna ba da tushe don daidaita yanayin yanayi
1.Natural roba (NR) abin nadi
Core yi: Tensile ƙarfi 20-30MPa, rebound rate> 70%, m lalacewa juriya, Shore taurin 50-70A, aiki zafin jiki kewayon -5 digiri zuwa 80 digiri.
Fasalolin ayyuka: Fiyayyen elasticity da sassauci, barga mai ƙarfi na injiniyoyi, masu iya yin tasiri yadda ya kamata, juriyar mai da juriya na lemar ozone.
2. Nitrile roba (NBR) abin nadi
Ayyukan Core: Ƙarfin ƙwanƙwasa 15-25MPa, Taurin Shore 55-75A, yawan kumburi a cikin man ma'adinai da mai na hydraulic ƙasa da 10%, kewayon zafin aiki -20 digiri zuwa digiri 100.
Fasalolin ayyuka: Yana da juriyar mai da juriya, matsakaicin ƙarfin injina, juriya mai ƙarfi ga waɗanda ba -ananan kafofin watsa labarai, amma matsakaicin matsakaicin juriya{1} da juriya yanayi.
3. Silicone roba (VMQ) abin nadi
Babban aiki: Taurin bakin teku 40-60A, kewayon zafin aiki -60 digiri C zuwa digiri 250 C, kyakkyawan tsayin daka da ƙarancin zafin jiki, ƙarancin juzu'i na ƙasa, haɓakar haɓakawa ya bi ka'idodin USP Class VI.
Fasalolin ayyuka: Yana da ƙwaƙƙwaran tsayin tsayin zafin tsufa{0} da aikin rufewa, yana da sauƙin rushewa kuma baya mannewa da kayan, amma ƙarfin injinsa da juriyar sa sun fi na roba na halitta da roba nitrile rauni.
4. Fluorine roba (FKM) abin nadi
Ayyukan Core: Ƙarfin ƙarfi 15-20MPa, Taurin Shore 60-80A, kewayon zafin aiki -20 digiri C zuwa digiri 260 C, mai jurewa ga acid mai ƙarfi, alkalis mai ƙarfi, oxidants mai ƙarfi da man jirgin sama da sauran kafofin watsa labarai masu lalata.
Fasalolin ayyuka: Yana da matuƙar ƙarfi da kwanciyar hankali na sinadarai da tsayin juriya na zafi, tsawon rayuwar sabis, amma farashin yana da girma, kuma ƙarfinsa da iya sarrafa sa ba su da kyau.
5. Chloroprene roba (CR) abin nadi
Ayyukan Core: Ƙarfin ƙarfi 25-35MPa, Taurin Shore 50-70A, Matsayin juriya na ozone har zuwa ASTM D1149 Class A, kewayon zafin aiki -30 digiri C zuwa 100 digiri C, oxygen index> 38.
Siffofin ayyuka: Daidaitaccen juriya na yanayi, jinkirin harshen wuta da juriyar lalata sinadarai, ƙarfin injina mai ƙarfi, amma ƙarancin juriyar mai fiye da robar nitrile.
Ii. Material - Daidaita Yanayin: Daidaitaccen Ayyukan Aikace-aikace na Rollers na Rubber
Abubuwan buƙatun zafin jiki, matsakaita, matsa lamba, ƙimar juzu'i, da sauransu na robar roba a cikin yanayin masana'antu daban-daban sun bambanta sosai. Zaɓin kayan yana buƙatar cimma madaidaicin madaidaicin "buƙata -"
1. Masana'antar bugawa da tattara kaya: Neman canja wurin tawada iri ɗaya da sawa{1}
Abubuwan da suka dace: Roba na dabi'a (NR), rollers nitrile roba (NBR).
Dabarun aikace-aikacen: A cikin tsarin bugu, babban ƙarfi da ingantaccen ƙarfin juriya na robar roba na halitta na iya tabbatar da aikace-aikacen tawada iri ɗaya, guje wa wuraren tawada da bugu da aka rasa. Don al'amuran da ke cikin hulɗar tawada masu kaushi, juriyar mai na robar nitrile na iya hana abu daga kumburi da lalacewa, yana tabbatar da daidaiton bugawa.
Aikace-aikace na yau da kullun: Canje-canjen tawada don injunan bugu na biya, rollers na matsa lamba don injunan bugu na gravure, da laminating rollers don shirya fina-finai.
2. Masana'antar bugu da rini: Daidaita juriyar zafin jiki da buƙatun ƙazanta{1}
Abubuwan da suka dace: Silicone Rubber (VMQ) rollers, chloroprene roba (CR) rollers
Dabarun aikace-aikace: A cikin babban matakin saitin yanayin zafi na tsarin bugu da rini (zazzabi 150-200 digiri), tsayin{3}} juriya na yanayin zafi na robar roba na silicone na iya hana tsufar zafin jiki da nakasawa, da kuma rashin santsi na saman zuwa zaruruwa yana rage maƙarƙashiya. The masana'anta jagora rollers na waje yadi kayan da aka yi da neoprene roba, wanda yana da kyau yanayi juriya ga jure da yashwar ultraviolet haskoki da kuma m yanayi, don haka mika su sabis.
Aikace-aikace na yau da kullun: Fabric saitin inji matsi nadi, rini da karewa kayan aiki masana'anta shiryar abin nadi, Yadi bugu inji scraper abin nadi.
3. Masana'antar sarrafa ƙarfe: Mai tsayayya da tabon mai da matsanancin yanayin aiki
Abubuwan da suka dace: Nitrile Rubber (NBR) rollers, roba roba (FKM) rollers
Dabarun aikace-aikacen: A cikin sarrafa faranti na sanyi{0} na birgima da foil na aluminum, robar robar suna buƙatar haɗuwa da yankan mai, emulsions da sauran kafofin watsa labarai. Juriyar mai na roba na nitrile na iya hana kumburin abu, kuma a lokaci guda, yana da isasshen ƙarfin injin don jure jurewar matsi mai girma-. Don manyan kayan sarrafa ƙarfe na ƙarshe- waɗanda ke zuwa cikin hulɗa tare da masu sanyaya masu lalata, juriyar sinadarai na rollers na fluororubber yana tabbatar da tsayayyen aiki a cikin matsananciyar kafofin watsa labarai.
Aikace-aikace na yau da kullun: Tallafin jujjuyawar ƙarfe don injin mirgina sanyi, jujjuyawar matsa lamba don injunan tsagawa na aluminum, da jujjuyawar jagora don ainihin kayan tambari.
4. Masana'antar sarrafa abinci: Haɗu da aminci da buƙatun juriya na zafin jiki
Abubuwan da suka dace: Silicone Rubber (VMQ) abin nadi
Dabarun aikace-aikace: A cikin matakai kamar bel ɗin isar abinci, biscuit calendering, da cakulan shafe-shafe, daidaituwar ƙwayoyin roba na silicone na iya hana gurɓatar abinci. Babban juriyar zafin su{1} ya dace da yanayin yanayin zafi mai girma a cikin matakin sarrafawa (80-150 digiri), kuma fasalinsu mai sauƙi{{5}zuwa-tsaftacewa yana bin ƙa'idodin tsabtace abinci.
Aikace-aikace na yau da kullun: Matsakaicin matsi don bel ɗin isar abinci, jujjuya don injunan kafa biscuit, rollers jagora don kayan marufi na alewa.
5. Babban filin kayan aiki na ƙarshe: Magance matsananciyar ƙalubalen muhalli
Kayayyakin da suka dace: fulororubber (FKM), rollers na roba na musamman na silicone
Dabarun aikace-aikacen: A cikin yanayi kamar sarrafa kayan aikin sararin samaniya da canja wurin abu a cikin tasoshin halayen sinadaran, masu yin amfani da fluororubber suna buƙatar jure matsanancin yanayin zafi ({3}} 50 digiri zuwa digiri 250 ) da kuma ƙaƙƙarfan watsa labarai masu lalata. Tsabar sinadarai da juriya mai zafi na rollers fluororubber na iya saduwa da buƙatun buƙatu. A cikin masana'antar semiconductor, wafer canja wurin rollers an yi su ne da roba na musamman na silicone, wanda babban tsabta da aikin rufi zai iya hana gurɓatar wafers.
Aikace-aikace na yau da kullun: kayan aikin niƙa na jirgin sama, kayan aikin sinadarai masu ɗaukar rollers, semiconductor wafer canja wurin rollers.
Iii. Ƙa'idodin Ƙa'idodi da Ƙaƙwalwar Haɓaka don Zaɓin Abu
Zaɓin rollers na roba ya kamata ya bi manyan ka'idoji guda uku na "mahimmancin yanayin aiki, daidaitaccen aiki, da ma'auni na farashi" : Na farko, a fili ayyana ma'anar yanayin yanayin aiki kamar yanayin zafin aiki, matsakaicin lamba, da nauyin matsa lamba; Na biyu, daidaita kewayon juriya na zafin jiki, dacewa da sinadarai da kaddarorin injina bisa ga sigogi. A ƙarshe, a ƙarƙashin yanayin saduwa da buƙatun aikin, duka farashin kayan aiki da kuma aiwatarwa yakamata a yi la'akari da su.
A nan gaba, haɓaka kayan nadi na roba za su mai da hankali kan manyan kwatance guda biyu: ɗaya shine haɓaka muhalli, haɓaka abubuwan da za a lalatar da su da ƙananan abubuwan da ake ƙarawa na roba - VOC don rage tasirin muhalli; Na biyu shine hadawa mai aiki. Ta hanyar blending gyare-gyare (kamar blending nitrile roba tare da polyvinyl chloride) ko surface shafi fasahar, mahara yi hadewa kamar "sa juriya + mai juriya + zafin jiki juriya" za a iya samu, kara fadada aikace-aikace iyakoki a high{4}}karshen masana'antu filayen.
