I-oven yeRoller yokunyanga irabha: Iingcebiso zokulawula ubushushu

By UMike Chen, Umlawuli weMveliso | Iminyaka eli-12+ kwiMveliso yeRabha |I-LinkedIn

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Ulawulo lobushushu be-PID lugcina ubushushu be-oven obuhlala buqinile ngaphakathi kwe-±1-2°C ukusuka kwindawo ebekiweyo, nto leyo ibalulekileyo kuxinano olufanayo lwe-cross-link kuzo zonke iindawo kwibhetshi.
• Ii-oven eziqengqelekayo ezineedrama ezilinganayo zifumana ubushushu obufanayo obungcono kunee-oven ezinganyakaziyo kuba ukujikeleza okuqhubekayo kuveza zonke iindawo ezikumphezulu womoya oshushu ojikelezayo.
• Isilawuli se-Omron PID esine-4-20 mA SSR output sithintela ukutshaya kakhulu kwe-heater ngokuguqula amandla rhoqo endaweni yokuvula nokuvala i-heater.
• Iinkqubo zokukhusela ubushushu obuphindwe kabini kwii-oven zanamhlanje ezisebenzisa i-roller curing ziyayicima ngokuzenzekelayo i-heater ukuba isilawuli esiphambili siyasilela, nto leyo ethintela umlilo kunye nomonakalo kwimveliso.

I-oven ejikelezayo yokulungisa irabha isebenza injongo eyahlukileyo kune-primary vulcanization presses. I-Secondary vulcanization - ekwabizwa ngokuba yi-post-curing - igqibezela inkqubo yokudibanisa eqala kwi-compression okanye i-injection mold. Ngenxa yokuba iipropati zomzimba zee-compounds zerabha ziqhubeka nokukhula ngexesha le-secondary vulcanization, ulawulo lobushushu oluqhubekayo kwi-oven yokulungisa luchaphazela ngqo umgangatho wemveliso yokugqibela.

Eli nqaku ligubungela iinkqubo zokulawula ubushushu ezisetyenziswa kwii-oven ezijikelezayo zokulungisa irabha, iingcebiso ezisebenzayo zokugcina ubushushu bufana, kunye nendlela yokuphucula iiparameter zenkqubo kwiikhompawundi zerabha ezahlukeneyo kunye nobukhulu beebhetshi.

Kutheni Ulawulo Lobushushu Kwi-Oven Yokunyanga Irabha Luchaphazela Umgangatho Wemveliso

Ukulungiswa kwerabha kulandela ubudlelwane bexesha nobushushu obuchazwe yi-cure curve ye-compound. Kwi-10°C nganye enyukayo kubushushu bokunyibilika, izinga lokuphendula liphinda kabini. Ukutshintsha kobushushu obuyi-5°C kuphela kwi-batch yeenxalenye kunokuvelisa umahluko olinganisekayo kumandla okutsalwa, ukunwebeka ngexesha lokuphumla, kunye noxinzelelo olubekwe ngaphakathi kwenkqubo efanayo yokuvelisa.

NgokweI-ASTM D573kwayeI-ISO 188Imigangatho yokuguga kobushushu ngerabha, ubudlelwane phakathi kobushushu kunye notshintsho lwepropathi bunokuqikelelwa xa ubushushu bulawulwa ngokuchanekileyo. Iimveliso ezinyangiweyo kwisiphelo esisezantsi soluhlu lweenkcukacha zinokuba ne-cross-linking engaphelelanga, nto leyo ebangela i-modulus ephantsi kunye neseti ephezulu yoxinzelelo. Iimveliso kwisiphelo esiphezulu zinokomelela kakhulu, zibe buthathaka ngenxa yokuncipha kobude. I-oven ejikelezayo yokulungisa irabha ngolawulo oluchanekileyo lobushushu iyayisusa le nguqu-kwi-batch kunye nenxalenye-kwinxalenye.

Kuvavanyo lwethu lwefektri kwiibhetshi ezingaphezu kwama-200 ze-vulcanization sisebenzisa i-oven ye-XCJ-K600 roller, siqaphele ukuba iindawo ezinyangiweyo ngobushushu obulawulwa yi-PID ngaphakathi kwe-±1.5°C yendawo ebekiweyo zibonise umahluko ophantsi ngama-23% kubunzima be-Shore A xa kuthelekiswa neendawo ezinyangiweyo kwii-oven ezine-±5°C yokutshintsha kobushushu.

Iinkqubo zoLawulo loBushushu kwi-oven ye-roller ukuze kulungiswe irabha

Ii-oven zanamhlanje ezirolayo zokwenza irabha zidibanisa iinkqubo ezintathu zolawulo ezisebenzisana ukugcina iimeko zokucubungula ezihambelanayo.

Isilawuli se-PID esine-SSR output

Isilawuli sobushushu se-Omron PID kwii-oven ze-roller ze-XCJ-K600 kunye ne-XCJ-K900 sisebenzisa i-algorithm ehambelanayo-edibeneyo-evelayo ukuze iqhubeke nokubala amandla e-heater afunekayo. Isignali yokuphuma ye-4-20 mA iqhuba i-relay ye-solid-state (SSR) elawula amandla e-heater ngokuqhubekayo endaweni yokuqhuba i-heater ivuliwe kwaye ivaliwe. Le ndlela yokulawula eqhubekayo isusa ubushushu obugqithisileyo kunye nobushushu obungaphantsi kobushushu obenzeka ngee-thermostats ezilula ezivuliweyo. Isiphumo kukuba ubushushu begumbi obuzinzileyo obunobuchaneki obuyi-±1-2°C kwiindawo ezimiselweyo phakathi kobushushu begumbi kunye ne-260°C.

Inkqubo yokujikeleza komoya oshushu

Injini ye-long-shaft eshushu kakhulu eqhuba ifeni ye-turbine ivelisa i-3000 CBM/h yokujikeleza komoya. Ngenxa yokuba umoya oshushu uhamba ngokuqhubekayo kwi-drum ye-octagonal naphezu kweendawo zerabha eziwela phantsi, yonke indawo yomphezulu ifumana ubushushu obufanayo. Olu kujikeleza kuthintela ukwakheka kweendawo ezishushu kufutshane nezifudumezi kunye neendawo ezibandayo kufutshane nomnyango okanye iikona. I-insulation yekotoni yetyuwa eyi-100 mm igcina ubushushu bodonga lwangaphandle bungaphantsi kwama-35°C ngexesha lokusebenza kwama-200°C, inciphisa ukulahleka kobushushu kwaye iphucule uzinzo lobushushu.

Ukujikeleza kwedrum ye-octagonal ukuze kubonakale ubushushu obufanayo

Uyilo lwedrama olunemiqolo emithathu luneenjongo ezimbini: lujikeleza iindawo zerabha ngomjelo womoya oshushu, kwaye iindonga zangaphakathi ezinamacala zenza ii-engile ezahlukeneyo zokuwa ezithintela iindawo ukuba zingazalani kunye. Inqwaba yezinto ezimileyo ibamba ubushushu embindini, idala umahluko phakathi kweendawo zangaphandle nezangaphakathi. Idrama ejikelezayo iyawususa lo msantsa, kwaye i-roller motor (0.75 kW) igcina isantya sokujikeleza esihambelanayo nokuba umthwalo webhetshi ungakanani na.

Iingcebiso Zokulawula Ubushushu Zokusebenza Kwe-Oven Yokunyanga Irabha

1. Misela iiparameter ze-PID ngokusekelwe kubunzima bebhetshi.Ibhetshi engama-50 kg ifunxa ubushushu obuninzi ngexesha lokuqala lokufudumeza kunebhetshi engama-15 kg. Lungisa ibhendi elinganayo kunye nexesha elidibeneyo kwisilawuli se-Omron PID ukuze uqwalasele umahluko wobunzima bobushushu. Qala ngeeparameters ezimiselweyo zomenzi kwaye ulungise ngokusekwe kwixesha lokubuyisela ubushushu emva kokulayisha.
2. Fudumeza i-oven yerola ifikelele kwinqanaba elimiselweyo ngaphambi kokuba uyilayishe.Ukufaka iindawo zerabha kwi-oven engafikanga kumlinganiselo wobushushu kubangela ukuba ubushushu begumbi bube ngaphantsi kwenqanaba elimiselweyo. Isilawuli se-PID siya kuphendula, kodwa ixesha lokubuyisela lixhomekeke kumandla esifudumezi (10.5 kW kwi-XCJ-K600) kunye nobunzima bomthwalo obandayo. Vumela imizuzu eli-15-20 yokuzinzisa emva kokuba isilawuli sibonise ukuba inqanaba elimiselweyo lifikelelwe.
3. Jonga ukubuyiselwa kobushushu emva kokulayisha.Ixesha elibandayo kakhulu kumjikelo wokunyibilika kwenzeka emva kwemizuzu emi-3-5 emva kokulayisha ibhetshi entsha. Ukwehla kobushushu akufuneki kudlule kwi-10°C kwi-XCJ-K600 enomthwalo we-15-20 kg. Ukuba ukuhla kudlula kwi-15°C, nciphisa ubungakanani bebhetshi okanye wandise ixesha lokutshisa kwangaphambili.
4. Sebenzisa umsebenzi wexesha ukuze ulawule umjikelo rhoqo.Isibali-xesha seeyure eziyi-0-99.99 esine-heater stop ezenzekelayo kunye ne-alamu evakalayo iqinisekisa ukuba ibhetshi nganye ifumana ixesha elifanayo lokuphiliswa. Musa ukuthembela kwixesha elenziwe ngesandla, njengoko ukuguquguquka komqhubi kwazisa utshintsho olungeyomfuneko lwenkqubo.
5. Linganisa isilawuli se-PID minyaka le.Ukushukuma kwenzwa yobushushu ngokuhamba kwexesha kuchaphazela ukuchaneka komlawuli. Igalelo lomlawuli we-Omron kufuneka liqinisekiswe ngokuchasene ne-thermocouple yesalathiso esilinganisiweyo ubuncinane kanye ngonyaka. Linganisa kwakhona ukuba ukufundwa kwahlukile ngaphezu kwe-2°C kwisalathiso kubushushu obuqhelekileyo bokusebenza.
6. Qinisekisa inkqubo yokukhusela ubushushu obugqithisileyo qho ngeveki.Ukhuseleko oluphindwe kabini oluphezulu kubushushu kwii-oven ze-XCJ-K600 kunye ne-XCJ-K900 roller luquka izinzwa ezizimeleyo ezine-high-limit ezivala i-heater ukuba i-primary controller iyasilela. Vavanya le nkqubo ngokunyusa i-high-limit set point ngaphezu kobushushu bokusebenza kwaye uqinisekise ukuba i-heater iyaqhawuka.

Amaqondo obushushu e-oven acetyiswayo okucoca iiCompounds zeRubber eziqhelekileyo

Amaqondo obushushu asekelwe kwizikhokelo zokudibanisa ngokubanzi. Iiparameter zokwenyani kufuneka ziqinisekiswe nomthengisi we-compound kwaye ziqinisekiswe ngovavanyo lwepropathi yoomatshini ngokwe-ASTM D412 kunye ne-ASTM D395.

Iingxaki Eziqhelekileyo Zokulawula Ubushushu Kwii-Oven Zokunyanga Irabha

Uninzi lweengxaki zokulawula ubushushu zinokuchongwa ngokubeka esweni rhoqo isibonisi senkqubo yokulawula iDelta, esinika ulwazi lwemeko yokusebenza ngexesha langempela.

Ukukhetha i-Roller Oven efanelekileyo yokulungisa irabha

Ii-oven ze-XCJ-K600 kunye ne-XCJ-K900 ezivela kwiXiamen Xingchangjia zibonelela ngemiqulu emibini yokucubungula kwiikali ezahlukeneyo zemveliso. I-XCJ-K600 inegumbi leelitha ezingama-600 elinobukhulu obuyi-1300 mm (W) x 1600 mm (H) x 1100 mm (T), elifanelekileyo kwimveliso encinci ukuya kwephakathi. I-XCJ-K900 ibonelela ngeelitha ezingama-900 kwi-1300 mm (W) x 1600 mm (H) x 1300 mm (T), eyenzelwe imisebenzi yokucola ephezulu.

Zombini iimodeli zabelana ngenkqubo efanayo yokulawula ubushushu obuphakathi — isilawuli se-Omron PID, i-heater ye-10.5 kW, ifeni ejikelezayo ye-3000 CBM/h, kunye nokhuseleko oluphindwe kabini lobushushu obuphezulu. Ulwakhiwo lwangaphakathi nolwangaphandle lwentsimbi engagqwali engama-304 olunobukhulu bodonga obuyi-1.5 mm luthintela ukugqwala kwiminyaka yokusebenza. Uluhlu lobushushu oluhlengahlengiswayo ukusuka kubushushu begumbi ukuya kwi-280°C lugubungela zonke iimfuno eziqhelekileyo ze-vulcanization ze-NBR, EPDM, FKM, silicone, kunye nee-HNBR compounds.

Isiphelo: Ubushushu obuhlala buhleli buthetha umgangatho werabha ohlala uhleli

Ulawulo lobushushu yeyona nto ibalulekileyo kwi-vulcanization yesibini. I-oven ejikelezayo yokulungisa irabha enolawulo lwe-PID, ukujikeleza komoya oshushu okusebenzayo, kunye nokujikeleza kwedrum okune-octagonal kubonelela ngeemeko zokufudumeza ezifanayo ezifunekayo ukuze kubekho uxinano oluhambelanayo kuzo zonke iindawo kwibhetshi nganye. Abalawuli be-Omron PID abane-4-20 mA SSR output, edibene nokujikeleza komoya kwe-3000 CBM/h kunye ne-100 mm insulation, babonelela ngozinzo lobushushu olufunekayo ukuze kuthotyelwe i-ISO 188 kunye ne-ASTM D573.

Abaqhubi abalandela iinkqubo zolawulo lobushushu ezicwangcisiweyo — ukufudumeza kwangaphambili, ukujonga ukubuyiselwa kwesimo, ukuqinisekisa ukufana, kunye nokugcina iinkqubo zokhuseleko — bafumana umahluko omncinci kwiimpawu zerabha ezicociweyo kunye nemveliso ephezulu.