BMC waa soo gaabinXarunta Wax-soo-saarka BadanIngiriisiga, magaca Shiinaha waa Isku-dhafka Qaabaynta Bulk (oo sidoo kale loo yaqaan: Isku-dhafka Polyester-ka ee aan buuxin ee fiber-ka galaaska ah ee la xoojiyay) oo ay sameeyeen resin dareere ah, wakiilka yareeya yaraanta, wakiilka isku-xidhka, bilaabaha, buuxinta, jajabyada fiber-ka galaaska ee gaaban iyo qaybaha kale ee isku-dhafka jirka ee isku-dhafka ah, xaaladaha heerkulka iyo cadaadiska, isku-xirka polyester-ka aan buuxin iyo styrene, falcelinta polymerization waxay dhacdaa. Heerkulka iyo cadaadiska, polyester-ka aan buuxin iyo styrene-ka ayaa isku xiran oo lagu daaweeyaa falcelinta polymerization. Sifooyinkeeda farsamada ee aadka u fiican iyo sifooyinka korontada ee aadka u fiican, iyo iska caabbinta kulaylka iyo sifooyinka farsamaynta wanaagsan ayaa si weyn loogu isticmaalaa qalabka korontada, qalabka, wax soo saarka baabuurta, duulista, gaadiidka, warshadaha dhismaha.
Nidaamka qaabaynta
1. Resin polyester ah oo aan dheregsanayn: oo leh resin gaar ah oo smc/bmc ah, inta badan m-phenyl up, iska caabbinta saameynta, iska caabbinta daxalka, iska caabbinta qaansada, oo ku habboon soo saarista alaabada baloogga ama anisotropic.
2. Wakiilka isku xidhka; oo leh monomer styrene, xaddiga kor u kaca 30% ~ 40%, iyadoo ku xidhan waxa ku jira xidhmooyinka labanlaabka ah ee ku jira polyester-ka aan buuxin iyo saamiga xidhmooyinka labanlaabka ah ee trans iyo xidhmooyinka cis, saamiga sare ee monomer-yada isku xidhka ah, waxay heli karaan bogsiin dhammaystiran
3. Bilaabaha leh wakiilka daaweynta heerkulka sare, tert-butyl peroxybenzoate (TBBB) wuxuu ka tirsan yahay wakiilka daaweynta heerkulka sare ee caadiga ah ee la isticmaalo, heerkulka kala-baxa dareeraha ah ee heerkulka qaabaynta 104 digrii oo ah 135 ilaa 160 digrii.
4. Walaxda yar ee yareysa ee loo yaqaan 'thermoplastic resins' oo si caadi ah loo isticmaalo, isticmaalka ballaarinta kulaylka si loo yareeyo isku-soo-ururinta qaabaynta. Guud ahaan, heerka yaraanta ee alaabta waa in lagu xakameeyaa 0.1 ~ 0.3%, sidaa darteed qiyaasta waa in si adag loo xakameeyaa.
5. Agabka xoojinta: isku xidhka guud ahaan la isticmaalo oo la farsameeyay 6 ~ 12mm fiilooyin gaagaaban 6 dab-celiye ah oo isticmaalaya Al2O3.3H2O, oo lagu daray xaddi yar oo dab-celiye ah oo fosfooraska ku jira, alumina-dareeran ayaa sidoo kale door ka ciyaara buuxinta 7. Buuxiyeyaasha ayaa yarayn kara kharashka hagaajinta sifooyinka korontada iyo dib-u-celinta ololka. Kaalshiyam kaarboonat waa buuxinta ugu dheer ee la isticmaalo oo leh waxqabad guud oo wanaagsan, guud ahaan qaab budo yar yar ka dib daawaynta isku xidhka ka dibna lagu daray.
Habka BMC
1. Fiiro gaar ah u yeelo taxanaha walxaha lagu daray. Mashiinka cajiinka ee lagu qasay nooca z-ga, wuxuu leeyahay qalab kuleylin, haddii isku darku yahay mid isku mid ah, waxaa la arki karaa midabaynta koolada ama midabaynta kaarboonka si isku mid ah ugu habboon, qiyaastii 15 ~ 18 daqiiqo.
2. Faybar galaas oo gaaban oo ku biiraya kan ugu dambeeya, goor hore si uu ugu biiro tiro badan oo fiilooyin jaban ah, taasoo saameynaysa xoogga fiilooyinka.
3. Walxaha BMC waa in lagu kaydiyaa heerkul hoose, guud ahaan 10 darajo Celsius, heerkulku waa sarreeyaa, resin-ka aan buuxin si fudud ayuu isugu xidhmi karaa oo u bogsan karaa, ka dibna wuxuu ku adkaan karaa farsamaynta qaabaynta.
4. Heerkulka wax lagu xareeyo: 140 darajo ama wax la mid ah, heerkulka caaryada sare iyo hoose 5 ~ 10 darajo, cadaadiska wax lagu xareeyo 7mpa ama wax la mid ah, waqtiga haynta 40 ~ 80s/mm
Ogaanshaha warshadaha
1. Dildilaaca badeecadda: dhibaatada dildilaaca badeecaddu waa mid caadi ah, gaar ahaan xaaladaha heerkulka hooseeya ee jiilaalka. Dildilaaca waxa loola jeedaa alaabada iyadoo la adeegsanayo cadaadiska gudaha, saameynta dibadda ama xaaladaha deegaanka iyo saameyn kale oo ku timaadda dusha sare ama dildilaaca gudaha.
2. Xalka; gaar ahaan laga bilaabo alaabta ceeriin, saamiga iyo habka loo xalliyo.
2.1 Xulashada iyo habaynta alaabta ceeriin ah
1) Resin waa matrix ka samaysan BMC, resin polyester aan dheregsanayn, vinyl ester,resin fenolik ah, melamine, iwm. Resin waa daawayn badeecad, oo leh xoog aasaasi ah. Sidaa darteed, isticmaalka resin gaar ah ee smc/bmc, waa resin nooca m-phenylene ah, resin m-phenylene ah marka loo eego nooca o-phenylene ah ee viscosity sare, marka lagu daro resin laftiisa slowness waa yar yahay, waxay aqbali kartaa monomers badan oo isku xira, si cufnaanta cufnaanta ay u korodho, heerka slowness-kuna uu hoos u dhaco.
(2) ku dar wakiil yar oo isku dhafan; heerka foosha ee resin polyester-ka aan dheregsanayn oo gaaraya ilaa 5 ~ 8%, ku dar noocyo kala duwan oo ah jajabka buuxinta ayaa weli ka badan 3%, guud ahaan heerka yaraanta badeecadaha ayaa ka badan 0.4% si loo jabiyo, markaa ku dar resins thermoplastic ah, isticmaalka resins thermoplastic si looga takhaluso ballaarinta kulaylka ee foosha ee qaybaha. pmma, ps add iyo monomer styrene isku darka iyo kala dirista ayaa ka wanaagsan, ku darista pmma Dhammaystirka ayaa ka wanaagsan. Yaraanta badeecadda waxaa lagu xakameyn karaa 0.1 ~ 0.3%.
(3) buuxinta, dab-damiska dabka, faybar galaas ah; dhererka faybar galaas ah - guud ahaan 6 ~ 12mm, mararka qaarkood si loo daboolo sifooyinka farsamada sare ilaa 25mm; si loo daboolo shuruudaha dareeraha qaabaynta, ilaa 3mm. Faybar galaas ah badanaa waa 15% ~ 20%; alaabada waxqabadka sare leh, ilaa 25%. Faybar galaas ah oo BMC ah ayaa ka hooseeya SMC, waxaad ku dari kartaa buuxin dheeraad ah, sidaa darteed kharashku wuu ka hooseeyaa si loo sameeyo buuxin aan dabiici ahayn. Hoos u dhig si aad u sameyso buuxin aan dabiici ahayn, dab-damiska dabka, faybar galaas ah iyo resin ay leeyihiin isku-darka kiimikada ee u dhexeeya isticmaalka guud ee daaweynta wakiilka isku-xidhka silane ka hor inta aan la isku darin, saameynta KH-560 ee caadiga ah loo isticmaalo, KH-570 waa wanaagsan tahay in lagu daro adag waa kuwo fiican, walxo micronized ah, sida calcium carbonate culus oo leh heer micronized ah, cabbirka walxaha 1 ~ 10um (oo u dhiganta 1250 mesh)
2.2 Shuruudaha saamiga BMC Resin salka Bmc, qaddarku kama yaraan karo 20%, qaddarka bilowga ah ee la xiriira xaddiga wakiilka isku xidhka asal ahaan looma baahna inuu si dheeraad ah ugu daro xaddiga wakiilka isku xidhka ee ku jira maaddada resin-ka oo ah 35%, marka lagu daro xaddiga wakiilka yar ee ku xidhma waxay sidoo kale ku xiran tahay xaddiga resin-ka. Isticmaalka wakiilka isku-xidhka heerkulka sare leh TBPB, buuxinta iyo dab-damiska (aluminium hydroxide) si loogu daro wadarta guud ee qiyaastii 50% ayaa ka habboon, waa labanlaab ka badan resin-ka, aad u badan oo lagu biirin karo xoogga qaab-dhismeedka ayaa dhaawacma, si fudud ayaa loo jabin karaa!
2.3 Xaaladaha habka wax soo saarka
(1) isku darka, marka ugu horreysa, marka la isku qaso walxaha si siman loogu qaso, budada marka hore waxay ku dartaa cufisjiid yar oo gaar ah, ka dibna waxay ku dartaa cufisjiid gaar ah oo weyn, dareeraha ayaa marka hore la isku daraa ka dibna lagu daraa, bilaabaha ayaa ah kan ugu dambeeya ee la daro, dhumucda waa in lagu daraa ka hor inta aan la isticmaalin koolada resin iyo cajiinka polystyrene. Fiber galaas ah ayaa lagu daraa dufcado kala duwan.
(2) xaaladaha habka wax lagu sameeyo: xuduudaha habka wax lagu sameeyo si toos ah ayay u saameeyaan badeecada si wanaagsan ama si xun. Badanaa marka cadaadiska wax lagu sameeyo uu kordho, yaraanta ayaa hoos u dhacda. Heerkulka caaryada aad ayuu u sarreeyaa wuxuu samayn doonaa xariiq isku-dhafan oo dusha sare ah, walaxdu isku mid ma aha, cadaadiska gudaha waa ka duwan yahay, si fudud ayaa loo jabin karaa. Haynta cadaadiska muddo kordhin ku habboon waxay ku habboon tahay ka hortagga dildilaaca qaybaha.
(3) nidaamka dahaarka kahor kuleylka: qaybaha heerkulka hooseeya way fududahay in la jabiyo. Sidaa darteed, walaxda waa in la kululeeyaa.
Waqtiga boostada: Juun-10-2025
