Umthwalo-ophazanyo we-Fibreglass Ophakeme - Ukusebenza Okuhle Kukwakhiwa Kwemipawu

Zonke Izigaba

umthwalo wokulayisha okusebenzisa kwi-fibreglass

Isolwazi sokuphulwa kwe-mould ye-fibreglass sisilonda esiqondene esenzelwe ngokuthile emthwebeni wemithombo yokwenza, esebenza njengomkhakha wesikhashana phakathi kwezimbi nezinhlobo ezimbalwa. Leli solwazi sisebenza ngokuhlanjulula izimpawu ze-fibreglass ezicinywe kuzimbi zazo, ukukhokha izivumelwano ezikhokhelayo nokugcina ubuchwepheshe bokuthutha. Solwazi sokuphulwa kwezimbi ze-fibreglass sisebenza ngokwakhiwa kwamandla amahle angaphenduli kuzimbi okungahlali kubandakanya phakathi komlamo wazimbi nomfanekiso oqhubekayo we-resin. Izifundo ezintsha zisetyenzisa i-silicone-based compounds, i-wax emulsions, noma i-fluoropolymer technologies ukuze kufakwe isiphumo esihle kakhulu sokuphulwa ngelengele yisayensi esihle sangaphandle. Lezi zixhobo zakhelwe ukuqhubeka nokuhlala kwezinkuba namathambo akhona emthwebeni wokwakha kwe-fibreglass. Ezinqoleni ezibalulekile kufaka phakathi ukukhathalela izinkaba ezingaphezu kuka-200°C, ukutholakala kanye ngezinhlelo zezimpendulo ezahlukene kufakazela i-polyester, i-vinyl ester, ne-epoxy formulations, nokudurable kakhulu okuvumela ukuphulwa kwezimpawu eziningi ngalunye ulwazi. Solwazi sokuphulwa kwezimbi ze-fibreglass sabelanga ukuphatha izimbiza ezinde emva kwezimbi ezindebe, ekhuthaza ubude bezimbi kakhulu. Izenzo ziyaphakama kuzindalo zezinhlobo zezimoto, ukwakha kwe-hull yesimo sezimali, ukwenza kwezinhlobo zasehlabathini, ukwakha kwezincitha zokubulala, nokwakha kwezinhlobo zezivikinga. Kuzinto zokusebenzisa izindlela zentliziyo, solwazi sokuphulwa kwezimbi ze-fibreglass kunceda ukwakha kwezimpawu enkulu zeturbine ngesilinganiso sesilinganiso. Ubunzima beyona buhamba kuye kuzindlela zonke zokuthutha njenge-hand lay-up nezindlela zokushaya, njengoko kuzindlela ezingavulanga kufakazela i-resin transfer moulding ne-compression moulding. Ukusetshenziswa okwempelenyeso kwalolu solwazi kususela kumpawu ukunqamuka, kususa izikhathi zocingo, kunciphisa izidingo zokuphatha emva kokuphatha, kuncikelela ukulinganiselwa kwezimpawu ezimbalwa. Ukukhetha kwalolu solwazi sokuphulwa kwezimbi ze-fibreglass kuyaphendula kizinhlelo-mzembe ezithile, izinkaba zokuphatha, isilinganiso esifunwayo sephansi, nezidingo zokuthutha.

Imikhiqizo edumile

INDABA YOKUBUKA

Amaphutha wokulayisha kwezinhlobo zomvume we-PU eziflexibhileyo

INDABA YOKUBUKA

Amancazelo Akuhambisana ngePU Elastomer Imibuzo Emncwanyisiwe

INDABA YOKUBUKA

Amaphumeleli Amaplasethiki Okulingezwe Ngokulandelwa

INDABA YOKUBUKA

Amagcinyi Amabini

Isivumelwano sokukhupha isimbiqo sezikhumba sefibreglass sabelana nobunzima obungcono ngokuthi kubandla izinkinobeko ezihlukahlukene ephathelene ngqo nokwakha kwezimali nokuthembeka. Okokuqala, lokhu isinqumo esisepeshali sibambelela ukuthi izinto zingaphawuli, okwenzekayo kuzalwa kwesimo sezinhlanganiso, ukuze kutholakale ukukhupha kanye nokukhupha kwezinto kusimbiqo njalo. Lokhu kubonakala ngokulandelana kokwakha okuphathelene ngqo, akukho noma yiziphi izidingo ezingalungileyo ezavela ngokuthi izinto zixhoshelwa ezindaweni zezixweba. Isivumelwano sokukhupha isimbiqo sezikhumba sefibreglass sasazisa izindleko zomsebenzi ngokuthi kunciphisa ixesha abasebenzi bakhokelela ekukhupheni izinto kanye nezinye izenzo zokucoca simbiqo. Esikhundleni sokuthaka ngezinto eziphawulile noma ukugcina amahora emva kokucoca izinxeba zesimbiqo, abasebenzi bangasebenza kakhulu emisebenzini yokwakha engenako ubunzima. Ukuthuthuka kwezobuchwepheshe kuyindima enkulu, njengoko isivumelwano sokukhupha isimbiqo sezikhumba sefibreglass sibambelela ukuthi kungekho ukungcola, ukugayaya, nokugayayiswa okuthi kumele kwenzeke uma izinto zixhoshelwa kusimbiqo. Lokhu kuthola ukuthi izilinganiso zeqinisela phambi ziyakhula, izindleko zokudutywa zizinciphisa, kanye nokuthembeka okuphakade kwegazi ngokulandelana kwezinxesha zezinto. Izici zokuvikelwa zesivumelwano sokukhupha isimbiqo sezikhumba sefibreglass zakhuphula ubude bezimbiqo ngokuthi zibambelela ukuthi kungekho ukuthi resin ibuye kanciphise izindleko zokufaka izimbiqo ezintsha kanye nokuncipha ukuphazanywa okuthi kumele kube khona ekubuyiseni izixweba. Iziphumo eziningi zokwakha ziyakhula ngokukodwa, njengoko isivumelwano sokukhupha isimbiqo sezikhumba sefibreglass sinezindlela zokukhupha izinto ngokushesha kanye nokunciphisa izidingo zokucoca phakathi kwezikhwama. Abazalwa bathola ukuthi ukwanda kwezimali kuya kuya ku-25% uma bamenze isiphindisiwe kumasebenzi anempilo. Ubunzima besivumelwano sokukhupha isimbiqo sezikhumba sefibreglass esisha kuthetha ukuthi umkhawulo omnye ungasemseni wonke kumasebenti onjalo kanye namendini yokusebenza, ukuze kunciphise inkampani yesilondolozo kanye nokunciphisa izidingo zokufundisa abasebenzi. Izimpawu zezamazulu zifakwa kwiindlela ezinciphisa ukuthuthuka kwezolwazi ngaphandle kwezinye izivumelwano ezithile, ukuxhasa izidumo zokuphila ngcono kwayo kanti kakhona kuhlakanipha ububi bomsebenzi. Izindleko ezinciphisa ziyafika ngaphezu kwezindleko zomlando wemvelo, kunezindleko ezinciphisa zokudutywa, ukunciphisa ukusetshenziswa kwezinsimbi ngokuthi izikhwama zizimeleyo, kanye nokunciphisa izindleko zokuhlanjulwa kwezixhobo zokwakha. Isivumelwano sokukhupha isimbiqo sezikhumba sefibreglass sasazisa ububi bomsebenzi ngokuthi kunciphisa umsebenzi othile okudingeka ekukhupheni izinto, ukunciphisa ukugcinwa kwezinkinga zomsebenzi kumabanga abasebenzi. Ngaphezu kwalokho, ukusebenza okuphathelene ngqo kwezivumelwano ezinempilo zokukhupha isimbiqo sezikhumba sefibreglass kunciphisa ukuguquka kumisebenzi yokwakha, ukuvikela ukulawula kakhulu komsebenzi kanye nezinyathelo zeqinisela phambi zezobuchwepheshe.

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umthwalo wokulayisha okusebenzisa kwi-fibreglass

umshado wokufomu leconcrete

epoxy imphumeleli yesithuthi

amathotho amabomvu weziciko

umshado we-pva

silicone to silicone release agent

umshado wemodeli leconcrete

Ukukhathazeka Okuphezulu Kusikali Nokuthuthuka Kwesikali

Ukumiselo okuphucansi kwegentilithi yokuhlisa isango se-fibreglass kunciphisa ukuguquka kwesitakalaka nangaphandle, kube yisidingo esibalulekile ekwakhiweni kwemisebenzi emikhulu yokwakha imibonobo. Lokhu kunciphisa ukuguquka kwesitakalaka kunciphisa ukusebenza kwegentilithi yokuhlisa isango se-fibreglass nakuba kuhlanganiswa nesitakalaka sokugcina esiyi-180°C futhi kangaka, okubalulekile ekwakhiweni kwemisebenzi yesivukiso nezehlwele lapho izikhathi eziphezulu zokugcina kudingeka ukuze kuthole amaphropati wokusebenza okuphezulu. Ngaphezu kwegentilithi ezenzakalo eziphazanyiswa noma zicarboniza kusitakalaka phezulu, ekhala ukulahla komnqamuzane kanye nokuhlukunyezwa kwesango, le gentilithi yokuhlisa isango se-fibreglass ikhona ubungako ngokuphelele kanye nokusebenza kwayo njengoba kudluliselwa ngokudlula kwezitakalaka. Ukuguquka kwesitakalaka kunciphisa ukusebenza okufanayo kungakhathalwa ukuguquka kwesitakalaka ngasikhathi sokugcina, kunciphisa abakhiwa ukusebenza okufanelekile ngokuguqukayo kwemizamo. Lokhu kumele kabaluleke kakhulu ekwakhiweni kwemisebenzi ye-prepreg lapho ukusebenzisa i-autoclave kuhlakanisa igentilithi yokuhlisa isango se-fibreglass kuqhuma kusitakalaka phezulu kanye nesixwaya ngokomlando. Ukhothaza ukusebenza kusitakalaka okuguqukayo ungakhathalwa ukuchithwa kusho, lokhu kusho ukuthi izango ezihlanjululwe ngu le gentilithi yokuhlisa isango se-fibreglass zingadlulisela izikhathi eziningi zokuthinta kanye nokushisha kodwa zikakhathale impilo yazo yokuhlisa, kuyekela ukuthi kwenzeke kanjalo futhi kuyekela izikhathi ezingenamsebenzi. Kananjalo, ukuguquka kwesitakalaka kumkhathaza ukudala kwebhubhu noma inkohlakahlaka eyayidinga ukucindezelwa okunjalo, okungeke kuthwalwe izinyanga ezinzima. Lokhu kumele kabaluleke kakhulu emsindweni ophathelene nokwakha lapho izango zisebenza kusitakalaka phezulu ngemini enzima. Ukukhathala kukaNtando kwegentilithi yokuhlisa isango se-fibreglass kunciphisa ukholo okuphucansi kokwisimo sezinkuni, ngoba izinto eziphazanyiswa kusitakalaka ezifika emva kokuchithwa kwegentilithi engaphansi kuhlala zihamba kumzimba, zibangela izinkinga ezidinga ukusebenza okunzima ukuze kuzicophe. Ngokuthi kunciphisa amaphropati akho kusitakalaka phezulu, le gentilithi yokuhlisa isango se-fibreglass iyacopheza ukuthi izinto zifike emuva kwezango nezinkuni eziphelele ezifana nokulinganiselwa okuphezulu nokusebenza.

Ubunzima Bezimali Ziningi Nezimiseko Ezide

Ubukhona obungcono kakhulu kalesi sivuno sangaphandle sokuthembeka kweglasi sikhetha kuye kusuka kumzimba ngokunikeza izimo ezingu-15-30 ezizayo ngokulinganisa nokulinganisa, okunika iqiniso elikhulu lefulekile kakhulu. Lokhu kukhona kuyisisekelo esingcono sefomula yeminyaka yokudala, ekhiqiza ikhefu ephathelene neyona indlela emanzini. Lokhu kunciphisa izindleko zomthelela, izindleko zomsebenzi, futhi kunciphisa ukusetshenziswa kwesolubhu ngokuhlenga, kanye nokuthuthukisa ububi bezimali kwezimpilo. Ubukhona bekhipha kakhulu bale sivuno sokuthembeka kugcina amandla kakhulu nakwizidingo zokuthembeka, kodwa kancane ukulahlwa kwenhloso yezindlu zokudala. Leli phakade libaluleke kakhulu emazingeni aphakade kakhulu apho izindlu zokudala zisebenza ngokuphakade noma ngendlela ethintekayo. Ukusebenza okudingekayo kokuthembeka kuneziphumo ezilungile kakhulu ezifanayo eziningi, njengoba ikhefu likhokeleka ngokuthembeka kwangaphambilini, linciphisa imigomo yesivuno sokuthembeka. Futhi, lokhu kunciphisa izinkinga zomsebenzi ngokunciphisa isikhathi sokusebenzisa, kunciphisa ukuhlengwa, futhi kunikeza uhlelo olungcono lomsebenzi. Izindleko zomthelela ziziphumo eziningi, kubandakanya izindleko ezincane zomthelela, izindleko ezincane zomsebenzi, ukusetshenziswa okuncane kwezolubhu, kanye nokuthuthukisa kakhulu komfanekiso wokusebenza kwezinhlelo ngokunciphisa isikhathi esingasavumiyo.

Ukutholakala Kwezinhlelo Yoniversalu Ye-Resin Nokungatholakali Kwemithetho

Ukuxhasana kahle kwezikimodzi kwalokhu uhlelo lwesivutha esiphazanyiswayo sokukhupha isivakalisi ngamandla amaningi akha esivutha kuyenzela ukuthi kube yisicelo esifanelekileyo abasebenzisa izinto eziningi zokwenza ubunzima okufanayo noma bathola indlela yokunciphisa inkondlo yezivikelo. Lokhu kukhulula ukudinga kwezivikelo ezihlukileyo ngokwesimo sezinto zokwenza, kuyancipha ubungako bezimali nezimali kubukele inkondlo futhi kuyaqiniseza iqiniso lezinsuku zonke zokusebenza. Lokhu uhlelo lwesivutha lusaphazanyiswa ngokuhambisana kahle nesivutha se-polyester, izinhlobo ze-vinyl ester, i-epoxy, izinhlobo ze-phenolic, nezinye izinhlobo zomlando owasetshenziswa ekwakheni izinto eziqina. Ukuxhasana kakhulu kususelwa kumahluko wokuchazwa okungalitholanga okungalishiyi ukuthatha iqiniso lesimo sezinto zokwenza, kuyaqiniseza ukuthi izinto zifanele izici zomfanekiso. Ngaphandle kwezinye izivikelo ezingasayi kugcine ukwenyenzeka noma kuthinta umfanekiso ngendlela yokuxhasana kwesimo, loo mhlangano ihlinze ikhona konke kusimo sesiphazanyiso. Lokhu kukhona kakhulu kubaluleke kakhulu xa kusebenziswa ngezinhlobo eziphathelene nesimo senzo noma xa izinto zizofaka imvume yokugcina engazange igcinwe nguvalo olukhethiwe. Lo mkhondo awushiyi into ekugcineni komfanekiso, kuyancipha ukudinga kokucula kabangaki ngaphambi kokuphala, ukudibanisa, noma zonke izenzo ezinye. Ukuxhasana kakhulu kufinyelela emazingeni amaningi akha ibhodi yesivutha, isivutha se-carbon, izimpahla ze-aramid, nezimpahla zenhliziyo, kuyenza ukuthi kube yisifanele sasebenzelwa nazo zonke izenzo. Izibalo zakhiwa ziqinisekisa ukuthi lokhu uhlelo alushintsi ukudibanisa kwebhodi no-sivutha noma kuhlukanisa izici zomfanekiso, kuyaqiniseza ukuthi izinto zifanele izici zokudala. Ubunzima besimo kwalokhu uhlelo lukhulula ukuxhasana kusivakalisi kuphela, kungaba yini enziwa ngokwezimali, aluminium, izinto eziqina, noma izinto ezihlelekileyo, lokhu kukhona kuyavikela izimali ezikhulu ngokukhulula ukuxhasana nesimo noma ukuzilahla okungaba yinkohlaka esivakalisi. Izinkinga zomoya zihlolwe ngendlela yokungaxhashana kwalokhu uhlelo, njengoko ayizange ilungisele izindleko zokushisa kwe-VOC noma kuthola izindlela ezinezindlela eziphilayo. Ukuxhasana kakhulu kunciphisa izidingo zokufundisa abasebenzi bezokusebenza, njengoba kudingeka bafunde kuphela into eyodwa nokusetshenziswa kwezindlela eziphethwe.