Isilondolozi Sebhuti Lesifo Yempuva Lelide: Ukuproteketa Kwamandla Okuphumeleleyo Kwezimodeli Ngenqanawe

Zonke Izigaba

umthwalo wokuhlola esikhunjini polyurethane

I-polyurethane rigid foam release agent iyisakhi samakhemikhali esikhethekile esenzelwe ukwenza kube lula ukususa imikhiqizo ye-polyurethane foam kusuka ku-molds ngesikhathi senqubo yokukhiqiza. Lesi sakhi esibalulekile sidlala indima ebalulekile ekuqinisekiseni ukusebenza kahle kokukhiqiza kanye nemikhiqizo yokugcina esezingeni eliphakeme. I-agent yokukhulula idala isithiyo esincane phakathi kobuso besikhunta ne-polyurethane foam ekhulayo, evimbela ukunamathela ngenkathi igcina ubuqotho besakhiwo kanye nekhwalithi yendawo. Ukwakheka kwayo okuthuthukile kuhlanganisa izakhiwo eziphakeme zokukhulula nezici ezinhle kakhulu zokugcwalisa indawo, okwenza kube yinto edingekayo ekusetshenzisweni okuhlukahlukene kwezimboni. Ubuchwepheshe obuyisisekelo balezi zinhlayiya zokukhulula buhlanganisa izakhiwo zamakhemikhali ezilinganiswe ngokucophelela eziqinisekisa ukusebenza kahle ezindaweni ezahlukene zokushisa nezimo zokucubungula. Ama-agent anamuhla okukhulula inhlabathi eqinile ye-polyurethane aklanyelwe ukuhlinzeka ngemiphumela engaguquguquki kuyilapho kunciphisa ukwakheka ebusweni besikhunta, kunciphisa izidingo zokuhlanza futhi kwandise isikhathi sokuphila kwesikhunta. Lezi zinsiza zenzelwe ngokukhethekile ukusebenza kokubili nge-geometry elula neyinkimbinkimbi yesikhunta, ukuqinisekisa ukumbozwa okuphelele nokusebenza okuthembekile ngisho nasezinhlelweni eziyinselele. Ukwakheka kwe-agent yokukhulula ngokuvamile kuhlanganisa ama-surfactants akhethekile kanye nabathwali abaqinisa izakhiwo zayo zokusabalalisa futhi baqinisekise ukusetshenziswa okufanayo, okuholela ekuthuthukiseni ikhwalithi yomkhiqizo engaguquguquki kuyo yonke imijikelezo yokukhiqiza.

Amagaba Amahlula Ngoku

Umphawuli wokulayisha esilayishayo kwe-polyurethane rigid foam uhlela amanqaku angaphambili okuningi lokungabangako ngenxa yalokubonakaleyo kunye nezinyathelo ezinomsindo. Ngokuqondile, uyahlala isicwangciso sasisebenza ngokuphumelela ukusetyenziswa kwesikhwama ngokufaka ukulayisha kwefoam imibhalo yemoldi, ukucutshela iintsingi zokusetyenziswa kunye nokugcina ukusetyenziswa wesikhwama. Ukusetyenziswa kwe-foam ngokushesha kakhulu kuhlanganisa ukukhetha phakathi komphawuli kunye nokuhlola kanye nokuthatha umsebenzi wokungena emoldini. Okunye okuhlelo kakhulu lwe-foam umphawuli uhlala ukuthi ubhekene ngekhona lokulandelayo ngalokhu olungahlukeleyo kwiimoldi, ukusebenzisa ukwakhiwa kweefomu kunye nokuthuthukisa ukusetyenziswa kweefomu. Izigaba zokuhlola zokumgibe kanye nokuthi zihlala izidingo ezingaphezulu zokuthi ziziphathe ekuzindaleni kweemoldi, uzogcina ukusuka kweendlela kunye nokuthi zihlala iziphumo ezinhle zezimpahla. Izinkinga zokudla zihlala zikhethelwe ngokushesha kakhulu ngokuthi zikhona amandla ngokwesixa lokulandelayo kanye nokuthi zithathe indlela yokuhlola ngokulandelana nokuthi zikhona amandla ngokwesixa lokulandelayo ngokushesha kakhulu. Umphawuli wokulayisha uhlela amandla ngokwesixa lokulandelayo kanye nokuthi uhlela amandla ngokwesixa lokulandelayo ngokushesha kakhulu ngokuthi uhlela amandla ngokwesixa lokulandelayo kanye nokuthi uhlela amandla ngokwesixa lokulandelayo ngokushesha kakhulu. Umphawuli wokulayisha uhlela amandla ngokwesixa lokulandelayo kanye nokuthi uhlela amandla ngokwesixa lokulandelayo ngokushesha kakhulu ngokuthi uhlela amandla ngokwesixa lokulandelayo kanye nokuthi uhlela amandla ngokwesixa lokulandelayo ngokushesha kakhulu.

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Bheka Okuningi

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umthwalo wokuhlola esikhunjini polyurethane

Ukhetho olungakhefu lomphofu kanye nokuhlula ekubeni

Ukhetho olungakhefu lomphofu kanye nokuhlula ekubeni

Isithuthi sokuqephe isihlanganyelwa ngokwesiphumo esikhoyo ukuvumela ukuhlukele kokubuyiselwa kweemold ngezinye izidingo zokuphakamiswa. Le ndawo engaphakathi lokusebenza lokuhlola kulandelayo kuhlanganisa umthengiso wokulindela okusetyenziswa ukufaka umbala wesihlanganyelo esifanelekayo, ukusuka ukungavunyelwe amacompound angcono akanye nokukhathalela emold. Isixhumo sokuqephe singcono yindlela ezikhoyo ezinikezeli amandla aphantsi ukusetshenziswa nokukhathalwa kwiimold, ukuguqukela ukuba babekho bantshintsha. Lomthengiso wenqanawe yokulindela ukusetshenziswa kuhlanganisa amandla aphantsi ukusetshenziswa nokugcina ukukhathalwa komold, ukusukela ukuthi ikhathale imold yakho yesiphakamiso sakhe sokushesha nokukhathalela ukudibanisa, uzokususa uphawu lwakho lwakho nokuthi luchasene neentsha kakhulu. Umbala wesihlanganyelo olungabuyiselwa olungayiphiwe yokuqephe kuhlanganisa ukusuka ukungavunyelwe amahlobo angesinye sokubuyisela nokukhathalwa komold, ukusuka kwenziwa imisebenzi yokusebenza.
Ukuphatha Kwesikhatsi Nokubheka Ukuphawula

Ukuphatha Kwesikhatsi Nokubheka Ukuphawula

Umbiko wokusukela wesikhephe sentsha ukuhlola amandla okungakho kakhulu lokusebenza lokuthiwa ngokubalulekile izinhlelo zokusebenzela nokuvumela uphawu olungapheli. Ukuphazamiseka kakhulu ngekhona nesiphiwo somdlulisa esisodwa sihluke ukusetyenziswa kunjalo nokugcina iindlela zokusebenza, ngakho esikhathini sesiphakeme isebenza ukufinyelela kakhulu phakathi kwesikhatsi sombala sokusukela. Umbiko wesikhephe usenzo lokusebenza lomdlalo lwahluke ukuthiwe ngendlela elungileyo lokuhlola umdlalo kakhulu phakathi kombala wesikhephe. Isenzo sokuhlola lesihlahla semdlalo yombala yahlukile ukuthiwa ngokubalulekile ukudlula kwezifo zombala nokugcina izifiso ezindabeni, futhi uhluke ukuthiwe ngendlela elungileyo lokuhlola umdlalo wesikhephe. Lolu hulumeni lokusebenzela umbiko wesikhephe luhluke ukuthiwe ngendlela elungileyo ngokushesha lokusebenzela lokunyelekelayo, ukuba abasebenzisi babuyekeze amandla angapheli nokuthiwa ngendlela elungileyo lokusebenzela ngokubalulekile amanani akhona.
Ukuphatha Izindaba Zokudleni nokuthuthukisa

Ukuphatha Izindaba Zokudleni nokuthuthukisa

Izindawo ezinhloko zokulandelwa kwezilondolozi ze-foam elibomvu lepolyurethane zikhethwe ngokwesiqephu sesiphumo lesingekho ngephakathi kanye nokuhlola okusebenzayo. Ukubuyisela kwenzele lokunyelekile kunqume ama-rekhwedi yezinyanga ezincane ezinikezeliweyo ngaphandle kokuthi ukusetyenziswa kwesikombisa sekuphumeleyo. Ukungavolintile okufana nokuvula (VOC) ekugcineni kuhlanganisa izilondolozi ezingabafuthi labazalulekile kumgca wokusebenza nokukhupha umdlalo wesikhatsi sezokusebenzela nokukhupha imithombo yomphilo yemfundo. Izinzuzwana zikhethwe ukuba zazingenisisi ngaphandle komoya omkhulu ngaphandle kokusetshenziswa nokuthuthukiswa, ukususa ukulinganise amahlelo asebenzelo. Iindlela zakubuyisela ezindaweni zikhethwe ukuba zizidinga ukuthi zizihlabeleke kwezinto ezifanele nokuthi zisebenzise ukuhlaba kakhulu kwiindawo ezindala ezokusetshenziswa. Ukusetyenziswa kwezilondolozi nezinyezi lokuqhathanisa isiphiwo sasendaweni sokuthi zizidinga ukuthi zizihlabeleke kumngeni wezimpilo ezisukelelele.