UMark Ford, umphathi wophuhliso lwemveliso kwi-AFG Industries, Inc., ucacisa athi:
Iglasi eqinisiweyo inamandla ngokuphindwe kane kuneglasi "eqhelekileyo," okanye eqinisiweyo. Ngokungafaniyo neglasi eqinisiweyo, enokuqhekeka ibe ziingceba ezigobileyo xa iglasi eqinisiweyo neyaphukileyo yaphuka yaba ziingceba ezincinci, ezingenabungozi kangako. Ngenxa yoko, iglasi eqinisiweyo isetyenziswa kwiindawo apho ukhuseleko lwabantu luyingxaki. Usetyenziso luquka iifestile ezisecaleni nangasemva kwizithuthi, iingcango zokungena, iishawa kunye neebhafu, iinkundla zeracquetball, ifenitshala yepatio, ii-oven ze-microwave kunye nee-skylights.
Ukulungiselela iglasi kwinkqubo yokufunxa, kufuneka kuqala isikwe ngokobukhulu obufunekayo. (Ukunciphisa amandla okanye ukungaphumeleli kwemveliso kunokwenzeka ukuba nayiphi na imisebenzi yokwenziwa, efana nokugrumba okanye ukugquma, iyenzeka emva konyango lobushushu.) Iglasi emva koko ihlolwe ukungafezeki okunokubangela ukwaphuka nakweyiphi na inyathelo ngexesha lokufunxa. I-abrasive efana nephepha lesihlabathi isusa imiphetho ebukhali kwiglasi, ethi emva koko ihlanjwe.
INTENGISO
Okulandelayo, iglasi iqala inkqubo yokunyanga ubushushu apho ihamba khona kwi-oven yokufudumeza, nokuba ikwi-batch okanye i-continuous feed. I-oven ifudumeza iglasi ukuya kubushushu obungaphezulu kwama-600 degrees Celsius. (Umgangatho weshishini yi-620 degrees Celsius.) Emva koko iglasi idlula kwinkqubo yokuphola enoxinzelelo oluphezulu ebizwa ngokuba yi-"quenching." Ngexesha lale nkqubo, ethatha imizuzwana embalwa, umoya oxinzelelo oluphezulu uqhumisa umphezulu weglasi ukusuka kwii-nozzles ezahlukeneyo kwiindawo ezahlukeneyo. Ukucima kupholisa umphezulu wangaphandle weglasi ngokukhawuleza kakhulu kune-center. Njengoko umbindi weglasi uphola, uzama ukurhoxa ukusuka kumphezulu wangaphandle. Ngenxa yoko, umbindi uhlala uxinezelekile, kwaye umphezulu wangaphandle uyaxinezeleka, nto leyo enika iglasi exinezelekileyo amandla ayo.
Iglasi xa ixinene iphuka ngokulula ngokuphindwe kahlanu kunokuba ikwenza xa ixinene. Iglasi exutyiweyo iyaphuka ngeepawundi ezingama-6,000 nge-square intshi (psi). Iglasi efudumeleyo, ngokweenkcazo zikarhulumente, kufuneka ibe noxinzelelo lomphezulu lwe-10,000 psi nangaphezulu; ngokubanzi iyaphuka malunga ne-24,000 psi.
Enye indlela yokwenza iglasi eqinisiweyo kukuyi-chemical tempering, apho iikhemikhali ezahlukeneyo zitshintshiselana ngee-ions kumphezulu weglasi ukuze zenze ucinezelo. Kodwa ngenxa yokuba le ndlela ibiza kakhulu kunokusebenzisa ii-ovens zokuyi-tempering kunye nokucima, ayisetyenziswa kakhulu.
Umfanekiso: Amashishini e-AFG
UVAVANYO LWEGLASIKubandakanya ukuyibhoboza ukuqinisekisa ukuba iglasi iyaqhekeka ibe ziingceba ezininzi ezincinci, ezinobukhulu obufanayo. Umntu unokuqinisekisa ukuba iglasi iqiniswe kakuhle na ngokusekelwe kwipateni ekwiiglasi eziqhekekileyo.
AMASHISHINI
UMHLOLI WEGLASIuhlola iphepha leglasi epholileyo, ekhangela amaqamza, amatye, imikrwelo okanye naziphi na ezinye iziphene ezinokubangela ukuba libuthathaka.
Ixesha lokuthumela: Matshi-05-2019