Usenokungakholwa, kodwa kwiveki ephelileyo xa ndandityelele umthengi omdala osebenza ngesinyithi, ndeva isandi esithi “hissing” esibuhlungu kakhulu xa ndingena kwindawo yokusebenzela. Ndathi ndakujonga ngokusondeleyo, abasebenzi abaliqela babesebenza ngemipu yokuqhumisa isanti, iintlantsi zibhabha njengoko izinto ezirhabaxa zibetha iindawo zesinyithi. Umphathi, u-Old Li, wandibona waza wanikina intloko yakhe, ekhomba ingxowa ye-alumina emdaka exutywe ne-abrasive emhlabeni: “Le nto ibuhlungu kakhulu ukuyisebenzisa. Ivelisa uthuli oluninzi, kwaye ukuguguleka kwayo kuyakhawuleza. Abasebenzi abayithandi le nto.”
Ndahlala phantsi, ndathatha isandla sami-alumina emhlophe exutyiweyoisampuli esiyizisileyo, saza sayibeka esandleni sakhe: “Zama oku?” Emva kweentsuku ezintathu, u-Old Li wanditsalela umnxeba wathi: “Ingxaki yintoni ngokuqhumisa kwakho isanti ye-alumina emhlophe exutywe kakuhle? Ayikokusebenza kakuhle nje kuphela, kodwa ukubonakala kwindawo yokusebenzela kungcono kakhulu!” Enyanisweni, kushishino lokucoca umphezulu, ukukhetha i-abrasive efanelekileyo yokuqhumisa isanti kufana nompheki okhetha imela efanelekileyo – kwenza umahluko omkhulu. Namhlanje, masithethe nge-white fused alumina sandblasting, iingenelo zayo ezibalaseleyo, kunye nalapho ingasetyenziswa khona ngeendlela onokuthi uzilindele kwaye ungazilindelanga.
I. Masithethe ngezinto ezisetyenzisiweyo: I-White Fused Alumina
I-alumina emhlophe exutywe kakuhle, ngokufutshane, yinto eveliswa ngokunyibilikisa nokuphinde ifake i-bauxite ekumgangatho ophezulu kwisithando sombane se-arc kumaqondo obushushu angaphezu kwama-2000°C. Icandelo layo eliphambili yi-α-alumina, enobunyulu obungaphezulu kwama-99%. Kukho isaci sakudala kwishishini lethu esithi: “I-alumina emhlophe exutywe kakuhle, i-nut enzima ukuyiqhekeza,” ebhekisa kubunyulu bayo be-Mohs obuyi-9.0, obulandela idayimani kuphela. Olu bunyulu nobunzima obuphezulu buyenza ibe yinto efanelekileyo “yemisebenzi enzima” efana nokuqhumisa isanti.
Abavelisi abaninzi endibafumene ekuqaleni babecinga ukuba ukuqhumisa isanti kuyafana, nokuba kukwenza njani na. Kodwa baqonda emva kokuyisebenzisa ukuba ukukhetha ukuqhumisa kumisela ngokuthe ngqo isiphumo sokugqibela kunye nexabiso lilonke. Kufana nokusika inyama ngemela ebukhali ngokuchasene nemela ebukhali; bobabini bayasika, kodwa umahluko mkhulu.
II. Iingenelo Ezintlanu Eziphambili Zokuqhumisa Isanti Emhlophe Exutywe Ne-Alumina
Okokuqala, ihlala ixesha elide kakhulu kwaye ihlala ixesha elide.
Ngesiqheloukuqhumisa isanti kwe-alumina emdaka exutywe, kufuneka uyizalise rhoqo le nto, kwaye uthuli luninzi kangangokuba awukwazi ukubona nto. I-alumina emhlophe exutywe kakuhle ixatyiswa kakhulu ngenxa yobunzima bayo obuphezulu kunye nokuqina kwayo okugqwesileyo, okwenza ukuba imelane nokuqhekeka xa itshayiswa. Senze uvavanyo oluthelekisayo, kwaye phantsi koxinzelelo olufanayo kunye neemeko zokusebenza, ukusetyenziswa kwe-alumina emhlophe exutywe kakuhle bekungaphantsi ngama-30%-40% kune-alumina emdaka exutywe kakuhle. Musa ukuyithatha kancinci le nani; kwiifektri ezinkulu ezisebenzisa iitoni ezininzi zezinto ezirhabaxa ngosuku, imali egciniweyo ngonyaka yanele ukuthenga imoto efanelekileyo.
Okwesibini, isebenza ngokukhawuleza nangokufanelekileyo.
Amasuntswana e-alumina amhlophe axutyiweyo anemilo eqhelekileyo, uninzi lwawo lunee-polygons ezibukhali. Xa zijongwa ngesantya esiphezulu, le milo isebenza njengezixhobo ezincinci ezininzi zokusika, inika amandla okusika angaqhelekanga. Ukucoca indawo efanayo ye-castings, i-alumina emhlophe exutyiweyo inokonga phantse isiqingatha sexesha xa ithelekiswa nesanti eqhelekileyo ye-quartz. I-foundry ka-Old Wang itshintshele kwi-alumina emhlophe exutyiweyo kunyaka ophelileyo, kwaye inkqubo yokuqhumisa isanti, eyayifuna ii-shift ezintathu ngaphambili, ngoku ingagqitywa ngee-shift ezimbini, igcina imali eninzi kwiindleko zomsebenzi.
Okwesithathu, ivelisa iziphumo ezisemgangathweni ophezulu ezinomgangatho ohambelanayo.
Ukuqhumisa isanti akufuneki kube ngokukhawuleza kuphela kodwa kube semgangathweni ophezulu. Umphezulu oqhumise ngei-alumina emhlophe exutyiweyo inoburhabaxa obufanayo kwaye ayibonisi ukungalingani. Ingakumbi kwizinto zokusebenza ezifunwa kakhulu ezifana nentsimbi engagqwaliyo kunye nee-aluminium alloys, i-white fused alumina sandblasting ibangela umphezulu omhlophe ofana nesilivere, ongenazo zonke izinto ezingcolisayo, nto leyo enika isiseko esigqibeleleyo sokupeyinta kunye nokufakelwa nge-electroplating. Omnye wabathengi bethu, umenzi wezixhobo zasekhitshini eziphezulu, ubone ukuphucuka okukhulu kumgangatho womphezulu wemveliso emva kokutshintshela kwi-white fused alumina sandblasting, nto leyo ekhokelele ekonyukeni kwama-30% kwiiodolo zokuthumela ngaphandle.
Okwesine, lukhetho "olunobuhlobo nokusingqongileyo".
Wonke umntu uyazi ukuba imithetho yokusingqongileyo ingqongqo kangakanani ngoku.I-alumina emhlophe exutyiweyoUkuqhumisa isanti kuvelisa uthuli oluncinci kakhulu kunezinye izinto ezininzi ezirhabaxa. Okokuqala, ubunyulu bayo obuphezulu kunye nomgangatho wayo kubangela uthuli olungaphefumliyo kakhulu; okwesibini, ukuqina kwayo kuvumela ukusetyenziswa ngokuphindaphindiweyo, kunciphisa ngokwendalo ukukhutshwa kothuli ngokubanzi. Ngaphezu koko, i-alumina emhlophe exutywe ne-fused ayinayo i-silica yasimahla, ithintela i-silicosis, inika abasebenzi uxolo lwengqondo. Ukusukela oko i-workshop ka-Old Li yatshintshela kwi-alumina emhlophe exutywe ne-fused, ukuphindaphindwa kokutshintshwa kweengxowa zesihluzo sokuqokelela uthuli kuye kwehla ukusuka kanye ngenyanga ukuya kube kanye kwiinyanga ezintathu, nto leyo ebonisa ukuncitshiswa kweendleko zokwenyani.
Okwesihlanu, "isebenza ngokubanzi."
Ukususela kwizixhobo zonyango ezichanekileyo ukuya kwiipleyiti zentsimbi ezinkulu zenqanawa, i-white fused alumina sandblasting inokuyiphatha yonke le nto. Ngokungafaniyo nezinye izinto ezikhethekileyo zokubrasha, ayiyonto “ethambileyo.” Ngokulungisa ubungakanani begrit (ukusuka kwi-16 mesh erhabaxa ukuya kwi-240 mesh ecolekileyo okanye ecolekileyo) kunye noxinzelelo lokuqhumisa, ingakwazi ukusingatha zombini ukucoca okunzima kunye nokugqiba kakuhle. Oku kuguquguquka kuyenza ibe “yintsebenzo eguquguqukayo” kwiifektri ezininzi.
III. Ingasetyenziswa phi i-white fused alumina blasting?
Emva kokuba sixoxe ngeenzuzo zayo ezininzi, makhe sijonge apho ingasetyenziswa khona ngokukodwa:
1. Ishishini leenqwelo-moya: Limele "ubuchwepheshe obuphezulu kunye nokuchaneka"
Iiblade zeenjini zeenqwelo-moya, izixhobo zokufika, kunye nezinto ezahlukeneyo ze-avionics zineemfuno ezinzima kakhulu zonyango lomphezulu. Ukuqhumisa i-alumina emhlophe exutywe kakuhle ikakhulu kwenza imisebenzi emibini apha: okokuqala, ukususa iileya ze-oxide kunye neziphene ezincinci kumphezulu wecandelo; okwesibini, ukudala umaleko woxinzelelo ofanayo ukuphucula ubomi bokudinwa kwamalungu. Ndityelele inkampani elungisa iinqwelo-moya, kwaye zisebenzisa i-alumina emhlophe exutywe kakuhle kuphela ngenxa yozinzo olupheleleyo lomgangatho.
2. Ukwenziwa nokulungiswa kweemoto: Amandla amakhulu kwimarike enkulu neyahlukeneyo
Ukususela ekucoceni nasekuqiniseni iibhloko zeenjini, ii-crankshafts, kunye neegiya kwiimoto ezintsha, ukuya ekususweni komhlwa kunye nopende ngexesha lokuhlaziywa kweemoto ezindala, i-alumina emhlophe exutywe kakuhle yeyona ndlela ikhethwayo. Ingakumbi kwiitreyi zebhetri ze-aluminium alloy kunye neendawo zokubeka iimoto zezithuthi ezintsha zamandla, ezineemfuno ezingqongqo zokucoceka komphezulu kunye noburhabaxa, iingenelo zokuqhumisa i-alumina emhlophe exutywe kakuhle zibonakala ngakumbi.
3. Ishishini le-mold: "Lihombisa" kwaye "lindisa ubomi" be-molds
Ii-injection molds, ii-die-casting molds, kunye nee-glass molds ziqokelela imikrwelo emincinci, ii-carbon deposits, okanye ii-residues ngokuhamba kwexesha. Ukuqhumisa i-alumina emhlophe exutywe kakuhle kunokulungisa ngokungummangaliso ezi ziphene zincinci, kususe ii-residues, kwaye kwenze ubume bomphezulu obufanayo obunceda ukuqhekeka ngaphandle kokutshintsha ukuchaneka kobukhulu. Abenzi abaninzi abanamava bokuqhumisa bathi ukugcinwa rhoqo nge-white fused alumina blasting kunokwandisa ubomi bokuqhumisa ngesinye kwisithathu.
4. Iimveliso zentsimbi engagqwaliyo kunye nobunjineli bokuhombisa: Konke kumalunga "nobuhle"
Nokuba ziikhabhathi zentsimbi engagqwaliyo eziphezulu, iiphaneli zelifti, okanye iindonga zekhethini kunye nemifanekiso eqingqiweyo yokwakha, ukugqitywa kwe-matte kuya kuthandwa kakhulu. Ukuqhumisa i-alumina emhlophe exutywe kakuhle kunokubonelela ngemiphumo eyahlukeneyo yokuhombisa elawulekayo, ukusuka kwiindlela ezincinci ukuya kwiindlela ezifanayo ze-matte, kwaye iziphumo zihlala ixesha elide, ngokungafaniyo nokugrumba kweekhemikhali okunokuvelisa iziphumo ezingalinganiyo ngokulula.
5. Ukwakha iinqanawa kunye noshishino olunzima: Ukujongana “nabafana abakhulu”
Iidekhi zeenqanawa, iibhulorho ezinkulu zentsimbi, kunye neetanki zokugcina izinto - ezi zakhiwo zinkulu zifuna ukususwa ngokupheleleyo komhlwa kunye nokunamathela okugqwesileyo kokwaleka.I-alumina emhlophe exutyiweyo, ngenxa yezakhono zayo zokucoca ezisebenzayo kunye nexabiso eliphantsi, ibambe isikhundla esiqinileyo kweli candelo. Ingakumbi ekulungisweni kweenqanawa, apho iindawo ezinkulu zenqanawa kufuneka zicocwe ngexesha elifutshane, inzuzo yokusebenza kakuhle ye-alumina emhlophe exutywe kakuhle ayinakuthatyathelw' indawo.
6. Ezinye zezicelo ezingalindelekanga
Umzekelo, ukucoca nokubuyisela umphezulu wamatye ezikhumbuzo zembali, i-alumina emhlophe exutywe kakuhle inokususa ngokuchanekileyo iileya zokungcola ngaphandle kokonakalisa into eyenziweyo ngokwayo; kwishishini le-semiconductor, isetyenziselwa ukucoca rhoqo iinqanawa ezithile ze-wafer; kwaye nakwimisebenzi yokhuni ephezulu, isetyenziselwa ukwenza ubume obukhethekileyo kwiindawo zokhuni oluqinileyo.
IV. Izinto Okufanele Uzikhumbule Xa Uyisebenzisa
Kakade ke, i-alumina emhlophe exutywe kakuhle ayisiyonto "yokunyanga zonke," kwaye ixabiso layo eliphezulu lifumaneka kuphela xa isetyenziswa ngokuchanekileyo. Nazi iingcebiso ezimbalwa: Kwizinto ezithambileyo ngakumbi (ezifana neentsimbi ezithile kunye neeplastiki ezingenayo i-ferrous), khetha ngononophelo ubungakanani besuntswana kunye noxinzelelo ukuze uphephe ukusika kakhulu. Izixhobo zokuqhumisa kufuneka zihambelane, kwaye inkqubo yokurisayikilisha elungileyo ibalulekile ukuze kusetyenziswe ngokupheleleyo izibonelelo zayo ezinokurisayikilishwa kwaye kuncitshiswe iindleko. Nangona inobuhlobo nokusingqongileyo, izixhobo zokuzikhusela zomntu ngamnye zisafuneka; iiglasi zokhuseleko, iimaski zothuli, kunye neempahla zomsebenzi zobungcali zonke ziyimfuneko.