Ukhuseleko lwe-white corundum powder kwi-polish device yonyango
Ngena kuso nasiphi na isixhobo sonyangoukupholishaiworkshop kwaye unokuva i-hum ephantsi yomatshini. Abasebenzi kwiisuti ezikhusela uthuli basebenza nzima, besebenzisa amandla otyando, iiprotheses ezidibeneyo, kunye nezixhobo zamazinyo ezivutha ngokubandayo ezandleni zabo - ezi zixhobo zokusindisa ubomi azikwazi ukuphepha inkqubo ephambili ngaphambi kokushiya umzi-mveliso: ukupolisha. Kwaye i-white corundum powder "isandla somlingo" esiyimfuneko kule nkqubo. Nangona kunjalo, kwiminyaka yakutshanje, kunye nokuvezwa kwamatyala amaninzi e-pneumoconiosis yabasebenzi, ishishini liye laqala ukuphinda lihlolisise ukhuseleko lwalo mgubo omhlophe.
1. Kutheni kuyimfuneko ukupolisha izixhobo zonyango?
Kwiimveliso "ezibulalayo" ezinje ngeencakuba zotyando kunye nokufakelwa kwamathambo, ukugqitywa komphezulu asingomcimbi wobuhle, kodwa ngumgca wobomi nokufa. I-micron-size burr inokubangela umonakalo kwithishu okanye ukukhula kwebhaktiriya.I-white corundum micropowder(icandelo eliphambili α-Al₂O₃) "unamandla anzima" we-9.0 kwisikali sobunzima be-Mohs. Iyakwazi ukusika i-metal burrs ngokufanelekileyo. Ngelo xesha, iimpawu zayo ezimhlophe ezicocekileyo azingcolisi umphezulu we-workpiece. Ngokukodwa ifanelekile kwizinto zonyango ezifana ne-titanium alloy kunye nensimbi engenasici.
Unjineli uLi ovela kumzi-mveliso wezixhobo ezithile eDongguan wathi ngokunyaniseka: “Ndikhe ndazama ezinye iziqhoboshi ngaphambili, kodwa mhlawumbi umgubo wentsimbi oshiyekileyo wawubuyiswe ngabathengi okanye ukusebenza kakuhle kokupolisha kuphantsi kakhulu.I-corundum emhlophe ukusikwa ngokukhawuleza nangokucocekileyo, kwaye izinga lesivuno liye landa ngokuthe ngqo nge-12% - izibhedlele aziyi kwamkela iiprostheses ezidibeneyo ezinemikrwelo. Okubaluleke ngakumbi, ukungazenzisi kweekhemikhali akusebenzi ngezixhobo.
2. Iinkxalabo zokhuseleko: elinye icala lomgubo omhlophe
Nangona le powder emhlophe izisa iingenelo zenkqubo, iphinda ifihle iingongoma zengozi ezingenakunakwa.
Ukuphefumla uthuli: inombolo yokuqala "umbulali ongabonakaliyo"
I-Micropowder ene-particle ye-0.5-20 microns ilula kakhulu ukudada. Idatha evela kwiziko lokukhusela kunye nonyango lwendawo kwi-2023 ibonise ukuba izinga lokufumanisa i-pneumoconiosis phakathi kwabasebenzi ababonakaliswe kwiindawo eziphezulu zothuli olumhlophe lwe-corundum ixesha elide lafikelela kwi-5.3%. 2. “Yonke imihla emva komsebenzi, kukho umaleko wothuthu olumhlophe kwisigqubuthelo sobuso, yaye isikhohlela esikhohlelelweyo siba nesanti,” yatsho enye ipolishe engafunanga negama layo. Eyona nto inzima kukuba ixesha lokuqandusela ipneumoconiosis linokuba yiminyaka elishumi. Iimpawu zokuqala zithambile kodwa zinokonakalisa ngokungenakulungiseka izicubu zemiphunga.
Ulusu kunye namehlo: iindleko zoqhagamshelwano ngqo
Amasuntswana e-micropowder abukhali kwaye anokubangela ukurhawuzelelwa okanye imikrwelo xa efika eluswini; xa zingena emehlweni, ziyakwazi ukukrwela ngokulula i-cornea. 3. Ingxelo yengozi evela kumzi-mveliso owaziwayo we-OEM ngo-2024 wabonisa ukuba ngenxa yokuguga kwetywina lokukhusela i-goggles seal, umsebenzi wafumana uthuli emehlweni akhe xa etshintsha i-abrasive, okubangelwa ukukrala kwe-cornea kunye nokuvalwa kweeveki ezimbini.
Isithunzi sentsalela yeekhemikhali?
Nangona i-corundum emhlophe ngokwayo izinzile ngokwekhemikhali, iimveliso eziphantsi zinokuba nezixa zetsimbi ezinzima ukuba ziqulethe i-sodium ephezulu (Na₂O> 0.3%) okanye ayicocwanga ngokucokisekileyo. 56. I-arhente yokuvavanya ikhe yafumanisa i-0.08% Fe₂O₃6 kwibhetshi ye-corundum emhlophe ebhalwe "ibakala lezonyango" - oku ngokungathandabuzekiyo kuyingozi efihliweyo kwiintliziyo zentliziyo ezifuna i-biocompatibility epheleleyo.
3. Ukulawula umngcipheko: faka "umgubo onobungozi" kwi-cage
Ekubeni ingenakuthathelwa indawo ngokupheleleyo, uthintelo lwenzululwazi nolawulo kuphela kwendlela yokuphuma. Iinkampani eziphambili kwishishini ziye zahlola "izitshixo zokhuseleko" ezininzi.
Ulawulo lobunjineli: Bulala uthuli kumthombo
Itekhnoloji yokupolisha emanzi ifumana ngokukhawuleza ukuthandwa - ukuxuba i-micro powder kunye nesisombululo samanzi kwi-paste yokusila, ubuninzi bokukhutshwa kothuli lwehla ngaphezu kwe-90% ye-6. Umalathisi wendibano yokusebenzela kumzi-mveliso odityanisiweyo wokwenziwa kwamalungu enziwe eShenzhen wenza izibalo: “Emva kokutshintshela ekubeni kumanzi okusila, umjikelo wokutshintshwa kwesihluzo somoya ococekileyo wandiswa ukusuka kwiveki e-1 ukuya kwiinyanga ezi-3. Kubonakala ngathi esi sixhobo sibiza imali eninzi ngama-300 000, kodwa imbuyekezo yesifo esisindisiweyo kunye nelahleko yokunqunyanyiswa kwemveliso iya kuzihlawulela ngokwazo kwiminyaka emibini.” Inkqubo yokukhutshwa kwendawo edibeneyo kunye netafile yokusebenza yoxinzelelo olubi inokuphinda ithintele uthuli2 olubalekayo.
Ukhuseleko lomntu: umgca wokugqibela wokuzikhusela
Iimaski zothuli ze-N95, iiglasi ezivaliweyo zokhuselo, kunye ne-anti-static jumpsuits zizixhobo eziqhelekileyo zabasebenzi. Kodwa ubunzima ekuphunyezweni buxhomekeke ekuthotyelweni - iqondo lobushushu kwiworkshop lidlula 35℃ ehlotyeni, kwaye abasebenzi bahlala bekhulula iimaski zabo ngokufihlakeleyo. Ngenxa yesi sizathu, i-factory e-Suzhou yazisa i-respirator ehlakaniphile kunye ne-micro fan, ethatha ingqalelo ekukhuseleni kunye nokuphefumula, kwaye izinga lokuphulwa liye lehla kakhulu.
Uphuculo lwezinto eziphathekayo: umgubo omncinci okhuselekileyo uyazalwa
Isizukulwana esitsha sonyango lwe-sodium ephantsicorundum emhlophe(Na₂O<0.1%) inokungcola okuncinci kunye nokusabalalisa ubungakanani besuntswana eligxininisiweyo ngokukhetha okunzulu kunye nokuhlelwa kokuhamba komoya. 56. Umlawuli wezobugcisa wenkampani ye-abrasive kwiPhondo laseHenan ubonise umfuniselo othelekisayo: i-2.3μg / cm² yentsalela ye-aluminium yafunyanwa kumphezulu wesixhobo emva kokupolisha nge-powder micro yendabuko, ngelixa imveliso ye-sodium ephantsi yayiyi-0.7μg / cm² kuphela, ingaphantsi komda oqhelekileyo we-ISO 10993.
Isikhundla seumgubo omhlophe wecorundumkwintsimi yezixhobo zonyango zokupholisa kuya kuhlala kunzima ukugubha kwixesha elifutshane. Kodwa ukhuseleko lwayo aluzalwanga, kodwa lukhuphiswano oluqhubekayo phakathi kobuchwephesha bezinto eziphathekayo, ulawulo lobunjineli kunye nolawulo lwabantu. Xa uthuli lokugqibela lwasimahla kwindawo yokusebenzela lubanjwa, xa umphezulu ogudileyo wesixhobo sotyando ngasinye ungasekho kwindleko yempilo yabasebenzi – sibambe ngokwenene isitshixo “sokupholisha okukhuselekileyo”. Emva koko, ukucoceka kwonyango lwezonyango kufuneka kuqale kwinkqubo yokuqala yokuvelisa.