Kodi nkhungu za graphite zingatsukidwe bwanji?
Kawirikawiri, ntchito youmba ikatha, dothi kapena zotsalira (ndi zinazake) zimatulukakapangidwe ka mankhwalandimakhalidwe enieninthawi zambiri zimasiyidwa pagraphite nkhungu. Pa mitundu yosiyanasiyana ya zotsalira, zofunikira zomaliza zoyeretsera zimakhala zosiyana. Ma resin monga polyvinyl chloride amatulutsa mpweya wa hydrogen chloride, womwe udzawononga mitundu yambiri ya chitsulo cha graphite. Zotsalira zina zimalekanitsidwa ndi zinthu zoletsa moto ndi ma antioxidants, zomwe zingayambitse dzimbiri ku chitsulo. Palinso mitundu ina ya utoto yomwe imatha kuchita dzimbiri ku chitsulo, ndipo dzimbirilo ndi lovuta kuchotsa. Ngakhale madzi otsekedwa, ngati asiyidwa pamwamba pa nkhungu ya graphite yosakonzedwa kwa nthawi yayitali, idzawononganso nkhungu ya graphite.
Chifukwa chake, nkhungu ya graphite iyenera kutsukidwa ngati pakufunika kutero malinga ndi nthawi yopangira yomwe yakhazikitsidwa. Nthawi iliyonse nkhungu ya graphite ikachotsedwa mu makina osindikizira, ma pores a nkhungu ya graphite ayenera kutsegulidwa kuti achotse dothi lonse losungunuka ndi dzimbiri kuchokera m'malo osafunikira a nkhungu ya graphite ndi template kuti isawononge pang'onopang'ono pamwamba ndi m'mphepete mwa chitsulo. Nthawi zambiri, ngakhale mutatsuka, nkhungu zina za graphite zosaphimbidwa kapena zozizira zidzawonetsanso dzimbiri posachedwa. Chifukwa chake, ngakhale zitatenga nthawi yayitali kutsuka nkhungu ya graphite yosatetezedwa, kuwoneka kwa dzimbiri sikungapeweke kwathunthu.
Kawirikawiri, mukamagwiritsa ntchito mapulasitiki olimba, mikanda yagalasi, zipolopolo za mtedza ndi ma pellet a aluminiyamu ngati zopopera ndi kuyeretsa pamwamba pa nkhungu za graphite, ngati zopopera izi zimagwiritsidwa ntchito mobwerezabwereza kapena molakwika, njira yopopera iyi ingayambitsenso mavuto. Kubowola kumachitika pamwamba pa nkhungu ya graphite ndipo zotsalira zimakhala zosavuta kuzitsatira, zomwe zimapangitsa kuti zotsalira zambiri ndi kuwonongeka, zomwe zingayambitse kusweka msanga kwa nkhungu ya graphite, zomwe sizikugwirizana ndi kuyeretsa nkhungu ya graphite.
Tsopano, ma graphite mold ambiri ali ndi mapaipi otulutsa mpweya “odziyeretsa okha”, omwe ali ndi kuwala kwambiri. Pambuyo poyeretsa ndikupukuta dzenje lotulutsa mpweya kuti akwaniritse mulingo wopukuta wa SPI#A3, mwina pambuyo popera kapena kupukuta, zotsalirazo zimatayidwa kumalo otayira zinyalala a chitoliro chotulutsira mpweya kuti zisamamatire pamwamba pa choyimilira chozungulira. Komabe, ngati wogwiritsa ntchito asankha ma pad otsukira opyapyala, nsalu ya emery, sandpaper, miyala yopukutira, kapena maburashi okhala ndi ma bristles a nayiloni, mkuwa kapena chitsulo kuti agaye nkhungu ya graphite pamanja, izi zimapangitsa kuti nkhungu ya graphite “itsukidwe” kwambiri.
Chifukwa chake, mutafufuza zida zoyeretsera zoyenera kugwiritsa ntchito popanga nkhungu za graphite ndi njira zokonzera, komanso mutaganizira njira zoyeretsera ndi machitidwe oyeretsera omwe alembedwa m'mafayilo osungidwa, nthawi yoposa 50% yokonza imatha kusungidwa, ndipo kuwonongeka kwa nkhungu ya graphite kumatha kuchepetsedwa bwino.
Nthawi yotumizira: Ogasiti-19-2021
