I-PCD: Eyona ndlela ibalaseleyo yokwenza izinto ze-aluminium kwi-machining

Izixhobo zePolycrystalline Diamond (PCD) zibonelela ngeenzuzo ezibalaseleyo zokulungisa izinto ze-aluminium, kubandakanya ubomi bezixhobo obude kunye namazinga aphezulu okususa isinyithi. Nangona kunjalo, iindleko zazo zokuqala zinokuba phezulu, nto leyo enokubangela iindleko zokulungisa ezinyukileyo. Izinto ze-aluminium zanamhlanje ziguquke kakhulu, kwaye xa kulungiswa ii-aluminium alloys ezahlukeneyo ezisandula ukuphuhliswa—ingakumbi izinto ze-silicon composite eziphezulu—kubalulekile ukukhetha ngononophelo umgangatho wesixhobo se-PCD kunye neeparamitha zejiyometri ezifanelekileyo ukuze kuphuculwe imveliso kunye nomgangatho wokulungisa. Ngethamsanqa, ngenxa yokhuphiswano lwemarike kunye nokuqhubela phambili kwiinkqubo zokuvelisa, iindleko ze Izixhobo zePCD inciphe ngaphezulu kwama-50%, nto leyo eyenza ukuba zifikeleleke lula.

Iimpawu eziphambili zeZixhobo zePCD

Ii-PCD composite inserts zenziwa yidayimani enyibilikayo kunye ne-catalyst phantsi kobushushu obuphezulu kunye noxinzelelo, nto leyo ebangela isakhiwo esahlukileyo esine "bridges" ezidibanisa ii-particles zedayimani. Le nkqubo idala isakhiwo se-catalyst island, esifana nezinto zedayimani ze-monolithic. Ngokungafaniyo ne-PCBN (i-Polycrystalline Cubic Boron Nitride), engenazo izinto zokubopha phakathi kwee-particles ze-CBN, i-PCD inesakhiwo se-coalescent apho ii-particles zedayimani zidityaniswe ngee-lattice bridges.

Amanqanaba ezixhobo ze-PCD ahlulwe ngokobukhulu beesuntswana zedayimani. Ngokwemigangatho yoshishino, amanqanaba e-PCD amancinci, aphakathi, kunye narhabaxa ahambelana nobukhulu beesuntswana eziqikelelweyo ze-2 μm, 10 μm, kunye ne-25 μm, ngokwahlukeneyo. Amanqanaba e-PCD arhabaxa abonisa amandla amakhulu kunye nokumelana nokuguguleka, okubonelela ngobomi bezixhobo obude ngexesha lokwenziwa kwezixhobo ezirhabaxa. Nangona kunjalo, imiphetho yokusika yezixhobo ze-PCD ezirhabaxa isenokungafikeleli kugqibo olugudileyo olunokufikelelwa zizixhobo ze-PCD ezintle, ezithi, nangona zibonelela ngomgangatho ophezulu womphezulu, zidla ngokuguguleka ngokukhawuleza.

Izixhobo zokusika zePCD zilungele ukusetyenziswa njengeeblade zesarha yedayimani, i-coring kunye ne-drilling yokwakha, i-edge-trimming diamond cutters, i-turning and milling inserts, kunye ne-diamond drill bits zokugrumba imingxunya kwizinto ezidityanisiweyo kunye neebhodi zesekethe.

IBoreas ivelisa izixhobo zePCD ezidumileyo ngeempawu zazo ezibonakalayo ezibalaseleyo kunye noluhlu olubanzi lwezicelo, konke oku ngelixa igcina isakhiwo samaxabiso esikhuphisanayo. Ukuba unomdla wokuphucula ubuchule bakho bokwenza i-machining, iBoreas lukhetho lwakho oluphambili lwezixhobo zePCD ezikumgangatho ophezulu ezibonelela ngokusebenza kunye nexabiso.

Umzi-mveliso weDayimani iPolycrystalline yaseTshayina, uMenzi | Boreas (boreasdia.com)