E 'ngoe ea matla a rona a mantlha ke bokhoni ba rona ba ho fumana ho nepahala le ho nepahala ho ikhethang lits'ebetsong tsa ho fetola CNC.Ka boitseanape ba rona, re ka fihlela mamello e tiileng ho li-diameter tse ka hare le tsa kantle, re netefatsa ho nepahala ka har'a 0.01 mm.Ho feta moo, boitlamo ba rona ba bokhabane bo netefatsa hore lihlahisoa tsa rona li na le ho pota-pota ha 'nete ka har'a 0.005 mm le mamello ea boemo ka har'a 0.02 mm.Mamello ena e ke keng ea bapisoa e etsa hore ho nepahala ha rona CNC e fetole lihlahisoa tsa polasetiki tse loketseng mefuta e mengata ea liindasteri le lits'ebetso.
Re sebelisa mefuta e fapa-fapaneng ea li-plastiki tse sebelisoang hangata, ho akarelletsa le ABS, PP, PE, POM, PA6, PC, PMMA, PTFE, PEEK, joalo-joalo Lethathamo lena le pharaletseng le tiisa hore re ka finyella litlhoko leha e le life tse khethehileng tsa thepa ea polasetiki eo bareki ba rona ba ka bang le eona.Sehlopha sa rona se tseba hantle thepa e ikhethang ea thepa e 'ngoe le e' ngoe ea polasetiki, ho netefatsa hore re ka ntlafatsa ts'ebetso ea ho fetola CNC ho fihlela sephetho se lakatsehang ho bareki ba rona.
Lihlahisoa tsa rona tsa polasetiki tse nepahetseng tsa CNC li sebelisoa mefuteng e mengata ea lits'ebetso.Lihlahisoa tsena li sebelisoa liindastering tse kang tsa likoloi, tsa elektroniki, tsa bongaka le tsa bareki.Mehlala ea rona ea CNC e fetotsoeng lihlahisoa tsa polasetiki e kenyelletsa likarolo tse rarahaneng bakeng sa lienjine tsa makoloi, likarolo tsa lisebelisoa tsa bongaka tse nepahetseng, le likarolo tsa polasetiki tse tloaelo bakeng sa lisebelisoa tsa elektroniki.Bokhoni ba rona ba ho fana ka likarolo tsa boleng bo holimo, tse entsoeng ka nepo li netefatsa hore bareki ba rona ba ka itšetleha ka rona ho fihlela litlhaloso tsa bona hantle.
