Li entsoe ho latela maemo a indasteri a DIN 1897 (boholo ba metric), e leng se thusang ho netefatsa hore likarolo tsa ho phunya lefatšeng ka bophara, li latela litlhaloso tse tšoanang.
Li sebelisoa mechineng e kang li-drill tse nkehang ka letsoho, li-drill press, litsi tsa machining le li-lathe. Li-drill bits li tla ka mefuta le bolelele bo fapaneng.
E latela maemo a NAS 907, a sebelisoang indastering ea lifofane. Li-drill bits tse khutšoane, bakeng sa ho tiea ho betere le matla a eketsehileng. Tšepe e lebelo le phahameng (HSS) e nang le cobalt ke motsoako o motle oa ho tiea le ho thatafala, bakeng sa ho sebelisoa ha ho chekoa linthong tse thata. Gold oxide, e boloka mokelikeli o sehang le ho thibela ho tjheseletsa chip ho ea ho sesebelisoa. Likhutlo tse arohaneng tsa likhato tse 135, e ntle bakeng sa thepa e thata, e thata.
Likaroloana
Sekoti sena se na le sebopeho se nepahetseng sa mobu, mofuta oa ho seha ka letsoho le letona oa N le moralo o mokhutšoanyane oa cylindrical. Ka thepa ea eona ea HSS e sebetsang hantle le karolo e tenyetsehang ea 135°, qetello ea bokaholimo bo boreleli ba mobu e lumellana le DIN 1412 C (ho tloha bophara ba 3.0 mm).
Likopo
Bakeng sa lipoleiti tse tšesaane, tšepe le tšepe e entsoeng ka tšepe (e kopantsoeng le e sa kopantsoeng, matla a fihlang ho 800 N/mm²), tšepe e entsoeng ka tšepe, tšepe e bonolo, tšepe e ductile, li-alloy tsa aluminium tse nang le chip e khutšoanyane, koporo, koporo e thata, boronse, li-die castings, jj.
Molemo
E loketse haholo bakeng sa mechine ea ho cheka e tšoaroang ka letsoho, ka lebaka la ntlha ea ho cheka e ikemetseng, e lumellang ho cheka ka ho nepahala ntle le ho sebelisa sekontiri se bohareng.
Re ntse re tsepamisitse maikutlo lipatlisisong, nts'etsopele, tlhahiso le thekisong ea li-drill bits tsa HSS twist. Re fana ka mefuta e fapaneng ea lihlahisoa tsa HSS twist drill le litlhaloso ho fihlela maemo a fapaneng, lits'ebetso tse ikhethileng le litlhoko tsa motho ka mong. Lilemong tse 14 tse fetileng, re hahile botumo bo botle ka boiteko ba rona bo sa khaotseng. Lihlahisoa tsa rona li romeloa Russia, USA, Jeremane, Fora, Thailand, Vietnam, Brazil, Middle East le linaheng tse ling tse ngata le libaka, 'me re fana ka lihlahisoa tsa rona ho lihlahisoa lefatšeng ka bophara.
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