Tichikupai nzira itsva dzekugadzira zvidimbu zve parabolic flute drill dzakagadzirirwa kushandura ruzivo rwenyu rwekuchera. Kusiyana nekushandisa nzira dzekugadzira zvidimbu zve twist, zvidimbu zvedu zve parabolic flute drill zvine zvidimbu zvakafara uye zvakadzika zvakagadzirirwa kuvandudza zvidimbu zve chip. Izvi zvinoreva kuti zvinogona kubvisa zvidimbu zve chips zvinobudirira, zvichiita kuti zvive zvakanaka pakushandisa zvinhu zvakapfava zvakaita searuminiyamu nepurasitiki.
Chimwe chezvakanakira zvikuru zvema "parabolic flute drill bits" edu kuwedzera kushanda zvakanaka kwekucheka. Ma "drill" aya ane "chip evacuation" yakawedzerwa uye kukweshana kushoma kuti drill imhanye nekukurumidza uye nguva pfupi yekutenderera. Izvi hazvingowedzeri kubudirira chete, asi zvinokuchengetedzawo nguva nezvinhu zvinokosha.
Kuti tikwanise kusangana nezvinodiwa zvakasiyana zvekuboorera, tinopa mhando mbiri dzezviboorera zve parabolic groove: V-groove hombe uye V-groove diki. Zviboorera zve V-groove hombe zvinozivikanwa nekugona kwazvo kubvisa machip, zvichiita kuti zvive zvakanaka kune zvinhu zvakaoma kushandisa muchina zvakaita sesimbi isingatsvedzeri, mhangura nearuminiyamu. Zvinogona kuita kuti chips dzibude zvakanaka, zvichideredza njodzi yekuvharika uye kupisa zvakanyanya. Zvisinei, zvinofanira kucherechedzwa kuti simba rekutsigira simbi rezviboorera zve V-groove hombe rakaderera, uye rakakodzera zvakanyanya panguva apo zvinodiwa nesimbi hazvisi zvakaoma.
Zvidimbu zvedu zvidiki zveV-groove twist drill, kune rumwe rutivi, zvinopa mashandiro esimbi akanaka uku zvichichengetedza chip evacuation yakanaka. Izvi zvinoita kuti zvive sarudzo yakakwana yezvishandiso zvinoda simba rakawanda uye hunhu hwakasiyana hwechip evacuation. Kana basa rako richida kunzwisiswa zvakanyanya nesimbi, chidimbu chedu chidiki cheV-groove twist drill ndicho chakanakisa kwauri.
Kuti usarudze zvaunoda pakuboorera, funga nezvehunhu hwechinhu chauri kushanda nacho. Mabhora makuru eV-groove akakodzera kana uchigadzira zvinhu zvakaoma. Zvisinei, kana uchida kuomarara uye kushanda kwesimbi, sarudza bhora diki reV-groove.
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