Mokhoa oa ho khetha li-drill tse nepahetseng?

2. Mefuta ea Bit ea Drill:
Li-drill bits li tla ka mefuta e fapaneng, e 'ngoe le e' ngoe e etselitsoe lits'ebetso tse ikhethileng. Mona ke tse seng kae tse tloaelehileng tseo u lokelang ho li ela hloko:
- Li-Twist Drill Bits: Likotoana tsena tse feto-fetohang ke tse atileng haholo 'me li tla ka boholo bo fapaneng. Li loketse ho cheka lehong, polasetiki le litšepe tse ngata.
- Li-Spade Drill Bits: Li boetse li tsejoa e le li-paddle bits, li na le hlooho e bataletseng, e bōpehileng joaloka likharafu 'me li loketse ho phunya masoba a maholo ka lehong.
- Masonry Drill Bits: Joalo ka ha ho boletsoe pejana, likotoana tsa masonry tse nang le ntlha ea carbide li etselitsoe ka kotloloho hore li kene ka har'a lisebelisoa tse thata joalo ka setene, konkreite kapa lejoe.
- Forstner Drill Bits: Li-bits tsena tse khethehileng li sebelisoa haholo-holo bakeng sa ho phunya masoba ka lehong. Hangata li sebelisoa mererong ea khabinete le ea mapolanka.
- Hole Saw Drill Bits: E loketse ho seha masoba a bophara bo boholo, likotoana tsa sekoti li sebelisoa hangata ho kenya liphaephe tsa metsi kapa tsa motlakase.

3. Mofuta oa boholo le Shank:
Likotoana tsa ho cheka li tla ka boholo bo fapaneng, bo lekantsoeng ka likaroloana kapa limilimithara. Boholo boo u bo khethang bo tla itšetleha ka bophara ba lesoba le hlokahalang bakeng sa morero oa hau. Ho phaella moo, o lokela ho nahana ka mofuta oa shank oa li-drill bits, tse khethollang ho lumellana le drill ea hau. Li-drill tse ngata li amohela likotoana tsa shank tse chitja, empa tse ling li hloka li-shank tsa hexagonal kapa tsa SDS. Netefatsa hore likotoana tse khethiloeng tsa ho cheka li lumellana le mochini oa hau ho qoba mathata afe kapa afe.

4. Boleng le Tšireletseho:
Ho tsetela ho li-drill tsa boleng bo holimo ho bohlokoa ho netefatsa ho tšoarella le ts'ebetso. Likotoana tsa ho cheka tse theko e tlaase, tsa boleng bo tlase li ka 'na tsa ba lerootho kapele, tsa etsa hore li futhumale ho feta tekano 'me li ka senya mosebetsi oa hau. Batla likotoana tsa ho cheka tse entsoeng ka tšepe ea lebelo le phahameng (HSS) kapa tse nang le liaparo tse kentsoeng joalo ka titanium kapa cobalt, kaha li tsebahala ka ho tšoarella ha tsona le bokhoni ba ho mamella mocheso.

5. Likarolo tse Eketsehileng:
Leha ho sa hlokahale, likotoana tse ling tsa ho cheka li tla le likarolo tse ling tse ka ntlafatsang boiphihlelo ba hau ba ho cheka. Ka mohlala, li-bits tse ling li na le liphala tse hahelletsoeng ka hare bakeng sa ho tlosa chip, ha tse ling li na le li-geometri tse khethehileng ho fokotsa mocheso le khohlano. Nahana ka likarolo tsena e le li-bonase tse ka ntlafatsang ts'ebetso le boiketlo ba mesebetsi ea hau ea ho cheka.

Ho khetha likotoana tse nepahetseng tsa ho cheka ho ka ama katleho ea merero ea hau ea ho cheka haholo. Ka ho nahana ka ho lumellana ha lintho tse bonahalang, mefuta ea li-drill bits, boholo le mofuta oa shank, boleng le ho tšoarella, le likarolo tse eketsehileng, u ka etsa qeto e nang le tsebo e netefatsang ho cheka ho nepahetseng le ka katleho nako le nako. Hopola, ho tsetela ho li-drill bits tsa boleng bo holimo ke letsete le bohlale la nako e telele, kaha li tla tšoarella nako e telele 'me li fane ka litholoana tse ntle. Kahoo, pele u qala papali ea hau e latelang ea ho cheka, iphe nako ea ho khetha likotoana tse nepahetseng, 'me u shebelle merero ea hau e phela ntle le matla.