Self-tapping screws vs. akajairwa screws, ndeipi iyo "mutungamiri" muindasitiri yekutsanya?

Munyika yemafasteners, self-tapping screws uye akajairwa screws ane zvawo zvakanakira, uye anoita basa rakakosha mumamiriro akasiyana ekushandisa. Ichi chinyorwa chinoongorora maitiro, mabhenefiti uye anoshanda mamiriro eaya maviri screws zvakadzama kuti akubatsire iwe kunzwisisa zviri nani chinzvimbo chavo muindasitiri yekusimbisa.

1. Hunhu hwekuzvirova-tapping screws

Self-tapping screws yakasarudzika dhizaini ine tambo dzinogona kuchekwa zvakananga muzvinhu pasina pre-drilling. Iyi dhizaini inoita kuti zvikumbiro zvekuzvirova zvive nyore uye nekukurumidza kuisa, kunyanya kune zvinhu zvakaita semapepa matete uye mapurasitiki. Self-tapping screws inowanzogadzirwa nepamusoro-simba zvinhu, ine yakasimba tensile uye shear kuramba, uye inogona kupa yakagadzikana yekusimbisa mhedzisiro.

Zvakanakira:

Kuchengetedza nguva uye kuchengetedza basa: hapana pre-drilling inodiwa, uye kuisirwa kunokurumidza.

Kushanda kwakasimba: inogona kushandiswa kune zvakasiyana-siyana zvezvinhu, zvakadai sesimbi, plastiki uye huni.

Simba rakakwirira: kushanda kwakanaka kana uri pasi pemutoro.

2. Hunhu hweakajairika screws

Ordinary screws ndiyo yakajairika fasteners, iyo inowanzoda maburi ekuchera mune izvo zvinhu kuti zvibatanidzwe kutanga, uyezve kubatanidza zvikamu zviviri pamwe nema screws. Akajairika screws anouya mumhando dzakawanda uye zvakatemwa, uye iwe unogona kusarudza iyo chaiyo modhi zvinoenderana nezvinodiwa zvakasiyana.

Zvakanakira:

Kusiyana-siyana: Kune marudzi akawanda uye akakodzera kune zvakasiyana-siyana zvekutsanya zvinodiwa.

Removability: Zvokugadzika screws zvinogona kubviswa nyore uye kutsiviwa, izvo zvakakodzera kune zviitiko zvinoda kugadziriswa.

Yakasimba yekubatanidza: Mune zvimwe zviitiko, akajairwa screws anopa yakasimba yekubatanidza simba.

3. Kuenzanisa kwemamiriro ekushandiswa

Self-tapping screws uye akajairwa screws zvakare akasiyana muminda yavo yekushandisa. Semuenzaniso, mukugadzira mota uye kuungana kwemidziyo yemumba, self-tapping screws inowanzo shandiswa zvakanyanya nekuda kwekukurumidza kuisirwa maitiro. Mukugadzirisa kwekuvaka uye michina michina, akajairwa screws isarudzo yakanyanya kunaka nekuda kwekubviswa kwavo uye kubatana kwakasimba.

4. Kuongorora kwakadzama

Muindasitiri yekusimbisa, self-tapping screws uye akajairwa screws ane zvawo zvakanakira. Ndeipi screw yekusarudza zvinoenderana nezvinodiwa zvekushandisa. Kana kukurumidza uye nyore kuisirwa kuchidikanwa, self-tapping screws hapana mubvunzo sarudzo iri nani; kana disassembly uye yakasimba yekubatanidza ichidikanwa, akajairwa screws akanyanya kukodzera.

Mhedziso

Muindasitiri yekumisikidza, ma-self-tapping screws uye akajairwa screws imwe neimwe ine yayo "yemutungamiri" mamiriro, uye kiyi ndeyekusarudza siruu chaiyo kuti isangane nezvinodiwa zvekushandisa. Kunzwisisa maitiro avo uye mamiriro anoshanda anogona kukubatsira iwe kuita sarudzo dzine ruzivo mubasa chairo.