Countersunk self drilling screws

Mfundo yogwirira ntchito ya countersunk self tapping screws ndiyosavuta. Ikayikidwa pamwamba pa chinthucho, nsonga yake yozungulira yozungulira imadula mwachindunji zinthuzo m'mabowo oyenerera. Pamene screw ikuzungulira, mawonekedwe a mano a mutu wake amakulunga zinthuzo, kulola kuti screw ikhalepo.

Zowononga zamtunduwu zimakhala ndi mawonekedwe obowoleza kapena osongoka mchira kumapeto, popanda kufunikira kothandizira. Pakuphatikiza, wonongayo imatha kubowola bowo lapakati pachokha, ndiyeno gwiritsani ntchito zingwe zoyandikana nazo kuti mudziponye nokha ndikutulutsa ulusi wofananira mu dzenje la chonyamulira. Chifukwa chake, amatchedwa "self drilling self tapping screw". Amagwiritsidwa ntchito makamaka pokonza zitsulo zamitundu yamitundu muzitsulo zazitsulo ndipo angagwiritsidwenso ntchito pokonza mapepala opyapyala m'nyumba zosavuta, koma sangagwiritsidwe ntchito pogwirizanitsa ndi kukonza zitsulo kuzitsulo.

1. Kubowola mwachangu, kubowola, kugogoda, ndi kutseka kumatsirizidwa nthawi imodzi.

2. Kugwira ntchito bwino kwa zomangamanga, kuonjezera kusunga nthawi, kuonetsetsa kuti ntchito ikuyenda bwino, komanso kupititsa patsogolo phindu lachuma.

3. Mphamvu yomangirira yamphamvu, mphamvu yomangirira kwambiri, komanso kukhazikika kwakukulu.

Kusiyana pakati pa zomangira za countersunk self tapping ndi zomangira za flat headed self tapping. Countersunk self tapping screws amatanthawuza zomangira zomwe, zikamangitsa, zimakhala ndi mutu womwe siwotalikirapo kuposa malo athyathyathya omwe akulowetsedwamo, ndipo amatha kukhala ndi malo athyathyathya komanso okongola. Zomangira zamtunduwu zimakhala ndi ma groove osiyanasiyana monga groove yowongoka, poyambira pamtanda, ndi maluwa a plums groove, ndipo ma groove akuyenera kufalikira mpaka pakati pa wononga kuti tchipisi zisatseke potsekera. ndi zomangira flat head self tapping

① Maonekedwe osiyanasiyana

Chipewa cha countersunk self tapping screw chili ndi mbali imodzi yathyathyathya, pamene mbali inayo ili ndi taper; Chipewa chokhala ndi wononga mutu wodzigudubuza ndi wononga;

② Kugwiritsa ntchito mawonekedwe osiyanasiyana

Malo olumikizirana pakati pa skruunk self tapping screw ndi chogwirira ntchito ndi chokongonongoka, pomwe sikona ya mutu wathyathyathya ndi yosalala;

③ Mabwenzi osiyanasiyana

Countersunk self tapping screws zitha kugwiritsidwa ntchito molumikizana ndi ma washer okhala ndi digiri inayake ya taper, pomwe zomangira papulatifomu zitha kugwiritsidwa ntchito molumikizana.