Lub tswv yim ntawm Nails

Tus ntsia thawv yog hais txog cov hlau taw tes (feem ntau yog hlau) siv los kho cov khoom xws li ntoo. Hammers tsav cov ntsia hlau rau hauv cov khoom, thiab tsis ntev los no tau tshwm sim ntawm cov ntsia thawv hluav taws xob thiab cov roj ntsia hlau phom. Qhov laj thawj vim li cas cov ntsia hlau tuaj yeem ruaj khov khoom yog los ntawm lawv tus kheej deformation thiab txuas rau lawv, nrog rau kev sib txhuam. Cov ntsia hlau yog ib qho ntawm cov khoom siv tshaj plaws hauv kev kho kom zoo nkauj. Hlau cam khwb cia rau tes kuj hu ua hlau ntsia hlau, thiab steel cam khwb cia rau tes kuj hu ua steel ntsia hlau.
tswvyim
Hauv engineering, kws ntoo, thiab kev tsim kho, cov ntsia hlau xa mus rau cov hlau tawv tawv (feem ntau yog hlau) siv los kho cov ntoo thiab lwm yam khoom. Hammers tsav cov ntsia hlau rau hauv cov khoom, thiab tseem muaj cov ntsia hlau ntsia hlau phom thiab roj ntsia hlau phom. Cov ntsia hlau tuaj yeem ua kom cov khoom ruaj khov los ntawm kev sib txuas rau lawv los ntawm lawv tus kheej deformation thiab kev sib txhuam.
Cov ntsia hlau tuaj hauv cov duab sib txawv vim lawv siv ntau yam. Cov ntsia hlau feem ntau hu ua "cov ntsia hlau ntsia hlau", thiab lwm cov npe ntsia hlau muaj xws li tus pin, daim duab ntsia hlau, lossis lub taub hau ntsia hlau. Cov ntsia hlau muaj ntau yam kev siv thiab ntau yam kev siv. Rivets siv nyob rau hauv dav dav dav hlau nqa khoom kim dua, thaum cov ntsia hlau zoo tib yam yog pheej yig dua