Self-tapping ntsia hlau: nws yog thiab qhov uas siv

Qhov no hom ntawm fastening hais xws li screws, siv zoo qhov txhia chaw. Nws yog ib qho nyuaj rau xav txog tej yam dab tsi lawv yuav tsum tau hloov yog tias tsim nyog. Check thiab mob threaded fasteners pub heev yooj yim screwed rau hauv qhov chaw ntawm cov ntaub ntawv uas sib txawv ntawm cov hom thiab thicknesses. Ntsia Hlau - yog tsis tsuas cov pas nrig yam ntxwv neeg thiab lwm xov, nyob rau hauv Feem ntau nws yog siv los txuas rau ntau yam designs ntawm cov hlau. Tag nrho cov qhov chaw ntawm no hom yuav muab faib mus rau hauv kev kho thiab kev kho kom haum, nyob ntawm seb tus qauv ntawm daim ntawv thov.

Self-tapping screws yog heev lug siv, lawv yog siv nyob rau hauv ntau industries, tiam sis feem ntau ntawm cov fasteners nyob rau hauv coob nyob rau hauv mechanical engineering. High muaj zoo, tsis tshua muaj sij hawm tus nqi, yooj yim ntawm kev siv ua rau kom qhov kev thov rau lub screws. Lawv yuav tsum tau screwed rau hauv tej, txawm tej thaj chaw deb qhov chaw, cov kev siv ntawm cov noob txiv yog tsis tsim nyog. Dhau li ntawd, nws tsis yog tsim nyog los ua ib lub qhov, ncaj qha thaum lub sij hawm los ua ke yog tsim ntawm nws tus kheej.

Nyob rau hauv feem ntau tus neeg mob nws tus kheej-tapping ntsia hlau yog thov rau txuas lug ua los ntawm cov ntaub ntawv xws li cov uas tsis muaj hlau, txhuas alloys thiab tooj liab thiab yas. Pib los ntawm lub npe, nws yog tsis tsim nyog xav tias tus ntsia hlau muaj peev xwm mus txiav cov khoom, uas nws txuas. Nws yuav ua rau ib tug yas deformation los ntawm nias nyob rau hauv ib tug hlau los yog yas.

Standards GOST 1478-93 thiab GOST 2702-93 regulates qhov zoo tshaj ntawm cov khoom thiab ntau lawm tshuab. Specifications ntawm galvanized screws nrog countersunk oval lub taub hau thiab yog nyob rau hauv lub dav dav daim ntawv no. Screws no kuj muaj nyob nrog cov uas muaj Phillips thiab lub tog raj kheej taub hau. Self-tapping ntsia hlau muaj ib tug ntau ntawm cov hom lwm tshaj li cov neeg uas muaj npe, kuj pom muaj ib tug zoo li tus taub hau, flange, lub hnub qub-tsav. Txawm li cas los, peb lub screws nyob rau hauv Lavxias teb sab Federation yog tsis siv, vim hais tias lawv tsis muaj cov qauv. Txawm tias thaum nws los txog rau tsim zoo, lawv yog cov ntau ntau hnyav tshaj tus qauv screws.

Self-tapping ntsia hlau, teej tug mus rau ib qho ntawm cov tshiab hom, yuav tsis muaj ntaub ntawv nyob rau hauv Lavxias teb sab ntau lawm. Yog vim li cas cov lus dag nyob rau hauv lub disparity ntawm qhov luaj li cas ntawm cov xov. Lub fact tias cov helical fasteners nrog lub hnub qub-tsav, zoo li tus taub hau thiab ib tug flange, txawm hais tias zoo tshaj li domestic, tab sis lawv muaj ib tug txawv kiag li xov. Nyob rau hauv tas li ntawd, lawv tsis sib haum mus rau qhov tam sim no siv tau peb cov qauv tswj qhov zoo ntawm cov khoom thiab ntau lawm tshuab. Tus tsim thiab loj ntawm lub screws thiab tsis ua raws li Lavxias teb sab qauv.

International Standard ISO 1478-2005 twb kis tau ib daim ntawv tshiab, uas lub ntau lawm thiab kev siv ntawm screws nrog ib tug npawv kawg. Tej zaum tsis ntev ib tug rau tus kheej-tapping ntsia hlau yuav tshwm sim nyob rau hauv Russia, thiab yuav tau siv sij hawm tus uas tsim nyog cov qauv. Nws tau ntev tau los hloov tag nrho Lavxias teb sab kev cai rau cov nyoog tau luag txuj kom thoob ntiaj teb cov qauv.

Thaum xaiv cov ntsia hlau tsim yog tsim nyog los pib los ntawm ib cov khoom uas yuav tsum tau ua ke, nws thickness thiab cov kev tsim nyog qhov tob ntawm lub qhov. Nyob ntawm seb lub hom ntawm cov kev pab, tag nrho cov nws tus kheej-tapping screws raug muab faib ua galvanized, electroplating thiab dub.