Qhuav phab ntsa ntsia hlau tus kheej tapping screws

Phosphated qhuav phab ntsa screws yog cov khoom siv yooj yim tshaj plaws, thaum xiav thiab dawb zinc qhuav phab ntsa screws yog ib qho ntxiv, thiab lawv cov peev txheej ntawm daim ntawv thov thiab cov nqi yuav yog tib yam. Qhov sib txawv me ntsis yog tias cov phosphating dub muaj qee qhov ntawm lubricity, thiab qhov nrawm nrawm (qhov ceev ntawm kev nkag mus rau ib qho kev qhia tuab ntawm steel phaj, uas yog qhov ntsuas qhov ntsuas zoo) yog qhov zoo dua me ntsis; Xiav thiab dawb zinc muaj kev tiv thaiv xeb zoo dua me ntsis, thiab cov khoom siv xim ntuj yog lub teeb, ua rau nws tsis tshua muaj kev ploj mus tom qab txheej kho kom zoo nkauj.

Yuav luag tsis muaj qhov sib txawv ntawm kev tiv thaiv xeb ntawm xiav dawb zinc thiab daj zinc, tsuas yog vim qhov sib txawv ntawm kev siv tus cwj pwm lossis cov neeg siv nyiam.

Cov xov ntawm ib leeg xov ntxhib hniav qhuav phab ntsa ntsia hlau yog dav dua, thiab qhov sib txuas ceev ceev kuj tseem nrawm dua. Nyob rau tib lub sijhawm, vim tias nws tsis ua rau cov qauv ntawm cov khoom siv ntoo nws tus kheej tom qab nkag mus rau hauv cov ntoo, nws yog qhov tsim nyog rau kev teeb tsa ntawm cov ntoo keel tshaj li ob txoj xov zoo hniav qhuav phab ntsa screws.

Siv rau kev sib txuas ntawm gypsum board thiab hlau keel nrog lub thickness tsis tshaj 2.3mm, muaj nyob rau hauv dub phosphating thiab daj zinc txheej xaiv. Cov peev txheej ntawm daim ntawv thov thiab tus nqi yuav khoom ntawm ob qho tib si yeej zoo ib yam. Thiab daj zinc muaj cov nyhuv tiv thaiv xeb zoo dua me ntsis, thiab cov xim ntuj ntawm cov khoom yog lub teeb, uas tsis yooj yim rau ploj tom qab txheej txheej.