Txog kev siv lub qhov (socket) hexagon ntsia liaj qhov rooj, kev tiv thaiv xeb yog qhov txuas tseem ceeb. Raws li qhov xwm txheej xeb sib txawv, tuaj yeem siv txoj kev kho mob sib txawv. Cov lus piav qhia luv ntawm xya txoj hauv kev tiv thaiv kev txhim kho xeb ntawm txoj hlua khi.
1. Oxidation
Txij li nws yuav luag tsis muaj peev xwm tiv thaiv xeb vim ua rau dub, nws yuav xeb sai tom qab nws tsis muaj roj. Torque-pre-tightening force sib xws ntawm cov blackened square column template kuj tseem txom nyem heev. Yog tias koj xav tau txhim kho, koj tuaj yeem thov roj rau ntawm cov xov sab hauv thaum sib dhos thiab tom qab ntawd ntsia hlau rau.
Thib ob, kev sib deev
Sherardizing yog zinc hmoov khoom hlau metallurgical thermal diffusion txheej. Nws qhov tsis sib xws yog qhov zoo, txheej txheej tuaj yeem tau txais hauv cov xov thiab qhov muag tsis pom qhov, thiab nws cov txheej txheem ua haujlwm tsis muaj kuab paug thiab ib puag ncig zoo.
Peb, electro-galvanized
Cov txheej txheem electro-galvanizing yog nquag ua rau hydrogen embrittlement, thiab qhov sib xws tsis zoo. Coj mus rau 500-qhov siab square kab ntawv txuas nrog nws, thiab xyuam xim rau qhov xwm txheej ntawm daim npav qhov sib cuam tshuam thaum lub rooj sib dhos. Siv lub koom haum pabcuam, qhib lub koomhaum pabcuam, thiab kaw lub koomhaum pabcuam ntawm cov ntoo sab ntawm qhov sib koom ua ke ntawm ob lub xwmfab xwmfab qauv raws li qhov chaw cim, thiab ua kom nruj nws ntawm lwm sab ntawm tib qhov siab los cim txoj haujlwm nrog qhov siab ntawm 150mm los ntawm hauv av. Siv daim duab plaub fab xwm txheej nrog qhov siab ntawm 1000mm thiab daim duab plaub fab xwm txheej nrog qhov siab ntawm 500mm, thiab tom qab ntawd kaw nws ntawm qhov chaw cim nrog lub koom haum pabcuam. Tom qab ntawd kaw nws nrog lub koom haum pabcuam. Ua ntej tso ib daim ntawm ib-thooj lauj tshib clamp daim kab rov tav ntawm lub koom haum pabcuam. Muab lub luj tshib nce, hla qhov kawg ntawm qhov clip thib ob los ntawm qhov chaw khoov ntawm lub taub hau ntawm daim clip, thiab tom qab ntawd muab nws tso rau hauv kab rov tav ntawm lub koom haum pabcuam. , Thiab tsis ruaj tsis khov, feem ntau tsis siv rau kev txuas ntawm qhov tseem ceeb. Txhawm rau txhawm rau txhim kho lub zog ua ntej-nruj nruj sib xws, cov txheej txheem txheej txheej lubricating tshuaj tom qab plating kuj tseem tuaj yeem siv los txhim kho thiab nce lub zog.
Plaub, cadmium electroplating
Kev tiv thaiv xeb ntawm cadmium txheej yog qhov zoo heev, tshwj xeeb tshaj yog nyob rau hauv huab cua hauv hiav txwv, kev tiv thaiv xeb yog qhov zoo dua li lwm qhov kev kho saum npoo. Kev kho cov dej khib nyiab hauv txheej txheem ntawm cadmium electroplating yog kim thiab kim, thiab nws tus nqi yog kwv yees li 15-20 npaug ntawm cov tshuaj electrogalvanized zinc. Yog li ntawd, nws tsis siv rau hauv kev lag luam dav dav thiab tsim nyog rau txuas rau cov roj drilling platforms thiab HNA dav hlau.
Tsib, chrome plating
Cov txheej txheej chromium ruaj khov nyob rau hauv cov huab cua, tsis yooj yim hloov xim thiab poob luster, muaj qhov nyuaj thiab ua tau zoo tiv taus. Chrome plating ntawm cov khawm khawm feem ntau siv rau lub hom phiaj zoo nkauj.
Rau, phosphating
Ob qhov feem ntau siv txuas phosphating: zinc phosphating thiab manganese phosphating. Zinc-based phosphating muaj cov khoom ua kom zoo dua li manganese-based phosphating, thiab manganese-based phosphating muaj kev txhim kho corrosion zoo dua thiab hnav tsis kam. Ntau qhov kev lag luam fasteners raug kho nrog phosphating roj. Vim tias nws muaj qhov ua kom lub zog ua ntej nruj nruj zoo ib yam, nws tuaj yeem lav kom ua tau raws qhov kev xav tau nruj los ntawm kev tsim thaum sib dhos, yog li nws tau siv ntau hauv kev lag luam, tshwj xeeb yog kev sib txuas ntawm qee qhov tseem ceeb.
Xya, nyiaj plating, npib tsib xee plating
Cov nyiaj txheej tuaj yeem tsis tsuas yog tiv thaiv kev xeb, tab sis kuj ua raws li cov roj nplua nyeem rau cov khawm nrawm. Vim tus nqi vim li cas, cov txiv ntoo yog cov nyiaj plated, cov ntsia hlau tsis siv, thiab qee zaum cov ntsia hlau me kuj tseem yog cov plated. Fasteners yog plated nrog npib tsib xee, uas yog siv feem ntau nyob rau hauv qhov chaw uas tiv thaiv xeb thiab zoo hluav taws xob conductivity yuav tsum tau. Xws li lub dav hlau tawm ntawm lub roj teeb hauv lub tsheb.
