Bolts raug cais los ntawm qib sib txawv, thiab cov bolts ntawm cov khoom sib raug zoo yuav tsum raug xaiv raws li kev tsim qauv sib txawv, uas tsis tuaj yeem ua tau yooj yim. Tsis tas yuav piav qhia txog cov ntaub ntawv ntawm cov bolts zoo tib yam, vim tias feem ntau hom bolts zoo tib yam tau yooj yim muaj nyob hauv khw. Ntxiv mus, yeej tsis muaj kev txhawb siab rau cov khoom siv dag zog nrog cov bolts zoo tib yam - tom qab tag nrho, nws tsis muaj kev nkag siab zoo rau kev dag cov bolts nrog tus nqi ntawm 100 yuan tsuas yog muag lawv rau 90 yuan. Haha. Yog li ntawd, peb yuav tsom mus rau qhov tseem ceeb ntawm kev paub txog siab - lub zog bolts.
Qhov txawv ntawmsiab - lub zog boltsthiab cov bolts zoo tib yam yog thawj zaug hauv cov khoom siv raw, thiab tom qab ntawd hauv cov txheej txheem kho cua sov siv thaum lub sijhawm tsim khoom. Txheem siab - lub zog bolts yog qhov zoo tshaj plaws rau cov bolts zoo tib yam raws li lub zog torque thiab lwm yam khoom siv kho tshuab. Cov txheej txheem quenching rau siab - lub zog bolts yog cov txheej txheem nruj heev, nrog cov kev cai nruj heev rau qhov kub thiab txias thiab lub sijhawm quenching. Hauv kev xyaum ua lag luam, feem ntau lees paub siab - lub zog bolts tsis suav nrog Qib 8.8 nruab nrab- carbon steel bolts; siab- lub zog bolts feem ntau yog xa mus rau ob pawg: Qib 10.9 thiab Qib 12.9. Ua ntej xa mus rau cov neeg siv khoom, ob qib siab - lub zog bolts yuav tsum tau soj ntsuam nruj, suav nrog kev txheeb xyuas qhov ntsuas qhov ntsuas, ntsuas qhov tawv tawv, thiab txawm tias qhov ntsuas lub zog tensile, kom ua raws li cov qauv.
Qib 10.9 siab- lub zog bolts feem ntau yog tsim los ntawm 40CrMo alloy hlau. Lawv lub zog tawm los ntawm 390 MPa (rau bolts nrog txoj kab uas hla d Ntau dua lossis sib npaug li 30 mm) txog 430 MPa (rau bolts nrog txoj kab uas hla d < 30 mm), nrog lub zog tensile nominal ntawm 1000 MPa. Qib no ntawm bolts tsis yog tsim los rau kev siv hnyav hnyav. Yog tias muaj peev xwm thauj khoom siab dua lossis qhov tawv tawv yuav tsum tau ua rau cov haujlwm tshwj xeeb, bolts ntawm qib siab zog yuav tsum raug xaiv los hloov.
Ib qeb tshwj xeeb yogQib 12.9 boltsua los ntawm 42CrMo alloy steel. Piv nrog rau 40CrMo steel, 42CrMo steel tsim bolts nrog lub zog siab dua, zoo dua toughness, thiab zoo heev -kub tsis kam. Raws li qhov tshwm sim, cov bolts no tau siv dav hauv kev lag luam xav tau xws li kev tsim cov hlab ntsha siab thiab kev tsim hluav taws xob.
Los ntawm qhov kev xav ntawm tus nqi raw khoom, bolts zoo tib yam feem ntau yog ua los ntawm cov hlau xws li Q235, 45 # steel, lossis 35 # steel. Cov ntaub ntawv no yog tsim thiab muag los ntawm feem ntau steel mills nyob rau hauv Suav teb, ua rau muaj kev sib tw ua lag luam hnyav thiab cov khoom lag luam muaj feem cuam tshuam rau kev thov. Yog li, cov nqi ntawm cov khoom siv raw no kuj tswj tau. Hauv qhov sib piv, siab - lub zog bolts yog tsim los ntawm cov hlau alloy xws li 40CrMo thiab 35CrMo. Tus naj npawb ntawm cov tuam txhab hlau tsim cov hlau tshwj xeeb hlau tshwj xeeb yog txwv, thiab feem ntau ntawm lawv yog cov tuam txhab loj{10}}. Cov neeg yuav khoom thiab cov tub rog ua lag luam muaj kev cuam tshuam me ntsis ntawm tus nqi tsim los ntawm cov tshuab steel, uas ua rau cov nqi raw khoom ntau dua rau siab - lub zog bolts piv rau cov bolts zoo tib yam.
Cov txheej txheem tsim khoom ntawm siab - lub zog bolts yog qhov sib txawv thiab ua rau muaj kev xav tau siab ntawm cov cuab yeej tsim khoom, nrog rau cov tuam txhab feem ntau tso siab rau cov tshuab tuaj txawv teb chaws rau kev tsim khoom. Yuav kom ua tau raws li cov kev cai ntawm lub teb chaws cov qauv lossis cov neeg siv khoom tshwj xeeb, kev tswj xyuas nruj yuav tsum tau ua los ntawm thawj kauj ruam ntawm kev yuav khoom raw khoom. Nyob rau theem tom ntej, tsim kom muaj kev ruaj ntseg cov khoom lag luam tsim nyog, txhim kho cov kev daws teeb meem kev thauj mus los, thiab kev tsim cov txheej txheem muag khoom yog qhov tseem ceeb los tswj cov nqi tag nrho, ua kom muaj cov khoom zoo rau cov neeg siv khoom ntawm tus nqi sib tw.
