Specification ntawmmuaj zog boltsyog ib qho tseem ceeb heev hauv kev tsim khoom, kev muag khoom, thiab kev siv cov bolts muaj zog, yog li nws tseem ceeb heev rau peb kom nkag siab txog nws cov kev xav tau. Hauv kab lus hauv qab no, peb yuav qhia qee cov ntsiab lus tseem ceeb ntawm cov lus qhia tshwj xeeb rau lub zog siab bolts rau cov neeg nyeem kom xa mus.
1, Kev sib txhuam hom high-strength bolt
Raws li Suav cov kev cai, thaum txhim kho kev sib txhuam hom siab-lub zog bolts, yuav tsum muaj pretension force P, P=0.9 * 0.9 * fu * Ae/1.2. Qhov no txhais tau hais tias thaum lub sij hawm lub installation txheej txheem, nws yog ib qhov tsim nyog los xam qhov yuav tsum tau ua ntej nro raws li cov qauv no thiab xyuas kom meej qhov tseeb daim ntawv thov ntawm pre nruj thaum thov. bolts. Qhov no yog ib kauj ruam tseem ceeb hauv kev ua kom ntseeg tau qhov zoo ntawm kev sib txuas bolted.
2, Siab bearing muaj zog bolts
Tus tsim tus nqi ntawm tensile bearing muaj peev xwm ntawm lub siab bearing high-strength bolts nyob rau hauv Tuam Tshoj kuj yog txiav txim raws li 0.8P. Txawm li cas los xij, thaum qhov kev sib cuag ntawm qhov zawv zawg tau tso cai, nws lub xeev kev ntxhov siab yog tib yam li cov bolts zoo tib yam, thiab cov kabmob muaj peev xwm yog lub zog ntawm cov ntsia liaj qhov rooj nws tus kheej. Cov kabmob siab muaj zog bolts yog qhov kawg ntawm cov kabmob muaj peev xwm nyob rau hauv uas lub hau ntswj raug shear tsis ua hauj lwm los yog lub qhov phab ntsa compression tsis ua hauj lwm thaum lub shear quab yuam tshaj qhov sib txhuam quab yuam. Txawm hais tias lub shear deformation ntawm lub siab bearing muaj zog bolts yog ntau dua li ntawm kev sib txhuam, lawv cov kabmob muaj peev xwm siab dua li ntawm kev sib txhuam.
3, Kev tswj hwm thoob ntiaj teb
Raws li DIN cov qauv, kev sib txhuam hom muaj zog bolts tsis tuaj yeem siv rau hauv thaj chaw seismic. Hloov chaw, lawv tau tsim raws li lub zog ntawm cov bolts lawv tus kheej, tsuas yog cov khoom siv thiab cov yam ntxwv ntawm kev nyab xeeb txo, uas yog siab dua li cov qauv hauv Suav teb.
4, Txais specifications
Txoj cai lees txais rau hexagonal high-strength bolts GB50205 xav kom lub torque coefficient ntawm lub loj hexagonal high-strength bolt kev twb kev txuas khub yuav tsum tau retested, thaum lub torsion shear hom high-strength bolt kev twb kev txuas khub yuav tsum tau retested rau ua ntej nro, thiab tsuas yog siv tau tom qab dhau qhov kev xeem. batch loj rau kev kuaj xyuas yog 8 tus qauv rau 3000 teeb. Rau siab zogntsia liaj qhov roojkev sib txuas ua ke nrog tib lub zog qib thiab txoj kab uas hla tab sis qhov sib txawv ntawm qhov ntev, yog tias nws tsis tuaj yeem lees paub tias lawv yog los ntawm tib pawg, lawv yuav raug suav tias yog qhov sib txawv thiab yuav tsum tau kuaj thiab kuaj cais. GB/T3632-2008 Torsion shear high-strength bolts thiab GB131-2006 specification rau loj hexagonal high-strength bolts qhia tias nyob rau hauv tib batch ntawm tej yam kev mob, thaum lub ntsia liaj qhov rooj ntev yog tsawg dua los yog sib npaug zos rau 100 hli, qhov sib txawv ntawm qhov ntev yog tsawg dua lossis sib npaug li 15 hli; Thaum lub ntsia liaj qhov rooj ntev yog ntau dua los yog sib npaug rau 100mm thiab qhov sib txawv ntawm qhov ntev yog tsawg dua los yog sib npaug rau 20mm, nws tuaj yeem suav tias yog tib qhov ntev.
Cov ntsiab lus
Cov lus qhia tshwj xeeb ntawm lub zog muaj zog bolts ua lub luag haujlwm tseem ceeb hauv kev tsim khoom, kev muag khoom, thiab kev siv cov bolts muaj zog. Kev sib txhuam hom siab zog bolts yuav tsum tau ua ntej tensioned raws li specifications kom paub meej qhov zoo ntawm bolts kev twb kev txuas. Lub shear deformation ntawm lub siab bearing muaj zog bolts yog ntau dua li ntawm kev sib txhuam hom, tab sis lub peev xwm bearing yog siab dua li ntawm kev sib txhuam hom. Cov txheej txheem thoob ntiaj teb muaj kev xav tau siab dua raumuaj zog bolts. Thaum lub sij hawm txais cov txheej txheem, lub torque coefficient ntawm lub loj hexagonal high-strength bolt kev twb kev txuas khub yuav tsum tau retested, thaum lub torsion shear hom high-strength bolt kev twb kev txuas khub yuav tsum tau retested ua ntej nro, thiab tsuas yog siv tau tom qab dhau lub xeem.
