Bolts thiab txiv ntseej yog cov feem ntau siv fasteners nyob rau hauv mechanical engineering, feem ntau siv los fasten ob los yog ntau qhov chaw ua ke. Thaum xaiv bolts thiab txiv ntseej, ntxiv rau kev txiav txim siab tshwj xeeb thiab cov khoom siv, koj kuj yuav tsum nkag siab lawv qib thiab kev ua haujlwm kom ntseeg tau tias kev siv nyab xeeb thiab txhim khu kev qha.
Cov qib ntawm bolts tau muab faib ua ntau tshaj 10 qib xws li 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, thiab 12.9. Ntawm lawv, bolts ntawm qib 8.8 thiab siab dua yog cov ntsia hlau muaj zog, feem ntau yog ua los ntawm cov hlau tsis tshua muaj carbon hlau lossis cov hlau nruab nrab carbon steel, thiab tau kho cua sov. Thiab tus so ntawm bolts yog hu ua dog dig bolts.
Sib haum rau bolts yog txiv ntseej, uas kuj tuaj nyob rau hauv ntau qib thiab specifications. Kev lig kev cai, txiv ntseej tau muab faib ua peb hom raws li xov thickness: zoo, zoo tib yam thiab tuab. Ntawm lawv, cov txiv ntoo zoo tib yam tau muab faib ua peb qib: A, B, thiab C. Nyob rau xyoo tas los no, ob hom, Hom I thiab Hom II, tau ntxiv raws li qhov xav tau tiag tiag. Hexagonal ceev tau muab faib ua peb hom raws li lawv cov nominal thickness: hom I, hom II thiab nyias hom. Cov txiv ntoo saum qib 8 tau muab faib ua ob hom: hom I thiab hom II.
Cov txiv ntoo sib txawv kuj muaj lawv cov qauv hauv lub tebchaws, xws li GB41 hexagonal txiv ntseej, GB6170 hexagonal txiv ntseej, GB6174 hexagonal nyias txiv ntseej, thiab lwm yam. Cov qib ntawm cov txiv ntseej feem ntau zoo ib yam lossis qis dua qib ntawm bolts kom muaj kev nyab xeeb thiab stability ntawm bolts thiab ceev thaum siv ua ke.
Thaum xaiv bolts thiab txiv ntseej, lawv yuav tsum tau muab sib xyaw ua ke raws li qhov xwm txheej tiag tiag. Feem ntau, bolts thiab txiv ntseej yuav tsum yog tib qib kom ntseeg tau tias lawv haum rau kev nruj. Txawm li cas los xij, qee qhov tshwj xeeb, vim tias cov bolts yooj yim los hloov tab sis cov txiv ntoo nyuaj hloov, cov nqi thiab kev nyab xeeb yuav tsum tau txiav txim siab, yog li qib ntawm cov txiv ntseej yuav qis dua me ntsis ntawm cov bolts.
Nyob rau hauv luv luv, bolts thiab ceev yog ib qho tseem ceeb fasteners nyob rau hauv mechanical engineering. Thaum xaiv, lawv cov qib, cov khoom siv, thiab cov lus qhia tshwj xeeb yuav tsum tau txiav txim siab kom ntseeg tau tias lawv muaj kev nyab xeeb thiab kev ntseeg tau. Hauv kev siv tiag tiag, kev saib xyuas tsis tu ncua thiab hloov pauv tseem yuav tsum tau ua kom ntseeg tau tias kev ua haujlwm ntawm cov tshuab thiab khoom siv.