Dab tsi yog chav kawm ntawm haum rau threads?
Xov haum cov chav kawm txhais cov kev tso cai hloov pauv hauv qhov ntev rau sab hauv (ntsuab) thiab sab nraud (bolt) threads. Cov kev zam no yog qhov tseem ceeb vim tias lawv txiav txim siab yuav ua li cas nruj lossis xoob ob txoj hlua yuav haum ua ke. Kev xaiv zoo ntawm chav kawm haum tuaj yeem tiv thaiv kev nruj dhau, txo kev hnav, thiab txhim kho kev sib dhos ua haujlwm.
Imperial Thread Fit Classes
Rau Unified Inch Screw Threads (UN), muaj peb chav kawm haum:
- 1 A/1B: Tus cwj pwm los ntawm cov nyiaj pub dawb loj, qhov xoob xoob no haum rau cov ntawv thov uas yooj yim ntawm kev sib dhos yog qhov tseem ceeb tshaj qhov nruj.
- 2A/2B:Cov chav kawm haum feem ntau, muab qhov sib npaug ntawm kev sib dhos yooj yim thiab tuav lub zog txaus. Nws yog dav siv nyob rau hauv ntau industries.
- 3 A/3B: Muab qhov nruj tshaj plaws, nws ua kom lub zog siab tshaj plaws thiab kev ua si tsawg. Zoo tagnrho rau qhov chaw muaj kev ntxhov siab lossis kev nyab xeeb-tseem ceeb.
Metric Thread Fit Classes
Metric screw threads ua raws li ISO cov qauv nrog cov chav kawm haum uas suav nrog:
- 4 h,6grau cov xov sab nraud
- 5 H, 6 H, 7 Hrau internal threads
Cov npe 'h' thiab 'H' xa mus rau xoom qhov sib txawv, thaum 'g' thiab 'G' qhia qhov zoo lossis qhov tsis zoo sib txawv. Feem ntau pom zoo haum zoo li 6H / 6g muab kev ua tau zoo rau cov hom phiaj dav dav.
Xaiv Cov Chav Kawm Zoo
Xaiv cov xov zoo haum rau chav kawm nyob ntawm ntau yam:
- Daim ntawv thov yuav tsum tau:Xav txog seb lub rooj sib txoos puas xav tau kev tshem tawm tsis tu ncua, ua haujlwm nyob rau hauv cov xwm txheej hnyav, lossis yuav tsum ua raws li cov qauv kev nyab xeeb nruj.
- Khoom Khoom: Cov khoom sib txawv muaj qhov sib txawv ntawm cov thermal expansion thiab elastic zog, uas tuaj yeem cuam tshuam rau kev xaiv.
- Manufacturing peev xwm: Kev muaj peev xwm ua tau raws li qhov ua tau zoo tuaj yeem txwv cov kev xaiv haum.
Cov chav kawm xov haum yog qhov tseem ceeb hauv kev tsim thiab tsim cov khoom siv threaded. Los ntawm kev nkag siab thiab ua raws li cov qauv no, cov kws tsim khoom tuaj yeem txhim kho kev ua haujlwm ntawm cov khoom siv sib dhos, ua kom muaj kev ntseeg siab thiab siv tau ntev. Txawm hais tias ua haujlwm nrog imperial lossis metric systems, xaiv cov chav kawm kom haum yog qhov tseem ceeb rau kev ua tiav engineering daws teeb meem.
Ua tsaug rau koj nyeem, yog tias koj xav pom ntau yam uas peb yuav tsum muaj koj tuaj yeem ua raws li cov ntawv txuas hauv qab no!