yuav ua li cas xam qhov ntev ntawm 40 lub saw hlau

Yog tias koj tau ua haujlwm nrog cov tshuab kho tshuab lossis tau koom nrog hauv kev lag luam uas vam khom cov tshuab hnyav, koj yuav tsum tau ntsib cov saw hlau. Cov saw hlau ua lub luag haujlwm tseem ceeb hauv kev xa lub zog los ntawm ib lub ncej tig mus rau lwm qhov. Ntawm ntau hom muaj, 40 txoj saw hlau yog qhov loj tshaj plaws siv. Txawm li cas los xij, kev txiav txim siab qhov ntev ntawm 40 txoj saw hlau tuaj yeem ua rau me ntsis tsis meej pem, tshwj xeeb tshaj yog rau cov neeg tshiab rau hauv daim teb. Hauv cov blog no, peb yuav muab cov lus qhia ib kauj ruam zuj zus rau koj txog yuav ua li cas xam qhov ntev ntawm koj txoj saw hlau 40 txoj.

Kauj Ruam 1: Paub Cov Lus Txhais Txog Cov Saw Hlau
Ua ntej peb nkag mus rau hauv cov txheej txheem xam, nws yog ib qho tseem ceeb kom nkag siab txog cov lus siv nrog cov saw hlau. Tus "40" hauv 40 txoj saw hlau sawv cev rau qhov siab, uas yog qhov deb ntawm ob lub pins sib ze (link plates), hauv nti. Piv txwv li, 40 txoj saw hlau muaj qhov ntev ntawm 0.5 nti.

Kauj Ruam 2: Xam tus naj npawb ntawm qhov sib txawv
Yuav kom xam tau qhov ntev ntawm 40 lub saw hlau, peb yuav tsum paub tus naj npawb ntawm cov pitches uas xav tau. Hais yooj yim, tus lej pitch yog tus naj npawb ntawm cov phaj lossis cov pins hauv cov saw hlau. Txhawm rau txiav txim siab qhov no, koj yuav tsum ntsuas qhov deb ntawm qhov chaw nruab nrab ntawm cov hniav sprocket ntawm lub sprocket tsav thiab lub sprocket tsav. Faib qhov kev ntsuas no los ntawm lub pitch saw hlau (0.5 nti rau 40 lub saw hlau) thiab puag ncig qhov tshwm sim mus rau tus lej tag nrho ze tshaj plaws. Qhov no yuav muab tus naj npawb ntawm cov pitches uas koj xav tau rau koj.

Kauj Ruam 3: Ntxiv qhov nthuav dav
Qhov elongation factor yog qhov ua rau lub saw hlau ntev zuj zus vim yog kev hnav thiab kev nruj. Yuav kom ntseeg tau tias lub saw hlau ua haujlwm tau zoo tshaj plaws thiab siv tau ntev, nws raug pom zoo kom ntxiv qhov extension factor rau qhov pitch tag nrho. Qhov expansion factor feem ntau yog nruab nrab ntawm 1% thiab 3%, nyob ntawm seb siv li cas. Muab tus lej ntawm cov pitches los ntawm qhov extension factor (qhia ua decimal, piv txwv li 2% extension yog 1.02) thiab muab qhov tshwm sim puag ncig mus rau tus lej tag nrho ze tshaj plaws.

Kauj Ruam 4: Xam Qhov Ntev Kawg
Yuav kom tau qhov ntev kawg ntawm 40 lub saw hlau, muab tus lej ntawm qhov hloov kho kom sib npaug los ntawm qhov ntev ntawm lub saw hlau (0.5 nti rau 40 lub saw hlau). Qhov no yuav muab qhov ntev tag nrho uas koj xav tau hauv nti. Nco ntsoov, nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov kam rau siab thiab qhov chaw uas xav tau rau ib daim ntawv thov tshwj xeeb. Yog li ntawd, rau cov haujlwm tseem ceeb, nws ib txwm raug nquahu kom sab laj nrog cov lus qhia ntawm cov chaw tsim khoom lossis nrhiav kev pab los ntawm cov kws tshaj lij.

xaus lus:
Kev xam qhov ntev ntawm 40 txoj saw hlau yog qhov tseem ceeb rau kev ua haujlwm zoo ntawm cov tshuab. Los ntawm kev paub cov lus, xam qhov suab, ntxiv qhov elongation factor thiab muab ntau los ntawm qhov ntev ntawm lub suab, koj tuaj yeem ua kom ntseeg tau tias 40 txoj saw hlau yog qhov haum zoo tshaj plaws rau koj lub tshuab. Nco ntsoov xav txog koj daim ntawv thov cov kev cai tshwj xeeb thiab cov lus qhia rau kev ua haujlwm zoo tshaj plaws thiab kev ruaj khov. Yog li lub sijhawm tom ntej koj xav tau nrhiav qhov ntev rau koj 40 Txoj saw hlau, koj tuaj yeem ua cov kev suav nrog kev ntseeg siab thiab yooj yim!