Qhov cuam tshuam ntawm kev vuam deformation rau lub neej ntawm cov saw hlau: kev tshuaj xyuas tob thiab kev daws teeb meem

Qhov cuam tshuam ntawm kev vuam deformation rau lub neej ntawm cov saw hlau: kev tshuaj xyuas tob thiab kev daws teeb meem

Hauv kev tsim khoom thiab kev siv cov txheej txheemcov saw hlau, kev vuam deformation yog ib qho tseem ceeb uas tsis tuaj yeem tsis quav ntsej, thiab nws muaj kev cuam tshuam loj heev rau lub neej ntawm cov saw hlau. Tsab xov xwm no yuav tshawb nrhiav tob txog cov txheej txheem cuam tshuam, cuam tshuam rau cov yam ntxwv thiab cov kev daws teeb meem ntawm kev vuam deformation rau lub neej ntawm cov saw hlau, kom pab cov tuam txhab thiab cov kws tshaj lij nkag siab zoo dua thiab daws qhov teeb meem no, txhim kho qhov zoo thiab kev ntseeg siab ntawm cov saw hlau, thiab ua tau raws li qhov xav tau ntawm cov neeg yuav khoom lag luam thoob ntiaj teb rau cov saw hlau zoo.

1. Txoj cai ua haujlwm thiab cov yam ntxwv ntawm cov saw hlau
Cov saw hlau yog ib qho tseem ceeb ntawm cov khoom siv kho tshuab uas siv dav hauv kev sib kis thiab kev xa khoom. Nws feem ntau yog tsim los ntawm cov khoom siv yooj yim xws li cov phaj sab hauv, cov phaj sab nraud, cov koob, cov tes tsho thiab cov menyuam. Thaum lub sijhawm sib kis, cov saw hlau xa lub zog thiab kev txav mus los los ntawm kev sib txuas ntawm cov menyuam thiab cov hniav sprocket. Kev tsim qauv ntawm cov saw hlau ua rau nws muaj kev ywj pheej zoo, muaj peev xwm thauj khoom ntau thiab ua haujlwm tau zoo, thiab tuaj yeem ua haujlwm ruaj khov hauv ntau yam haujlwm nyuaj.
Lub luag haujlwm ntawm cov saw hlau hauv kev sib kis tshuab yog qhov tseem ceeb heev. Nws tuaj yeem ua tiav kev sib kis hluav taws xob ntawm ntau lub axes, thiab lub tshuab ua kom ntseeg tau tias cov khoom siv ua haujlwm ib txwm. Txij li cov saw hlau yooj yim mus rau cov kab ke sib kis ntawm cov kab ntau lawm hauv kev lag luam, cov saw hlau ua lub luag haujlwm tseem ceeb. Nws cov txheej txheem sib kis yog qhov du, uas tuaj yeem txo qhov kev co thiab kev cuam tshuam, txo suab nrov, thiab txhim kho kev ua haujlwm ruaj khov thiab kev ntseeg siab ntawm cov khoom siv. Nws yog ib qho ntawm cov khoom tseem ceeb hauv kev lag luam tshuab niaj hnub no.

2. Kev tshuaj xyuas qhov ua rau vuam deformation
(I) Cov txheej txheem vuam
Hauv cov txheej txheem tsim cov saw hlau, kev xaiv cov txheej txheem vuam muaj feem cuam tshuam ncaj qha rau kev vuam deformation. Piv txwv li, ntau dhau lossis tsis txaus ntawm cov hluav taws xob vuam yuav ua rau muaj teeb meem sib txawv ntawm kev vuam, uas ua rau deformation. Thaum cov hluav taws xob vuam loj dhau, nws yuav ua rau qhov chaw vuam kub dhau, cov khoom siv hlau ntxhib, ua rau qhov nyuaj thiab brittleness ntawm qhov vuam thiab thaj chaw cuam tshuam los ntawm cua sov, txo qhov plasticity thiab toughness ntawm cov khoom, thiab yooj yim ua rau tawg thiab deformation thaum siv tom qab. Yog tias cov hluav taws xob vuam me dhau, lub arc yuav tsis ruaj khov, qhov vuam yuav tsis nkag mus txaus, ua rau vuam tsis muaj zog, thiab nws kuj tseem yuav ua rau muaj kev ntxhov siab hauv thaj chaw vuam thiab deformation.
Qhov ceev ntawm kev vuam kuj yog ib qho tseem ceeb. Yog tias qhov ceev ntawm kev vuam ceev dhau, qhov kub ntawm qhov vuam yuav tsis sib npaug, qhov vuam yuav tsis zoo, thiab qhov tsis zoo xws li kev nkag mus tsis tiav thiab kev sib xyaw ntawm cov slag yuav yooj yim tshwm sim. Cov qhov tsis zoo no yuav ua rau qhov vuam deformation. Tib lub sijhawm, qhov ceev ntawm kev vuam ceev dhau kuj tseem yuav ua rau qhov vuam txias sai, ua rau cov pob qij txha vuam tawv thiab brittleness, thiab txo lawv lub peev xwm los tiv thaiv deformation. Ntawm qhov tsis sib xws, qhov ceev ntawm kev vuam qeeb dhau yuav ua rau qhov vuam nyob ntawm qhov kub siab ntev dhau, ua rau qhov vuam kub dhau, cov noob loj hlob, kev ua haujlwm ntawm cov khoom poob qis, thiab kev vuam deformation.
(II) Cov Khoom Siv
Kev tsim thiab siv cov khoom siv ua lub luag haujlwm tseem ceeb hauv kev tswj kev hloov pauv ntawm kev vuam. Cov khoom siv tsim nyog tuaj yeem kho qhov vuam zoo, muab lub platform vuam ruaj khov, thiab txo qhov kev hloov pauv thiab kev hloov pauv thaum vuam. Yog tias qhov khoom siv tsis ruaj khov txaus, nws tsis tuaj yeem tiv taus kev ntxhov siab ntawm kev vuam thaum vuam, thiab kev vuam yooj yim txav mus los thiab kev hloov pauv. Piv txwv li, hauv kev vuam ntawm cov saw hlau, yog tias qhov khoom siv tsis tuaj yeem kho cov khoom xws li cov koob thiab cov tes tsho kom ruaj khov, qhov kub tsim tawm thaum vuam yuav ua rau cov khoom no nthuav dav thiab cog lus, ua rau muaj kev hloov pauv, thiab thaum kawg ua rau kev hloov pauv ntawm kev vuam.
Tsis tas li ntawd xwb, qhov tseeb ntawm qhov chaw ntawm lub cuab yeej kuj tseem yuav cuam tshuam rau qhov vuam deformation. Yog tias lub cuab yeej tso qhov chaw ntawm lub cuab yeej tsis raug txaus, qhov chaw sib dhos ntawm cov khoom vuam yuav tsis raug, thiab qhov sib raug zoo ntawm qhov chaw ntawm cov khoom vuam yuav hloov pauv thaum lub sijhawm vuam, uas yuav ua rau vuam deformation. Piv txwv li, cov phaj txuas sab hauv thiab sab nraud ntawm cov saw hlau yuav tsum tau sib dhos kom raug thaum lub sijhawm sib dhos. Yog tias qhov yuam kev tso qhov chaw ntawm lub cuab yeej loj heev, qhov chaw vuam ntawm cov phaj txuas yuav hloov pauv, ua rau muaj kev hloov pauv ntawm cov qauv tag nrho tom qab vuam, cuam tshuam rau kev siv thiab lub neej ntawm cov saw hlau.
(III) Cov khoom siv
Cov khoom siv thermal thiab cov khoom siv kho tshuab ntawm cov khoom sib txawv sib txawv heev, uas kuj muaj feem cuam tshuam loj rau kev vuam deformation. Cov coefficient thermal expansion ntawm cov khoom txiav txim siab qib ntawm kev nthuav dav ntawm qhov vuam thaum cua sov. Cov khoom siv nrog cov coefficient thermal expansion loj yuav tsim kev nthuav dav ntau dua thaum lub sijhawm vuam cua sov, thiab ua rau muaj kev ntsws loj dua thaum lub sijhawm txias, uas tuaj yeem ua rau vuam deformation yooj yim. Piv txwv li, qee cov khoom siv alloy muaj zog siab, txawm hais tias lawv muaj cov khoom siv kho tshuab zoo, feem ntau muaj cov coefficient thermal expansion siab dua, uas yooj yim rau kev hloov pauv loj thaum vuam, ua rau muaj teeb meem ntawm cov txheej txheem vuam.
Qhov kev ua tau zoo ntawm cov khoom siv kuj tseem yuav tsum tsis txhob raug tsis quav ntsej. Cov ntaub ntawv uas muaj kev ua tau zoo ntawm cov cua sov tuaj yeem hloov pauv cua sov sai sai los ntawm thaj chaw vuam mus rau thaj chaw ib puag ncig, ua rau qhov kub thiab txias ntawm qhov vuam sib npaug ntau dua, txo qhov kub hauv zos thiab qhov tsis sib xws, thiab yog li txo qhov ua tau ntawm kev vuam deformation. Ntawm qhov tsis sib xws, cov ntaub ntawv uas muaj kev ua tau zoo ntawm cov cua sov tsis zoo yuav ua rau cov cua sov vuam sib sau ua ke hauv thaj chaw ib puag ncig, ua rau muaj kev nce ntxiv ntawm qhov kub thiab txias ntawm qhov vuam, ua rau muaj kev ntxhov siab ntau dua thiab kev hloov pauv ntawm qhov vuam. Tsis tas li ntawd, cov khoom siv kho tshuab xws li lub zog tso zis thiab cov qauv elastic ntawm cov khoom siv kuj tseem yuav cuam tshuam rau nws tus cwj pwm deformation thaum vuam. Cov ntaub ntawv uas muaj lub zog tso zis qis dua yuav raug kev hloov pauv yas thaum raug kev ntxhov siab ntawm qhov vuam, thaum cov ntaub ntawv uas muaj cov qauv elastic me dua yuav raug kev hloov pauv elastic. Cov kev hloov pauv no yuav tsis rov qab zoo tom qab vuam, ua rau muaj kev hloov pauv vuam mus tas li.

3. Cov teebmeem tshwj xeeb ntawm kev vuam deformation rau lub neej ntawm cov saw hlau
(I) Kev ntxhov siab ntau dhau
Qhov kev hloov pauv ntawm qhov vuam yuav ua rau muaj kev ntxhov siab ntau ntxiv rau thaj chaw vuam thiab thaj chaw uas raug cua sov ntawm cov saw hlau. Vim yog qhov cua sov thiab txias tsis sib xws thaum lub sijhawm vuam, thaj chaw hauv zos ntawm qhov vuam yuav tsim kev ntxhov siab thermal thiab kev ntxhov siab ntawm cov ntaub so ntswg. Cov kev ntxhov siab no tsim ib qho kev ntxhov siab nyuaj hauv qhov vuam, thiab qhov kev ntxhov siab ntau ntxiv ntawm qhov chaw vuam deformation. Piv txwv li, ntawm qhov chaw vuam ntawm tus pin thiab lub tes tsho ntawm cov saw hlau, yog tias muaj kev hloov pauv ntawm qhov vuam, qhov kev ntxhov siab ntau ntxiv hauv thaj chaw no yuav nce ntxiv ntau.
Qhov kev ntxhov siab ntau dhau yuav ua rau cov kab nrib pleb ntawm cov saw hlau thaum lub sijhawm siv. Thaum cov saw hlau raug cuam tshuam los ntawm kev hloov pauv, cov khoom siv ntawm qhov chaw muaj kev ntxhov siab ntau dhau yuav ncav cuag qhov txwv kev nkees thiab tsim cov kab nrib pleb me me. Cov kab nrib pleb no txuas ntxiv nthuav dav raws li kev ua haujlwm ntawm cov khoom thauj, uas thaum kawg yuav ua rau cov vuam lossis cov vuam tawg, ua rau lub neej ua haujlwm ntawm cov saw hlau luv dua. Cov kev tshawb fawb tau qhia tias thaum qhov kev ntxhov siab ntau dhau nce 1 zaug, lub neej kev nkees yuav txo qis los ntawm qhov ntau thiab tsawg, uas ua rau muaj kev hem thawj loj rau kev ntseeg siab ntawm cov saw hlau.
(ii) Kev poob ntawm qhov tseeb ntawm qhov ntev
Kev hloov pauv ntawm kev vuam yuav hloov pauv qhov loj me ntawm cov saw hlau, ua rau nws tsis muaj peev xwm ua tau raws li qhov tseeb ntawm qhov tsim nyog. Cov saw hlau muaj cov kev cai nruj heev thaum lub sijhawm tsim khoom, xws li txoj kab uas hla ntawm lub log, qhov tuab thiab ntev ntawm lub phaj saw hlau, thiab txoj kab uas hla ntawm tus pin. Yog tias qhov kev hloov pauv ntawm kev vuam ntau dua li qhov kev kam rau siab, teeb meem yuav tshwm sim thaum lub sijhawm sib dhos thiab siv cov saw hlau.
Qhov poob ntawm qhov tseeb ntawm qhov ntev yuav cuam tshuam rau qhov kev ua haujlwm ntawm cov saw hlau thiab lub sprocket. Thaum lub cheeb ntawm cov saw hlau me dua lossis lub phaj saw hlau raug deformed, cov hniav ntawm cov menyuam thiab cov sprocket tsis sib haum zoo, ua rau muaj kev cuam tshuam thiab kev co ntau ntxiv thaum lub sijhawm kis. Qhov no yuav tsis tsuas yog ua kom cov saw hlau hnav sai dua, tab sis kuj ua rau lwm yam khoom sib kis xws li lub sprocket puas tsuaj, txo qhov ua tau zoo thiab lub neej ntawm tag nrho lub cev kis. Tib lub sijhawm, qhov sib txawv ntawm qhov ntev kuj tseem yuav ua rau cov saw hlau daig lossis dhia hniav thaum lub sijhawm kis, ua rau kev puas tsuaj ntawm cov saw hlau thiab ua rau nws lub neej luv dua.
(III) Txo kev qaug zog
Qhov kev hloov pauv ntawm kev vuam yuav hloov pauv qhov microstructure ntawm cov saw hlau, yog li ntawd txo nws qhov kev ua haujlwm qaug zog. Thaum lub sijhawm vuam, vim yog qhov kub thiab txias sai, cov khoom siv hlau hauv qhov vuam thiab thaj chaw cuam tshuam los ntawm cua sov yuav hloov pauv xws li kev loj hlob ntawm cov noob thiab kev teeb tsa tsis sib xws. Cov kev hloov pauv no yuav ua rau cov khoom siv kho tshuab ntawm cov khoom siv txo qis, xws li qhov nyuaj tsis sib xws, txo qis plasticity, thiab txo qis toughness.
Qhov kev txo qis ntawm kev ua haujlwm qaug zog ua rau cov saw hlau dov yooj yim dua rau kev ua haujlwm qaug zog thaum raug kev hloov pauv. Thaum siv tiag tiag, cov saw hlau dov feem ntau nyob rau hauv lub xeev ntawm kev pib-nres thiab hloov pauv ceev, thiab raug kev ntxhov siab hloov pauv ntau yam. Thaum kev ua haujlwm qaug zog txo qis, ntau qhov tawg me me yuav tshwm sim hauv cov saw hlau dov thaum pib siv. Cov kab nrib pleb no maj mam nthuav dav thaum siv tom qab, thaum kawg ua rau cov saw hlau dov tawg. Cov ntaub ntawv sim qhia tau tias qhov txwv kev qaug zog ntawm cov saw hlau dov uas tau dhau los ntawm kev vuam deformation yuav raug txo los ntawm 30% - 50%, uas yog qhov tsis zoo heev rau kev ua haujlwm ruaj khov mus sij hawm ntev ntawm cov saw hlau dov.
(IV) Txo kev tiv thaiv kev hnav
Qhov kev hloov pauv ntawm qhov vuam kuj tseem yuav muaj qhov cuam tshuam tsis zoo rau qhov hnav tsis kam ntawm cov saw hlau. Vim yog qhov cuam tshuam ntawm qhov kub ntawm qhov vuam, qhov xwm txheej ntawm cov khoom siv hauv thaj chaw vuam thiab thaj chaw cuam tshuam los ntawm qhov kub hloov pauv, thiab oxidation, decarburization thiab lwm yam xwm txheej yuav tshwm sim, uas yuav txo qhov nyuaj thiab hnav tsis kam ntawm cov khoom siv nto. Tib lub sijhawm, qhov kev ntxhov siab concentration thiab kev teeb tsa tsis sib xws los ntawm qhov kev hloov pauv ntawm qhov vuam kuj tseem yuav ua rau cov saw hlau hnav ntau dua thaum siv.
Piv txwv li, thaum lub sijhawm ua haujlwm ntawm cov saw hlau thiab lub sprocket, yog tias muaj kev vuam deformation ntawm qhov chaw ntawm lub roller, qhov kev sib txuas ntawm cov hniav ntawm lub roller thiab cov hniav sprocket yuav tsis sib npaug, thiab kev hnav thiab kev hloov pauv yas yuav tshwm sim hauv thaj chaw muaj kev ntxhov siab. Nrog rau kev siv sijhawm ntau ntxiv, kev hnav ntawm lub roller txuas ntxiv mus, ua rau lub suab ntev ntawm cov saw hlau, uas cuam tshuam ntxiv rau qhov tseeb ntawm cov saw hlau thiab lub sprocket, tsim lub voj voog phem, thiab thaum kawg ua rau lub neej ua haujlwm luv dua ntawm cov saw hlau vim kev hnav ntau dhau.

4. Kev tswj thiab kev tiv thaiv rau kev vuam deformation
(I) Txhim kho cov txheej txheem vuam
Kev xaiv cov txheej txheem vuam uas tsim nyog yog qhov tseem ceeb rau kev tswj kev hloov pauv ntawm kev vuam. Thaum vuam cov saw hlau, cov yam ntxwv xws li kev vuam tam sim no, kev vuam ceev, lub zog vuam, thiab lwm yam yuav tsum tau teeb tsa kom raug raws li cov yam ntxwv xws li cov yam ntxwv ntawm cov khoom siv, tuab thiab cov qauv ntawm cov khoom vuam. Los ntawm ntau qhov kev tshawb fawb sim thiab kev coj ua ntau lawm, qhov ntau thiab tsawg ntawm cov yam ntxwv vuam zoo tshaj plaws rau cov saw hlau ntawm ntau yam kev qhia tuaj yeem sau ua ke. Piv txwv li, rau cov saw hlau me me, kev vuam tam sim no me dua thiab kev vuam ceev dua yog siv los txo cov cua sov vuam thiab txo qhov ua tau ntawm kev vuam deformation; thaum rau cov saw hlau loj, nws yog qhov tsim nyog los nce qhov vuam tam sim no kom tsim nyog thiab kho qhov ceev vuam kom ntseeg tau tias qhov nkag mus thiab zoo ntawm qhov vuam, thiab ua cov kev ntsuas tiv thaiv kev hloov pauv.
Ntxiv mus, kev siv cov txheej txheem vuam thiab cov khoom siv siab heev kuj tseem tuaj yeem pab tswj kev vuam deformation. Piv txwv li, thev naus laus zis vuam pulse tswj qhov dav thiab zaus ntawm qhov tam sim no vuam kom ua rau cua sov tau txais los ntawm kev vuam thaum lub sijhawm vuam sib xws dua, txo cov cua sov nkag, thiab yog li txo qhov kev vuam deformation. Tib lub sijhawm, cov khoom siv vuam tsis siv neeg tuaj yeem txhim kho kev ruaj khov thiab kev sib xws ntawm cov txheej txheem vuam, txo cov kev hloov pauv ntawm cov txheej txheem vuam los ntawm tib neeg, xyuas kom meej qhov zoo ntawm vuam, thiab yog li tswj kev vuam deformation.
(II) Txhim kho kev tsim cov cuab yeej thiab cov khoom siv
Kev tsim thiab siv cov cuab yeej thiab cov khoom siv kom zoo ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv kev vuam deformation. Hauv kev tsim cov saw hlau, cov khoom siv uas muaj kev ruaj khov txaus thiab qhov chaw zoo yuav tsum tau tsim raws li cov yam ntxwv ntawm cov saw hlau thiab cov kev xav tau ntawm cov txheej txheem vuam. Piv txwv li, siv cov khoom siv uas muaj kev ruaj khov ntau dua, xws li hlau cam khwb cia lossis hlau alloy muaj zog siab, thiab ua kom lub zog thiab kev ruaj khov ntawm cov khoom siv los ntawm kev tsim cov qauv tsim nyog, kom nws tuaj yeem tiv taus kev ntxhov siab tsim thaum lub sijhawm vuam thiab tiv thaiv kev vuam deformation.
Tib lub sijhawm, kev txhim kho qhov tseeb ntawm qhov chaw ntawm lub cuab yeej kuj yog ib txoj hauv kev tseem ceeb los tswj kev hloov pauv ntawm kev vuam. Los ntawm kev tsim qauv thiab tsim cov khoom siv tso cai, xws li cov koob tso cai, cov phaj tso cai, thiab lwm yam, xyuas kom meej tias qhov chaw ntawm qhov vuam thaum lub sijhawm sib dhos thiab vuam yog qhov tseeb thiab raug, thiab txo qhov kev hloov pauv ntawm kev vuam los ntawm qhov yuam kev tso cai. Tsis tas li ntawd, cov khoom siv hloov pauv tau kuj tseem siv tau los kho raws li cov duab sib txawv thiab qhov loj me ntawm cov vuam kom tau raws li qhov xav tau vuam ntawm cov saw hlau ntawm ntau yam kev qhia, thiab txhim kho qhov hloov pauv tau thiab kev hloov pauv ntawm cov khoom siv.
(III) Kev xaiv cov ntaub ntawv tsim nyog
Hauv kev tsim cov saw hlau, kev xaiv cov ntaub ntawv tsim nyog yog lub hauv paus rau kev tswj kev hloov pauv ntawm kev vuam. Cov ntaub ntawv uas muaj cov khoom zoo thermal thiab cov khoom siv kho tshuab yuav tsum tau xaiv raws li cov xwm txheej ua haujlwm thiab kev ua tau zoo ntawm cov saw hlau. Piv txwv li, kev xaiv cov ntaub ntawv uas muaj cov coefficient thermal expansion me dua tuaj yeem txo qhov thermal deformation thaum vuam; kev xaiv cov ntaub ntawv uas muaj cov thermal conductivity zoo yog qhov ua rau kev sib txuas sai thiab sib npaug ntawm cov cua sov vuam, txo cov kev ntxhov siab vuam thiab kev hloov pauv.
Tsis tas li ntawd xwb, rau qee cov ntaub ntawv uas muaj zog thiab tawv heev, lawv cov kev ua haujlwm vuam yuav tsum tau xav txog tag nrho. Raws li lub hauv paus ntawm kev ua tau raws li qhov yuav tsum tau siv, sim xaiv cov ntaub ntawv uas muaj kev ua haujlwm vuam zoo dua, lossis ua cov khoom siv ua ntej, xws li annealing, los txhim kho lawv cov kev ua haujlwm vuam thiab txo qhov kev hloov pauv vuam. Tib lub sijhawm, los ntawm kev sib phim cov ntaub ntawv tsim nyog thiab kev ua kom zoo dua ntawm cov qauv ntaub ntawv, qhov kev tiv thaiv kev hloov pauv tag nrho thiab kev ua tau zoo ntawm cov saw hlau tuaj yeem txhim kho, yog li ua rau nws lub neej kev pabcuam ntev dua.
(IV) Kev kho tom qab vuam
Kev kho tom qab vuam yog ib qho tseem ceeb hauv kev tswj kev hloov pauv ntawm vuam. Cov txheej txheem kho tom qab vuam uas siv ntau suav nrog kev kho cua sov thiab kev kho kom raug.
Kev kho cua sov tuaj yeem tshem tawm cov kev ntxhov siab seem ntawm kev vuam, txhim kho cov khoom siv ntawm cov vuam, thiab txo qhov kev hloov pauv ntawm kev vuam. Piv txwv li, kev annealing cov saw hlau tuaj yeem ua kom cov noob ntawm cov khoom siv hlau hauv thaj chaw vuam thiab thaj chaw cuam tshuam los ntawm cua sov, txo qhov nyuaj thiab brittleness, thiab txhim kho plasticity thiab toughness, yog li txo qhov ua tau ntawm kev ntxhov siab thiab kev hloov pauv. Tsis tas li ntawd, kev kho laus kuj pab kom ruaj khov qhov tseeb ntawm qhov vuam thiab txo qhov kev hloov pauv thaum siv tom qab.
Kev kho kom raug ntawm lub tshuab tuaj yeem kho qhov kev hloov pauv ntawm qhov vuam. Los ntawm kev siv lub zog sab nraud, qhov vuam rov qab mus rau qhov zoo li cas thiab qhov loj me uas xav tau raws li tus qauv tsim. Txawm li cas los xij, kev kho kom raug ntawm lub tshuab yuav tsum tau ua tom qab kev kho cua sov kom tiv thaiv kev ntxhov siab uas tsim thaum lub sijhawm kho kom tsis txhob cuam tshuam rau qhov vuam. Tib lub sijhawm, qhov loj thiab kev coj ntawm lub zog kho yuav tsum tau tswj hwm nruj me ntsis thaum lub sijhawm kho kom raug ntawm lub tshuab kom tsis txhob muaj kev kho ntau dhau ua rau muaj kev hloov pauv tshiab lossis kev puas tsuaj.

5. Kev tshuaj xyuas cov neeg mob tiag tiag
(I) Rooj Plaub 1: Ib lub chaw tsim khoom siv log tsheb kauj vab
Thaum lub sijhawm tsim khoom, ib lub tuam txhab tsim cov saw hlau log tsheb kauj vab pom tias qee cov saw hlau log tsheb kauj vab tawg tom qab siv tau ib ntus. Tom qab kev tshuaj xyuas, pom tias qhov no feem ntau yog vim muaj kev ntxhov siab los ntawm kev vuam deformation, uas ua rau qhov pib thiab nthuav dav ntawm cov kab nrib pleb qaug zog. Lub tuam txhab tau siv ntau yam kev ntsuas los tswj kev vuam deformation: thawj zaug, cov txheej txheem vuam tau raug kho kom zoo, thiab qhov zoo tshaj plaws vuam tam sim no thiab qhov ceev tau txiav txim siab los ntawm kev sim ntau zaus; qhov thib ob, kev tsim qauv ntawm lub cuab yeej tau txhim kho, thiab cov khoom siv kho nrog kev ruaj khov zoo dua tau siv, thiab qhov tseeb ntawm qhov chaw tau txhim kho; ntxiv rau, cov khoom siv ntawm cov saw hlau log tau raug kho kom zoo, thiab cov khoom siv nrog cov coefficient nthuav dav thermal me me thiab kev ua haujlwm vuam zoo tau xaiv; thaum kawg, cov txheej txheem kho cua sov tau ntxiv tom qab vuam kom tshem tawm cov kev ntxhov siab seem vuam. Tom qab kev siv cov kev ntsuas txhim kho no, kev vuam deformation ntawm cov saw hlau log tau raug tswj tau zoo, qhov teeb meem tawg tau zoo dua, lub neej khoom tau nce ntxiv txog 40%, tus nqi tsis txaus siab ntawm cov neeg siv khoom tau raug txo qis heev, thiab lub tuam txhab feem ntawm kev lag luam tau nthuav dav ntxiv.
(II) Rooj Plaub 2: Tus neeg muab khoom siv hlau rau cov kab ntau lawm hauv kev lag luam
Thaum tus neeg muag khoom siv hlau dov rau cov kab tsim khoom siv hauv kev lag luam muab cov hlau dov rau cov neeg siv khoom, tus neeg siv khoom tau tshaj tawm tias qhov tseeb ntawm cov hlau dov thaum lub sijhawm sib dhos tsis tau raws li qhov yuav tsum tau ua, ua rau muaj teeb meem suab nrov thiab kev co hauv lub kaw lus kis. Tom qab kev tshawb nrhiav, nws pom tias qhov no yog vim qhov kev hloov pauv ntawm kev vuam ntau dua li qhov kev kam rau siab. Txhawm rau teb rau qhov teeb meem no, tus neeg muag khoom tau siv cov kev daws teeb meem hauv qab no: ntawm ib sab tes, cov khoom siv vuam tau hloov kho dua tshiab thiab hloov kho, thiab lub kaw lus vuam tsis siv neeg tau siv los txhim kho kev ruaj khov thiab qhov tseeb ntawm cov txheej txheem vuam; ntawm qhov tod tes, kev tshuaj xyuas zoo thaum lub sijhawm vuam tau txhim kho, cov txheej txheem vuam thiab kev hloov pauv ntawm kev vuam tau saib xyuas lub sijhawm tiag tiag, thiab cov txheej txheem vuam tau hloov kho raws sijhawm. Tib lub sijhawm, kev cob qhia kev tshaj lij kuj tau ua rau cov neeg ua haujlwm txhim kho lawv cov txuj ci vuam thiab kev paub txog qhov zoo. Los ntawm kev siv cov kev ntsuas no, qhov tseeb ntawm cov hlau dov tau lav zoo, qhov teeb meem sib dhos tau daws tau, kev txaus siab ntawm cov neeg siv khoom tau txhim kho zoo heev, thiab kev sib raug zoo ntawm ob tog tau ruaj khov dua.

6. Kev Txheeb Xyuas thiab Kev Xav Tau
Qhov cuam tshuam ntawm kev vuam deformation rau lub neej ntawmcov saw hlauyog ib qho teeb meem nyuaj thiab tseem ceeb, uas cuam tshuam txog kev siv tshuab vuam, cov khoom siv, cov khoom siv thiab lwm yam. Los ntawm kev nkag siab tob txog cov laj thawj thiab cuam tshuam rau cov txheej txheem ntawm kev vuam deformation, kev siv cov kev ntsuas zoo xws li kev ua kom zoo dua cov txheej txheem vuam, kev txhim kho kev tsim khoom siv, kev xaiv cov ntaub ntawv thiab kev txhim kho kev kho tom qab vuam, cov teebmeem tsis zoo ntawm kev vuam deformation rau lub neej ntawm cov saw hlau tuaj yeem txo qis, qhov zoo thiab kev ntseeg siab ntawm cov saw hlau tuaj yeem txhim kho, thiab cov kev xav tau ntawm cov neeg yuav khoom thoob ntiaj teb rau cov saw hlau zoo tuaj yeem ua tau raws li.
Nyob rau hauv kev loj hlob yav tom ntej, nrog rau kev nce qib tas mus li ntawm cov thev naus laus zis tsim khoom siv, Nrog rau kev tsim kho thiab kev siv cov ntaub ntawv tshiab, cov txheej txheem tsim khoom ntawm cov saw hlau yuav txuas ntxiv mus tsim kho tshiab thiab txhim kho. Piv txwv li, cov thev naus laus zis vuam tshiab xws li laser vuam thiab kev sib txhuam vuam yuav tsum tau siv dav dua hauv kev tsim cov saw hlau. Cov thev naus laus zis no muaj qhov zoo ntawm kev nkag mus rau hauv tshav kub tsawg, kev vuam ceev ceev thiab kev vuam zoo siab, uas tuaj yeem txo qhov kev hloov pauv vuam thiab txhim kho kev ua haujlwm thiab lub neej ntawm cov saw hlau. Tib lub sijhawm, los ntawm kev tsim kom muaj lub kaw lus tswj xyuas zoo dua thiab cov txheej txheem tsim khoom txheem, kev ruaj khov zoo ntawm cov saw hlau tuaj yeem lav zoo dua, kev sib tw ntawm cov tuam txhab hauv kev lag luam thoob ntiaj teb tuaj yeem txhim kho, thiab lub hauv paus ruaj khov tuaj yeem tso rau kev txhim kho ruaj khov thiab noj qab haus huv ntawm kev lag luam saw hlau.