Yuav ua li cas kom txo tau qhov kev ntxhov siab ntawm cov saw hlau tom qab vuam

Yuav ua li cas kom txo tau qhov kev ntxhov siab ntawm cov saw hlau tom qab vuam
Hauv kev tsim khoom thiab kev tsim khoom ntawm cov saw hlau, kev vuam yog ib qho txheej txheem tseem ceeb. Txawm li cas los xij, feem ntau yuav muaj kev ntxhov siab seem hauv cov saw hlau tom qab vuam. Yog tias tsis muaj kev ntsuas zoo los txo nws, nws yuav muaj ntau yam tsis zoo rau qhov zoo thiab kev ua tau zoo ntawmcov saw hlau, xws li txo nws lub zog qaug zog, ua rau deformation thiab txawm tias tawg, yog li cuam tshuam rau kev siv thiab lub neej ib txwm ntawm cov saw hlau hauv ntau yam khoom siv kho tshuab. Yog li ntawd, nws yog ib qho tseem ceeb heev uas yuav tsum kawm tob thiab paub txog cov hau kev los txo qhov kev ntxhov siab ntawm cov saw hlau vuam.

1. Ua rau muaj kev ntxhov siab seem
Thaum lub sijhawm vuam, qhov chaw vuam ntawm cov saw hlau yuav raug cua sov thiab txias tsis sib npaug. Thaum lub sijhawm vuam, qhov kub ntawm qhov vuam thiab thaj chaw ib puag ncig nce siab sai, thiab cov khoom siv hlau nthuav dav; thiab thaum lub sijhawm txias, qhov kev sib zog ntawm cov hlau hauv cov chaw no raug txwv los ntawm cov hlau tsis tau cua sov ib puag ncig, yog li tsim kev ntxhov siab seem vuam.
Cov xwm txheej txwv thaum lub sijhawm vuam kuj tseem yuav cuam tshuam rau qhov loj me thiab kev faib tawm ntawm cov kev ntxhov siab seem. Yog tias cov saw hlau raug txwv heev thaum lub sijhawm vuam, uas yog, qib ntawm kev hloov pauv ruaj khov lossis txwv loj, tom qab ntawd thaum lub sijhawm txias tom qab vuam, cov kev ntxhov siab seem uas tshwm sim los ntawm qhov tsis muaj peev xwm ntswj tau yooj yim kuj yuav nce ntxiv raws li.
Cov yam ntxwv ntawm cov khoom siv hlau nws tus kheej tsis tuaj yeem tsis quav ntsej. Cov ntaub ntawv sib txawv muaj cov khoom siv thermal thiab mechanical sib txawv, uas yuav ua rau muaj kev nthuav dav thermal, kev cog lus thiab lub zog ntawm cov khoom siv thaum lub sijhawm vuam, yog li cuam tshuam rau kev tsim cov kev ntxhov siab seem. Piv txwv li, qee cov hlau alloy muaj zog siab muaj lub zog tso zis siab thiab feem ntau yuav tsim cov kev ntxhov siab seem loj thaum lub sijhawm vuam.

2. Cov txheej txheem los txo cov kev ntxhov siab seem hauv kev vuam cov saw hlau

(I) Txhim kho cov txheej txheem vuam

Npaj cov txheej txheem vuam kom zoo: Rau kev vuam cov saw hlau, cov vuam uas muaj qhov nqaim loj yuav tsum tau vuam ua ntej, thiab cov vuam uas muaj qhov nqaim me me yuav tsum tau vuam tom qab. Qhov no ua rau cov vuam nqaim dua thaum lub sijhawm vuam, txo qhov kev ntxhov siab seem uas tshwm sim los ntawm qhov nqaim ntawm cov vuam. Piv txwv li, thaum vuam cov phaj saw hlau sab hauv thiab sab nraud ntawm cov saw hlau, cov phaj saw hlau sab hauv yuav tsum tau vuam ua ntej, thiab tom qab ntawd cov phaj saw hlau sab nraud yuav tsum tau vuam tom qab nws txias, yog li qhov vuam ntawm cov phaj saw hlau sab hauv yuav tsum tsis txhob raug txwv ntau dhau los ntawm cov phaj saw hlau sab nraud thaum lub sijhawm vuam.

Siv cov txheej txheem vuam thiab cov txheej txheem tsim nyog: Cov txheej txheem vuam sib txawv muaj cov kev ntxhov siab sib txawv ntawm cov saw hlau. Piv txwv li, kev vuam siv roj tiv thaiv tuaj yeem txo qhov kub ntawm thaj chaw cuam tshuam rau qee qhov piv rau qee cov txheej txheem vuam ib txwm muaj vim nws cov cua sov arc concentrated thiab kev ua haujlwm thermal siab, yog li txo cov kev ntxhov siab seem. Tib lub sijhawm, nws tseem ceeb heev rau kev xaiv cov txheej txheem xws li vuam tam sim no, voltage, thiab vuam ceev. Vuam tam sim no ntau dhau yuav ua rau vuam nkag mus ntau dhau thiab nkag mus rau hauv cua sov ntau dhau, uas yuav ua rau qhov sib koom ua ke vuam kub dhau thiab ua rau muaj kev ntxhov siab seem; thaum cov txheej txheem vuam tsim nyog tuaj yeem ua rau cov txheej txheem vuam ruaj khov dua, txo cov qhov tsis zoo ntawm vuam, thiab yog li txo cov kev ntxhov siab seem.
Tswj qhov kub ntawm cov txheej: Thaum vuam cov saw hlau ua ntau txheej thiab ntau zaus, kev tswj qhov kub ntawm cov txheej yog ib qho kev ntsuas zoo los txo qhov kev ntxhov siab seem. Qhov kub ntawm cov txheej tsim nyog tuaj yeem ua rau cov hlau ntawm qhov vuam thiab thaj chaw cuam tshuam los ntawm cua sov kom zoo thaum lub sijhawm vuam, uas ua rau qhov vuam ntswj thiab tso tawm kev ntxhov siab. Feem ntau, qhov kub ntawm cov txheej yuav tsum tau txiav txim siab raws li cov yam ntxwv ntawm cov ntaub ntawv siv hauv cov saw hlau thiab cov kev cai ntawm cov txheej txheem vuam, thiab qhov kub thaum lub sijhawm vuam yuav tsum tau ntsuas thiab tswj kom ntseeg tau tias qhov kub ntawm cov txheej nyob hauv qhov ntau thiab tsawg tsim nyog.
(II) Txais yuav cov kev ntsuas ua ntej thiab tom qab cua sov kom tsim nyog
Kev Ua Ntej: Ua ntej vuam cov saw hlau, kev ua ntej qhov vuam tuaj yeem txo qhov kev ntxhov siab seem ntawm kev vuam. Kev ua ntej tuaj yeem txo qhov sib txawv ntawm qhov kub ntawm qhov sib koom ua ke thiab ua rau qhov kub ntawm qhov vuam sib npaug ntau dua thaum vuam, yog li txo qhov kev ntxhov siab thermal los ntawm qhov kub hloov pauv. Tsis tas li ntawd, kev ua ntej kuj tseem tuaj yeem ua rau qhov kub pib ntawm qhov vuam, txo qhov sib txawv ntawm qhov kub ntawm cov hlau vuam thiab cov khoom siv hauv paus, txhim kho kev ua haujlwm ntawm qhov sib koom ua ke, txo qhov tsim ntawm qhov tsis zoo ntawm kev vuam, thiab yog li txo qhov kev ntxhov siab seem. Kev txiav txim siab ntawm qhov kub ua ntej yuav tsum yog raws li cov khoom sib xyaw, tuab, txoj kev vuam thiab qhov kub ib puag ncig ntawm cov khoom siv saw hlau.
Tom Qab Kub: Kev kho tom qab kub tom qab vuam, uas yog, kev kho dehydrogenation, kuj yog ib qho tseem ceeb los txo qhov kev ntxhov siab ntawm cov saw hlau dov. Kev kho tom qab kub feem ntau ua rau qhov vuam kub txog li 250-350 ℃ tam sim ntawd tom qab vuam tiav thiab txias rau qee qhov kub, thiab tom qab ntawd maj mam txias tom qab khaws cia sov rau ib lub sijhawm. Lub luag haujlwm tseem ceeb ntawm kev ua kom sov tom qab yog ua kom nrawm dua qhov sib kis thiab tawm ntawm cov hydrogen atoms hauv qhov vuam thiab thaj chaw cuam tshuam los ntawm cua sov, txo cov hydrogen hauv qhov vuam, yog li txo qhov ua tau ntawm hydrogen ua rau muaj kev ntxhov siab corrosion tawg, thiab tseem pab txo qhov kev ntxhov siab ntawm qhov vuam. Kev kho tom qab kub yog qhov tseem ceeb rau kev vuam qee cov hlau muaj zog thiab cov saw hlau dov tuab.
(III) Ua kev kho cua sov tom qab vuam
Kev kho kom sov siab tag nrho: Muab tag nrho cov saw hlau rau hauv lub cub tawg, maj mam ua kom sov txog li 600-700 ℃, ua kom sov rau ib lub sijhawm, thiab tom qab ntawd txias rau chav sov nrog lub cub tawg. Kev kho kom sov siab tag nrho no tuaj yeem tshem tawm cov kev ntxhov siab seem hauv cov saw hlau, feem ntau 80% -90% ntawm cov kev ntxhov siab seem tuaj yeem tshem tawm. Qhov kub thiab lub sijhawm ntawm kev kho kom sov siab yuav tsum tau tswj hwm raws li cov yam ntxwv xws li cov khoom siv, qhov loj me thiab kev ua haujlwm ntawm cov saw hlau kom ntseeg tau tias muaj txiaj ntsig zoo thiab zoo. Txawm li cas los xij, kev kho kom sov siab tag nrho xav tau cov khoom siv kho kom sov loj dua thiab tus nqi kho yog siab heev, tab sis rau qee cov khoom saw hlau nrog cov kev cai nruj ntawm kev ntxhov siab seem, nws yog ib txoj hauv kev zoo tshaj plaws los tshem tawm cov kev ntxhov siab seem.
Kev kho kub hauv zos: Thaum cov saw hlau loj lossis muaj cov duab nyuaj, thiab kev kho kub hauv zos nyuaj, kev kho kub hauv zos siv tau. Kev kho kub hauv zos tsuas yog kho qhov vuam ntawm cov saw hlau thiab thaj chaw ze nws kom tshem tawm cov kev ntxhov siab seem hauv thaj chaw. Piv nrog kev kho kub hauv zos, kev kho kub hauv zos muaj cov khoom siv thiab cov nqi ua haujlwm qis dua, tab sis nws cov txiaj ntsig ntawm kev tshem tawm cov kev ntxhov siab seem tsis zoo li kev kho kub hauv zos. Thaum ua kev kho kub hauv zos, yuav tsum tau them sai sai rau qhov sib xws ntawm thaj chaw cua sov thiab kev tswj hwm qhov kub kom tsis txhob muaj kev ntxhov siab tshiab lossis lwm yam teeb meem zoo los ntawm kev kub dhau hauv zos lossis qhov kub tsis sib xws.
(IV) Txoj kev ncab tshuab
Txoj kev ncab tshuab yog siv lub zog tensile rau cov saw hlau tom qab vuam kom ua rau cov yas deformation, yog li them rau qhov compressive residual deformation tsim thaum lub sijhawm vuam thiab ua tiav lub hom phiaj ntawm kev txo cov kev ntxhov siab seem. Hauv kev ua haujlwm tiag tiag, cov khoom siv ncab tshwj xeeb tuaj yeem siv los teeb tsa lub zog tensile thiab qhov ceev ncab raws li cov lus qhia thiab kev ua tau zoo ntawm cov saw hlau kom ncab cov saw hlau sib npaug. Txoj kev no muaj txiaj ntsig zoo rau qee cov khoom saw hlau uas xav tau kev tswj hwm qhov loj me thiab kev tshem tawm cov kev ntxhov siab seem, tab sis nws yuav tsum tau nruab nrog cov khoom siv ncab thiab cov neeg ua haujlwm tshaj lij, thiab muaj qee qhov kev cai rau qhov chaw tsim khoom thiab cov xwm txheej txheej txheem.
(V) Txoj kev ncab qhov sib txawv ntawm qhov kub thiab txias
Lub hauv paus ntsiab lus ntawm txoj kev ncab qhov sib txawv ntawm qhov kub thiab txias yog siv qhov sib txawv ntawm qhov kub thiab txias uas tsim los ntawm cua sov hauv zos kom ua rau muaj kev hloov pauv tensile hauv thaj chaw vuam, yog li txo qhov kev ntxhov siab seem. Kev ua haujlwm tshwj xeeb yog siv lub teeb oxyacetylene los ua kom sov txhua sab ntawm cov hlau dov, thiab tib lub sijhawm siv cov yeeb nkab dej nrog ib kab ntawm cov qhov los tsuag dej rau txias ntawm qhov deb tom qab lub teeb. Ua li no, thaj chaw kub siab tau tsim rau ob sab ntawm qhov vuam, thaum qhov kub ntawm thaj chaw vuam qis. Cov hlau ntawm ob sab nthuav dav vim cua sov thiab ncab thaj chaw vuam nrog qhov kub qis dua, yog li ua tiav lub hom phiaj ntawm kev tshem tawm qee qhov kev ntxhov siab seem vuam. Cov khoom siv ntawm txoj kev ncab qhov sib txawv ntawm qhov kub thiab txias yog qhov yooj yim thiab yooj yim rau kev ua haujlwm. Nws tuaj yeem siv tau yooj yim ntawm qhov chaw tsim kho lossis qhov chaw tsim khoom, tab sis nws cov txiaj ntsig ntawm kev tshem tawm cov kev ntxhov siab seem yog cuam tshuam los ntawm cov yam ntxwv xws li qhov kub thiab txias, qhov ceev txias, thiab qhov deb ntawm dej tsuag. Nws yuav tsum tau tswj hwm thiab kho kom raug raws li qhov xwm txheej tiag tiag.
(VI) Kev kho mob laus los ntawm kev co
Kev kho kom laus los ntawm kev co siv cov nyhuv ntawm lub zog kho tshuab los ua kom cov saw hlau resonate, yog li ntawd qhov kev ntxhov siab seem hauv cov khoom ua haujlwm tau homogenized thiab txo qis. Cov saw hlau tau muab tso rau ntawm cov khoom siv tshwj xeeb rau kev laus los ntawm kev co, thiab qhov zaus thiab qhov loj ntawm lub exciter tau kho kom ua rau cov saw hlau resonate hauv ib lub sijhawm. Thaum lub sijhawm ua haujlwm resonance, cov hlau hauv cov saw hlau yuav plam thiab rov ua dua, cov qauv me me yuav zoo dua, thiab qhov kev ntxhov siab seem yuav maj mam txo qis. Kev kho kom laus los ntawm kev co muaj qhov zoo ntawm cov khoom siv yooj yim, lub sijhawm ua haujlwm luv luv, tus nqi qis, kev ua haujlwm siab, thiab lwm yam, thiab yuav tsis cuam tshuam rau qhov zoo ntawm cov saw hlau. Yog li ntawd, nws tau siv dav hauv kev tsim cov saw hlau. Feem ntau, kev kho kom laus los ntawm kev co tuaj yeem tshem tawm txog 30% - 50% ntawm qhov kev ntxhov siab seem ntawm kev vuam saw hlau. Rau qee cov khoom siv saw hlau uas tsis xav tau qhov kev ntxhov siab seem siab, kev kho kom laus los ntawm kev co yog ib txoj hauv kev pheej yig thiab zoo rau kev tshem tawm qhov kev ntxhov siab seem.
(VII) Txoj kev ntaus nrig
Txoj kev ntaus hlau yog ib txoj kev yooj yim thiab siv ntau los txo qhov kev ntxhov siab ntawm kev vuam. Tom qab vuam cov saw hlau, thaum qhov kub ntawm kev vuam yog 100 - 150 ℃ lossis siab dua 400 ℃, siv lub rauj me me los ntaus cov hlau thiab nws cov cheeb tsam ze kom ua rau cov hlau hloov pauv hauv zos, yog li txo qhov kev ntxhov siab seem. Nws yuav tsum nco ntsoov tias thaum lub sijhawm ntaus hlau, nws yuav tsum tsis txhob nyob rau hauv qhov kub ntawm 200 - 300 ℃, vim tias cov hlau nyob rau hauv theem brittle lub sijhawm no, thiab kev ntaus hlau tuaj yeem ua rau qhov vuam tawg yooj yim. Tsis tas li ntawd, lub zog thiab zaus ntawm kev ntaus hlau yuav tsum nruab nrab, thiab yuav tsum tau kho raws li cov yam xws li qhov tuab ntawm cov saw hlau thiab qhov loj ntawm qhov vuam kom ntseeg tau tias qhov cuam tshuam thiab zoo ntawm kev ntaus hlau. Txoj kev ntaus hlau feem ntau yog haum rau qee qhov me me, yooj yim vuam cov saw hlau. Rau cov hlau loj lossis nyuaj vuam cov saw hlau, qhov cuam tshuam ntawm txoj kev ntaus hlau yuav raug txwv thiab yuav tsum tau siv ua ke nrog lwm txoj kev.

3. Yuav ua li cas xaiv txoj kev txo kev ntxhov siab uas tsim nyog
Thaum tsim khoom tiag tiag, raws li qhov xwm txheej sib txawv thiab cov kev xav tau ntawm cov saw hlau, nws yog qhov tsim nyog los xav txog qhov zoo thiab qhov tsis zoo, qhov ntau thiab tsawg ntawm kev siv, tus nqi thiab lwm yam ntawm ntau txoj kev txo kev ntxhov siab seem kom xaiv txoj kev kho mob tsim nyog. Piv txwv li, rau qee cov saw hlau uas muaj qhov tseeb siab, muaj zog siab, tuab phab ntsa, tag nrho kev kub siab tempering yuav yog qhov kev xaiv zoo tshaj plaws; thaum rau qee cov khoom loj thiab cov duab yooj yim ntawm cov saw hlau, kev kho kev laus kev co lossis txoj kev hammering tuaj yeem txo cov nqi tsim khoom thiab txhim kho kev ua haujlwm ntau lawm. Tib lub sijhawm, thaum xaiv txoj hauv kev los txo kev ntxhov siab seem, nws tseem tsim nyog los xav txog qhov chaw siv thiab cov xwm txheej ua haujlwm ntawm cov saw hlau kom ntseeg tau tias txoj hauv kev siv tau ua tau raws li cov kev xav tau kev ua tau zoo thiab cov qauv zoo ntawm cov saw hlau thaum siv tiag tiag.
4. Lub luag haujlwm ntawm kev txo cov kev ntxhov siab seem hauv kev txhim kho qhov zoo thiab kev ua tau zoo ntawm cov saw hlau
Kev txo qhov kev ntxhov siab seem ntawm kev vuam tuaj yeem ua rau lub zog qaug zog ntawm cov saw hlau dov tau zoo dua. Thaum qhov kev ntxhov siab tensile seem hauv cov saw hlau dov raug txo lossis tshem tawm, qib kev ntxhov siab tiag tiag uas nws ris thaum lub sijhawm ua haujlwm yuav raug txo raws li, yog li ntawd txo qhov kev pheej hmoo ntawm kev tawg uas tshwm sim los ntawm kev pib thiab nthuav dav ntawm cov kab nrib pleb qaug zog thiab ua kom lub neej ua haujlwm ntev dua.
Nws pab txhim kho qhov ruaj khov ntawm qhov ntev thiab cov duab ntawm cov saw hlau. Kev ntxhov siab ntau dhau tuaj yeem ua rau cov saw hlau puas thaum siv, cuam tshuam rau nws qhov sib phim nrog cov sprockets thiab lwm yam khoom, thiab yog li cuam tshuam rau kev ua haujlwm ib txwm ntawm cov khoom siv kho tshuab. Los ntawm kev txo cov kev ntxhov siab seem, cov saw hlau tuaj yeem tswj tau qhov ruaj khov ntawm qhov ntev thiab cov duab zoo thaum siv, thiab txhim kho kev ntseeg siab thiab qhov tseeb ntawm kev sib kis.
Nws tuaj yeem txo qhov kev pheej hmoo ntawm kev ntxhov siab corrosion tawg ntawm cov saw hlau hauv cov chaw corrosive. Kev ntxhov siab tensile seem yuav ua rau cov saw hlau rhiab heev rau kev ntxhov siab corrosion tawg hauv cov xov xwm corrosive, thiab kev txo cov kev ntxhov siab seem tuaj yeem txo qhov kev pheej hmoo no, txhim kho kev tiv thaiv corrosion ntawm cov saw hlau hauv cov chaw nyuaj, thiab nthuav lawv cov kev siv.