Cov nyhuv ntawm kev tswj qhov kub thiab txias rau kev hloov pauv thaum lub sijhawm vuam cov saw hlau

Cov nyhuv ntawm kev tswj qhov kub thiab txias rau kev hloov pauv thaum lub sijhawm vuam cov saw hlau

Kev Taw Qhia
Hauv kev lag luam niaj hnub no,cov saw hlauyog ib qho khoom siv kho tshuab uas siv dav hauv kev sib kis thiab kev xa khoom. Nws qhov zoo thiab kev ua tau zoo cuam tshuam ncaj qha rau kev ua haujlwm zoo thiab kev ntseeg siab ntawm cov khoom siv kho tshuab. Kev vuam yog ib qho ntawm cov kev sib txuas tseem ceeb hauv cov txheej txheem tsim khoom ntawm cov saw hlau, thiab kev tswj qhov kub thaum lub sijhawm vuam muaj qhov cuam tshuam tseem ceeb rau kev hloov pauv ntawm cov saw hlau. Tsab xov xwm no yuav tshawb nrhiav tob txog cov txheej txheem cuam tshuam ntawm kev tswj qhov kub rau kev hloov pauv thaum lub sijhawm vuam saw hlau, cov hom kev hloov pauv thiab lawv cov kev ntsuas tswj, lub hom phiaj yog muab cov ntaub ntawv qhia txog kev siv tshuab rau cov chaw tsim khoom saw hlau, thiab tseem muab lub hauv paus rau kev tswj xyuas zoo rau cov neeg yuav khoom lag luam thoob ntiaj teb.

Kev tswj qhov kub thaum lub sijhawm vuam cov saw hlau
Cov txheej txheem vuam yog ib qho txheej txheem ntawm kev cua sov thiab txias hauv zos. Hauv kev vuam cov saw hlau, kev vuam arc, kev vuam laser thiab lwm yam thev naus laus zis vuam feem ntau yog siv, thiab cov txheej txheem vuam no yuav tsim cov cua sov kub siab. Thaum lub sijhawm vuam, qhov kub ntawm qhov vuam thiab thaj chaw ib puag ncig yuav nce sai thiab tom qab ntawd txias, thaum qhov kub hloov pauv ntawm thaj chaw deb ntawm qhov vuam yog me me. Qhov kev faib tawm kub tsis sib xws no yuav ua rau tsis sib xws thermal nthuav dav thiab kev cog lus ntawm cov khoom, yog li ua rau deformation.
Cov nyhuv ntawm qhov kub vuam rau cov khoom siv
Qhov kub ntawm vuam siab dhau heev yuav ua rau cov khoom siv kub dhau, ua rau nws cov noob ntxhib, yog li txo cov khoom siv kho tshuab ntawm cov khoom siv, xws li lub zog thiab kev tawv. Tib lub sijhawm, qhov kub siab dhau kuj tseem yuav ua rau oxidation lossis carbonization ntawm qhov chaw ntawm cov khoom siv, cuam tshuam rau qhov zoo ntawm vuam thiab kev kho qhov chaw tom qab. Ntawm qhov tsis sib xws, qhov kub ntawm vuam qis dhau yuav ua rau tsis txaus vuam, tsis txaus lub zog vuam, thiab txawm tias qhov tsis zoo xws li unfusion.

Txoj kev tswj hwm ntawm qhov kub thiab txias vuam
Yuav kom paub tseeb tias qhov vuam zoo, yuav tsum tswj qhov kub ntawm qhov vuam kom nruj. Cov txheej txheem tswj hwm feem ntau suav nrog:
Kev Ua Ntej: Kev ua ntej cov khoom uas yuav tsum tau welded ntawm cov saw hlau ua ntej vuam tuaj yeem txo qhov kub thiab txias thaum vuam thiab txo qhov kev ntxhov siab thermal.
Kev tswj qhov kub ntawm cov txheej txheem sib txuas: Thaum vuam ntau txheej, yuav tsum tswj qhov kub ntawm txhua txheej tom qab vuam kom tsis txhob kub dhau lossis txias dhau.
Kev kho cua sov tom qab: Tom qab vuam tiav lawm, cov khoom vuam raug rau kev kho cua sov kom zoo, xws li annealing lossis normalizing, kom tshem tawm cov kev ntxhov siab seem uas tsim thaum lub sijhawm vuam.

Hom thiab ua rau muaj kev hloov pauv ntawm vuam
Kev hloov pauv ntawm kev vuam yog ib qho tshwm sim uas tsis zam tau hauv cov txheej txheem vuam, tshwj xeeb tshaj yog nyob rau hauv cov khoom sib xyaw ua ke xws li cov saw hlau. Raws li kev taw qhia thiab daim ntawv ntawm kev hloov pauv, kev hloov pauv ntawm kev vuam tuaj yeem muab faib ua cov hom hauv qab no:
Kev hloov pauv ntawm qhov ntev thiab qhov hla ntawm qhov sib txawv
Thaum lub sijhawm vuam, qhov vuam thiab nws thaj chaw ib puag ncig nthuav dav thaum cua sov thiab ntsws thaum txias. Vim yog qhov ntsws hauv qhov kev taw qhia vuam thiab qhov ntsws transverse, qhov vuam yuav tsim cov deformation longitudinal thiab transverse shrinkage. Qhov deformation no yog ib qho ntawm cov hom deformation feem ntau tom qab vuam thiab feem ntau nyuaj kho, yog li nws yuav tsum tau tswj hwm los ntawm kev blanking meej thiab khaws cia shrinkage allowance ua ntej vuam.
Kev khoov deformation
Kev khoov deformation yog tshwm sim los ntawm qhov ntev thiab transverse shrinkage ntawm lub weld. Yog tias qhov faib ntawm lub weld ntawm qhov khoom tsis sib xws lossis qhov kev vuam tsis tsim nyog, qhov weldment yuav khoov tom qab txias.
Kev hloov pauv ntawm lub kaum sab xis
Qhov kev hloov pauv ntawm lub kaum sab xis yog tshwm sim los ntawm cov duab tsis sib xws ntawm qhov vuam lossis cov txheej vuam tsis tsim nyog. Piv txwv li, hauv T-joint vuam, qhov kev ntswj ntawm ib sab ntawm qhov vuam yuav ua rau lub dav hlau vuam tsim cov kev hloov pauv ntawm qhov hloov pauv ntawm qhov vuam hauv qhov kev taw qhia tuab.
Kev hloov pauv ntawm nthwv dej
Feem ntau qhov kev hloov pauv ntawm nthwv dej tshwm sim hauv kev vuam cov qauv phaj nyias. Thaum qhov kev vuam tsis ruaj khov nyob rau hauv qhov kev ntxhov siab ntawm kev ntxhov siab sab hauv ntawm kev vuam, nws yuav zoo li nthwv dej tom qab vuam. Qhov kev hloov pauv no feem ntau tshwm sim hauv kev vuam cov khoom phaj nyias ntawm cov saw hlau.

Lub tshuab cuam tshuam ntawm kev tswj qhov kub thiab txias rau kev vuam deformation
Qhov cuam tshuam ntawm kev tswj qhov kub thiab txias hauv cov txheej txheem vuam rau kev vuam deformation feem ntau yog pom tseeb hauv cov hauv qab no:
Kev nthuav dav thiab kev cog lus ntawm thermal
Thaum lub sijhawm vuam, qhov kub ntawm qhov vuam thiab thaj chaw ib puag ncig nce siab, thiab cov khoom nthuav dav. Thaum vuam tiav, cov cheeb tsam no txias thiab cog lus, thaum qhov kub hloov pauv ntawm thaj chaw deb ntawm qhov vuam me me thiab qhov kev cog lus kuj me me. Qhov kev nthuav dav thiab kev cog lus thermal tsis sib xws no yuav ua rau qhov vuam deform. Los ntawm kev tswj qhov kub ntawm qhov vuam, qhov tsis sib xws no tuaj yeem txo qis, yog li txo qhov degree ntawm deformation.
Kev ntxhov siab thermal
Qhov kub tsis sib npaug thaum lub sijhawm vuam yuav ua rau muaj kev ntxhov siab thermal. Kev ntxhov siab thermal yog ib qho ntawm cov laj thawj tseem ceeb uas ua rau vuam deformation. Thaum qhov kub vuam siab dhau lossis qhov txias ceev dhau, kev ntxhov siab thermal yuav nce ntxiv, ua rau muaj kev hloov pauv ntau dua.
Kev ntxhov siab seem
Tom qab vuam tiav lawm, yuav muaj qee qhov kev ntxhov siab nyob hauv qhov vuam, uas hu ua kev ntxhov siab seem. Kev ntxhov siab seem yog ib qho ntawm cov yam tseem ceeb uas ua rau vuam tsis zoo. Los ntawm kev tswj qhov kub thiab txias kom zoo, kev tsim cov kev ntxhov siab seem tuaj yeem txo tau, yog li ntawd thiaj li txo tau kev vuam tsis zoo.

Kev tswj hwm kev hloov pauv ntawm vuam
Yuav kom txo tau qhov kev hloov pauv ntawm qhov vuam, ntxiv rau kev tswj hwm qhov kub ntawm qhov vuam, cov kev ntsuas hauv qab no kuj tseem tuaj yeem ua tau:
Tsim qauv tsim nyog ntawm kev vuam sib law liag
Cov txheej txheem vuam muaj feem cuam tshuam loj heev rau kev vuam deformation. Kev vuam zoo tuaj yeem txo qhov kev hloov pauv ntawm kev vuam. Piv txwv li, rau cov vuam ntev, txoj kev vuam rov qab los yog txoj kev vuam hla tuaj yeem siv los txo cov cua sov sib sau ua ke thiab deformation thaum lub sijhawm vuam.
Txoj kev kho kom ruaj khov
Thaum lub sijhawm vuam, txoj kev kho kom ruaj khov siv tau los txwv tsis pub qhov vuam hloov pauv. Piv txwv li, siv lub clamp lossis kev txhawb nqa los kho qhov vuam kom ruaj khov kom nws tsis yooj yim hloov pauv thaum vuam.
Txoj kev tiv thaiv kev hloov pauv
Txoj kev tiv thaiv kev hloov pauv yog siv qhov kev hloov pauv uas tawm tsam qhov kev hloov pauv ntawm kev vuam rau ntawm qhov vuam ua ntej kom txo qhov kev hloov pauv uas tsim los thaum lub sijhawm vuam. Txoj kev no xav tau kev kwv yees thiab kev kho kom raug raws li txoj cai thiab qib ntawm kev hloov pauv ntawm kev vuam.
Kev kho tom qab vuam
Tom qab vuam, qhov vuam tuaj yeem ua tiav tom qab ua tiav, xws li hammering, vibration lossis kev kho cua sov, kom tshem tawm cov kev ntxhov siab seem thiab deformation tsim thaum lub sijhawm vuam.

Kev tshuaj xyuas cov ntaub ntawv: kev tswj qhov kub thiab txias ntawm cov hlau vuam thiab kev tswj kev hloov pauv
Cov hauv qab no yog ib qho xwm txheej tiag tiag uas qhia txog yuav ua li cas txhim kho qhov zoo ntawm kev vuam ntawm cov saw hlau los ntawm kev tswj qhov kub thiab kev ntsuas kev hloov pauv.
Keeb Kwm
Ib lub tuam txhab tsim cov saw hlau uas muaj log tsim cov saw hlau uas muaj log rau cov tshuab xa khoom, uas xav tau kev vuam zoo thiab kev vuam me me. Thaum pib tsim khoom, vim yog kev tswj qhov kub ntawm kev vuam tsis zoo, qee cov saw hlau uas muaj log tau khoov thiab hloov pauv ntawm lub kaum sab xis, uas cuam tshuam rau qhov zoo thiab lub neej ua haujlwm ntawm cov khoom.

Kev daws teeb meem
Kev tswj qhov kub thiab txias kom zoo dua:
Ua ntej vuam, cov saw hlau uas yuav tsum tau vuam yog preheated, thiab qhov kub thiab txias preheating yog txiav txim siab tias yog 150 ℃ raws li cov coefficient thermal expansion ntawm cov khoom siv thiab cov txheej txheem vuam xav tau.
Thaum lub sijhawm vuam, qhov vuam tam sim no thiab qhov ceev vuam raug tswj hwm nruj me ntsis kom ntseeg tau tias qhov kub vuam nyob hauv qhov ntau thiab tsawg.
Tom qab vuam, qhov vuam seem raug kho tom qab cua sov, thiab cov txheej txheem annealing raug saws. Qhov kub thiab txias raug tswj ntawm 650 ℃, thiab lub sijhawm rwb thaiv tsev raug txiav txim siab tias yog 1 teev raws li qhov tuab ntawm cov saw hlau.
Kev ntsuas tswj kev hloov pauv:
Txoj kev vuam rov qab segmented yog siv rau kev vuam, thiab qhov ntev ntawm txhua ntu vuam yog tswj tsis pub dhau 100 hli kom txo cov cua sov sib sau ua ke thaum vuam.
Thaum lub sijhawm vuam, cov saw hlau raug kho rau hauv qhov chaw nrog lub clamp kom tiv thaiv kev vuam deformation.
Tom qab vuam, qhov vuam ib feem yog hammered kom tshem tawm cov kev ntxhov siab seem tsim thaum lub sijhawm vuam.

Qhov tshwm sim
Los ntawm cov kev ntsuas saum toj no, qhov zoo ntawm kev vuam ntawm cov saw hlau tau zoo dua qub. Kev hloov pauv ntawm kev vuam tau raug tswj tau zoo, thiab qhov tshwm sim ntawm kev khoov deformation thiab angular deformation tau raug txo los ntawm ntau dua 80%. Tib lub sijhawm, lub zog thiab kev tawv ntawm cov khoom vuam tau raug lav, thiab lub neej ua haujlwm ntawm cov khoom tau ntev dua 30%.
Xaus lus
Kev tswj qhov kub thiab txias cuam tshuam rau kev hloov pauv thaum lub sijhawm vuam cov saw hlau muaj ntau yam. Los ntawm kev tswj qhov kub thiab txias ntawm kev vuam, kev hloov pauv ntawm kev vuam tuaj yeem txo tau zoo thiab qhov zoo ntawm kev vuam tuaj yeem txhim kho. Tib lub sijhawm, ua ke nrog kev vuam sib law liag tsim nyog, txoj kev kho kom ruaj khov, txoj kev tiv thaiv kev hloov pauv thiab kev kho tom qab vuam, cov nyhuv vuam ntawm cov saw hlau tuaj yeem ua kom zoo dua.