Laser hardening, ib tug sophisticated deg modification txheej txheem, tau tshwm sim raws li ib tug pivotal txoj kev rau kev txhim kho themechanical thiab hnav cov khoom ntawm cov ntaub ntawv siv nyob rau hauv ntau yam kev siv. Cov txheej txheem no suav nrog cov cua sov hauv ib cheeb tsam ntawm lub workpiece nto siv lub laser beam, ua raws li cov cua txias sai. Qhov kev hloov pauv tau txhim kho qhov tawv tawv, hnav tsis kam, thiab qaug zog lub zog, ua rau nws tshwj xeeb tshaj yog haum rau cov khoom siv rau cov neeg kho tshuab siab loads lossis abrasive ib puag ncig. Kev xaiv ntawm cov khoom ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab qhov ua tau zoo thiab siv tau ntawm laser hardening.
1. High Carbon Steels
Cov pa roj carbon monoxide siab, tus cwj pwm los ntawm cov ntsiab lus carbon feem ntau saum toj no 0.6%, yog cov neeg sib tw tseem ceeb rau laser hardening. Lub xub ntiag ntawm cov pa roj carbon monoxide ua rau kev tsim cov martensite-lub zog microstructure-thaum lub sij hawm ceev quenching. Qhov kev hloov pauv no ua rau muaj qhov ua kom tawv tawv thiab hnav tsis kam thaum tuav lub hauv paus tawv. Cov khoom xws li lub zog, ncej, thiab cov cuab yeej txiav tau txais txiaj ntsig zoo heev los ntawm cov khoom siv kho kom zoo dua qub los ntawm laser-hardened siab carbon steels. Cov txheej txheem tswj cua sov thiab cua txias ua kom muaj kev hloov pauv ntawm cov khoom saum npoo yam tsis muaj kev cuam tshuam cov khoom siv ntau yam ntxwv.
2. Alloy Steels
Alloy steels, uas muaj cov ntsiab lus alloying ntxiv xws li chromium, molybdenum, los yog npib tsib xee, pom tias muaj kev txhim kho hardenability piv rau cov pa carbon steels. Laser hardening tuaj yeem txhim kho lawv cov khoom ntog los ntawm kev txhawb nqa kev tsim ntawm martensite. Cov ntaub ntawv no tau siv dav hauv tsheb, aerospace, thiab cuab yeej kev lag luam uas muaj zog, hnav tsis kam, thiab kav ntev yog qhov tseem ceeb. Laser hardening ntawm alloy steels tso cai rau lub hom phiaj ntxiv dag zog rau cov cheeb tsam tshwj xeeb, optimizing kev ua tau zoo raws li xav tau kev ua haujlwm.
3. Cov cuab yeej hlau
Cov cuab yeej steel, muaj npe nrov rau lawv cov hardness siab, hnav tsis kam, thiab muaj peev xwm tswj tau cov npoo ntse, yog qhov zoo rau laser hardening. Cov cuab yeej siv hauv machining, sib sau, thiab txiav kev ua haujlwm tau txais txiaj ntsig los ntawm cov txheej txheem cua sov thiab quenching, uas ua rau kom muaj kev ruaj khov thiab ua rau lub neej ntev. Laser hardening ntawm cov cuab yeej steels ua kom muaj kev tswj xyuas qhov nyuaj ntawm kev faib tawm, ua kom muaj kev ua tau zoo hauv cov ntawv thov uas yuav tsum tau hnav tsis kam thiab qhov ntev.
4. Stainless hlau
Qee qib ntawm stainless hlau kuj tuaj yeem raug laser hardening los txhim kho lawv cov khoom nto. Stainless hlau muaj nuj nqis rau lawv cov kev tiv thaiv corrosion, thiab laser hardening tso cai rau kev txhim kho ntawm qhov tawv tawv yam tsis muaj kev cuam tshuam lawv cov khoom tiv thaiv corrosive. Qhov no ua rau laser-hardened stainless steels haum rau daim ntaub ntawv nyob rau hauv hnyav ib puag ncig uas ob qho tib si corrosion kuj thiab mechanical zog yog qhov tseem ceeb. Cov khoom siv hauv cov khoom siv kho mob, cov khoom siv ua zaub mov, thiab cov ntawv thov dej hiav txwv tau txais txiaj ntsig los ntawm kev txhim kho hnav tsis kam thiab kev ua neej ntev los ntawm laser hardening.
5. Cam khwb cia hlau
Cam khwb cia hlau, paub txog nws zoo heev casting zog thiab zoo machinability, yuav ua tau zoo nto-hardened siv laser hom kev kawm. Laser hardening ntawm cam khwb cia hlau txhim kho qhov tawv tawv thiab hnav tsis kam, ua rau nws haum rau cov khoom uas raug hnav los yog kev sib tiv tauj siab. Los ntawm kev xaiv hloov kho cov khoom saum npoo av los ntawm laser hardening, cam khwb cia hlau Cheebtsam tuaj yeem ua tiav kev ua tau zoo thiab kev ua haujlwm ntev hauv ntau yam kev siv.
6. Titanium Alloys
Titanium alloys, khoom plig rau lawv lub zog-rau-qhov hnyav piv thiab corrosion kuj, tuaj yeem tau txais txiaj ntsig los ntawm laser hardening los txhim kho qhov tawv tawv thiab hnav tsis kam. Cov txheej txheem no tshwj xeeb tshaj yog nyob rau hauv aerospace, automotive, thiab kev kho mob kev lag luam uas titanium Cheebtsam xav tau kev kho kom zoo dua qub thiab ua haujlwm ntev. Laser hardening ntawm titanium alloys ua rau muaj kev tswj xyuas meej ntawm kev hloov kho saum npoo, kom ntseeg tau tias kev ua haujlwm zoo nyob rau hauv cov xwm txheej huab cua thaum tswj cov khoom siv los ntawm cov txiaj ntsig.
7. Kev txiav txim siab rau kev xaiv cov khoom siv
Thaum txiav txim siab cov ntaub ntawv rau laser hardening, ob peb yam yuav tsum tau coj mus rau hauv tus account:
Tshuaj muaj pes tsawg leeg:Lub xub ntiag ntawm cov ntsiab lus alloying, tshwj xeeb tshaj yog cov pa roj carbon thiab lwm yam hardenability-txhim kho cov ntsiab lus, cuam tshuam qhov tsim nyog rau laser hardening.
Thermal conductivity:Cov ntaub ntawv uas muaj nruab nrab mus rau qis thermal conductivity yog nyiam rau laser hardening raws li lawv pab kom ceev cua sov thiab cua txias mus, txhawb kev tsim ntawm martensite.
Qhov yuav tsum tau muaj:Laser hardening yog qhov muaj txiaj ntsig zoo thaum cov khoom siv tshwj xeeb xws li hardness, hnav tsis kam, thiab qaug zog lub zog xav tau kev txhim kho thaum tuav cov khoom tseem ceeb.
Kev Siv Ib puag ncig:Daim ntawv thov thiab kev khiav hauj lwm cov kev mob dictate qhov yuav tsum tau deg lub zog, taw kev xaiv cov khoom tsim nyog rau laser hardening.
8. Cov lus xaus
Hauv kev xaus, kev xaiv cov khoom siv rau laser hardening nyob ntawm lawv cov tshuaj muaj pes tsawg leeg, thermal zog, thiab cov yam ntxwv ntawm qhov xav tau. High carbon steels, alloy steels, cuab yeej hlau, stainless hlau, cam khwb cia hlau, thiab titanium alloys yog cov ntaub ntawv zoo txhim khu kev qha los ntawm laser hardening. Cov txheej txheem kev hloov kho saum npoo av no muaj kev tswj xyuas meej ntawm cov khoom saum npoo av, ua rau cov tuam txhab tsim kho kom zoo dua qub, kev ua haujlwm ntev, thiab kev ntseeg siab ntawm cov khoom hauv ntau hom kev lag luam. Kev nce qib ntxiv hauv laser thev naus laus zis thiab cov txheej txheem kev ua kom zoo yog xav kom nthuav dav ntxiv thiab cov txiaj ntsig ntawm laser hardening hauv kev tsim khoom niaj hnub.
Laser hardening stands raws li ib tug pov thawj rau lub transformative muaj peev xwm ntawm advanced manufacturing cov txheej txheem nyob rau hauv ua tau raws li cov kev xav tau nruj heev ntawm niaj hnub kev lag luam kev siv.