Ua ib lub tuam txhab tsim cov ntsia hlau rau tsheb thauj khoom, peb nkag siab tias 80% ntawm kev ua tau zoo ntawm cov ntsia hlau yog nyob ntawm nws cov khoom siv tseem ceeb. Cov khoom siv ua lub hauv paus txiav txim siab lub zog, kev tawv, thiab kev ruaj khov ntawm cov ntsia hlau. Ntawm no, peb rhuav tshem cov khoom siv tseem ceeb uas siv rau hauv kev tsim khoom zoo tshaj plaws.cov ntsia hlau thauj khoomthiab lawv cov yam ntxwv.
1. Cov Khoom Siv Tseem Ceeb: Cov Hlau Sib Xyaws
Tsheb thauj khoomcov ntsia hlauyuav tsum ua haujlwm nyob rau hauv cov khoom hnyav heev, kev co tas mus li, thiab qhov kub thiab txias hloov pauv, xav tau cov qauv khoom siv siab heev. Peb feem ntau siv cov hlau alloy nruab nrab xws li 40Cr (chromium steel), 35CrMo (chromium-molybdenum steel), thiab 42CrMo. Cov ntaub ntawv no suav nrog cov ntsiab lus alloying xws li chromium, molybdenum, thiab manganese, ua rau cov hlau tawv, lub zog, thiab kev tiv taus qaug zog zoo dua.
· 40Cr: Muaj cov khoom siv kho tshuab zoo heev thiab yog cov khoom siv dav siv rau kev tsim cov ntsia hlau muaj zog siab.
· 35CrMo / 42CrMo: Qhov ntxiv ntawm molybdenum ua rau muaj zog kub thiab tiv taus kev nkag, ua rau cov alloys no zoo tagnrho rau kev sib txuas hauv qhov kub thiab txias, thaj chaw muaj kev ntxhov siab xws li cav thiab turbochargers.
2. Kev Ua Haujlwm Zoo: Cov Txheej Txheem Kho Kub Siab
Cov khoom siv raw zoo tshaj plaws yuav tsum tau ua ke nrog kev kho cua sov kom raug kom qhib lawv lub peev xwm tag nrho. Peb cov bolts raug quenching thiab tempering (quenching + high-temperature tempering) kom ua tiav cov qauv sorbitic. Cov txheej txheem no muab qhov sib npaug zoo tshaj plaws ntawm lub zog siab thiab kev tawv zoo heev, tiv thaiv kev tawg brittle hauv qab kev cuam tshuam.
3. Kev Tiv Thaiv Nto: Cov Tshuaj Tiv Thaiv Xeb Thiab Cov Tshuaj Tiv Thaiv Kev Kub Ntxhov
Yuav kom tiv taus qhov chaw ua haujlwm nyuaj, peb muab ntau yam kev kho saum npoo:
· Ua kom dub/Phosphating: Tsim ib daim zaj duab xis tiv thaiv kom tsis txhob xeb thiab zoo nkauj.
· Kev Kub-dip Galvanizing/Electrogalvanizing: Muab kev tiv thaiv xeb electrochemical zoo tshaj plaws, zoo tagnrho rau cov huab cua noo, los nag, lossis daus.
· Dacromet (Zinc-Chromate Txheej): Muaj kev tiv taus xeb zoo heev, tsis ua rau ib puag ncig puas tsuaj, thiab tshem tawm cov kev pheej hmoo ntawm hydrogen embrittlement - qhov kev xaiv zoo tshaj plaws rau cov tsheb thauj khoom lag luam zoo.
4. Kev Tswj Xyuas Qhov Chaw Nruj: Kev Taug Qab Tag Nrho los ntawm Cov Khoom Siv mus rau Cov Khoom Tiav
Peb tau cov ntaub ntawv los ntawm cov chaw tsim hlau uas muaj npe nrov, nrog txhua pawg nrog daim ntawv pov thawj khoom siv thiab raug tshuaj xyuas tuaj. Los ntawm kev tshuaj xyuas spectroscopic, kev sim hardness, thiab kev kuaj metallographic, peb xyuas kom meej 100% ua raws li cov qauv ntawm cov khoom siv thiab cov qauv. Ua ke nrog cov kab ntau lawm tsis siv neeg thiab kev saib xyuas ntse, peb lav qhov sib xws, ruaj khov, thiab taug qab cov khoom siv rau txhua qhov.ntsia hlau.
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Cov ntaub ntawv txhais lub qab nthab; kev ua tes ua taw teeb tsa hauv pem teb.
Peb ntseeg ruaj khov tias tsuas yog los ntawm kev nkag siab tob thiab kev hwm rau cov ntaub ntawv tshawb fawb peb thiaj li ua tau cov ntsia hlau txhim khu kev qha uas tiv thaiv txhua txoj kev thauj mus los. Peb cog lus tias yuav hloov cov ntaub ntawv zoo tshaj plaws mus ua koj qhov kev ntseeg siab tshaj plaws.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-19-2025