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Hnav tsis kam ntawm carburizing thiab induction hardening cov qauv

Hnav tsis kam ntawm carburizing thiab induction hardening cov qauv

Hlau qib Cov txheej txheem kev kho cua sov hardness

HV

Hnav/mg
qauv Cov kabmob tooj liab
18Cr2Ni4WA Carburizing 1.5mm, 780%: quenching, kub ntawm 170 ℃ 675 0.5 4.5
40CrNiMoA 860T quenching, 550V tempering, induction quenching 1 hli tob,

Tempering ntawm 18O ℃

748 4.5 4.0
10 Carburizing 1.5mm, quenching ntawm 780 ℃, kub ntawm 170 ℃ 782 1.0 3.0
45 860Y quenching, 550 ℃ kub

Induction hardened 1mm tob, tempered ntawm 180 ℃

748 7.0 3. 8

Qhov siab hnav tsis kam ntawm cov hlau carburized yog vim muaj cov ntsiab lus carbon ntawm txheej txheej. Thaum cov pa roj carbon w (C) tsawg dua 0.43%, ib feem carburized muaj qhov zoo ntawm hnav tsis kam, thiab thaum w (C) Thaum nws siab dua 0.45%, hnav tsis kam ntawm qhov induction hardened qhov chaw tau zoo dua. Qhov no yog qhov xaus uas TH HACAHOBA tau kos raws qhov kev xeem hauv thaj tsam ntawm tus pin taug qab. Yog li ntawd, lub tsheb laij teb taug qab tus pin tau hloov pauv los ntawm cov txheej txheem induction hardening tshiab ntawm 50 hlau. . Kev sib piv ntawm kev hnav tsis kam ntawm w (C) hlau sib txawv tom qab induction quenching qhia txog kev cuam tshuam ntawm cov hlau sib xyaw. Cov ntaub ntawv hauv lub rooj pov thawj tias T7 hlau muaj qhov tsawg tshaj plaws ntawm kev hnav, thiab nws cov ntsiab lus carbon thiab tawv tawv kuj yog qhov siab tshaj; 45 steel thiab 50Mn muaj qhov ua haujlwm zoo sib xws; 45Cr hlau muaj qhov ua haujlwm tiv taus ntawm T7 hlau thiab 50Mn hlau, qhia tias cov hlau nyob hauv Ntim Ming tuaj yeem txhim kho kev txhim kho puas.