Normalizing yog kev kho cua sov uas txhim kho lub toughness ntawm hlau. Tom qab cua sov cov khoom hlau mus rau 30 ~ 50 degree saum toj no Ac3 kub, lawv tau khaws cia rau lub sijhawm thiab tom qab ntawd tso tawm rau cua txias. Lub ntsiab feature yog tias qhov txias txias yog sai dua annealing tab sis qis dua quenching. Thaum lub sij hawm normalizing, cov khoom siv lead ua ntawm cov hlau tuaj yeem ua kom zoo dua hauv qhov txias me ntsis, uas tuaj yeem tsis tsuas yog tau txais lub zog txaus, tab sis kuj tseem txhim kho toughness (AKV tus nqi), txo cov kev sib tw ntawm cov tswv cuab. Tom qab qee qhov qis-alloy kub-kuav los tiag steel nplooj ntawv, qis-alloy steel forgings thiab castings yog normalized, cov khoom siv txhua yam ntawm cov khoom tuaj yeem txhim kho tau zoo, thiab kev ua haujlwm txiav kuj tseem txhim kho.
Normalizing muaj cov hom phiaj thiab siv hauv qab no:
① Rau hypoeutecoid steel, normalizing yog siv los tshem tawm cov txheej txheem superheated coarse grain thiab Widmandering qauv ntawm casting, forging thiab vuam qhov chaw, thiab cov qauv banded nyob rau hauv cov khoom dov; kho cov nplej; thiab tuaj yeem siv los ua kev kho cua sov ua ntej ua ntej quenching.
② Rau cov hlau hypereutectoid, normalizing tuaj yeem tshem tawm cov cementite reticulated thiab ua kom zoo dua cov pearlite, uas tsis yog tsuas yog txhim kho cov khoom siv dag zog, tab sis kuj pab txhawb cov spheroidizing annealing tom ntej.
③ Rau qis-carbon sib sib zog nqus-kos duab nyias hlau, normalizing tuaj yeem tshem tawm cov cementite dawb ntawm cov ciam teb txhawm rau txhim kho nws cov khoom sib sib zog nqus.
④ Rau cov hlau tsis muaj cov pa roj carbon tsawg thiab cov hlau tsis tshua muaj cov hlau tsis tshua muaj hlau, kev ua haujlwm zoo tuaj yeem siv tau kom tau txais cov qauv zoo dua qub, uas tuaj yeem ua rau cov tawv tawv tuaj yeem ua rau HB140-190, zam qhov tshwm sim ntawm "ua rau riam" thaum txiav, thiab txhim kho machinability. . Rau nruab nrab carbon steel, normalizing yog ntau yig thiab yooj yim thaum ob leeg normalizing thiab annealing muaj.
⑤ Rau qhov nruab nrab nruab nrab cov qauv hlau steel, nyob rau lub sijhawm uas cov khoom siv kho tshuab tsis siab, normalizing tuaj yeem siv es tsis txhob quenching thiab kub tempering, uas tsis yog yooj yim rau kev khiav lag luam, tab sis kuj stabilizes tus qauv thiab loj ntawm cov hlau.
⑥ Kub kub normalizing (150-200 degree saum toj no Ac3) tuaj yeem txo cov kev sib cais ntawm cov castings thiab forgings vim muaj qhov sib txawv ntawm qhov kub thiab txias. Cov nplej ntxhib tom qab qhov kub thiab txias normalizing tuaj yeem ua kom zoo dua los ntawm qhov thib ob normalizing ntawm qhov kub thiab txias.
⑦ Rau qee qhov qis thiab nruab nrab carbon alloy steels siv nyob rau hauv chav turbines thiab boilers, normalizing yog feem ntau siv kom tau bainite qauv, thiab ces tempered ntawm kub, nws muaj zoo creep kuj thaum siv ntawm 400-550 degree .
⑧ Ntxiv rau cov hlau thiab hlau, normalizing kuj yog siv dav hauv kev kho cua sov ntawm cov hlau kom tau pearlite matrix thiab txhim kho lub zog ntawm cov hlau hlau.
Txij li thaum normalizing yog yam ntxwv ntawm huab cua txias, ambient kub, stacking txoj kev, airflow thiab workpiece loj tag nrho cov cuam tshuam lub koom haum thiab kev ua tau zoo tom qab normalizing. Cov qauv normalized kuj tseem siv tau los ua ib txoj kev faib rau cov hlau alloy. Feem ntau, alloy steels tau muab faib ua pearlitic steel, bainitic steel, martensitic steel thiab austenitic steel raws li cov microstructure tau los ntawm huab cua txias tom qab cua sov cov qauv nrog ib txoj kab uas hla ntawm 25 hli mus rau 900 degree.
Raws li cov kws tshaj lij steel khoom tsim khoom, Jiangsu Tshiab Heyi Machinery Co., Ltd muaj ntau tshaj 20 xyoo dhau los, induction hardened pas nrig, micro alloy steel pas nrig, chrome ncej thiab hydraulic hollow pas nrig kuj yog peb cov khoom muag kub, yog tias koj muaj lus nug, thov koj xav tiv tauj peb.
