Views: 0 Sau: Kevin luam tawm lub sijhawm: 2024-11-07 keeb kwm: Lub chaw
Feem ntau siv anealing cov txheej txheem muaj cov pawg hauv qab no:
1. Ua tiav annealing. Nws yog siv los ua kom ua kom zoo dua cov txheej txheem superheath nrog cov khoom tsis zoo tom qab forging thiab vuam ntawm hlau hlau. Lub workpiece yog rhuab rau qhov kub ntawm 30 ~ 50 ℃℃℃ UAS hloov mus rau ib lub sijhawm, thiab tom qab ntawd lub qhov cub txias, thiab tom qab ntawd cov txheej txheem txias, uas tuaj yeem ua rau cov qauv ntawm cov hlau thinner.
2. Spheriding annealing. Siv los txo cov siab tawv ntawm cov cuab yeej steel thiab cov kabmob hlau tom qab forging. Lub workpiece yog rhuab mus rau 20 ~ 40 ℃ saum huab cua kub ntawm uas cov hlau pib ua Austenite, thiab maj mam txias tom qab tiv thaiv cua sov. Thaum lub sij hawm cov txheej txheem txias, lub laminate cemementite nyob rau hauv lub hlaws ua noj ua ke, yog li txo lub hardness.
3, xws li Nirvana annealing. Nws yog siv los txo cov siab tawv ntawm qee cov qauv txheej txheem cov hlau uas muaj npib tsib xee thiab chromium cov ntsiab lus rau kev txiav. Feem ntau, cov Austenite yog txias rau kev hloov kho sai dua rau qhov ntsuas kub tsis ruaj khov, thiab cov Austenite tau hloov pauv mus rau qhov kawg lossis xaiv tau, thiab lub hardness tuaj yeem txo.
4. Recrystallization analing. Nws yog siv los tshem tawm qhov tsis zoo ntawm hlau hlau thiab cov hlau xaim thiab cov ntawv txias ntawm cov khaub thuas txias thiab dov thiab txo cov khoom siv tawv). Lub cua sov feem ntau yog feem ntau 50 txog 150 ° C hauv qab kub ntawm cov hlau pib ua txoj kev no tuaj yeem tshem tawm kom ua tau cov hlau.
5, graphitization annealing. Nws yog siv los hloov cov hlau pov tseg uas muaj ntau yam xis nyob rau hauv cov khoom siv zoo maim tawg cam. Cov txheej txheem kev ua haujlwm yog kom sov lub casting mus txog li 950 ° C, thiab kom txias txias tom qab tuav nws rau lub sijhawm ua kom lub ntsej muag ua kom cov flocculent graphite.
6, diffusion annaling. Nws yog siv rau homogenize cov tshuaj lom neeg tshuaj lom neeg ntawm alloy caso casts casts thiab txhim kho lawv cov kev ua tau zoo. Cov txheej txheem yog kom sov lub Casting rau qhov siab tshaj plaws kub tsis tau melting, thiab tuav nws ntev, thiab qeeb qeeb tom qab sib txawv ntawm cov alloy feem ntau yuav muab faib rau tusyees.
7, kev nyuaj siab pab txhawb kev pab cuam. Siv los daws cov kev ntxhov siab sab hauv ntawm cov hlau casings thiab cov chaw welded. Rau cov khoom lag luam steel tom qab cua sov pib ua Austenite pib los ua qhov kub nyob hauv qab 100 ~ 200 tom qab txhaj tshuaj tiv thaiv cua, koj tuaj yeem tshem tawm sab hauv kev ntxhov siab.
Cov cuab yeej siv hluav taws xob ci ntsa iab ci tsim los ntawm HNGAO thev naus laus zis induction cua sov fais fab khoom thiab adly DSP + IGB tus qauv nrog ntau cov nyhuv zoo.
DSP Digital Tswj Xyuas Kev Tiv Thaiv, nrog kev tiv thaiv tus kheej kom zoo meej thiab kev ntsuas tus kheej, cov khoom siv hluav taws xob me dua, thiab muaj zog txuag cov yam ntxwv.
Ua ntej tsim khoom, cov roj inert tau sau rau hauv cov cuab yeej, huab cua hauv cov khoom siv tau raug tshem tawm kom tsis txhob muaj kuab paug. Tom qab cov yeeb nkab yog welded thiab polished, nws nkag mus rau hauv online annealing khoom, thiab daim npav sealing kaw. Thaum cov cua sov rauv yog siv, cov khoom siv hluav taws xob pib ua haujlwm, thiab cov yeeb nkab yog rhaub kom txog thaum nws ruaj khov nyob rau 1050 ℃, thiab anealing yog nqa tawm. Ntu cua txias tsuas yog siv cov khoom siv graphite kom ntseeg tau tias cov yeeb nkab nrawm nrawm, thiab siv cov yeeb nkab high-brared rau kev tiv thaiv kev tiv thaiv, thiab tag nrho cov txheej txheem anealing ua tiav.