Kev Taw Qhia Txog Cov Txheej Txheem Kho Kub Rau Cov Chains

Kev Taw Qhia Txog Cov Txheej Txheem Kho Kub Rau Cov Chains
Hauv cov txheej txheem tsim cov saw hlau, cov txheej txheem kho cua sov yog qhov txuas tseem ceeb los txhim kho kev ua haujlwm ntawm cov saw hlau. Los ntawm kev kho cua sov, lub zog, qhov nyuaj, kev tiv thaiv kev hnav thiab lub neej qaug zog ntawm cov saw hlau tuaj yeem txhim kho tau zoo heev kom tau raws li qhov xav tau ntawm ntau yam kev siv. Tsab xov xwm no yuav qhia meej txog cov txheej txheem kho cua sov raucov saw hlau, suav nrog quenching, tempering, carburizing, nitriding, carbonitriding thiab lwm yam txheej txheem

1. Kev piav qhia txog cov txheej txheem kho cua sov
Kev kho cua sov yog ib qho txheej txheem uas hloov cov qauv sab hauv ntawm cov khoom siv hlau los ntawm kev ua kom sov, rwb thaiv tsev thiab txias kom tau txais kev ua tau zoo raws li qhov xav tau. Rau cov saw hlau, kev kho cua sov tuaj yeem ua kom lawv cov khoom siv kho tshuab zoo tshaj plaws thiab ua rau lawv khiav ruaj khov hauv qab cov xwm txheej ua haujlwm nyuaj.

2. Cov txheej txheem quenching
Kev ua kom kub yog ib qho ntawm cov txheej txheem feem ntau hauv kev kho cua sov ntawm cov saw hlau. Lub hom phiaj yog los txhim kho qhov tawv thiab lub zog ntawm cov saw hlau los ntawm kev txias sai. Cov kauj ruam tshwj xeeb ntawm cov txheej txheem quenching yog cov hauv qab no:
1. Kev Ua Kub
Ua kom cov saw hlau kub txog li qhov kub uas tsim nyog, feem ntau yog qhov kub uas cov khoom siv yuav kub thaum quenching. Piv txwv li, rau cov saw hlau carbon, qhov kub uas quenching feem ntau yog li ntawm 850 ℃.
2. Kev rwb thaiv tsev
Tom qab ncav cuag qhov kub quenching, tswj lub sijhawm rwb thaiv tsev kom ua rau qhov kub sab hauv ntawm cov saw hlau sib npaug. Lub sijhawm rwb thaiv tsev feem ntau yog txiav txim siab raws li qhov loj me thiab cov khoom siv ntawm cov saw hlau.
3. Kev tua hluav taws
Cov saw hlau raug muab tso rau hauv cov dej txias, roj lossis dej ntsev sai sai. Kev xaiv cov dej txias nyob ntawm cov khoom siv thiab kev ua tau zoo ntawm cov saw hlau. Piv txwv li, rau cov saw hlau uas muaj cov pa roj carbon ntau, kev siv roj quenching feem ntau yog siv los txo qhov deformation.
4. Kev kub ntxhov
Cov saw hlau uas tau quenched yuav tsim kev ntxhov siab sab hauv ntau dua, yog li ntawd yuav tsum tau kho tempering. Tempering yog kom cua sov cov saw hlau uas tau quenched kom sov rau qhov kub tsim nyog (feem ntau qis dua Ac1), ua kom nws sov rau ib lub sijhawm, thiab tom qab ntawd txias nws. Tempering tuaj yeem txo kev ntxhov siab sab hauv thiab ua kom cov saw hlau tawv dua.

III. Cov txheej txheem tempering
Kev kho kom sov yog ib qho txheej txheem ntxiv tom qab quenching. Nws lub hom phiaj tseem ceeb yog kom tshem tawm kev ntxhov siab sab hauv, kho qhov nyuaj thiab txhim kho kev ua haujlwm. Raws li qhov kub ntawm kev kho kom sov, kev kho kom sov tuaj yeem muab faib ua qhov kub qis (150 ℃ -250 ℃), qhov kub nruab nrab (350 ℃ -500 ℃) thiab qhov kub siab (saum toj no 500 ℃). Piv txwv li, rau cov saw hlau uas xav tau kev tawv siab, kev kho kom sov nruab nrab feem ntau yog siv.

IV. Cov txheej txheem carburizing
Carburizing yog ib qho txheej txheem tawv tawv, uas feem ntau yog siv los txhim kho qhov tawv thiab hnav tsis kam ntawm qhov saw hlau nto. Cov txheej txheem carburizing suav nrog cov kauj ruam hauv qab no:

1. Kev Ua Kub
Ua kom sov cov saw hlau mus rau qhov kub ntawm carburizing, feem ntau yog 900 ℃ -950 ℃.

2. Kev siv carburizing
Muab cov saw hlau tso rau hauv ib qho chaw carburizing, xws li sodium cyanide kua lossis cua carburizing, kom cov pa roj carbon diffuse mus rau saum npoo thiab sab hauv ntawm cov saw hlau.

3. Kev tua hluav taws
Cov saw hlau carburized yuav tsum tau quenched kom khov cov txheej carburized thiab ua kom qhov nyuaj dua.

4. Kev kub ntxhov
Cov saw hlau uas tau quenched yog tempered kom tshem tawm kev ntxhov siab sab hauv thiab kho qhov nyuaj.

5. Cov txheej txheem nitriding
Nitriding yog ib qho txheej txheem tawv tawv uas ua rau kom cov saw hlau tawv thiab hnav tsis kam los ntawm kev tsim ib txheej nitride rau ntawm qhov chaw ntawm cov saw hlau. Cov txheej txheem nitriding feem ntau yog ua tiav ntawm qhov kub ntawm 500 ℃ -600 ℃, thiab lub sijhawm nitriding yog txiav txim siab raws li qhov loj me thiab kev ua tau zoo ntawm cov saw hlau.

6. Cov txheej txheem carbonitriding
Carbonitriding yog ib qho txheej txheem uas muab cov txiaj ntsig ntawm carburizing thiab nitriding ua ke, thiab feem ntau yog siv los txhim kho qhov nyuaj thiab hnav tsis kam ntawm qhov saw hlau nto. Cov txheej txheem carbonitriding suav nrog cua sov, nitriding, quenching thiab tempering.

7. Cov txheej txheem quenching nto
Kev quenching ntawm qhov chaw feem ntau yog siv los txhim kho qhov tawv thiab kev tiv thaiv kev hnav ntawm qhov chaw ntawm cov saw hlau thaum tswj hwm qhov tawv sab hauv. Kev quenching ntawm qhov chaw tuaj yeem muab faib ua induction cua sov ntawm qhov chaw quenching, nplaim taws cua sov ntawm qhov chaw quenching thiab hluav taws xob sib cuag cua sov ntawm qhov chaw quenching raws li ntau txoj kev cua sov.
1. Kev kub hnyiab ntawm qhov chaw kub hnyiab
Kev siv lub tshuab hluav taws xob induction los ua kom cov saw hlau kub sai sai thiab tom qab ntawd txias sai sai. Txoj kev no muaj qhov zoo ntawm kev ua kom sov sai thiab tswj tau qhov tob ntawm cov txheej quenching.
2. Hluav Taws Kub Kub Nto Quenching
Kev tua hluav taws kub ntawm qhov chaw yog siv nplaim taws los ua kom qhov chaw ntawm cov saw hlau kub thiab tom qab ntawd tua nws. Txoj kev no haum rau cov saw hlau loj lossis kev tua hluav taws hauv zos.

VIII. Kev Kho Mob Thaum Laus
Kev kho kom laus yog ib qho txheej txheem uas txhim kho cov yam ntxwv ntawm cov khoom siv hlau los ntawm kev siv ntuj lossis dag. Kev kho kom laus ntuj yog muab cov khoom ua haujlwm tso rau hauv chav sov ntev, thaum kev kho kom laus dag yog ua tiav los ntawm kev ua kom sov rau qhov kub siab dua thiab ua kom nws sov rau lub sijhawm luv luv.

IX. Kev xaiv cov txheej txheem kho cua sov
Kev xaiv cov txheej txheem kho cua sov uas tsim nyog yuav tsum tau xav txog cov khoom siv, kev siv ib puag ncig thiab kev ua haujlwm ntawm cov saw hlau. Piv txwv li, rau cov saw hlau uas muaj kev thauj khoom ntau thiab cov uas tiv taus kev hnav ntau, cov txheej txheem quenching thiab tempering yog cov kev xaiv uas siv ntau; thaum rau cov saw hlau uas xav tau qhov nyuaj ntawm qhov chaw, cov txheej txheem carburizing lossis carbonitriding yog qhov tsim nyog dua.
X. Kev tswj cov txheej txheem kho cua sov
Kev tswj xyuas qhov zoo ntawm cov txheej txheem kho cua sov yog qhov tseem ceeb heev. Thaum ua haujlwm tiag tiag, cov yam ntxwv xws li qhov kub thiab txias, lub sijhawm tuav thiab qhov nrawm txias yuav tsum tau tswj hwm kom ntseeg tau tias qhov kev kho cua sov ruaj khov thiab ntseeg tau.

Xaus lus
Los ntawm cov txheej txheem kho cua sov saum toj no, kev ua tau zoo ntawm cov saw hlau tuaj yeem txhim kho tau zoo heev kom tau raws li qhov xav tau ntawm ntau yam kev siv. Thaum xaiv cov saw hlau, cov neeg yuav khoom lag luam wholesale thoob ntiaj teb yuav tsum nkag siab txog cov txheej txheem kho cua sov ntawm cov saw hlau raws li cov xwm txheej thov tshwj xeeb thiab cov kev cai ua tau zoo kom ntseeg tau tias cov khoom yuav tuaj yeem ua tau raws li lawv cov kev xav tau siv.