Kev kho cua sov ntawm cov saw hlau: thev naus laus zis, txheej txheem thiab daim ntawv thov
Kev Taw Qhia
Raws li ib qho tseem ceeb uas siv dav hauv kev sib kis tshuab, kev ua tau zoo ntawm cov saw hlau cuam tshuam ncaj qha rau kev ua haujlwm zoo thiab kev ntseeg siab ntawm cov khoom siv tshuab. Kev kho cua sov yog ib qho tseem ceeb hauv cov txheej txheem tsim khoom ntawm cov saw hlau. Los ntawm kev tswj hwm cov txheej txheem cua sov thiab txias kom raug, 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. Tsab xov xwm no yuav tshawb nrhiav cov txheej txheem kho cua sov ntawm cov saw hlau kom tob, suav nrog cov txheej txheem kho cua sov, kev ua kom zoo dua ntawm cov txheej txheem, kev xaiv cov khoom siv thiab kev tswj xyuas zoo, lub hom phiaj yog muab cov neeg yuav khoom lag luam wholesale thoob ntiaj teb nrog cov ntaub ntawv qhia txog kev siv tshuab kom pab lawv nkag siab zoo dua txog cov txheej txheem kho cua sov ntawm cov saw hlau thiab txiav txim siab yuav khoom kom paub ntau ntxiv.
Cov txheej txheem kho cua sov ntawm cov saw hlau
Muaj ntau txoj kev kho cua sov rau cov saw hlau, txhua tus muaj nws tus yam ntxwv tshwj xeeb thiab cov xwm txheej siv tau. Cov hauv qab no yog ntau txoj kev kho cua sov uas siv ntau:
Cov txheej txheem quenching
Kev ua kom tsis muaj zog yog ib qho txheej txheem uas siv ntau los txhim kho qhov tawv thiab lub zog ntawm cov saw hlau. Cov kauj ruam tshwj xeeb yog raws li nram no:
Kev Ua Kub: Ua kom cov saw hlau kub mus rau qhov kub thiab txias, feem ntau ntawm 800-850 ℃.
Kev rwb thaiv tsev: Tom qab ncav cuag qhov kub thiab txias, khaws cia rau ib lub sijhawm kom ua rau qhov kub thiab txias sab hauv ntawm cov saw hlau sib xws.
Kev Tua Hluav Taws: Cov saw hlau raug muab tso rau hauv cov khoom siv tua hluav taws sai sai, xws li dej txias, roj lossis dej ntsev. Thaum lub sijhawm txias sai, cov ntaub so tawv yuav tsim rau ntawm qhov chaw thiab sab hauv ntawm cov saw hlau.
Kev Kho Kom Kub: Yuav kom txo tau qhov kev ntxhov siab sab hauv uas tsim thaum lub sijhawm quenching thiab ua kom cov saw hlau tawv dua, kev kho kom kub feem ntau yog ua tiav.
Cov txheej txheem ua kom tawv
Cov txheej txheem ua kom tawv dua ua rau qhov tawv thiab tiv taus kev hnav los ntawm kev txhim kho cov qauv sab hauv ntawm cov saw hlau. Cov kauj ruam tshwj xeeb yog raws li nram no:
Kev Ua Kub: Ua kom cov saw hlau kub mus txog qhov kub uas tawv kom yaj thiab nthuav cov pa roj carbon, nitrogen thiab lwm yam khoom hauv cov saw hlau.
Kev rwb thaiv tsev: Tom qab ncav cuag qhov kub thiab txias, khaws lub sijhawm rwb thaiv tsev kom cov ntsiab lus sib kis tau zoo thiab tsim cov tshuaj khov kho.
Txias: Txias cov saw hlau sai sai, cov kua khov kho yuav tsim cov qauv zoo, txhim kho qhov nyuaj thiab hnav tsis kam.
Cov txheej txheem carbonitriding
Carbonitriding yog ib qho txheej txheem los txhim kho qhov tawv ntawm qhov chaw thiab kev hnav tsis kam ntawm cov saw hlau, feem ntau yog siv rau cov khoom siv tshwj xeeb xws li cov saw hlau tsis xeb. Cov kauj ruam tshwj xeeb yog raws li nram no:
Kev Ua Kub: Ua kom cov saw hlau thiab cov pa roj carbon thiab nitrogen sov mus txog qhov kub uas sib xyaw ua ke thiab khaws cia rau ib lub sijhawm. Cov pa roj carbon thiab nitrogen ntawm qhov chaw ntawm cov saw hlau yuav kis mus rau sab hauv los ua ib txheej sib xyaw ua ke.
Kev Tua Hluav Taws Xob: Cov saw hlau tom qab txheej carburizing tau tsim yog sai sai raus rau hauv qhov nruab nrab quenching thiab txias sai sai kom khov cov txheej carburizing thiab ua kom qhov nyuaj dua.
Kev Kho Kom Kub: Yuav kom txo tau qhov kev ntxhov siab sab hauv uas tsim thaum lub sijhawm quenching thiab ua kom cov saw hlau tawv dua, kev kho kom kub feem ntau yog ua tiav.
Cov txheej txheem ua kua carburizing
Kev siv cov kua carburizing yog ib qho txheej txheem los txhim kho qhov tawv ntawm qhov chaw thiab kev hnav tsis kam ntawm cov saw hlau, uas feem ntau haum rau cov saw hlau carbon. Cov kauj ruam tshwj xeeb yog raws li nram no:
Kev Ua Kub: Ua kom cov saw hlau kub mus rau qhov kub ntawm cov kua carburizing, thiab txiav txim siab qhov kub tshwj xeeb raws li cov khoom siv thiab cov kev xav tau ntawm cov saw hlau.
Carburizing: Muab cov saw hlau tso rau hauv cov khoom siv carburizing, xws li cov kua sodium cyanide, thiab carburize rau ib lub sijhawm.
Kev Tua Hluav Taws Xob: Cov saw hlau carburized tau muab tso rau hauv qhov nruab nrab quenching sai sai thiab txias sai kom khov cov txheej carburized thiab ua kom qhov nyuaj dua.
Kev Kho Kom Kub: Yuav kom txo tau qhov kev ntxhov siab sab hauv uas tsim thaum lub sijhawm quenching thiab ua kom cov saw hlau tawv dua, kev kho kom kub feem ntau yog ua tiav.
Kev kho kom zoo dua ntawm cov txheej txheem kho cua sov
Qhov kev ua kom zoo dua ntawm cov txheej txheem kho cua sov yog qhov tseem ceeb heev kom ntseeg tau tias cov saw hlau ua haujlwm tau zoo. Cov hauv qab no yog qee qhov tseem ceeb thiab lawv cov txheej txheem ua kom zoo dua:
Kub thiab lub sijhawm quenching
Qhov kub ntawm kev quenching feem ntau yog tswj ntawm 800-850 ℃, thiab qhov kub tshwj xeeb yuav tsum tau kho raws li cov khoom siv saw thiab cov txheej txheem xav tau. Lub sijhawm tuav feem ntau yog 30-60 feeb kom ntseeg tau tias qhov kub sib npaug hauv cov saw.
Kev xaiv nruab nrab ntawm kev ua kom sov
Qhov kev xaiv ntawm cov khoom siv quenching nyob ntawm cov khoom siv thiab kev ua tau zoo ntawm cov saw hlau. Dej txias muaj qhov ceev txias sai thiab haum rau cov saw hlau uas xav tau qhov nyuaj siab; roj muaj qhov ceev txias qeeb thiab haum rau cov saw hlau uas xav tau qhov tawv.
Tempering kub thiab lub sijhawm
Qhov kub thiab txias feem ntau yog nruab nrab ntawm 200-300 ℃, thiab lub sijhawm tuav feem ntau yog 1-2 teev. Kev xaiv qhov kub thiab txias thiab lub sijhawm yuav tsum tau kho raws li qhov yuav tsum tau siv zaum kawg ntawm cov saw hlau kom ua tiav qhov sib npaug zoo tshaj plaws ntawm kev tawv thiab kev nyuaj.
Kev xaiv cov khoom siv kho cua sov
Kev xaiv cov khoom siv kho cua sov kom raug yog qhov tseem ceeb rau kev txhim kho kev ua haujlwm zoo thiab cov khoom zoo. Cov khoom siv kho cua sov feem ntau suav nrog:
Cov khoom siv tua hluav taws
Lub cub tawg ci ntsa iab: tsim nyog rau cov saw hlau uas muaj qhov xav tau zoo ntawm qhov chaw.
Converter: tsim nyog rau kev tsim khoom loj, tuaj yeem ua kom muaj kev sib xws ntawm cov txheej txheem quenching.
Cov khoom siv carburizing
Lub cub tawg siv mesh: tsim nyog rau kev tsim khoom tas mus li, tuaj yeem tswj tau lub sijhawm carburizing thiab kub kom raug.
Cov khoom siv tempering
Lub cub tawg kho cua sov ntau lub hom phiaj: tuaj yeem ua tiav kev kho quenching thiab tempering tib lub sijhawm los txhim kho kev ua haujlwm ntau lawm.
Kev tswj xyuas thiab kev sim zoo
Cov saw hlau tom qab kho cua sov xav tau kev tswj hwm zoo thiab kev sim kom ntseeg tau tias nws qhov kev ua tau zoo ua tau raws li qhov yuav tsum tau tsim. Cov txheej txheem sim feem ntau suav nrog:
Kev kuaj qhov nyuaj
Kev kuaj qhov nyuaj yog ib txoj hauv kev tseem ceeb los ntsuas qhov cuam tshuam ntawm kev kho cua sov ntawm cov saw hlau. Rockwell hardness tester lossis Vickers hardness tester feem ntau yog siv los ntsuas qhov nyuaj ntawm qhov chaw thiab qhov nyuaj ntawm lub hauv paus ntawm cov saw hlau.
Lub sijhawm tshaj tawm: Plaub Hlis-11-2025