Kev xaiv cov khoom siv quenching rau 45 # steel roller saw: kev ua tau zoo, daim ntawv thov thiab kev sib piv
Hauv kev tsim khoom siv tshuab, cov saw hlau yog ib qho tseem ceeb ntawm kev sib kis, thiab nws cov kev ua tau zoo cuam tshuam ncaj qha rau kev ua haujlwm zoo thiab kev ntseeg siab ntawm cov khoom siv tshuab. 45 # hlau hlau saw hlau siv dav vim nws tus nqi qis thiab cov khoom siv kho tshuab nruab nrab, thiab cov txheej txheem quenching yog qhov tseem ceeb rau kev txhim kho nws qhov nyuaj, lub zog thiab kev hnav tsis kam. Kev xaiv ntawm cov khoom siv quenching txiav txim siab qhov zoo ntawm cov nyhuv quenching. Tsab xov xwm no yuav tshawb nrhiav tob txog cov khoom siv quenching uas haum rau 45 # hlau hlau saw hlau los pab cov neeg yuav khoom lag luam wholesale thoob ntiaj teb thiab cov chaw tsim khoom txhim kho cov khoom ua tau zoo thiab ua kom muaj txiaj ntsig zoo tshaj plaws.
1. Cov yam ntxwv thiab cov kev cai quenching ntawm 45 # steel roller saw
45 # hlau yog cov hlau carbon nruab nrab nrog cov khoom siv kho tshuab zoo, xws li lub zog siab, tawv thiab tawv, nrog rau cov thev naus laus zis ua tiav zoo, uas ua rau nws yog cov khoom siv zoo tagnrho rau kev tsim cov saw hlau. Txawm li cas los xij, nws qhov kev tawv tawv yog qhov tsawg, tshwj xeeb tshaj yog nyob rau hauv cov khoom loj dua, thiab nws nyuaj rau tau txais cov qauv martensitic sib xws thaum lub sijhawm quenching. Yog li ntawd, txhawm rau kom ua tau raws li qhov xav tau ntawm cov saw hlau hauv cov nqe lus ntawm lub zog siab, kev tiv thaiv hnav thiab lub neej qaug zog, nws yog qhov tsim nyog los xaiv cov khoom siv quenching tsim nyog kom ua tiav qhov txias sai thiab sib xws thiab txhim kho qhov tob ntawm cov txheej tawv thiab kev ua tau zoo ntawm cov khoom.
2. Cov khoom siv tua hluav taws xob thiab lawv cov yam ntxwv
(Kuv) Dej
Dej yog qhov nruab nrab quenching feem ntau thiab pheej yig tshaj plaws nrog tus nqi txias siab, tshwj xeeb tshaj yog nyob rau hauv thaj chaw kub siab. Qhov no ua rau nws muab kev txias sai rau 45 # steel roller chains, uas pab tsim cov qauv martensitic, yog li txhim kho qhov nyuaj thiab lub zog. Piv txwv li, tom qab qhov kawg forging, lub iav me me modulus ua los ntawm 45 # hlau yog clamped sai sai thiab xa mus rau lub dab dej rau quenching siv lub tshuab quenching. Qhov nyuaj ntawm lub iav tuaj yeem ncav cuag siab dua HRC45, thiab tsis muaj qhov tawg quenching, thiab kev ua tau zoo dua li cov txheej txheem ib txwm muaj. Txawm li cas los xij, qhov txias ntawm dej hauv thaj chaw kub qis yog ceev dhau, uas yuav ua rau muaj kev ntxhov siab thermal loj thiab kev ntxhov siab ntawm cov qauv ntawm qhov chaw ua haujlwm, ua rau muaj kev pheej hmoo ntawm kev tawg, tshwj xeeb tshaj yog rau cov khoom siv roller chains nrog cov duab nyuaj lossis qhov loj me.
(II) Roj
Qhov txias ntawm cov roj qeeb dua li dej, thiab qhov ceev yog sib xws dua thoob plaws hauv cov txheej txheem txias. Qhov no ua rau cov roj ua cov khoom siv quenching me dua, uas tuaj yeem txo qhov kev hloov pauv thiab tawg ntawm quenching. Cov roj av yog ib qho ntawm cov roj quenching uas siv ntau, thiab nws lub peev xwm txias tuaj yeem hloov kho los ntawm kev kho qhov kub ntawm cov roj, cov khoom ntxiv, thiab lwm yam. Rau qee qhov 45 # steel roller saw hlau uas muaj qhov xav tau siab thiab cov duab nyuaj, xws li cov phaj saw hlau, kev quenching roj tuaj yeem tau txais kev ruaj khov zoo dua thiab cov khoom siv kho tshuab. Txawm li cas los xij, qhov txias ntawm cov roj qeeb qeeb, uas yuav ua rau qee qhov me me lossis nyias-phab ntsa tsis zoo, thiab tsis tuaj yeem ua tau raws li qhov xav tau ntawm qhov nyuaj siab thiab lub zog siab.
(III) Cov kua dej ntsev
Qhov txias ntawm cov kua dej ntsev yog nruab nrab ntawm dej thiab roj, thiab cov yam ntxwv txias tuaj yeem hloov pauv los ntawm kev kho qhov concentration ntawm ntsev thiab qhov kub ntawm dej. Feem ntau, lub peev xwm txias ntawm cov kua dej ntsev nce ntxiv nrog rau qhov nce ntawm cov concentration ntawm ntsev, tab sis qhov concentration siab dhau yuav ua rau cov tshuaj xeb ntau dua thiab ua rau cov khoom siv thiab cov khoom siv puas tsuaj. Piv txwv li, 10% cov kua dej ntsev yog cov khoom siv quenching feem ntau siv. Nws qhov txias ceev dua li dej ntshiab thiab nws qhov sib xws zoo dua. Nws tuaj yeem txo qhov teeb meem tawg thaum lub sijhawm quenching dej ntshiab rau qee qhov. Tib lub sijhawm, nws muaj kev ua haujlwm txias dua li roj thiab tsim nyog rau qee qhov nruab nrab thiab yooj yim-puab 45 # hlau roller saw hlau.
(IV) Cov kua dej calcium chloride
Ua ib qho tshuaj tua kab mob zoo, cov tshuaj calcium chloride aqueous ua tau zoo hauv kev tua kab mob ntawm 45 # steel roller saw hlau. Nws cov yam ntxwv txias tshwj xeeb tuaj yeem ua rau txias sai hauv theem kub siab, thiab qhov ceev txias qeeb qeeb hauv theem kub qis, yog li ua kom txo tau qhov kev ntxhov siab tua kab mob thiab txo qhov deformation thiab tawg ntawm cov khoom ua haujlwm. Cov kev tshawb fawb tau qhia tias thaum tua kab mob 45 # steel rollers nrog 20 ℃ saturated calcium chloride aqueous solution, qhov nyuaj ntawm cov rollers tuaj yeem ncav cuag 56 ~ 60HRC, thiab qhov deformation sab hauv yog me me heev, lub peev xwm hardening muaj zog, thiab kev ua tau zoo thiab lub neej ua haujlwm ntawm cov rollers tuaj yeem txhim kho ntau heev.
3. Cov nyhuv ntawm cov xov xwm quenching sib txawv rau kev ua tau zoo ntawm 45 # steel roller saw hlau
(I) Kev tawv thiab lub zog
Vim nws cov yam ntxwv txias sai, kev quenching dej feem ntau ua rau 45 # steel roller saw hlau tau txais qhov nyuaj thiab lub zog siab dua. Txawm li cas los xij, yog tias qhov txias ceev dhau, nws yuav ua rau muaj kev ntxhov siab ntau dua hauv cov khoom ua haujlwm, cuam tshuam rau qhov ruaj khov thiab lub zog ntawm cov khoom ua haujlwm. Txawm hais tias qhov nyuaj thiab lub zog ntawm cov roj quenching qis dua li cov dej quenching, nws tuaj yeem ua kom ntseeg tau tias cov khoom ua haujlwm muaj qhov tawv zoo dua thiab tsis hloov pauv. Cov kua ntsev thiab cov kua calcium chloride aqueous tuaj yeem ua tiav qhov sib npaug zoo dua ntawm qhov nyuaj, lub zog thiab lub zog raws li cov txheej txheem tshwj xeeb. Piv txwv li, nyob rau hauv tib qho xwm txheej, qhov nyuaj ntawm qhov chaw ntawm 45 # steel pin tom qab quenching nrog cov kua calcium chloride aqueous saturated yog qhov zoo dua piv rau tus pin tom qab quenching nrog 20 # cav roj, thiab lub zog tensile kuj tau zoo dua.
(II) Hnav tsis kam
Cov khoom siv quenching kuj muaj feem cuam tshuam tseem ceeb rau kev hnav tsis kam ntawm cov saw hlau. Kev tawv siab thiab cov qauv sib xws yog cov yam tseem ceeb los txhim kho kev hnav tsis kam. Kev siv cov khoom siv uas txias sib xws thiab muaj zog zoo, xws li calcium chloride aqueous solution, tuaj yeem ua rau 45 # steel roller saw hlau tau txais kev tawv siab dua thiab kev teeb tsa zoo, yog li ua rau nws tsis kam hnav tsis kam. Hauv kev siv tiag tiag, lub neej ua haujlwm ntawm cov saw hlau kho nrog cov khoom siv quenching tsim nyog tuaj yeem ntev dua nyob rau hauv tib qho xwm txheej ua haujlwm.
(III) Lub neej qaug zog
Lub neej qaug zog tseem ceeb heev rau cov saw hlau. Qhov kev faib tawm ntawm kev ntxhov siab seem thiab cov qauv kev teeb tsa uas tsim thaum lub sijhawm quenching muaj feem cuam tshuam loj rau lub neej qaug zog. Kev quenching dej yuav ua rau muaj kev ntxhov siab seem ntau heev rau ntawm qhov chaw ntawm cov khoom ua haujlwm, txo lub neej qaug zog. Kev quenching roj thiab kev quenching brine tuaj yeem tsim kev faib tawm ntawm kev ntxhov siab seem tsim nyog dua, uas pab txhim kho lub neej qaug zog. Tsis tas li ntawd, tom qab quenching nrog calcium chloride aqueous kua, vim tias nws tuaj yeem txo qhov kev ntxhov siab quenching, cov khoom ua haujlwm tuaj yeem tau txais kev teeb tsa thiab kev faib tawm ntawm kev ntxhov siab seem ntau dua, uas kuj muaj txiaj ntsig zoo rau kev txhim kho lub neej qaug zog ntawm cov saw hlau.
4. Tej yam yuav tsum xav txog thaum xaiv cov khoom siv tua hluav taws
(I) Qhov loj thiab cov duab ntawm cov khoom ua haujlwm
Rau cov khoom me me lossis cov duab yooj yim 45 # hlau roller saw hlau, xws li cov menyuam me me, kev quenching dej tuaj yeem txias sai thiab tau txais cov txiaj ntsig zoo vim lawv qhov chaw loj rau qhov ntim piv. Rau cov khoom loj lossis cov duab nyuaj, xws li cov phaj saw hlau loj, kev quenching roj lossis brine quenching yog qhov tsim nyog dua los txo qhov deformation thiab tawg. Vim tias qhov txias ntawm cov xov xwm no yog sib xws, nws tuaj yeem zam cov teeb meem kev ntxhov siab los ntawm qhov txias ntau dhau.
(II) Cov khoom siv sib xyaw thiab lub xeev ntawm lub koom haum
Cov tshuaj lom neeg sib xyaw thiab lub xeev qub ntawm 45 # hlau muaj qhov cuam tshuam loj rau nws cov khoom quenching. Piv txwv li, yog tias cov ntsiab lus carbon thiab cov ntsiab lus alloying ntawm cov khoom hloov pauv, nws yuav cuam tshuam rau nws qhov txias txias thiab hardenability. Rau 45 # hlau nrog me ntsis tsis zoo hardenability, ib qho quenching nruab nrab nrog qhov txias txias sai dua, xws li calcium chloride aqueous kua, tuaj yeem xaiv tau kom ntseeg tau tias muaj qhov tob txaus hardened txheej. Tib lub sijhawm, lub xeev qub ntawm cov khoom, xws li seb puas muaj cov qauv banded, Widmanstatten qauv, thiab lwm yam, kuj tseem yuav cuam tshuam rau qhov quenching nyhuv thiab yuav tsum tau kho raws li qhov xwm txheej tshwj xeeb.
(III) Cov khoom tsim tawm thiab tus nqi
Hauv kev tsim khoom loj, tus nqi yog qhov tseem ceeb uas yuav tsum xav txog. Dej ua ib qho khoom siv tua hluav taws xob pheej yig thiab yooj yim nrhiav tau. Nws yog ib qho kev xaiv pheej yig rau cov khoom siv me me uas tsim tawm ntau heev. Txawm li cas los xij, rau kev tsim cov khoom siv siab thiab nyuaj, txawm hais tias tus nqi ntawm kev tua roj lossis kev tua dej ntsev yog qhov siab, nws cov nqi tag nrho yuav zoo dua rau lub sijhawm ntev vim tias nws tuaj yeem txo qhov seem thiab txhim kho cov khoom zoo. Tsis tas li ntawd, tus nqi txij nkawm thiab lub neej ua haujlwm ntawm cov khoom siv tua hluav taws xob kuj yuav tsum tau xav txog tag nrho.
5. Siv thiab txij nkawm ntawm cov khoom siv quenching
(Kuv) Cov Lus Ceeb Toom rau Kev Siv
Thaum siv dej ua ib qho khoom siv tua hluav taws, xyuam xim rau tej yam xws li qhov kub ntawm dej, qhov huv thiab qhov tawv. Qhov kub ntawm dej siab dhau yuav ua rau qhov txias tsawg dua thiab cuam tshuam rau qhov ua kom kub hnyiab; qhov tsis huv thiab qhov tawv dhau hauv dej yuav ua rau muaj teeb meem xws li qhov zoo ntawm qhov chaw ua haujlwm thiab qhov loj ntawm cov khoom siv. Rau kev tua roj, qhov kub ntawm roj, qhov zoo ntawm roj thiab cov xwm txheej sib xyaw yuav tsum tau tswj hwm nruj me ntsis. Qhov kub ntawm roj ntau dhau yuav ua rau qhov txias qeeb thiab ua rau hluav taws kub; thiab qhov puas tsuaj ntawm roj yuav cuam tshuam rau qhov ua tau zoo ntawm kev tua hluav taws, thiab nws yuav tsum tau hloov thiab lim tsis tu ncua. Kev siv cov kua brine thiab cov kua calcium chloride yuav tsum tau xyuam xim rau qhov concentration, qhov kub thiab kev tiv thaiv xeb ntawm cov kua kom ntseeg tau tias nws qhov kev ua haujlwm txias ruaj khov thiab kev ua haujlwm zoo ntawm cov khoom siv.
(II) Cov ntsiab lus txij nkawm
Kev kuaj xyuas tsis tu ncua ntawm ntau yam kev ntsuas ntawm cov khoom siv quenching, xws li dej hardness, roj viscosity thiab flash point, thiab qhov concentration ntawm brine solution thiab calcium chloride solution, yog qhov tseem ceeb rau kev ua kom zoo ntawm quenching. Tib lub sijhawm, lub tank quenching yuav tsum tau khaws cia kom huv thiab cov av thiab cov khoom tsis huv yuav tsum tau ntxuav raws sijhawm. Rau cov roj quenching, yuav tsum tau ua cov kev ntsuas tiv thaiv hluav taws thiab cov khoom siv tua hluav taws sib xws yuav tsum tau nruab. Tsis tas li ntawd, kev siv cov tshuab txias thiab cov txheej txheem ncig xyuas kom zoo tuaj yeem ua rau lub neej ua haujlwm ntawm cov khoom siv quenching ntev dua thiab txhim kho nws cov txiaj ntsig txias thiab kev ruaj khov.
6. Xaus Lus
Hauv kev xaus lus, kev xaiv cov khoom siv quenching uas tsim nyog ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua tau zoo thiab kev tswj hwm zoo ntawm 45 # steel roller saw. Dej, roj, kua brine thiab calcium chloride kua muaj lawv tus kheej cov yam ntxwv. Hauv kev siv ua haujlwm, qhov loj me, cov duab, cov khoom siv sib xyaw, cov khoom tsim tawm thiab tus nqi ntawm cov khoom ua haujlwm yuav tsum tau txiav txim siab kom ua tiav qhov zoo tshaj plaws quenching effect. Cov neeg yuav khoom lag luam wholesale thoob ntiaj teb thiab cov chaw tsim khoom yuav tsum muaj kev nkag siab tob txog cov yam ntxwv thiab qhov siv tau ntawm cov khoom siv quenching sib txawv, txhawb kev koom tes nrog cov neeg muab khoom kho cua sov, ua kom zoo dua cov txheej txheem quenching, yog li txhim kho kev sib tw ua lag luam ntawm 45 # steel roller saw thiab ua tau raws li kev thov thoob ntiaj teb rau cov khoom sib kis zoo.
Lub sijhawm tshaj tawm: Tsib Hlis-19-2025