Khoom Paub meej
Nrog rau txoj kev loj hlob ntawm kev tshawb fawb thiab thev naus laus zis, qhov yuav tsum tau muaj rau kev nyab xeeb thiab zoo nkauj tsos ntawm al tuag casting yog tas li nce. Qhov zoo ntawm cov khoom yog ntsuas qhov sib txawv nyob ntawm kev siv. Tshwj xeeb, yog tias ib feem ua tau raws li cov kev xav tau ntawm cov khoom siv kho tshuab, cov duab geometric, qhov tseeb ntawm qhov loj me, qhov shrinkage kab noj hniav, qhov pores, roughness, thiab lwm yam, nws yog cov khoom tsim nyog; qhov zoo ntawm qhov no yog me ntsis phem dua li qhov yuav tsum tau kos duab, tab sis nws tseem tuaj yeem siv tsis txaus siab. Cov khoom tsis raug. Yog tias nws ua tsis tau raws li qhov yuav tsum tau siv, qhov yuav raug muab pov tseg. Yuav ua li cas los tsim cov khoom zoo yog qhov tseem ceeb heev rau kev txuag cov ntaub ntawv thiab lub zog, txo cov sij hawm tsim khoom, thiab txhim kho cov txiaj ntsig kev lag luam.
1. Cov yam ntxwv cuam tshuam rau qhov zoo ntawm cov tuag castings
Muaj ntau yam uas cuam tshuam rau qhov zoo ntawm qhov tuag-casting qhov chaw, xws li hom thiab zoo ntawm lub tshuab tuag-casting, lub rationality ntawm cov qauv geometric thiab cov kev xav tau ntawm cov tuag-casting qhov chaw, cov qauv ntawm cov pwm thiab cov technical theem ntawm tus neeg teb xov tooj, thiab lwm yam.
1.1 Tsim cov tuag castings
Cov neeg tsim qauv yuav tsum xub nkag siab txog tus neeg siv cov kev xav tau ntawm kev siv thiab kev ua haujlwm, nrog rau cov kev ntxhov siab ntawm kev tuag castings, tom qab ntawd xaiv cov khoom tsim nyog raws li cov kev xav tau ntawm kev siv thiab ib puag ncig ua haujlwm, thiab nkag siab txog qhov tuag-casting cov khoom ntawm lawv cov ntaub ntawv. Thaum tsim, tshwj xeeb yuav tsum tau them nyiaj rau kev ua cov qauv tuag-casting kom yooj yim li sai tau thaum ua tau raws li qhov yuav tsum tau siv. Lub thickness ntawm phab ntsa yuav tsum zoo sib xws thiab muaj lub kaum sab xis tsim nyog. Tsis tas li ntawd, qhov tsis xws luag xws li qhov pits, pores, shrinkage thiab under-casting marks, tawg, deformation thiab lwm yam tsis xws luag yuav tshwm sim ntawm qhov tuag-casting qhov chaw.
Cov kev xav tau ntawm qhov tseeb ntawm qhov tuag castings yuav tsum yog qhov tsim nyog, txwv tsis pub nws yuav ua rau muaj teeb meem tsis tsim nyog hauv pwm tsim, pwm ua, tsim thiab tswj cov txheej txheem, thiab ua rau cov khoom lag luam tsis zoo.
1.2 Pwm qauv, ua kom raug thiab cov khoom pwm xaiv
Tuag-casting qhov chaw yog tsim los ntawm pwm. Tsis muaj qhov tsis ntseeg tias qhov kev tsim, kev ua haujlwm raug, thiab kev xaiv cov ntaub ntawv pwm muaj feem cuam tshuam nrog cov khoom zoo. Yog tias cov qauv pwm tsis tsim nyog, nws yuav nyuaj rau kev ua kom cov khoom tsim nyog txawm tias yuav ntsuas dab tsi los ntawm cov txheej txheem. Tsis tas li ntawd, cov khoom siv pwm, pwm ua qhov tseeb, qhov roughness ntawm qhov chaw, ua cov cim, cov kab nrib pleb me me hauv kev kho cua sov, nitride txheej thickness, thiab cov pwm pwm tsis zoo yuav cuam tshuam rau cov khoom zoo thiab pwm lub neej.
1.3 Shrinkage ntawm cov khoom siv casting
Thaum lub shrinkage ntawm casting cov ntaub ntawv yog feem ntau muab raws li ib tug nruab nrab feem pua los yog ib tug feem pua nrog ib tug tej yam txawv variation, qhov nruab nrab shrinkage ntawm cov khoom yog feem ntau xaiv. Rau high-precision tuag castings. Kev saib xyuas tshwj xeeb yuav tsum tau them rau qhov shrinkage tus nqi ntawm cov ntaub ntawv thaum tsim pwm. Yog tias tsim nyog, kuaj pwm tuaj yeem ua ntej. Tom qab tau txais cov ntaub ntawv xav tau ntawm kev kuaj pwm, tsim thiab tsim cov pwm rau kev tsim khoom loj pib. Qhov sib txawv shrinkage tus nqi yuav tsum tau siv los xam qhov ua hauj lwm qhov ntev ntawm txhua qhov ntawm qhov tuag casting. Lub hauv paus xam zauv yog:
- Cavity loj Y+δ=(YO+KYO-n△)+δ
- Core size Y+δ=(YO+KYO-n△)+δ
- Txoj hauj lwm nrug loj Y±δ=(YO+KYO)±δ
- qhov twg Y — xam tus qauv loj, mm
- Yo - qhov txwv loj ntawm qhov no ntawm qhov casting (qhov siab tshaj plaws los yog yam tsawg kawg nkaus), mm
- K-Comprehensive suav shrinkage tus nqi
- N — Pwm hnav khaub ncaws system
- △ — Kev kam rau siab ntawm nominal qhov ntev ntawm tuag castings, mm
- δ—— Pwm raug kam rau ua, mm
1.4 Kev tsim thiab ua tiav cov txheej txheem tuag-casting
Kev tsim thiab ua tiav ntawm cov txheej txheem tuag-casting muaj feem xyuam rau qhov zoo ntawm cov pwm, cov cuab yeej tuag-casting, thiab cov txheej txheem ntawm cov neeg ua haujlwm. Raws li cov xwm txheej ntawm cov khoom siv hauv tsev tuag-casting uas twb muaj lawm, nws yog qhov nyuaj rau kev ua tiav ruaj khov, txhim khu kev qha thiab meej tswj cov txheej txheem tuag-casting tsis. Ua tiav kev tswj hwm ntawm cov txheej txheem tuag-casting yog txheej txheem ntawm kev sib txuas thiab siv cov khoom xws li cov khoom siv tuag-casting, cov ntaub ntawv tuag-casting, thiab pwm. Tsis ua raws li cov txheej txheem nruj me ntsis thiab cov tsis tseem ceeb yuav ua rau shrinkage, deformation, under-casting, thiab substandard qhov ntev ntawm qhov tuag-casting.
2. Kev sib raug zoo ntawm kev tuag casting zoo thiab pwm
Cov pwm yog cov cuab yeej tseem ceeb rau kev tuag castings. Yog li ntawd, thaum tsim pwm, koj yuav tsum sim koj qhov zoo tshaj plaws los ua kom tag nrho cov qauv ntawm cov pwm thiab cov pwm pwm tsim nyog, yooj yim los tsim, siv tau yooj yim, nyab xeeb thiab txhim khu kev qha. Txhawm rau tiv thaiv cov pwm los ntawm deforming thaum lub sij hawm tuag-casting, cov hlau molten ntws ruaj khov nyob rau hauv cov pwm, lub casting tuaj yeem ua kom txias sib npaug, thiab tuag-casting tuaj yeem ua tiav tsis siv neeg. Tsis tas li ntawd, cov ntaub ntawv pwm tsim nyog yuav tsum raug xaiv kom tsim nyog raws li qhov ntau lawm batch loj, cov khoom siv, thiab lwm yam.
2.1 Cov qauv pwm yuav tsum tsim nyog, thiab cov qauv ntawm cov pwm pwm yuav tsum tsim nyog.
Los ntawm qhov kev xav ntawm lub zog, cov pwm qhov chaw yog tsim kom muaj kev sib koom ua ke zoo, muaj zog thiab ruaj khov, thiab tsis yooj yim puas lossis deformed thaum siv. Txawm li cas los xij, yog tias cov duab ntawm qhov tuag casting yog complex thiab cov pwm qhov chaw kuj nyuaj, nws yuav nyuaj rau cov txheej txheem pwm thiab qhov kev ua tiav yuav tsis siab. Yog tias cov pwm pwm tau tsim los ua ke, kev ua haujlwm yuav yooj yim heev, kev ua haujlwm siab tuaj yeem yooj yim tau, thiab cov khoom zoo siab tuaj yeem tau txais.
2.2 Kev txiav txim siab ntawm cov kab noj hniav
Txhawm rau txiav txim siab tus naj npawb ntawm cov kab noj hniav, koj yuav tsum xav txog cov cuab yeej muaj peev xwm, qhov nyuaj ntawm kev ua pwm, ntau lawm batch loj, precision yuav tsum tau ntawm castings, thiab lwm yam. tshwj xeeb tshaj yog rau ntau kab noj hniav pwm, vim qhov nyuaj ntawm pwm ua thiab loj qhov tseeb qhov yuam kev, nws Nws yog ib qho nyuaj rau ua tiav qhov sib npaug ntws channel configuration. Kev ua tau zoo ntawm txhua qhov kab noj hniav casting yog tsis sib haum. Tuag castings yuav tsum tau siab precision, thiab thaum lub geometry yog complex, nws yog qhov zoo tshaj plaws los siv ib tug pwm thiab ib kab noj hniav. Me me castings yog nyob rau hauv muaj.
2.3 Tsim cov rooj vag system
Lub rooj vag system tsis yog tsuas yog ib txoj hauv kev rau cov kua hlau los sau cov pwm tuag-casting, tab sis kuj tswj cov yam ntxwv xws li tus nqi ntws thiab siab kis ntawm cov yaj, cov cua txias, thiab thermal stability ntawm cov pwm tuag-casting. Yog li ntawd, thaum tsim lub rooj vag system, cov yam ntxwv ntawm cov txheej txheem, kev xav tau, hom alloy thiab cov yam ntxwv ntawm cov casting yuav tsum tau soj ntsuam, thiab hom thiab cov yam ntxwv ntawm lub tshuab tuag-casting yuav tsum tau txiav txim siab, yog li ntawd lub rooj vag tsim nyog tuaj yeem ua tau. tsim.
Tam sim no tsis muaj kev suav sau ua ke rau cov tshuab sprue. Feem ntau ntawm kev tsim thiab kev sim pwm hloov kho yog raws li kev paub dhau los. Kev paub yog:
Qhov luaj li cas ntawm lub sprue yog txiav txim siab raws li qhov chaw hla ntu ntawm lub rooj vag sab hauv, uas yog, qhov chaw hla ntawm lub rooj vag sab hauv: qhov chaw hla ntawm lub sprue=1: {{4} }:4. Sab hauv qhov rooj thickness: sprue thickness=1:5-1:8
2.4 Exhaust system tsim
Cov pwm yuav tsum tau nruab nrog ib qho dhau qhov zawj thiab tso pa tawm nrog cov dej ntws txaus, uas yog qhov tseem ceeb heev los xyuas kom meej cov khoom zoo. Cov neeg feem ntau tsis quav ntsej txog qhov tshwm sim uas cov dej ntws tau raug thaiv ua ntej los ntawm cov hlau molten tuaj. Cov qauv qhia hauv daim duab 1 tuaj yeem ua rau cov hlau molten ntws mus rau hauv qhov tob ntawm lub tank dej ua ntej, ua kom lub sijhawm siab tshaj plaws ntawm lub qhov tso pa tawm. Nws ib txwm qhib sab hauv. Tsis tas li ntawd, lub thoob dej tank yuav tsum tau nruab nrog ib tug ejector pas nrig kom tshem tawm cov hlau los ntawm lub thoob dej tank.
2.5 Pwm kub
Qhov kub ntawm cov pwm tuag-casting yog ib qho tseem ceeb cuam tshuam rau qhov zoo ntawm casting. Cov pwm kub tsis zoo tsis tsuas yog cuam tshuam rau sab hauv thiab sab nraud zoo ntawm cov tuag castings (xws li qhov tsis xws luag xws li pores, shrinkage kab noj hniav, looseness, mucous membranes, thiab coarse nplej nyob rau hauv castings), tab sis kuj cuam tshuam rau qhov tseeb qhov tseeb thiab txawm deformation ntawm castings, ua rau. kab nrib pleb nyob rau hauv lub tuag-casting pwm thiab tsim ntawm nto tsim nyob rau hauv lub castings. Mesh burrs uas nyuaj rau tshem tawm cuam tshuam cov tsos zoo ntawm tuag castings. Ua piv txwv aluminium alloy, qhov kub thiab txias yog nchuav rau hauv pwm ntawm 670-710 degree . Nws tau raug txiav txim siab los ntawm kev xyaum ntau lawm ntev tias qhov zoo tshaj plaws ntawm cov pwm yuav tsum tau tswj ntawm 40% ntawm qhov kub ntawm cov pwm. Qhov kub ntawm aluminium alloy tuag-casting pwm yog 230 ~ 280 degree. Cov pwm kub hauv qhov ntau no yog qhov tsim nyog kom tau txais cov khoom zoo thiab cov txiaj ntsig zoo.
Pwm feem ntau tsis siv roj lossis hluav taws xob cua sov, tab sis siv cov khoom siv ua ntej thiab cua txias. Cov khoom siv no siv roj ua qhov nruab nrab kom preheat thiab txias pwm raws li xav tau.
2.6 Kev txiav txim siab ntawm qhov loj ntawm molded qhov chaw
Thaum xam qhov loj ntawm qhov tuag-cam khwb cia, qhov shrinkage tus nqi ntawm cov khoom siv tuag-cam khwb cia yuav tsum muaj tseeb, txwv tsis pub cov khoom tsim tawm yuav tsis tsim nyog. Yog tias tsim nyog, suav qhov loj ntawm qhov tuag casting tom qab ntsuas qhov tseeb ntawm qhov ntsuas pwm. Rau cov khoom siv high-precision, nws tseem yuav tsum tau coj mus rau hauv tus account lub thermal expansion ntawm pwm tuag-casting ib feem ntawm cov khoom thiab qhov cuam tshuam ntawm cov khoom cia thiab siv ib puag ncig ntawm qhov tseeb qhov tseeb ntawm cov khoom tom qab tuag-casting.
2.7 Kev txiav txim siab qhov chaw ntawm qhov chaw parting
Txoj hauj lwm ntawm qhov chaw parting yuav cuam tshuam rau kev ua pwm, tso tawm, cov khoom demoulding, thiab lwm yam. Feem ntau cov khoom seem yuav tawm hauv kab ntawm cov khoom, cuam tshuam rau qhov zoo ntawm qhov chaw thiab qhov tseeb ntawm cov khoom. Yog li ntawd, thaum tsim txoj hauj lwm ntawm parting nto, nyob rau hauv tas li ntawd mus rau hauv tus account cov teeb meem xws li cov khoom demoulding, pwm ua, tso, thiab lwm yam., txoj hauj lwm ntawm parting nto yuav muab tso rau qhov twg cov khoom nto zoo yuav tsum tsis siab los yog qhov tseeb qhov dimension tsis siab.
2.8 Cov pwm tsis tuaj yeem deformed
Feem ntau vim yog cov qauv pwm tsis tsim nyog lossis xaiv cov khoom pwm tsis raug. Nws yuav ua rau tawg thiab deformation ntawm pwm thaum siv, uas yuav ua rau cov khoom tsis tsim nyog. Vim li no, kev ntsuas tsim nyog yuav tsum tau ua thaum tsim pwm los xyuas kom meej qhov zoo ntawm cov khoom. Feem ntau thaum tuag casting. Lub siab hauv pwm yog 70-100MPa. Txhawm rau tiv thaiv cov pwm los ntawm deforming thiab dislocating, cov kab noj hniav yuav tsum tuab txaus, thiab cov phaj thiab nraub qaum phaj rau kev txhim kho cov tub ntxhais yuav tsum tuab txaus. Yog tias tsim nyog, cov ntaub qhwv tuaj yeem muab ntxiv rau hauv qab phaj. Cov tub ntxhais thiab kab noj hniav yuav tsum tau muab tso siab rau, thiab sab roughness ntawm cov tub ntxhais thiab mounting qhov yuav tsum tsim nyog. Lub roughness tsis tuaj yeem qis dhau, thiab lub hauv paus ntawm lub qhov yuav tsum tau kho ntawm ob sab. Txhawm rau tiv thaiv cov khoom los ntawm cov phab ntsa tuab ntawm ib sab thiab nyias phab ntsa ntawm lwm qhov. Rau cov tub ntxhais ntawm qhov muag tsis pom qhov ntawm cov khoom, peb kuj yuav tsum xav txog txoj hauv kev kom sib npaug ntawm qhov kev ntxhov siab ntawm cov tub ntxhais los ntawm qhov chaw, kom muaj nuj nqis thiab qhov tseem ceeb ntawm qhov nkag. Rau cov pwm tuag-casting, lub zog ntawm cov kab noj hniav thiab cov phaj rov qab tuaj yeem kuaj xyuas, thiab lub zog thiab nruj ntawm cov kab noj hniav phab ntsa tuab tuaj yeem kuaj xyuas. Txheeb xyuas qhov nruj ntawm lub phaj nraub qaum. Ntxiv nrog rau kev noj qee yam kev ntsuas ntawm cov qauv pwm, cov ntaub ntawv pwm nrog me me deformation thiab lub zog zoo yuav tsum tau xaiv. Tsis tas li ntawd, qhov zoo ntawm cov khoom yuav raug cuam tshuam yog tias muaj qhov sib txawv ntawm cov pwm qhia ntawv thiab cov lus qhia bushing lossis yog tias cov ntawv qhia ntawv lossis phau ntawv qhia bushing khaws cia thiab hnav tawm ntawm lub cev thaum siv. Tshwj xeeb tshaj yog rau cov khoom uas muaj qhov siab qhov tseeb, txhawm rau ua kom cov khoom raug, qhov sib txuam ntawm cov khoom txav tau thiab ruaj khov pwm tuaj yeem teem rau ntawm qhov chaw sib cais lossis 24 qhov chaw rods tuaj yeem teem rau ntawm qhov chaw tsim nyog nyob ib puag ncig pwm kab noj hniav rau qhov chaw thiab kev txhawb nqa. tiv thaiv kev txav mus los. , Kho pwm misalignment. Qhov no yog qhov tseem ceeb tshaj rau cov khoom loj, cov pwm tsim tawm ntau.
Cov txheej txheem ejection yuav tsum tau nruab nrog cov lus qhia los tiv thaiv cov pas nrig los ntawm kev tsis ruaj khov vim kev coj tsis ncaj, kom ntseeg tau tias cov khoom sib npaug sib npaug thiab cov khoom tsis deformed thaum ejection.
Raws li tus kws tshaj lij hauv kev lag luam ntawm aluminium castings, Mindwell cov khoom lag luam npog ntau yam tshwj xeeb ntawm txhuas tuag castings thiab al die casting kev pabcuam. Cov khoom no tsis tsuas yog muaj kev ntseeg siab thiab ruaj khov, tab sis kuj muaj kev ua tau zoo thiab zoo heev. Txawm hais tias nws yog cov khoom siv hauv tsheb, cov khoom siv hluav taws xob lossis cov khoom lag luam hauv lwm qhov chaw lag luam, Qingdao Fushengda Hlau Technology Co., Ltd. tuaj yeem muab cov kev daws teeb meem zoo thiab txhim khu kev qha rau koj.
Cim npe nrov: Tuam Tshoj txhuas tuag casting manufacturers, lwm tus neeg