1. Cov tuam txhab ua lag luam yuav tsum xub muab txhua lub pwm nrog daim npav keeb kwm, nthuav dav thiab txheeb xyuas qhov kev siv, kev saib xyuas (lubrication, tu, tiv thaiv xeb), thiab kev puas tsuaj. Qhov no tso cai rau lawv txheeb xyuas cov khoom puas thiab cov khoom puas, qib ntawm kev hnav, thiab muab cov ntaub ntawv rau kev txheeb xyuas qhov teeb meem thiab kev daws teeb meem. Nws kuj suav nrog cov pwm txheej txheem molding tsis thiab cov ntaub ntawv siv hauv cov khoom, yog li txo lub sij hawm sim pwm thiab txhim kho kev tsim khoom.
2. Cov tuam txhab ua lag luam yuav tsum sim ntau yam pwm kev ua tau zoo thaum lub tshuab txhaj tshuaj molding thiab pwm ua haujlwm ib txwm, thiab ntsuas qhov ntev ntawm qhov kawg molded yas. Cov ntaub ntawv no txiav txim siab txog lub xeev tam sim no ntawm cov pwm, txheeb xyuas qhov kev puas tsuaj rau cov kab noj hniav, cov tub ntxhais, qhov cua txias, thiab qhov chaw seem. Raws li cov ntaub ntawv muab los ntawm cov yas, qhov kev puas tsuaj ntawm pwm thiab kev ntsuas kev kho tuaj yeem txiav txim siab.
3. Cov khoom tseem ceeb ntawm cov pwm yuav tsum tau ua tib zoo saib xyuas thiab tshuaj xyuas: Ejector thiab cov lus qhia cov khoom ua kom cov pwm qhib thiab kaw cov lus tsa suab thiab ejection ntawm cov khoom yas. Yog hais tias ib feem ua jammed vim kev puas tsuaj, ntau lawm yuav nres. Yog li ntawd, cov ejector pins thiab cov ncej qhia yuav tsum tau lubricated tsis tu ncua (siv cov roj nplua nyeem uas tsim nyog), thiab xyuas ib ntus rau kev deformation thiab kev puas tsuaj ntawm qhov chaw. Hloov cov khoom puas tam sim ntawd. Tom qab ua tiav lub voj voog ntau lawm, siv cov kws tshaj lij los tiv thaiv- xeb roj rau pwm qhov chaw ua haujlwm, txav qhov chaw, thiab cov khoom qhia. Kev saib xyuas tshwj xeeb yuav tsum tau them nyiaj rau kev tiv thaiv cov kabmob ntawm cov pwm nrog lub zog thiab cov racks, thiab lub zog ntawm lub caij nplooj ntoos hlav ntawm lub caij nplooj ntoos hlav-loaded pwm, kom ntseeg tau tias lawv nyob rau hauv qhov kev ua haujlwm zoo.
Raws li kev tsim khoom txuas ntxiv, nplai, xeb, sludge, thiab algae yooj yim khaws cia hauv cov cua txias, txo cov ntoo khaub lig-section thiab nqaim cov cua txias. Qhov no ua rau txo cov cua sov pauv ntawm cov coolant thiab pwm, nce nqi ntau lawm. Yog li ntawd, ntxuav cov cua txias channel yog qhov tseem ceeb heev. Rau cov pwm kub khiav, tswj cov cua sov thiab tswj cov tshuab yog qhov tseem ceeb tshwj xeeb los tiv thaiv kev ua tsis tiav. Yog li ntawd, tom qab txhua lub voj voog ntau lawm, siv lub tshuab cua sov, lub tshuab cua sov, cov cua sov sojntsuam, thiab cov thermocouples ntawm cov pwm yuav tsum tau ntsuas nrog lub ohmmeter. Yog tias muaj kev puas tsuaj, lawv yuav tsum tau hloov tam sim ntawd, thiab cov txiaj ntsig tau muab piv nrog cov pwm cov ntaub ntawv keeb kwm. Cov ntaub ntawv yuav tsum tau khaws cia kom paub txog cov teeb meem thiab ua kom tsim nyog ntsuas raws sijhawm.
4. Ua tib zoo saib xyuas cov pwm saum npoo, vim nws ncaj qha cuam tshuam rau qhov zoo ntawm cov khoom. Qhov tseem ceeb yog tiv thaiv xeb. Yog li ntawd, xaiv qhov tsim nyog, siab - zoo, thiab kev xeb- tiv thaiv roj yog qhov tseem ceeb. Tom qab pwm ua tiav nws txoj haujlwm tsim khoom, ntau txoj hauv kev yuav tsum tau siv los ua tib zoo tshem tawm cov pwm seem nyob ntawm cov khoom siv tshuaj molding. Copper rods, tooj liab xov hlau, thiab cov tshuab pwm kev tshaj lij tuaj yeem siv los tshem tawm cov khoom seem txhaj tshuaj pwm thiab lwm yam tso nyiaj los ntawm pwm, ua raws li huab cua kom qhuav. Tsis txhob siv cov khoom tawv xws li hlau hlau lossis steel tuav los ntxuav, vim qhov no yuav khawb qhov chaw. Yog hais tias xeb pob yog tshwm sim los ntawm corrosive txhaj tshuaj molding, siv lub grinder polish pwm thiab tshuaj tsuag nrog kev xeb- tiv thaiv roj. Tom qab ntawd muab cov pwm tso rau hauv qhov chaw qhuav, txias, thiab hmoov av - qhov chaw dawb.
Txhaj pwm yog cov khoom siv molding tseem ceeb tshaj plaws hauv kev txhaj tshuaj molding; lawv qhov zoo ncaj qha cuam tshuam qhov zoo ntawm cov khoom tiav. Tsis tas li ntawd, txij li cov pwm tso nyiaj rau feem ntau ntawm cov nqi tsim khoom ntawm cov tuam txhab txhaj tshuaj molding, lawv lub neej ncaj qha cuam tshuam rau tus nqi ntawm cov khoom txhaj tshuaj molded. Yog li ntawd, kev txhim kho qhov zoo ntawm kev txhaj tshuaj pwm thiab ua kom muaj kev saib xyuas kom zoo kom ntev lawv lub neej kev pab cuam yog qhov teeb meem tseem ceeb rau cov tuam txhab txhaj tshuaj molding nrhiav kom txo cov nqi thiab nce kev ua haujlwm zoo.
Txhaj tshuaj molding tuam txhab uas muag feem ntau muaj ntau yam khoom thiab nquag hloov pwm. Tom qab ua tiav lub voj voog ntau lawm, pwm feem ntau khaws cia kom txog thaum lub voj voog tom ntej. Txawm li cas los xij, qee lub tuam txhab tsis them nyiaj txaus rau pwm cia, ua rau corrosion, txo nto tiav, thiab lwm yam teeb meem thaum khaws cia. Qhov no ua rau cov khoom lag luam qis dua, cov khoom seem ntau dua, thiab qee zaum, cov pwm tuaj yeem siv tsis tau, xav tau kev nqis peev tseem ceeb hauv cov pwm tshiab thiab ua rau cov khoom pov tseg ntau heev.
Cov ntaub ntawv qhia tau hais tias kev siv thiab kev tu tus account rau 15% -20% ntawm cov xwm txheej cuam tshuam rau pwm lifespan. Lub neej ntev ntawm cov pwm txhaj tshuaj feem ntau tuaj yeem ncav cuag 800,000 lub voj voog, thiab qee qhov zoo-cov pwm khaws cia txawv teb chaws tuaj yeem txuas ntxiv qhov no los ntawm 2-3 zaug. Txawm li cas los xij, vim tsis saib xyuas kev saib xyuas, lub neej ntawm kev txhaj tshuaj pwm hauv cov tuam txhab hauv tsev yog luv luv, tsuas yog li 1/5 txog 1/3 ntawm cov tuam txhab txawv teb chaws. Lub neej luv luv ntawm kev txhaj tshuaj pwm ua rau ntau lab nyiaj yuan hauv khib nyiab steel ua lub sijhawm thiab lub zog, nrog rau kev poob vim qhov cuam tshuam ntawm cov khoom zoo.
Yog li ntawd, kev saib xyuas ntawm kev txhaj tshuaj pwm yog qhov tseem ceeb, tshwj xeeb hauv qab no:
1. Cov tuam txhab ua lag luam yuav tsum xub muab txhua lub pwm nrog daim npav keeb kwm, ua tib zoo sau thiab txheeb xyuas nws cov kev siv, kev saib xyuas (lubrication, tu, tiv thaiv xeb), thiab kev puas tsuaj. Qhov no tso cai rau kev txheeb xyuas cov khoom puas thiab cov khoom puas, qib ntawm kev hnav, thiab muab cov ntaub ntawv rau kev daws teeb meem -. Nws kuj suav nrog cov pwm txheej txheem molding tsis thiab cov ntaub ntawv siv hauv cov khoom, yog li txo lub sij hawm sim pwm thiab txhim kho kev tsim khoom.
2. Cov tuam txhab ua lag luam yuav tsum sim ntau yam pwm kev ua tau zoo thaum lub tshuab txhaj tshuaj molding thiab pwm ua haujlwm ib txwm, thiab ntsuas qhov ntev ntawm qhov kawg molded yas. Cov ntaub ntawv no txiav txim siab txog qhov xwm txheej tam sim no ntawm cov pwm, txheeb xyuas qhov kev puas tsuaj rau cov kab noj hniav, cov tub ntxhais, qhov cua txias, thiab qhov chaw seem. Raws li cov ntaub ntawv muab los ntawm cov yas, qhov kev puas tsuaj ntawm pwm thiab kev ntsuas kev kho tuaj yeem txiav txim siab.
3. Ntau yam pwm tseem ceeb yuav tsum tau tsom xyuas thiab tshuaj xyuas: Ejector thiab cov lus qhia cov khoom ua kom cov pwm qhib thiab kaw cov lus tsa suab thiab ejection ntawm cov khoom yas. Yog hais tias ib feem ntawm cov khoom no ua rau jammed vim kev puas tsuaj, ntau lawm yuav tsum nres. Yog li ntawd, cov ejector pins thiab cov ncej qhia yuav tsum tau lubricated tsis tu ncua (siv cov roj nplua nyeem uas tsim nyog), thiab xyuas ib ntus rau kev deformation thiab kev puas tsuaj ntawm qhov chaw. Hloov cov khoom puas tam sim ntawd.
Tom qab ua tiav ib lub voj voog ntau lawm, siv tus kws tshaj lij los tiv thaiv- xeb roj rau cov pwm qhov chaw ua haujlwm, txav qhov chaw, thiab cov khoom qhia. Kev saib xyuas tshwj xeeb yuav tsum tau them rau kev tiv thaiv cov kabmob ntawm cov pwm nrog lub zog thiab cov racks, thiab lub caij nplooj ntoos hlav lub zog ntawm lub caij nplooj ntoos hlav -loaded pwm, kom ntseeg tau tias lawv nyob twj ywm hauv kev ua haujlwm zoo.
Raws li kev tsim khoom txuas ntxiv mus, nplai, xeb, sludge, thiab algae yooj yim sib sau ua ke hauv cov cua txias, txo lawv cov ntoo khaub lig- ntu ntu thiab nqaim cov cua txias. Qhov no ua rau txo cov cua sov pauv ntawm cov coolant thiab pwm, nce nqi ntau lawm. Yog li ntawd, ntxuav cov cua txias channel yog qhov tseem ceeb heev. Rau cov pwm kub khiav, tswj cov cua sov thiab tswj cov tshuab yog qhov tseem ceeb tshwj xeeb los tiv thaiv kev ua tsis tiav.
Yog li ntawd, tom qab txhua lub voj voog ntau lawm, siv lub tshuab cua sov, lub tshuab cua sov, cov cua sov sojntsuam, thiab cov thermocouples ntawm cov pwm yuav tsum tau ntsuas nrog lub ohmmeter. Yog tias muaj kev puas tsuaj, lawv yuav tsum tau hloov tam sim ntawd, thiab cov txiaj ntsig tau muab piv rau cov pwm cov ntaub ntawv keeb kwm. Cov ntaub ntawv yuav tsum tau khaws cia kom paub txog cov teeb meem thiab ua kom tsim nyog ntsuas raws sijhawm.
4. Kev saib xyuas ntawm cov pwm yog qhov tseem ceeb, vim nws ncaj qha cuam tshuam rau qhov zoo ntawm cov khoom. Tiv thaiv xeb yog qhov tseem ceeb; Yog li ntawd, xaiv qhov tsim nyog, siab - zoo, thiab kev xeb xeb- cov roj tiv thaiv yog qhov tseem ceeb. Tom qab cov pwm ua tiav nws txoj haujlwm tsim khoom, qhov seem txhaj tshuaj molding yuav tsum tau ua tib zoo tshem tawm siv ntau txoj kev nyob ntawm seb hom kev txhaj tshuaj molding. Copper rods, tooj liab xov hlau, thiab cov tshuab pwm kev tshaj lij tuaj yeem siv los tshem tawm cov seem txhaj tshuaj molding thiab lwm yam khoom tso tawm los ntawm pwm, ua raws li huab cua kom qhuav.
Tsis txhob siv cov khoom tawv xws li hlau hlau lossis steel tuav los ntxuav, vim qhov no yuav khawb qhov chaw. Yog hais tias xeb pob yog tshwm sim los ntawm corrosive txhaj tshuaj molding, siv lub grinder polish pwm thiab tshuaj tsuag nrog cov kws tshaj lij xeb- tiv thaiv roj. Tom qab ntawd, muab cov pwm tso rau hauv qhov chaw qhuav, txias, thiab hmoov av - qhov chaw dawb.
Ib qho zoo-cov pwm tuaj yeem ua kom luv pwm sib dhos thiab sim ua lub sijhawm, txo cov khoom tsis ua haujlwm, ua kom cov khoom lag luam zoo, lav cov khoom zoo, txo cov khoom seem, thiab txo cov nqi khiav lag luam thiab cov cuab yeej cuab tam ruaj khov. Thaum pib ntawm lub voj voog ntau lawm, lub tuam txhab tuaj yeem tsim cov khoom tsim nyog. Yog li ntawd, rau kev txhaj tshuaj molding cov khoom lag luam ua cov tuam txhab, hauv kev lag luam muaj kev sib tw tam sim no, zoo -cov pwm khaws cia tuaj yeem yog qhov zoo dua.
(1) Ib qho Parting Surface Txhaj Pwm
Thaum qhib lub pwm, cov pwm txav thiab cov pwm ruaj khov cais kom tshem tawm cov khoom yas. Qhov no yog hu ua ib qho kev sib cais pwm, tseem hu ua ob - phaj pwm. Nws yog qhov yooj yim tshaj plaws thiab feem ntau hom kev txhaj tshuaj pwm. Nws tuaj yeem tsim los ua ib qho - kab noj hniav txhaj pwm lossis ntau - kab noj hniav pwm raws li xav tau, thiab yog hom kev txhaj tshuaj pwm ntau tshaj plaws.
(2) Ob chav Parting Surface Txhaj Pwm
Ob chav parting nto txhaj pwm muaj ob qhov chaw sib cais. Muab piv rau ib qho kev txhaj tshuaj molding ib feem, nws ntxiv ib feem ntawm cov phaj nruab nrab txav tau (tseem hu ua lub phaj txav tau, uas yog lub tsev sprue, khiav, thiab lwm yam thiab cov khoom uas yuav tsum tau ua los ntawm cov pwm ruaj khov) mus rau seem pwm. Yog li ntawd, nws tseem hu ua peb - phaj (tsav phaj, phaj nruab nrab, phaj tsau) txhaj pwm.
Nws yog feem ntau siv rau hauv ib qho -kab noj hniav lossis ntau- kab noj hniav txhaj pwm nrog qhov rooj qhov rooj txhaj tshuaj. Thaum lub sij hawm qhib pwm, lub phaj nruab nrab sib cais los ntawm lub phaj ruaj khov ntawm qhov chaw ruaj khov ntawm cov ncej ntawm cov pwm ruaj khov, tso cai rau cov khoom sib txuas ntawm lub rooj vag kom tshem tawm ntawm ob daim hlau. Muab ob npaug rau qhov chaw txhaj tshuaj pwm muaj cov qauv tsim, cov nqi tsim khoom ntau dua, thiab kev ua haujlwm nyuaj; yog li ntawd, lawv feem ntau tsis siv rau molding loj lossis ntxiv - cov khoom yas loj.
(3) Txhaj Mould nrog Sab Parting thiab Core Pulling Mechanism
Thaum cov khoom yas muaj sab qhov los yog sab recesses, ib sab -movable core lossis slider yog xav tau rau molding. Tom qab txhaj tshuaj molding, cov pwm txav ua ntej txav mus rau hauv ib qho kev ncua deb, thiab tom qab ntawd cov seem inclined ntawm tus pin khoov rau hauv cov pwm ruaj khov ua rau lub slider txav mus rau sab nraud. Nyob rau tib lub sijhawm, ejector pas nrig ntawm lub tshuab demolding thawb lub ejector phaj, ua rau cov yas detach los ntawm cov tub ntxhais.
(4) Txhaj pwm nrog cov khoom txav tuaj yeem molding
Vim muaj qee cov qauv tshwj xeeb ntawm cov khoom yas, cov pwm txhaj tshuaj yuav tsum muaj cov khoom siv pwm txav tau, xws li txav tau cov punches, txav tau tuag, txav tau ntxig, txav tau threaded cores, lossis rings. Cov khoom no tuaj yeem raug tshem tawm los ntawm pwm nrog rau cov yas thaum lub sij hawm demolding thiab tom qab ntawd cais tawm ntawm ib feem.
(5) Tsis siv neeg threaded txhaj pwm
Rau threaded yas qhov chaw, thaum tsis siv neeg demolding yog yuav tsum tau, ib tug rotatable threaded core los yog nplhaib tuaj yeem ntsia tau rau ntawm pwm. Kev qhib kev ua haujlwm, kev sib hloov ntawm lub tshuab txhaj tshuaj molding tshuab, los yog cov khoom siv sib kis tau zoo tuaj yeem siv los hloov cov tub ntxhais threaded lossis nplhaib, yog li tshem tawm cov yas.
(6) Tsis Siv Neeg Txhaj Pwm
Kev txhaj tshuaj pwm tsis siv neeg siv cov txheej txheem cua sov adiabatic kom cov yas nruab nrab ntawm qhov txhaj tshuaj nozzle thiab cov kab noj hniav nyob rau hauv lub xeev molten, yog li ntawd tsis muaj cov khoom siv los ntawm lub rooj vag system yog txhaj thaum lub molded raug tshem tawm. Tus qub hu ua adiabatic runner txhaj pwm, thiab tom kawg yog hu ua kub khiav txhaj pwm.
(7) Txoj cai -Lub kaum sab xis txhaj pwm
Txoj cai - lub kaum sab xis txhaj pwm tsuas yog tsim rau lub kaum sab xis txhaj tshuaj molding tshuab. Tsis zoo li lwm cov pwm txhaj tshuaj, kev coj noj coj ua ntawm hom pwm no yog perpendicular rau pwm qhib thiab kaw cov kev taw qhia thaum molding. Nws lub ntsiab khiav yog nyob rau ntawm ob sab ntawm parting nto ntawm lub tsiv thiab nyob ruaj ruaj pwm, thiab nws tus ntoo khaub lig-sectional cheeb tsam yog feem ntau tas mus li, uas txawv los ntawm cov pwm siv nyob rau hauv lwm yam kev txhaj tshuaj molding tshuab. Replaceable runner inserts tuaj yeem ntsia tau rau ntawm qhov kawg ntawm tus neeg khiav dej num tseem ceeb los tiv thaiv kev hnav thiab deformation ntawm cov tshuaj nozzle thiab lub ntsiab khiav hauv qhov nkag.
(8) Txhaj Mould nrog Ejection Mechanism ntawm Cov Pwm Nyob Hauv
Nyob rau hauv feem ntau cov pwm txhaj tshuaj, lub ejection mechanism yog ntsia rau ntawm lub tsiv pwm sab, uas pab txhawb kev khiav hauj lwm ntawm lub ejection ntaus ntawv nyob rau hauv lub txhaj tshuaj molding tshuab lub pwm qhib thiab kaw system. Hauv kev tsim khoom tiag tiag, vim muaj qhov txwv ntawm qee qhov yas, nws yog qhov zoo dua kom tso cov khoom yas ntawm sab pwm ruaj khov rau molding. Txhawm rau tshem tawm cov khoom yas los ntawm pwm, lub tshuab demolding yuav tsum tau teem rau ntawm sab pwm ruaj.
