Yuav Ua Li Cas Pwm Ib Qhov Ncauj Tsis Cracking: 5 Kev Ua Phem thiab Kho
Kev sib tsoo hauv cov pob zeb thaiv cov khoom pov tseg, ua rau qeeb qeeb, thiab nce nqi. Ib qho thaiv uas tawg thaum lub sij hawm molding los yog thaum ntxov curing yuav tsis raug muag. Lub sijhawm ua haujlwm, pob zeb, thiab lub sijhawm siv lub tshuab tau nqis peev hauv qhov thaiv ntawd ploj lawm.
Tshaj li 15 xyoo dhau los ntawm kev xa tawm thiab ntau txhiab tus thaiv- ua haujlwm thoob plaws 28 lub teb chaws, UNIK tau soj ntsuam cov qauv kev sib tsoo zoo ib yam ib zaug ntxiv. Qhov xwm zoo yog tias feem ntau cov kab nrib pleb tiv thaiv tau. Lawv tuaj ntawm tsib qhov yuam kev hauv cov txheej txheem molding. Kho cov no, thiab koj qhov kev tsis lees paub yuav poob qis heev.
UNIK tau tsim cov tshuab cib thiab pwm hauv Quanzhou, Tuam Tshoj txij li xyoo 2008. Cov lus qhia no rub tawm qhov kev paub dhau los los pab thaiv cov neeg tsim khoom txheeb xyuas thiab kho cov hauv paus ua rau tawg.
Qhov yuam kev 1: Siv Pwm Nrog Lub Pob Ntseg Sab Hauv
Dab tsi mus tsis ncaj ncees lawm.Lub pwm kab noj hniav nrog ntse 90-degree fab tsim cov ntsiab lus kev ntxhov siab. Thaum lub tshuab vibrates, kev ntxhov siab mus los ntawm cov pob zeb thiab tsoo cov ces kaum ntse. Tom qab ntau txhiab lub voj voog, kev ntxhov siab qaug zog ua rau cov kab nrib pleb pib ntawm cov ces kaum ntawm txhua qhov thaiv.
Yuav txheeb xyuas li cas.Saib ntawm cov ces kaum ntawm koj cov blocks. Yog tias cov kab nrib pleb tsis tu ncua tshwm sim ntawm tib lub ces kaum, cov pwm geometry yog qhov ua rau. Tshawb xyuas lub pwm kab noj hniav. Yog tias cov ces kaum sab hauv zoo li ntse lossis zoo li lub kaum ntse ntse 90-degree, qhov no yog koj qhov teeb meem.
Qhov kho.Siv cov pwm nrog radiused sab hauv cov ces kaum. A 3-5mm radius tso cai rau kev ntxhov siab los ntawm qhov nkhaus es tsis txhob tsom rau ntawm qhov taw tes. UNIK tshuab lub vojvoog no rau hauv txhua qhov kab noj hniav raws li tus qauv. Yog tias koj muaj cov pwm uas twb muaj lawm nrog cov ces kaum ntse, lawv tuaj yeem rov ua dua ntxiv rau lub vojvoog, txawm tias qhov no tshem tawm qee cov khoom siv ntawm phab ntsa kab noj hniav.
Kev tiv thaiv.Thaum xaj cov pwm tshiab, qhia meej lub vojvoog ntawm lub kaum sab xis hauv kev sau ntawv. Nug tus neeg muag khoom kom pom lub vojvoog ntawm daim duab pom zoo ua ntej pib tsim khoom.
Qhov yuam kev 2: Kev tsim cov pob zeb tsis raug
Dab tsi mus tsis ncaj ncees lawm.Ob qhov teeb meem sib xyaw ua rau tawg. Thawj yog dej ntau dhau. Kev sib xyaw ntub dej shrinks ntau dua thaum nws qhuav, thiab qhov shrinkage tsim kev ntxhov siab sab hauv uas lub thaiv tsis tuaj yeem tiv taus. Qhov thib ob yog tsis txaus nplua los yog sib sau ua ke ntau dhau. Yog tsis muaj cov khoom zoo txaus los sau qhov sib txawv ntawm cov khoom loj, lub thaiv tsis muaj kev sib koom ua ke.
Yuav txheeb xyuas li cas.Cov kab nrib pleb los ntawm cov dej ntau dhau zoo li zoo, cov qauv random hla ntawm qhov thaiv qhov chaw. Kev sib tsoo los ntawm kev sib sau ua ke tsis zoo yuav ua raws li thaj tsam ntawm cov khoom ntxhib. Lub thaiv kuj tseem xav tias crumbly ntawm cov npoo.
Qhov kho.Txo cov ntsiab lus ntawm cov dej mus rau qhov tsawg kawg nkaus uas xav tau rau cov pob zeb ua haujlwm. Phim qhov poob ntawm 20-40mm rau tshuab molding. Kho cov qhab nia tag nrho. Ib qho kev sib xyaw ua ke zoo muaj cov khoom los ntawm cov xuab zeb zoo mus txog qhov siab tshaj plaws sib sau ua ke uas tsis muaj qhov khoob. Yog tias koj tsis paub meej txog koj qhov kev tsim qauv sib xyaw, khiav ib qho kev sim yooj yim: cov pwm thaiv nrog cov ntsiab lus qis qis kom txog rau thaum koj pom cov driest sib tov uas tseem tsim cov khoom thaiv.
Kev tiv thaiv.Siv cov qauv sib xyaw ua ke. Ntsuas dej thiab sib sau ua ke los ntawm qhov hnyav, tsis yog ntim. Kuaj txhua batch ua ntej tag nrho cov khoom.
Qhov yuam kev 3: Kev vibration tsis raug
Dab tsi mus tsis ncaj ncees lawm.Kev vibration yog dab tsi compacts lub pob zeb thiab tshem tawm cua ntxiab. Hauv qab - vibration ua blocks nrog voids thiab tsawg ntom. Cov chaw tsis muaj zog no dhau los ua cov ntsiab lus tawg. Tshaj - kev vibration ua rau aggregate nyob rau hauv qab thiab dej nce mus rau saum. Qhov tshwm sim uas tsis yog -ib puag ncig thaiv kev tawg thaum nws kho.
Yuav txheeb xyuas li cas.Hauv qab - vibrated blocks pom lub teeb rau lawv qhov loj me thiab pom qhov khoob ntawm qhov chaw los yog honeycombing. Tshaj - vibrated blocks muaj ib txheej ntawm cov mortar zoo nyob rau saum npoo nrog nthuav aggregate nyob rau hauv qab. Kev tawg los ntawm tshaj - kev vibration zoo li kab rov tav lossis ua raws li cov ciam teb.
Qhov kho.Kho lub sijhawm vibration thiab amplitude rau koj qhov kev sib xyaw ua ke. Pib nrog lub tshuab chaw tsim tshuaj paus qhov chaw pom zoo. Tom qab ntawd ua cov kev sim ntsuas thaum sib txawv lub sijhawm vibration los ntawm ib qho - thib ob increments. Txiav cov kev sim blocks qhib los xyuas qhov sib xws ntawm sab hauv. Qhov kev teeb tsa raug tsim kom muaj qhov sib npaug ntawm sab saum toj mus rau hauv qab.
Kev tiv thaiv.Saib xyuas txhua txoj haujlwm. Cov khoom vaj khoom tsev hloov nrog kub, av noo, thiab cov khoom siv. Kho qhov kev vibration kom haum. Qhia cov neeg tsav tsheb kom paub txog lub suab ntawm kev co kom raug.
Qhov yuam kev 4: Kev tsim tawm ntxov ntxov
Dab tsi mus tsis ncaj ncees lawm.Cov pob zeb ua pob zeb xav tau lub sijhawm kom muaj zog txaus ua ntej ejection. Yog tias pwm qhib ntxov dhau, lub thaiv tsis tuaj yeem txhawb nqa nws tus kheej qhov hnyav. Nws sags, bulges, los yog tawg. Qhov teeb meem yog qhov phem dua nrog cov hollow blocks vim tias cov phab ntsa nyias nyias muaj zog txawm tias thaum ntxov.
Yuav txheeb xyuas li cas.Cov kab nrib pleb los ntawm kev ua kom ntxov ntxov tshwm sim raws li kab ntsug ntawm sab ntsej muag ntawm lub thaiv. Lub thaiv kuj tseem tuaj yeem pom me ntsis deformation lossis tsis muaj cov npoo ntse. Hollow blocks tej zaum yuav muaj cov kab nrib pleb los yog tawg.
Qhov kho.Nce lub sij hawm demolding. Khiav kev ntsuam xyuas los ntawm ejecting blocks ntawm lub sijhawm sib txawv thiab tshuaj xyuas lawv rau kev puas tsuaj. Lub sijhawm raug yog nyob ntawm qhov sib xyaw ua ke, qhov kub thiab txias, thiab lub tshuab teeb tsa. Nyob rau hauv huab cua sov nrog ib tug nplua nuj mix, 30-45 vib nas this yuav txaus. Nyob rau hauv huab cua txias nrog ntshiv sib tov, 2-3 feeb yuav xav tau.
Kev tiv thaiv.Siv ib puag ncig kho kom zoo. Hauv huab cua txias, xav txog kev siv dej sov hauv qhov sib tov lossis ntxiv cov accelerators. Khaws cov ntaub ntawv ntawm lub sijhawm demolding thiab tsis lees txais cov nqi los tsim cov txheej txheem rau cov xwm txheej sib txawv.
Ua yuam kev 5: Hnav los yog misaligned Pwm Cheebtsam
Dab tsi mus tsis ncaj ncees lawm.Pwm hnav dhau sijhawm. Core pins hloov. Cavity phab ntsa erode. Thaum cov khoom sib xyaw tsis haum ua ke kom zoo, lawv tsim cov ntsiab lus kev ntxhov siab ntawm qhov thaiv thaum ejection. Ib tus pin tseem ceeb uas tawm los ntawm txawm tias 1mm tsim cov phab ntsa tsis sib xws. Lub nyias sab tawg nyob rau hauv nws tus kheej shrinkage kev nyuaj siab.
Yuav txheeb xyuas li cas.Tshawb xyuas cov blocks. Yog tias cov kab nrib pleb tshwm tsuas yog nyob rau ntawm ib sab ntawm lub hollow cores los yog tsis tu ncua nyob ze ntawm cov pwm tshwj xeeb, cov khoom hnav los yog misalignment yuav zoo li. Sib piv cov blocks los ntawm cov kab noj hniav sib txawv hauv tib lub pwm. Yog hais tias ib lub kab noj hniav tsis tu ncua tsim cov blocks tawg thaum lwm tus tsis ua, cov kab noj hniav tshwj xeeb muaj qhov teeb meem.
Qhov kho.Hloov cov core pins tam sim ntawd. Realign cov khoom xoob. Rau cov kab noj hniav uas hnav, cov pwm yuav xav tau kev kho dua tshiab lossis hloov. UNIK muaj re-machining thiab re-heat- kev kho mob rau cov pwm hnav.
Kev tiv thaiv.Tsim kom muaj lub sijhawm kuaj pwm tsis tu ncua. Txheeb xyuas tus pin core alignment txhua lub lim tiam. Ntsuas qhov ntsuas qhov tseem ceeb txhua hli. Khaws cov ntaub ntawv ntawm lub voj voog suav rau txhua lub pwm kom koj paub tias thaum twg cov khoom yuav ncav cuag lawv qhov kev cia siab. Ib qhov dej- tuav UNIK pwm feem ntau xa 80,000 mus rau 100,000 lub voj voog ua ntej hnav tseem ceeb tshwm sim.
Muab Tag Nrho Ua Ke: Daim Ntawv Teev Tiv Thaiv Kev Tiv Thaiv
Ua ntej txhua qhov kev tsim tawm, xyuas cov khoom no:
Sib xyaw tsim- Cov ntsiab lus dej muaj tseeb. Aggregate muab qhab nia zoo. Consistency ruaj khov.
pwm mob- Lub kaum ntse ntse. Cavity nto du. Core pins aligned. Tsis pom kev hnav lossis kev puas tsuaj.
Kev teeb tsa tshuab- Kev vibration amplitude thiab lub sijhawm tsim nyog rau kev sib xyaw. Demolding lub sij hawm txaus.
Kev cob qhia neeg ua haujlwm- Cov neeg ua haujlwm tuaj yeem paub txog lub suab vibration zoo. Cov neeg ua hauj lwm paub demolding lub sij hawm yuav tsum tau rau tej yam kev mob tam sim no.
Thaum cov kab nrib pleb tshwm, ua haujlwm rov qab los ntawm cov npe. Qhov ua rau yuav luag ib txwm yog ib qho ntawm tsib yam no. Nyob rau nws ua ntej resuming tag nrho cov khoom.
Thaum qhov teeb meem yog Pwm
Yog tias koj tau kuaj xyuas cov qauv tsim, kev co, lub sijhawm demolding, thiab cov txheej txheem ntawm tus neeg teb xov tooj, thiab cov kab nrib pleb tseem tshwm sim, pwm nws tus kheej yuav yog qhov teeb meem. Cov pwm tsis zoo ua los ntawm cov hlau mos nrog cov kaum ntse ntse thiab cov kev ua tiav ntxhib yuav ib txwm tsim cov blocks tawg.
UNIK tau tsim cov tshuab cib thiab pwm txij li xyoo 2008. Lub tuam txhab xa tawm mus rau 28 lub teb chaws thiab tau ua haujlwm rau African, Southeast Asian, Middle Eastern, thiab Lavxias teb sab kev lag luam rau ntau tshaj 15 xyoo. UNIK pwm siv 42CrMo steel, carburizing tshav kub kho, radiused fab, thiab Ra 1.6 nto tiav raws li tus qauv.
Rau cov neeg siv khoom muaj kev pheej hmoo tawg, UNIK muab cov kev pabcuam kuaj pwm. Xa cov duab ntawm koj cov blocks tawg thiab koj cov kab noj hniav pwm, thiab UNIK tuaj yeem txheeb xyuas seb cov pwm puas yog qhov ua rau.
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