Foundry casting tsis yog tsuas yog nchuav hlau molten rau hauv pwm. Nws yog qhov twg cov ntaub ntawv tshawb fawb tau ntsib qhov kev qhuab qhia-thiab qhov twg ib qho yuam kev hauv kev tsim qauv, kev xaiv alloy, lossis tus nqi txias tuaj yeem raug nqi ntau lub lis piam hauv kev ua haujlwm, tsis yog nyiaj xwb. Ntawm QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., peb tau nrum tshaj 12,000 lub siab valve tsev thiab piston twj tso kua mis txij li thaum 2018-txhua tus tuav nruj tolerances nyob rau hauv 0.05 hli thiab ciaj sia taus 300+ bar hydraulic cycles. Qhov kev paub ntawd tau qhia peb qee yam tseem ceeb: precision foundry casting pib ntev ua ntej lub cub tawg teeb.
Tsim rau Castability - Tsis yog rau Kev Ua Haujlwm
Cov kws tshaj lij feem ntau ua kom zoo dua qhov chaw rau kev sib dhos lossis kev faib tawm kev ntxhov siab - tom qab ntawd tso cov duab kos uas xav kom cov casters "ua kom nws ua haujlwm." Tab sis xuab zeb thiab peev casting muaj zog lub cev txwv. Peb ib zaug tau txais CAD cov ntaub ntawv rau lub tsev cobalt-alloy twj tso kua mis nrog 2.3-mm phab ntsa seem thiab sab hauv ribs spaced 4.7 mm sib nrug. Qhov tawg tau tawg thaum lub sij hawm shakeout - tsis yog los ntawm cov dej tsis zoo, tab sis vim tias cov thermal gradients tau dhau lub qhov rais solidification ntawm AMS 5387. Peb rov tsim kho cov tav geometry, ntxiv thaj chaw txias txias, thiab hloov txoj kab sib cais los ntawm 8 degrees. Tawm los ntawm 62% mus rau 98%.
Cov tshev tseem ceeb peb khiav ua ntej hais:
- Yam tsawg kawg nkaus thickness≥4.5 hli rau hlau castings, ≥3.2 hli rau cobalt-nickel alloys zoo li T800
- Radius-rau-wall ratio: Sab hauv cov ces kaum yuav tsum yog ≥0.6 × nyob ib sab phab ntsa kom tsis txhob kub kua muag
- Undercut kam rau ua: Xuab zeb pwm zam ≤15 ° cua ntsawj ntshab; Cov qauv peev xav tau ≥0.5 ° ib sab-los yog CNC-machined cores
- Feature cais: Tsis txhob nyias, cais tus thawj coj lossis flanges - lawv txias sai dua, rub tawm ntawm cov khoom siv ntau, thiab qhib txoj hauv kev micro-shrinkage
Yog tias koj GD&T hu rau txoj haujlwm muaj tseeb ntawm lub ntsej muag ncaj qha mus rau hauv pwm, paub meej tias qhov chaw ntawd puas yuav raug tshuab tom qab nrum. Peb tshuab 87% ntawm peb cov hlau thiab hlau castings mus rau qhov kawg spec-vim li-cam khwb cia qhov chaw tsis tshua muaj tuav ± 0.1 hli txoj hauj lwm raug hla 300 hli.
Alloy xaiv hloov txhua yam - tshwj xeeb tshaj yog thaum koj tsis tuaj yeem tshuab nws tom qab
Cobalt-nickel alloys zoo li AMS 5387 lossis T800 tsis raug xaiv rau kev zoo nkauj. Lawv tau teev tseg thaum yaig tsis kam, creep zog siab tshaj 650 ° C, los yog tsis-magnetic kev ua tau zoo teeb meem-xws li roj & roj downhole nozzles los yog high-speed winch center ncej chais. Tab sis cov khoom qub no ua rau lawv nyuaj rau lub tshuab tom qab casting. Ib qho T800 ntsaws yuav siv sijhawm 11.2 teev ntawm kev sib tsoo ntau qhov siv PCD cov cuab yeej thiab cov khoom siv cua txias. Yog li yog hais tias ib feem geometry tso cai, peb integrate machining rau hauv cov txheej txheem casting nws tus kheej-ntxiv qhov chaw dowel qhov, nto datum pads, los yog ib nrab bore preforms ncaj qha mus rau hauv lub peev qauv.
Peb muab tag nrho cov superalloy ingots nrog tag nrho cov ntawv xeem zeb (MTRs) traceable rau cov xov tooj cua sov thiab tshuaj ntsuam xyuas. Tsis muaj batch nkag mus rau hauv lub cub tawg yam tsis muaj spectrographic pov thawj. Vim li cas? Vim tias qhov sib txawv ntawm 0.03% hauv cov ntsiab lus carbon hauv T800 hloov nws qhov hardness ntawm 32 HRC mus rau 41 HRC - txaus los tawg cov carbide ntxig nruab nrab-txiav.
Qhov Zoo Tsis Tshuaj Xyuas Hauv - Nws Ua Hauv, Txheej los ntawm Txheej
Feem ntau cov foundries tshuaj xyuas cov castings ntawm peb lub ntsiab lus: cov khoom tuaj, qhov loj me tom qab shakeout, thiab zaum kawg kev pom. Peb ntxiv plaub ntxiv:
- Pwm kev ncaj ncees scan: X-ray tomography ntawm 100% ntawm peev plhaub pwm ua ntej dewaxing
- Ncuav qhov kub thiab txias: Real-time thermocouple cov ntaub ntawv synced rau txhua tus xov tooj cua sov
- Sectional hardness daim ntawv qhia: 12-point Rockwell C nyeem hla ntu ntu ntawm txhua qhov ntau
- Ua haujlwm hydrotest: Txhua lub cev lub siab lub cev tau txais 1.5 × rated siab tuav rau 120 vib nas this-nrog rau kev kuaj pom rhiab heev rau 0.003 cc / min
Peb khaws tag nrho traceability - tsis yog rau kev soj ntsuam xwb, tab sis vim hais tias thaum ib tug neeg qhia txog ib tug qaug zog tawg ntawm 14,200 lub sij hawm ua hauj lwm, peb muaj peev xwm rub tus thawj ncuav log, txias nkhaus, thiab tom qab tshav kub-kho daim ntawv qhia hardness nyob rau hauv 90 vib nas this. Qhov ceev ntawd cais cov cag-ua rau kho los ntawm kev kwv yees.
Vim li cas Hybrid Casting + Machining Beats Ib leeg
Qee lub khw kho cov casting thiab CNC raws li cov kauj ruam. Peb kho lawv raws li kev qhuab qhia sib cuam tshuam. Peb lub tog raj kheej lub tog raj kheej pib raws li cov xuab zeb-cam khwb cia hlau blanks-tab sis lub bore nto tsis tiav los ntawm kev tig. Nws yog cam khwb cia nrog ib tug 0.8 hli oversize pub, ces honed * nyob rau hauv tib lub fixture * siv rau zaum kawg CNC milling ntawm mounting lub ntsej muag thiab chaw nres nkoj threads. Qhov ntawd tshem tawm qhov teeb meem-induced datums hloov-thiab tuav concentricity ntawm bore ID thiab flange OD rau 0.015 hli hla 280 hli ntev.
Qhov kev ua haujlwm hybrid no tso cai rau peb xa cov khoom xws li engineering tsheb winch ncej rollers nrog cov ntaub ntawv hauv av * thiab * raws li-cam khwb cia iav hniav - ob qho tib si ntsib ISO 2768-mK dav dav, tsis tau sib koom ib zaug thermal keeb kwm thiab cov khoom siv nplej. Tsis muaj kev kho cua sov thib ob. Tsis muaj kev pheej hmoo distortion. Tsuas yog ib qho kev tsim khoom txaus, ib daim ntawv teev npe zoo, ib hnub xa khoom.
Foundry casting ua tiav thaum metallurgy, geometry, thiab kev tsim cov hom phiaj sib haum - tsis yog thaum lawv sib tham sib cais. Ntawm QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., peb tsis yog cam khwb cia hlau. Peb muab kev ntseeg siab-hauv qhov kev ruaj ntseg, kev ncaj ncees ntawm cov qauv, thiab kev ua haujlwm rov qab los ntawm kev kub siab. Txawm hais tias koj tab tom qhia txog lub hauv paus stainless hlau twj tso kua mis lossis tsim nyog rau cobalt alloy nozzle rau kev pabcuam huab cua, txoj cai casting qhov chaw tus khub tsis tos koj daim duab. Lawv pab sau ntawv.
