Thaum cov kws tshaj lij qhia cov khoom siv rau cov twj hydraulic, roj av li qub, lossis lub tshuab ua haujlwm hnyav, "siab-siab ntev" tsis yog lub sijhawm ua lag luam - nws yog qhov yuav tsum tau sib tham tsis tau. Qhov sib txawv ntawm 0.01 mm nyob rau hauv lub rooj zaum cobalt alloy nozzle tuaj yeem ua rau kev yaig ntxov ntxov. 0.025 hli misalignment nyob rau hauv lub piston twj tso kua mis lub tog raj kheej vaj tse yuav ua rau muaj kev puas tsuaj siab poob. Tias yog vim li cas thoob ntiaj teb OEMs thiab Tier-1 cov neeg muab khoom lag luam tsis yog nrhiav rau ib qho cnc precision machining qhov chaw Hoobkas. Lawv tshawb nrhiav ib qho uas kho qhov ruaj khov ntawm qhov chaw, qhov sib xws ntawm metallurgical, thiab kev ua haujlwm tau zoo raws li kev qhuab qhia tsis sib xws.
Kev kam rau siab tiag tiag xav kom nthuav tawm cov txheej txheem sib txawv-ceev
Peb tau pom ntau zaus: ib tus neeg siv khoom xa GD&T-nplua nuj daim duab rau AMS 5387 cobalt alloy plug, cia siab tias ± 0.005 hli ntawm qhov tseem ceeb bores thiab txoj hauj lwm muaj tseeb hauv 0.01 hli. Thawj tus qauv dhau qhov kev tshuaj ntsuam pom-tab sis tsis ua tiav kev ntsuas ntawm 3,000 psi. Vim li cas? Vim tias tus neeg muag khoom siv lub tshuab luam ntawv * luam tawm, tsis yog * ua haujlwm *. Lawv hla kev txheeb xyuas keeb kwm thermal tom qab kev kho cua sov. Lawv siv cov txheej txheem carbide inserts ntawm T800 cobalt-based khoom-ua rau micro-chipping ntawm ntug radii. Peb tau ntes nws thaum peb ua haujlwm CMM scan ntawm qhov haujlwm thib ob. Qhov ntawd yog thaum kev tshuaj xyuas engineering hloov ntawm "Koj puas tuaj yeem ua tau?" rau "Yuav ua li cas peb lav nws ua tau zoo?"
Plaub txheej ntawm kev tswj - tsis yog plaub qhov kev pabcuam xwb
Muaj peev xwm ua siab ntev siab tsis tau muab tso rau saum lub tshuab ua haujlwm dav dav. Nws tau tsim rau hauv kev ua haujlwm-los ntawm cov ntaub ntawv pov thawj raw khoom mus rau qhov kawg ntawm kev ua haujlwm. Ntawm QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., qhov no txhais tau tias:
- Cov ntaub ntawv traceability ci hauv: Txhua AMS 5387 billet tuaj txog nrog tag nrho cov ntawv xeem ntawv. Peb hla chemistry tiv thaiv ASTM A494 thiab txheeb xyuas cov qauv nplej ntawm metallography ua ntej kev ua haujlwm ntxhib pib.
- Machining calibrated rau alloy cwj pwm: Rau T800 cobalt-nickel Cheebtsam, peb siv cryogenically kho PCD tooling thiab pub nqi kho ib hardness batch-tsis generic CNC cov kev pab cuam. Kev ncaj ncees saum npoo yog txheeb xyuas nrog dawb-lub teeb interferometry, tsis yog Ra nyeem.
- Casting-machining handoff tsim, tsis xav: Hlau thiab stainless hlau castings undergo stress-relief annealing * ua ntej * zaum kawg machining - yeej tsis tom qab. Vim li cas? Vim tias qhov kev ntxhov siab nyob hauv lub twj tso kua mis lub hauv paus casting yuav warp nyob rau hauv clamping quab yuam, pov tawm bore kev sib raug zoo. Peb ntsuas distortion ua ntej thiab tom qab kev nyuaj siab nyem siv optical 3D scanning.
- Qhov kawg validation khi rau daim ntawv thov physics: Lub tsev siab valve tsis tsuas yog tau txais daim ntawv qhia CMM. Nws tau txais kev ntsuam xyuas hydrostatic pov thawj ntawm 1.5 × rated siab, ua raws li kev tshuaj xyuas dye-penetrant ntawm txhua qhov chaw sib khi. Tsis muaj kev zam.
Vim li cas "kev cai" yuav tsum tsis yog "kev sib haum xeeb"
Qee lub khw kho cov khoom lag luam raws li cov khoom lag luam-slotted rau hauv lub sijhawm siv tshuab nrog cov neeg ua haujlwm me. Tus qauv ntawd tawg sai sai thaum koj qhov chaw yog qhov tsis yog qhov chaw nruab nrab ntawm cov menyuam rau lub tsheb engineering winch system: hardened rau HRC 58-62, nrog kev cuam tshuam kev txiav hla 12 hardened splines, thiab qhov yuav tsum tau ua tiav ntawm ≤0.4 μm Ra ntawm cov ntaub ntawv teev cov kabmob.
Peb muab cov haujlwm zoo li no rau cov hlwb-cov neeg ua haujlwm los ntawm cov neeg ua haujlwm tau txais kev cob qhia cobalt alloy cov txheej txheem, txhawb nqa los ntawm cov kws tshaj lij metrology tau lees paub rau ISO 17025, thiab txhawb nqa los ntawm pab pawg tsim qauv tau zoo hauv ASME Y14.5 thiab ISO 1101. Thaum North American twj tso kua mis OEM thov kom peb rov tsim kho lawv cov piston twj tso kua mis lub tog raj kheej kom zoo dua qub rau lub tog raj kheej kom zoo dua qub. peev-cam khwb cia + multi-axis machined tov. Peb khaws cia cov casting sab hauv cov cua txias raws (tsis yooj yim sua rau tshuab tom qab cam khwb cia) thaum ntxiv nruj-tolerance sab nraud mounting nta ntawm 5-axis milling. Lub sij hawm ua ntej poob 22%. Qhov hnyav nyob tib yam. Kev ua tau zoo tau nce 17% hauv cov kev ntsuas thermal cycling.
Dab tsi "tus khub ntseeg siab" tau muab - dhau qhov kev tsocai
Ib tus neeg koom tes txhim khu kev ntseeg tau hais txog kev pheej hmoo ntawm kev tsim khoom * ua ntej * txiav hlau - tsis yog tom qab hais. Peb xa rov qab cov duab kos nrog GD&T cov ntaub ntawv ua tau: "Qhov no qhov tseeb txoj haujlwm hu ua kev tsis sib haum xeeb nrog lub kaum sab xis ntawm lub kaum sab xis-qhia kom tshem tawm cov ntaub ntawv B mus rau qhov chaw ua haujlwm." Lossis: "T800 cov khoom siv hauv cov phab ntsa nyias no yuav xav tau kev txhawb nqa thaum lub sijhawm ua tiav; pom zoo kom ntxiv cov tav tav ib ntus (tshem tawm tom qab cua sov kho).
Qhov no tsis yog kev tawm tswv yim fluff. Nws yog kev zam nyiaj. Ib tus neeg European tau zam $ 84,000 nyob rau hauv seem los ntawm kev lees txais peb cov lus qhia kom hloov los ntawm cov xuab zeb casting mus rau peev casting rau lawv cov cobalt alloy nozzle lub cev - raws li cov ntaub ntawv sib txawv ntawm phab ntsa tuab los ntawm lawv cov khoom ua ntej. Lwm qhov tau txais kev cawmdim 3 lub lis piam los ntawm kev siv peb cov kev pom zoo kho cua sov ua ntu zus, uas tshem tawm cov kauj ruam thib ob.
Qhov kev qhuab qhia ntawd ntsuas. Txawm hais tias koj xav tau 3 tus qauv rau kev siv tau lossis 1,200 units / xyoo ntawm lub siab li qub, cov txheej txheem tshuaj xyuas zoo ib yam. Cov ntaub ntawv traceability nyob twj ywm tib yam. Tus kws tsim qauv tshuaj xyuas koj daim duab tau ua haujlwm ntawm AMS 5387 qhov chaw rau 11 xyoo - tsis yog 11 lub hlis.
Saib tom ntej: qhov twg precision ntsib kev kwv yees
Cov pem hauv ntej tom ntej tsis yog nruj dua rau ib leeg. Nws yog nruj dua kev koom ua ke ntawm cov khoom siv science, machining physics, thiab kev ua haujlwm zoo. Peb tab tom nthuav dav R & D ntawm hybrid casting-machining workflows rau cov twj tso kua mis sib dhos-thiab tsim kom muaj peev xwm sab hauv kom muaj peev xwm ua tau raws li kev xav ntawm lub neej qaug zog tiv thaiv cov ntaub ntawv kev pabcuam hauv ntiaj teb los ntawm cov neeg koom tes.
Yog tias koj daim ntawv thov xav tau sub-0.01 mm repeatability ntawm superalloys, zoo ib yam microstructure hla 500-unit batches, los yog xoom-defect xa mus rau lub hom phiaj tseem ceeb hydraulic Cheebtsam - koj xav tau ntau tshaj ib cnc precision machining qhov chaw Hoobkas. Koj xav tau tus khub uas nws txhais tau tias "precision" pib qhov twg daim duab xaus.
