Thaum cov kws tshaj lij qhia cov hlau casting qhov chaw rau hydraulic manifolds, twj tso kua mis vaj tse, los yog winch system shafts, lawv tsis tsuas yog xaj hlau - lawv tab tom twv ntawm qhov ruaj khov nyob rau hauv 350-bar siab, microstructural zoo sib xws thoob plaws 500-unit batches, thiab xoom kam rau porosity hauv load-bearing flanges. Tias yog vim li cas muab los ntawm qhov tseeb hlau casting qhov chaw Hoobkas-tsis yog ib qho chaw tsim khoom lag luam - tsis yog sib tham. Peb tau pom peb tus qauv ua tsis tiav los ntawm ib tus neeg muag khoom vim tias lawv cov txheej txheem xuab zeb tsis tuaj yeem tuav ± 0.15 hli ntawm lub tog raj kheej 280-mm. Lwm tus neeg tau muab pov tseg 17% ntawm cov khoom xa tuaj tom qab kev kuaj ultrasonic qhia pom cov subsurface shrinkage nyob ze thaj chaw kho cua sov. Cov no tsis yog rooj plaub ntug. Lawv yog cov nqi ntawm kev xaiv ntim tshaj metallurgical kev qhuab qhia.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. daws qhov no los ntawm kev kho txhua qhov hlau casting raws li kev sib dhos ua haujlwm - tsis yog cov khoom lag luam. Raws li nyob rau hauv Qingdao, nws cov ISO-raws li qhov chaw khiav thaum uas tig mus peev thiab xuab zeb casting kab calibrated tshwj xeeb rau ASTM A48 Class 35, ASTM A, thiab kev cai pearlitic ductile irons. Tsis zoo li cov khw muag khoom uas kho chemistry tsuas yog thaum pib yaj, lawv cov neeg ua haujlwm rau hauv qhov cub ua piv txwv txhua 250 kg ntawm ladle ncuav, txheeb xyuas cov pa roj carbon sib npaug (CE) hauv ± 0.03 ntsiab lus thiab silicon cais ≤0.12%. Vim li cas qhov ntawd tseem ceeb? Vim tias CE drift dhau ± 0.05 ncaj qha cuam tshuam rau machining-induced microcracking nyob rau hauv piston twj tso kua mis lub tog raj kheej vaj tse - thiab peb tau ntsuas nws ntawm rau cais ntau lawm khiav.
Lawv ntsug kev koom ua ke tshem tawm cov feem ntau tsis ua hauj lwm point: handoffs ntawm casting thiab machining. Cov neeg muag khoom feem ntau outsource CNC ua haujlwm, poob tswj kev ntxhov siab lub sij hawm thiab thermal keeb kwm. QINGDAO QIANGSENYUAN tshuab castings nyob rau hauv 48 teev ntawm shakeout, siv annealed blanks tuav ntawm 620 ° C rau 4 teev ua ntej ntxhib milling. Qhov no tsis yog txoj kev xav - nws yog li cas lawv tuav roundness ntawm 0.012 hli ntawm 120-mm-inch siab valve lub cev, txawm tias cov phab ntsa thickness txawv ntawm 18 hli mus rau 42 hli. Lawv cov mills multi-axis tuav undercuts, helical grooves, thiab counterbores nyob rau hauv ib qho kev teeb tsa-tseem ceeb thaum koj lub hauv paus twj tso kua mis yuav tsum muaj yim M24 threaded qhov raws li GD&T txoj hauj lwm kam rau ua ntawm 0.05 hli txheeb ze rau lub dav hlau datum tsim nyob rau hauv li-cast nto.
Cov ntaub ntawv traceability tsis yog cov ntaub ntawv-nws yog laser-etched batch IDs ntawm txhua qhov chaw, txuas nrog cov ntaub ntawv pov thawj, cov ntaub ntawv txheeb xyuas, thiab cov ntawv ntsuas tensile tau khaws cia rau 10 xyoo. Thaum ib lub European OEM xav tau cov ntaub ntawv pov thawj tias cobalt-alloy nozzles tau ntsib AMS 5387 hardness specs tom qab nitriding, QINGDAO QIANGSENYUAN rub lub caij kub-kho qhov tseeb txij lub Peb Hlis 2023, qhia lub sij hawm ntub dej, ramp tus nqi, thiab tom qab txias nyob rau hauv-tag nrho cov pov thawj tiv thaiv lawv nyob rau hauv-cal Rockwellrated C tester txhua hnub. Tsis muaj lwm tus neeg ua haujlwm lab. Tsis muaj kev ncua. Tsuas yog cov ntaub ntawv koj tuaj yeem xa nrog ib feem.
Qhov kev tswj hwm qib no muab cov txiaj ntsig tau pom zoo: 98.3% thawj-dhau tawm los ntawm engineering tsheb winch center ncej chais, 12-lub lim tiam ua lub sijhawm rau 200-unit xaj ntawm T800-raws li hlau-cobalt hybrid castings, thiab xoom teb tsis ua haujlwm hauv roj & roj downhole valve daim ntawv thov txij li xyoo 2021 'Tir. Lawv tsis nrum tsheb nres calipers lossis cookware. Lawv nrum dab tsi txav cov kua dej, tiv taus yaig, thiab muaj sia nyob ntawm kev poob siab. Yog tias koj daim ntawv thov xav tau hlau uas ua tau zoo - tsis yog tsuas yog sau cov duab kos - pib nrog lub Hoobkas uas kho metallurgy zoo li cov cai: meej, tshawb xyuas, thiab ua kom zoo dua qub.
