Thaum cov kws tshaj lij qhia cov khoom siv hluav taws xob zoo rau cov tshuab hydraulic, cov roj av li qub, lossis cov khoom siv ua haujlwm hnyav, lawv tsis yog xaiv cov khoom siv xwb - lawv tab tom twv ntawm qhov ruaj khov nyob rau hauv 300+ bar siab, qaug zog tiv thaiv tom qab 10⁶ load cycles, thiab xoom kam rau micro-shrinkage nyob rau hauv qhov tseem ceeb sealing nto. Tias yog vim li cas cov thawj coj OEMs nyob rau hauv North America thiab Europe tsis muab cov khoom siv hluav taws xob cov khoom siv hluav taws xob cov khoom lag luam koom tes los ntawm cov ntawv teev npe - lawv tshawb xyuas cov txheej txheem kev tswj hwm, txheeb xyuas qhov sib xws ntawm cov cua sov, thiab siv tau cov khoom siv hluav taws xob uas cuam tshuam kev ntxhov siab ua ntej kos npe POs.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ua haujlwm ib qho chaw - ISO-certified, xuab zeb-thiab-kev nqis peev casting-muaj peev xwm, nrog CNC hlwb calibrated rau ± 2 µm repeatability ntawm nta hauv qab 0.5 hli phab ntsa thickness. Peb tau ua ntau tshaj 17,000 lub tsev hlau rau piston twj tso kua mis txij li xyoo 2019. Nyob rau hauv txhua txhua batch, peb ntsuas nodular suav (ASTM A247), tensile zog (tsawg kawg 415 MPa), thiab elongation (≥10%) - tsis yog ib zaug ib tug ntau, tab sis ntawm peb axial txoj hauj lwm ib tug casting. Vim li cas? Vim hais tias ib cheeb tsam hauv qab nodular nyob rau hauv lub tog raj kheej tsev flange tuaj yeem pib qaug zog tawg tawm ntawm 180 rpm ua haujlwm tas li. Peb tau pom nws tshwm sim. Thiab peb tau rov tsim kho lub rooj vag kom tshem tawm nws.
Vertical kev koom ua ke cais cov neeg muag khoom txhim khu kev qha los ntawm cov neeg muag khoom muag. Ntawm QINGDAO QIANGSENYUAN, ductile hlau castings yeej tsis tawm ntawm qhov chaw mus txog thaum kawg tshuaj xyuas. Cov khoom siv raw tuaj txog ua ntej tau ntawv pov thawj: FCD450 lossis FCD600 qib hlau, traceable rau lub cub tawg kub thiab kev tsom xam ladle. Casting tshwm sim nyob rau hauv huab cua-tswj molding bays; cores yog ci rau qhov tseeb noo noo specs (≤0.8%); shakeout lub sij hawm yog teev nyob rau hauv ib lub voj voog casting. Tom qab ntawd los machining - tsis yog ib kauj ruam cais, tab sis raws li kev tswj xyuas thermal txuas ntxiv ntawm cov txheej txheem. Peb tuav nruj GD&T callouts ntawm concentricity (± 0.015 hli) thiab nto tiav (Ra ≤1.6 µm) ntawm sealing ntsej muag vim misalignment ntawm lub rooj zaum valve thiab ductile hlau lub cev ncaj qha cuam tshuam rau to leakage npaum li cas hauv API 598 xeem. Cov neeg muas zaub xa peb cov duab kos nrog txoj hauj lwm kam rau ua nruj dua lawv cov khoom sib dhos - thiab peb ntsib lawv, tsis tu ncua.
Qee tus tuaj yeem sib cav hais tias cov khoom lag luam tawm sab nrauv muaj qhov tsis txaus ntseeg cov saw hlau. Tab sis kev ntseeg tsis tau txhais los ntawm geography - nws yog pov thawj nyob rau hauv metallurgical sib xws. Thaum lub twj tso kua mis nyob sab Europe OEM hloov mus rau peb cov khoom siv hluav taws xob cov khoom siv hluav taws xob rau AMS 5387 cobalt-alloy twj tso kua mis rotors * thiab * sib piv cov khoom siv hlau, lawv yuav tsum muaj qhov sib npaug thermal expansion coefficients thoob plaws ob qho khoom. Peb koom tes tsim kev cai inoculation raws tu qauv nrog peb cov khoom siv raw khoom-ntxiv qhov tsis tshua muaj-lub ntiaj teb-hloov ferrosilicon ntawm cov yaj yaj kub-kom hloov graphite nodule morphology yam tsis muaj kev cuam tshuam lub zog tensile. Qhov tshwm sim? Coefficient sib tw hauv 0.3 × 10⁻⁶ / ° C hla 20-200 ° C ntau yam. Tsis muaj rework. Tsis muaj qhov ua tsis tiav. Tsuas yog rov ua tau zoo.
Peb xa cov khoom siv hluav taws xob zoo tshaj plaws uas tsis ua haujlwm tsis yog qhov kev xaiv: lub siab li qub caij tsheb kauj vab 12 zaug hauv ib feeb rau 15 xyoo, winch center ncej chais txhawb nqa 8-tuj dynamic loads nyob rau hauv ntsev-txhaj tshuaj ib puag ncig, twj tso kua mis foundation anchoring 300 kW motors ntawm ntug dej hiav txwv platforms. Txhua feem nqa tag nrho cov ntaub ntawv traceability-cov xov tooj cua sov, tshuaj ntsuam xyuas, hardness test, CMM qhia txuas. Txhua qhov khoom xa tuaj suav nrog kev lees paub qhov ntev tiv thaiv cov neeg siv khoom-thawj-kab lus yuav tsum-tsis yog ISO generic tolerances. Yog tias koj daim ntawv thov xav tau ductile hlau mechanical qhov chaw Hoobkas muaj peev xwm kho ASTM A536 Qib 65-45-12 raws li qhov pib-tsis yog lub qab nthab-koj xav tau kev tswj xyuas qhov nodularity, kev paub txog txheej txheem casting-machining, thiab xoom-compromise QA cov ntaub ntawv. Qhov ntawd tsis yog lus lag luam. Nws yog daim ntawv spec peb muab rau cov neeg siv khoom ua ntej hais.
