Machined Peev Casting Parts

Machined peev casting qhov chaw ua ke poob - siv quav ciab silica sol casting nrog ntau -axis CNC thib ob xov. Qhov no dual - txheej txheem kev sib koom ua ke muab txoj hauv kev, ze rau -net- cov duab geometries thaum ntsib micron - theem qhov ntev kam rau ua rau cov yam ntxwv tseem ceeb.
• Silica Sol Investment Casting: Kov cov kev sib txuas sab hauv, cov ntaub ntawv -dawb nyias phab ntsa, thiab nyob ze -net shapes (Ra 3.2 µm).
• Multi-Axis CNC Machining: Muab kev ua haujlwm nruj (txog 0.005 hli), precision bore geometry, threads, thiab siab sealing lub ntsej muag flatness (0.01 hli).

Core Specifications ntawm ib saib

Txhua feem hla dhau los ntawm kev tswj hwm silica sol casting kab ua raws li kev ua haujlwm precision machining:
Wax Pattern Injection -> Tree Assembly -> Silica Sol Shell Building -> Multi-Layer Stucco Application -> Hydro-Demolding / Dewaxing -> High-Temp Shell Sintering (950°C–1100°C) -> Induction Furnace Melting -> Shell Knock-Out & Shot Blasting -> Post-Cast Heat Treatment -> 3/4/5-Axis CNC Machining -> NDT & Final CMM Inspection ->Ntim

Tooling & Wax Pattern Txhaj Tshuaj
Aluminium tuag yog CNC-machined los ntawm 7075-T6 txhuas rau account rau volumetric shrinkage tus nqi (1.5% - 2.8%, nyob ntawm seb alloy qib). Hloov pauv paraffin / polyethylene wax yog txhaj rau hauv qhov ntsuas kub (62℃- 65 degree, siab 2.5 - 3.5 MPa) kom tswj tau cov qauv rov ua dua hauv ± 0.05 hli.

Ntoo Assembly & Gating System Design
Cov qauv siv quav ciab yog mounted rau ntawm lub hauv paus khiav ntoo. Gating systems yog configured siv solidification simulation software (ProCAST) los tsim kev taw qhia solidification, tshem tawm sab hauv shrinkage kab noj hniav nyob rau hauv hnyav seem hloov.

Silica Sol Ceramic Plhaub Tsev
Cov qauv yog dipped rau hauv cov kua silica sol binder thiab slurried nrog refractory zircon hmoov (thawj txheej) thiab fused silica (thib ob txheej):
• Lub ntsej muag lub ntsej muag: Zircon hmoov (325 mesh) nrog silica sol binder kom nthuav dav thiab thermal kuj.
• Cov txheej txheem thaub qab: 4 - 6 txheej txheej ntawm mullite xuab zeb, qhuav nyob rau hauv ambient tswj (22℃± 2 degree, Humidity 55% - 65%).
• Plhaub Cov Khoom: Kub kub-yield zog, tiv thaiv thermal shock thaum lub sij hawm pouring yam tsis muaj cracking los yog reacting nrog molten hlau.

Dewaxing & High -Tsub Plhaub Sintering
• Autoclave Dewaxing: Steam dewaxing ntawm 160℃-175℃thiab 0.8 MPa siab sai evacuates tshaj 98% ntawm cov qauv siv quav ciab yam tsis muaj cracking lub ceramic plhaub.
• Plhaub Sintering: Ceramic shells raug rho tawm haujlwm nyob rau hauv teb los yog lub thawv rauv ntawm 950℃- 1100℃rau 45 - 90 feeb. Qhov no kub hnyiab tawm cov organic teeb meem, sinters ceramic hais, thiab preheats pwm kom optimize hlau fluidity thaum lub sij hawm ncuav.

Induction Melting & Pouring
Cov hlau yog melted nyob rau hauv nruab nrab - zaus induction furnaces (100 kg - 500 kg muaj peev xwm). Spectrographic thermal kuaj yog kos los ntawm cov kua da dej ua ntej coj mus rhaub kom paub tseeb cov tshuaj muaj pes tsawg leeg. Ncaj nraim hauv qab- ncuav los yog qaij- ncuav ladles hloov hlau molten rau hauv preheated pwm ntawm lub hom phiaj pouring kub (1480℃- 1620℃rau stainless hlau).

Knock-Tawm, Fettling, thiab ntxuav
Tom qab cua txias, cov plhaub ceramic raug tshem tawm ntawm pneumatic khob- tawm rauj thiab siab - dej blasting. Cov rooj vag thiab risers raug txiav los ntawm cov saw saws lossis cov plasma cutters, ua raws li kev sib tsoo pedestal kom yaug lub qhov rooj stubs.

Standard Material Matrix

Dimensional thiab Surface Capability
• Raws li -Cast Surface: Ra 3.2 µm rau Ra 6.3 µm
• CNC Machined Surface: Ra 0.8 µm rau Ra 1.6 µm
• Av Finish: Ra 0.2 µm rau Ra 0.4 µm
• Raws li -Cast Tolerance: ISO 8062-3 CT4 rau CT6
• Machined kam rau ua: ISO 2768-m (General) / Mus txog ± 0.005 hli (Critical Bores)

Ze ntawm -Net Complex Geometry:Sab hauv cov kua dej, cov hnab ris hauv qab, thiab cov phab ntsa nyias nyias mus rau 1.5 hli raug muab pov ncaj qha rau hauv qhov khoob. Cov khoom siv raw khoom raug txo los ntawm 40% - 70% piv rau tag nrho cov khoom siv los ntawm cov khoom lag luam lossis cov khoom lag luam.

Zero Draft Angle Peev Xwm:Tsis zoo li poob forging lossis tuag casting, peev casting tso cai rau xoom- cov phab ntsa sib luag ntawm cov uas tsis yog- ua haujlwm sab nrauv, tshem tawm cov khoom hnyav.

Integrated Machining Datums:Cast Cheebtsam yog engineered nrog cam khwb cia- nyob rau hauv nrhiav tus thawj nto, ua kom rov qab fixture clamping thaum lub sij hawm ncej- nrum 4-axis thiab 5-axis CNC machining cov kauj ruam.

Monolithic Assembly Redesign:Ntau -ib feem welded sib dhos tuaj yeem rov ua dua - engineering rau hauv ib zaug -daim peev castings nrog lub zos CNC ua tiav ntawm lub ntsej muag mating, tshem tawm cov kev pheej hmoo ntawm kev sib koom ua ke thiab cov nqi kuaj xyuas vuam.

Flow Control & Valve Hardware
• Cheebtsam: Dual-expansion valve lub cev, tri-clamp huv valve vaj tsev, pob valve cores, npauj npaim valve discs.
• Cov Ntsiab Lus Tseem Ceeb: Kev tswj xyuas siab raws li ASME B16.34, hydro- kuaj rau 1.5x txias ua haujlwm siab; xoom pinhole to; profile kam rau ua ntawm foob grooves hauv 0.02 hli.

Hloov dej & Pump Systems
• Cheebtsam: kaw thiab qhib impellers, volute casings, diffuser rings, hnav rings.
• Cov Lus Qhia Tseem Ceeb: Dynamic ntsuas raws li ISO 1940-1 Qib G2.5; du cam khwb cia sab hauv ntws raws (Ra 3.2 µm) los tiv thaiv cavitation thiab kua dej rub.

Automotive & Commercial Tsheb
• Cov Cheebtsam: Turbocharger wastegate actuators, tso pa tawm manifold flanges, gear shifter diav rawg, cav brackets.
• Cov Lus Qhia Tseem Ceeb: Cov thermal shock qaug zog siab (316L / 1.4848); nruj tus pin-dov tolerances (H7 haum).

Khoom noj khoom haus & Pharmaceutical Equipment
• Cheebtsam: Homogenizer blocks, sib tsoo daim hlau, huv si twj impellers, filling nozzles.
• Cov Lus Qhia Tseem Ceeb: Stainless hlau qib 316L (CF3M) nrog electropolished nto (Ra Tsawg dua lossis sib npaug ntawm 0.4 µm); tsis yog- cov qauv ntxeem tau ua raws li FDA / 3-A cov lus qhia huv.

Tshuab Tooling & Muaj peev xwm
• Vertical & Horizontal Machining Centers (VMC/HMC): 10 lub chaw ua haujlwm (xws li 4-axis rotary indices thiab pallet changers rau kev tsim khoom tas mus li).
• CNC Lathes & Turning Centers: 20+ CNC tig qhov chaw ua kom tiav qhov sib npaug ntawm 0.005 hli.
• EDM & Qhov Drilling: Hlau EDM rau txoj kev sib tw spline thiab siab -precision sab hauv keyways.

Muaj Kev Ua Haujlwm Thib Ob
• Machining Scope: Tig, Facing, tho txawv, xov tapping (UNC/UNF/Metric/NPT), Milling, Broaching, Hlau EDM, Precision Sib Tsoo.
• Kev kho cua sov ua haujlwm:
Kev daws Annealing: Stainless hlau (1040℃- 1120℃ua raws li cov dej ceev ceev) kom rov qab ua haujlwm corrosion.
Normalizing & Stress Relieving: Cov pa roj carbon / alloy steels los txo cov kev ntxhov siab sab hauv ua ntej ua tiav machining.
Quenching & Tempering (Q&T): Cov pa roj carbon thiab qis - alloy steels kom ua tiav lub hom phiaj Hardness (28 - 45 HRC).
Induction Hardening: Localized nto hardening ntawm lub ntsej muag (txog 58 - 62 HRC).

Surface Finishing & Coatings:
• Passivation (ASTM A967) rau stainless hlau corrosion kuj.
• Electropolishing & Manual Polishing (txog daim iav tiav Ra ​​0.1 µm).
• Electro-plating (Zinc, Nickel, Chrome).
• Hmoov Txheej & Epoxy ntub xim xim.
• Txhaum Blasting & Tumbling kom zoo li matte tiav.

Chemical & Physical Metallurgical Verification
• Direct-Reading Optical Emission Spectrometer (OES): Txheeb xyuas chemistry rau ib qho nqi hluav taws xob ua ntej nchuav. Daim ntawv pov thawj kub (EN 10204 3.1) nrog rau txhua qhov khoom xa tuaj.
• Metallographic Microscope: Txheeb xyuas cov theem microstructure piv (xws li, cov ntsiab lus ferrite hauv duplex steels, nodular graphite faib).
• Mechanical Testing: Universal tensile testing (yield zog, tensile zog, elongation), Charpy V-notch impact testing at ambient or low temperature (down to -46 degree), and hardness testing (HBW, HRC, HV).

Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT)
• Dye Penetrant Inspection (PT): Txheeb xyuas qhov tsis sib xws ntawm qhov chaw (kawg, laps, nto porosity) hauv cov khoom tsis yog -ferrous thiab stainless (ASTM E1417 tus qauv).
• Kev soj ntsuam Magnetic Particle (MPI / MT): txheeb xyuas cov sub- qhov chaw tsis zoo hauv ferromagnetic alloy Cheebtsam (ASTM E1444 tus qauv).
• Kev Ntsuas Radiographic (RT / X-Ray): Tshawb xyuas cov pa roj hauv lub ntsws thiab suav nrog rau ASTM E192 siv xov tooj cua raws li cov neeg siv khoom xav tau.
• Kev Ntsuas Hydrostatic Siab: Txog li 10 MPa (100 bar) kom paub meej tias lub valve thiab lub twj tso kua mis lub tsev foob kev ncaj ncees yam tsis muaj phab ntsa quaj.

Dimensional Metrology
• Coordinate Measuring Machine (CMM): Volumetric CMM soj ntsuam xyuas cov yam ntxwv ntawm GD&T (Qhov Tseeb, Concentricity, Flatness, Runout) tiv thaiv 3D CAD qauv cov kauj ruam cov ntaub ntawv.
• Surface Roughness Testers: Digital contact stylus meters to document Ra, Rz, and Rt values ​​on machined faces.

Workflow Txheej txheem cej luam
Engineering File Transfer (STEP/IGES/DWG) -> DFM & Casting Simulation -> Tooling Design & Sample Build -> First Article Inspection (FAI) + PPAP Level 3 -> Customer Approval ->Serial Batch Production & Nruam Machining

Tooling Ownership & Engineering Support
• Tooling Ownership: Tooling/pwm tsim rau cov neeg muas zaub tej yaam num nyob twj ywm 100% cov neeg siv khoom. Pwm tau khaws cia, muaj ntawv pov hwm, thiab khaws cia hauv huab cua-tswj racks ntawm xoom tus nqi them rau qhov kev pab cuam lub neej.
• Tsim rau Manufacturability (DFM): Engineering teams xyuas cov neeg siv khoom luam tawm ua ntej pwm tsim los qhia kev ua kom zoo dua qub, phab ntsa thickness sib npaug, fillet radius nce, thiab nrhiav datum tso rau qis tag nrho daim -ib chav nqi.
• Sampling & PPAP Protocols: Thawj Tsab Ntawv Tshaj Tawm Kev Tshawb Fawb (FAIR) nrog rau 3D CMM cov ntaub ntawv kab kos yog muab nrog cov qauv kev pom zoo thawj zaug. PPAP Qib 3 cov ntaub ntawv (nrog rau Cov Txheej Txheem Flow Diagrams, PFMEA, Tswj Cov Kev Npaj, thiab Cov Ntsiab Lus Pom Zoo) yog muab rau kev pom zoo rau tsheb thiab kev lag luam.

Daim ntawv teev npe rau Sourcing Procurement Engineers
• 2D & 3D Vector Files:
3D CAD cov ntaub ntawv tawm tswv yim: .STEP, .STP, .IGES, .X_T
2D luam tawm nrog kev kam rau ua: .PDF lossis .DWG qhia qhov tseem ceeb ntawm qhov ntev, xov cov chav kawm, thiab cov hom phiaj ntawm qhov roughness.
• Khoom Specifications:
Cov qauv tsim tshwj xeeb alloy (xws li ASTM A351 CF8M, DIN 1.4408, 4140 Steel).
Qhia meej txog cov kev kho cua sov uas nyiam tshaj plaws (xws li Solution Annealed, Normalized, Q&T rau 30–34 HRC).
• Volume Projections:
Thawj tus qauv/prototype kom muaj nuj nqis.
Kev txiav txim batch loj thiab kwv yees siv txhua xyoo (EAU).
• Kev Tswj Xyuas Zoo & Kev Ntsuas Cov Txheej Txheem:
Cov ntaub ntawv pov thawj (EN 10204 3.1 daim ntawv pov thawj cov ntaub ntawv, CMM daim ntawv qhia qhov ntev, lub log hardness).
Tsis yog-kev ntsuas kev puas tsuaj (piv txwv li, 100% PT tshuaj xyuas, random 5% X- kev tshuaj xyuas hluav taws xob).
• Secondary Surface Treatment & Ntim:
Txheej specifications (piv txwv li, Electropolish Ra Tsawg dua los yog sib npaug ntawm 0.4 µm, Zinc Plating 8-12 µm, Passivation).
Kev ntim tshwj xeeb (VCI los tiv thaiv- lub hnab xeb, kev cai xa tawm ntoo crates, tus kheej ntawm tes faib).