Zoo tshaj Aluminium Rau CNC Machining: Alloy Guide & Nqi

Xaiv qhovzoo tshaj plaws aluminium rau CNC machiningyuav tsum muaj qhov sib npaug ntawm qhov muaj zog, qhov seem ntawm cov kev ntxhov siab (xws li T6 piv rau T651), nti morphology, thiab qhov yuav tsum tau ua kom tiav. ThaumAl6061-T651tseem yog tus txheej txheem hauv paus rau kev tsim qauv milled Cheebtsam,Al7075-T6muab lub siab tshaj plaws shear thiab tensile kev ua tau zoo rau aerospace loads ntawm tus nqi ntawm anodizing sib xws. Rau cov khoom tig yuav tsum tau luv luv chip breakage,Al2024-T351thiabAl2011-T3optimize lub voj voog sij hawm ntawm Swiss lathes, whereasMIC6 cam khwb cia hlau phajtshem tawm machining distortion hauv ultra-flat fixtures txawm tias qis tensile thiab xov zog.

Tag Nrho Tus Nqi Matrix ntawm Aluminium CNC Khoom Xaiv: Raw Tshuag vs. Lub Sij Hawm Lub Sij Hawm

Cov khoom siv raw khoom nruab nrab yog 15% txog 30% ntawm tag nrho cov kev siv nyiaj hauv cov txheej txheem precision CNC machining. Qhov seem 70% mus rau 85% yog txiav txim los ntawm lub sij hawm lub voj voog tshuab, txiav cov cuab yeej degradation, teeb tsa, thiab cov nqi seem uas tau tsav los ntawm qhov tsis txaus ntseeg. Xaiv ib qho tsis raug alloy lossis temper raws li cov khoom lag luam tus nqi ib kilogram ib txwm ua rau qhov project nqi overruns. Engineers uas tau txais txiaj ntsig zoo tshaj plaws los ntawm qhov kev tshuaj ntsuam no yog cov uas twb paub lawmtshuaj xyuas peb cov lus qhia tseem ceeb rau aluminium CNC machining fundamentalsxam cov kev ua haujlwm tiag tiag.

Ntawm Xiamen Dazao Machinery manufacturing chaw, CNC txhuas cov khoom xaiv raug soj ntsuam los ntawm plaub qhov sib txawv ntau lawm:

1. Machinability Index:Txhais qhov siab tshaj plaws qhov chaw txiav qhov nrawm (V_c, m/min), cov cuab yeej ntsuas lub neej (T, feeb), thiab txiav quab yuam coefficients (k_c, N / hli²).

2. Internal Residual Stress Distribution:Txiav txim siab tom qab -machining dimension stability thiab ib feem warp thaum lub sij hawm sib sib zog nqus hnab tshos ua hauj lwm.

3. Chip Evacuation Morphology:Influences unattended zus tau tej cov kev ntseeg, ua -up edge (BUE) tsim, thiab workpiece deg tiav (Ra).

4. Kev Kho Hniav Tshuaj Compatibility:Dictates oxide txheej thickness uniformity, corrosion kuj, thiab xim match kam rau ua thaum hom II thiab hom III (hardcoat) anodizing.

Aluminium Machining Qib Sib piv: Mechanical Properties, Speeds & Feeds

Aluminium alloys sib txawv heev raws li thawj alloying ntsiab, nag lossis daus hardening mechanics, thiab txias - ua hauj lwm tempers. Hla-hais txog cov yam ntxwv ntawm lub cev nrogstandardized aluminium qib rau CNC machining specificationspab tshem tawm kev kwv yees kev yuav khoom. Cov lus hauv qab no nthuav tawm ntau lawm-cov ntaub ntawv pov thawj lub cev, tshuab, thiab machining hla cov qib txheem ua tiav hauv peb lub khw muag khoom.

Mechanical Properties & Machinability Index Table

Al6061-T6 vs Al6061-T651: Internal Stress Relief thiab Precision Machining Stability

ib 6061(Al-Mg-Si series) yog tus qauv qib rau CNC milling thiab tig, feem ntau suav hais tias yogzoo tshaj plaws aluminium rau CNC qhov chawnyob rau hauv industrial automation. nag lossis daus hardened ntawm magnesium silicide (Mg₂Si), nws muab kev sib npaug txhua yam kev ncaj ncees, tshwj xeeb corrosion kuj, thiab siab weldability. Rau qhov ua tiav qhov tob - dhia mus rau hauv cov cuab yeej, pub, thiab nrawm rau qib tshwj xeeb no, sab laj pebCov ncauj lus kom ntxaws 6061 txhuas CNC machining qhiamuab granular khw cov ntaub ntawv.

· Extruded 6061-T6 vs Stretched 6061-T651:Txheem 6061-T6 extrusion muaj siab quenching stresses. Thaum machining asymmetric hnab ris los yog nyias phab ntsa (<1.5 mm), the stock redistributes internal forces, causing bow and twist. 6061-T651undergoes ib tug tswj 1.5% mus rau 3% mechanical stretching txheej txheem tom qab- kev kho cua sov, decoupling residual stresses thiab ua rau nwszoo tshaj plaws aluminium rau precision machiningtsis muaj dimensional drift.

· Txiav Parameters:Tso cai txiav ceev ncav cuag V_c=400−800 m/min ntawm 3-axis thiab 5-axis CNC machining chaw siv cov tsis muaj coated los yog DLC-coated (Diamond-Like Carbon) carbide kawg mills.

· Cov lus teb tiav:Ua kom pom tseeb, zoo ib yam cov khaubncaws sab nraud povtseg nyob rau hauv MIL-A-8625 Hom II sulfuric acid anodizing, ua rau nws dav lees paub tias yogzoo tshaj plaws aluminium rau anodizinghauv kev lag luam electronics.

Al7075-T6 & T7351: Aerospace-Grade Strength, Shear Resistance, thiab Anodizing txwv

ib 7075yog alloyed feem ntau nrog zinc (5.1% mus rau 6.1%) thiab magnesium (2.1% rau 2.9%), tsim η-theem (MgZn₂) dej nag. Thaum ntsuas6061 vs 7075 rau machining, 7075 phim lub zog tawm los ntawm cov qauv me me ntawm cov qauv hlau (xws li Q235 thiab AISI 1018) thaum ua haujlwm ntawm ib qho - thib peb pawg. Cov ncauj lus kom ntxaws txiav dynamics tau piav qhia hauv pebtechnical 7075 txhuas CNC machining phau ntawv.

Machining yam ntxwv: Al7075-T6yog tshwj xeeb nruj nyob rau hauv siab txiav loads, sawv cev rau lubzoo tshaj plaws aluminium alloy rau CNC machiningthaum tus qauv loj - rau - lub zog piv yog qhov txiav txim metric. Chips tawg kom huv si rau hauv nruj C- cov duab yam tsis tsim ib qho kev tsim - nce ntug ntawm lub ntsej muag lub ntsej muag. Qhov no tso cai rau hnyav radial sib koom milling ntawm pub tus nqi mus txog f_z=0.15 hli/tus hniav.

· Vulnerabilities:Kev ntxhov siab qis dua -corrosion cracking resistance piv rau 6000-series. Nyob rau hauv marine los yog unsealed humid ib puag ncig,7075 xav tau kev tiv thaiv nto txheej.

· Tshaj -Kev laus Temper Option (T7351):Rau cov khoom raug rau dynamic cyclical loads nyob rau hauv corrosive ib puag ncig, specifications7075-T7351nce kev ntxhov siab-corrosion pib, txawm hais tias nws txo qis zog ntawm kwv yees li 12% mus rau 15%.

Al6082-T6: European Standard High-Strength Structural Alloy thiab Tool Wear Dynamics

Daim ntawv qhia dav dav thoob plaws European khoom tsim (DIN EN 755),ib 6082nta cov ntsiab lus ntau dua manganese (0.4% mus rau 1.0%) dua 6061. Cov kws tsim qauv siv feem ntau siv peb covnplooj siab 6082 txhuas CNC machining qhiathaum hloov cov khoom siv txawv teb chaws luam tawm.

· Cov qauv zoo:Muab 10% mus rau 15% nce tensile thiab yield zog tshaj 6061-T6.

· Tool Wear Impact:Lub xub ntiag ntawm manganese-silicon dispersoids tsub kom abrasive flank hnav ntawm carbide txiav inserts thaum nruam, siab -ceev tig. Spindle fais fab xav tau nce li ntawm 8% piv rau tus qauv 6061-T6.

Al5052-H32: Corrosion Resistance vs. Built-Up Edge (BUE) hauv Precision Milling

ib 5052yog ib qho uas tsis yog - cua sov- kho tau cov alloy ua hauj lwm - hardened rau temper H32, cia siab rau cov khoom siv - kev daws teeb meem ntawm magnesium (2.2% mus rau 2.8%).

· Machining Challenges: Highly ductile with an elongation at break of 12% to 18%. During CNC milling, it exhibits high adhesion to the cutting edges. Without high-pressure flood coolant (>20 bar) thiab ntse, polished rake-lub ntsej muag tooling (Ra<0.1 μm), 5052 forms long, stringy ribbons that pack flutes, generate micro-burrs, and tear workpiece surfaces.

· Daim ntawv thov zoo tshaj plaws:Kua-cooling manifold blocks, marine-exposed chassis, thiab Cheebtsam uas xav tau daim ntawv nqes hav-hlau dabtsi yog khoov kev koom ua ke.

MIC6 Cast Aluminium Tooling Phaj: Flatness Integrity vs. Low Yield Strength Traps

MIC 6yog ib qho hloov kho Al-Zn-Mg nruam nruam aluminium tooling phaj. Nws cov granular, tsis yog -kev taw qhia cast matrix undergoes proprietary thermal stabilization cycles rau neutralize internal casting stresses.

· Machining Stability:Cov phaj loj tuaj yeem raug milled, drilled, thiab channeled hla 80% ntawm lawv cov ntim tag nrho yam tsis muaj qhov loj me los yog hneev nti. Thickness kam rau ua yog ua ntej- tshuab rau ± 0.1 hli los ntawm lub zeb, ua rau nwszoo tshaj plaws aluminium rau precision CNCbaseplates thiab metrology rooj.

· Mechanical Limitations:Lub zog tawm los yog qis (105 MPa), thiab elongation yog txwv rau 3%. Nws tsis tuaj yeem tiv taus qhov cuam tshuam ntawm cov qauv lossis lub sijhawm khoov hnyav.

Al2011-T3 & Al2024-T351: Chip Breaking Performance rau Swiss Screw Machining

Cov 2000-series (tooj liab-alloyed) cov ntaub ntawv yog optimized rau siab - ntim ntsia hlau tshuab thiab Swiss-hom tshuab dhos.

· Al2011-T3: Regarded as the easiest aluminum to machine and the most machinable aluminum alloy available, with a baseline machinability rating of 100%. Micro-alloying elements act as internal chip-breakers, allowing rapid spindle speeds (>6000 RPM) nrog xoom lub cuab yeej zes, ua rau nws yog qhov zoo tshaj plaws txhuas rau tig siab - ntim precision bushings.

· Al2024-T351:Muab kev qaug zog zoo heev (140 MPa endurance txwv) thiab siab shear zog, ua tus qauv xaiv rau precision threaded couplings, hydraulic valve spools, thiab aerospace shafts.

3 Tiag -Lub Ntiaj Teb Aluminium Machining Defects thiab hauv paus-Ua kom daws tau qhov teeb meem

Tshaj li ob xyoo caum ntawm kev tsim khoom ntawm Dazao Machinery, peb pab pawg engineering tau sau tseg tiag tiag -kev tsim khoom thoob ntiaj teb. Cov ntaub ntawv hauv qab no txheeb xyuas cov txheej txheem tseem ceeb tsis ua haujlwm thiab kev tiv thaiv kev tiv thaiv.

Case 1: Deep Pocket Distortion: Vim Li Cas Extruded 6061-T6 Hneev (thiab Vim Li Cas 6061-T651 daws Nws)

· Failure Scenario:Ib tus neeg siv khoom siv hluav taws xob xav tau ib pawg ntawm 50 nyias- cov phab ntsa sensor enclosures (280 mm × 140 mm × 35 mm, pem teb thickness 1.5 mm, sab phab ntsa 2.0 mm). Lub chaw muag khoom tau txais tus qauv, qis- nqiAl6061-T6extruded bar khoom. Thaum unclamping los ntawm modular pneumatic vise, cov tivthaiv xaus bowed upward los ntawm 0.65 hli, ua txhaum tag nrho cov profile kam rau ua ntawm ± 0.05 hli. Kev tshuaj xyuas qhov tseem ceebaluminium CNC machining tsim thiab DFM cov lus qhiaua ntej tiv thaiv cov txheej txheem pitfalls thaum lub sij hawm CAD qauv.

· Keeb kwm:Extruded rectangular bar stock nthuav tawm qhov seem seem ntawm cov thermal stress profile los ntawm cov dej nrawm nrawm: sab nrauv yog nyob rau hauv siab compression thaum lub hauv paus nyob rau hauv siab nro. Milling tawm 85% ntawm lub ntim sab hauv tshem tawm cov tub ntxhais tensile cheeb tsam, tawm hauv unbalanced sab nrauv compressive stresses uas yuam lub hauv paus yuav khoov.

· Dazao Countermeasure:

1. Mandated cov khoom specification rauAl6061-T651 cov phaj txo kev ntxhov siab.

2. Hloov kho CAM lub tswv yim kom ntxhib rau hauv kab noj hniav thiab sab nrauv contour nyob rau hauv sib npaug, stepped depths ntawm txiav (a_p=3.0 hli), tawm hauv 0.5 hli Tshuag.

3. Loosened thiab re-clamped fixtures ua ntej mus rau qhov kawg tiav pass siv lub tshuab nqus tsev chuck workholding, tuav qhov kawg flatness nyob rau hauv 0.025 mm.

Case 2: Anodizing Optical Colour Mismatch Across Multi-Alloy 6061/7075 Assemblies

· Failure Scenario:Tus neeg siv kho mob robotics tau tsim ntau-ib feem modular optical chassis uas muaj lub phaj sab saum toj, ob lub mounting brackets, thiab lub dab dej kub. Cov duab kos tau teev tsegHom II Matte Dub Anodize. Cov brackets tau machined los ntawmAl7075-T6(rau xov lub zog), thaum lub phaj saum toj kawg nkaus thiab lub dab dej kub yog machined los ntawmAl6061-T6. Post-anodizing los ua ke tau qhia txog qhov tsis txaus ntseeg ntawm cov xim sib txawv: 6061 cov khoom tau nthuav tawm qhov sib sib zog nqus, dav hlau -dub tsos, thaum lub 7075 Cheebtsam pom cov av nkos, greyish-bronze tint.

· Keeb kwm:Anodic txheej tsim nyob ntawm electrochemical oxidation ntawm ntshiab txhuas. Cov tooj liab siab (1.2% mus rau 2.0%) thiab zinc (5.1% mus rau 6.1%) cov ntsiab lus hauv 7075 hloov cov pore microstructure thiab lub teeb refraction yam ntxwv ntawm anodic oxide txheej. Thaum ua tiav nyob rau hauv zoo tib yam anodizing tank tam sim no ntom (1.5 A / dm²) thiab da dej kub (20^∘C), dye absorption sib txawv ntawm 6000 thiab 7000-series alloys.

· Dazao Countermeasure:

1. Kho dua tshiab uas tsis yog- thauj khoom- cov kabmob sib dhos rau tus qauvAl6061-T651los tuav unified substrate chemistry.

2. Rau cov rooj sib txoos uas xav tau cov khoom sib xyaw 6061 thiab 7075, txoj kev ua tiav tau tsiv mus rauElectroless Nickel Plating (ENP, 10-15 µm)los yog micro-sandblasted Hom III Hardcoat nrog tshwj xeeb dye concentration them nyiaj los xyuas kom meej qhov pom kev sib tw.

Case 3: Xov Stripping thiab Fatigue Cracking nyob rau hauv Dynamically Loaded MIC6 Fixtures

· Failure Scenario:Ib tug semiconductor kuaj neeg tau hloov ib tug Al6061-T6 mounting puag nrogMIC6 cam khwb cia tooling phajlos daws qhov teeb meem ntawm lub hauv paus. Lub rooj sib txoos siv M4 ncaj qha -tapping ntsia liaj qhov rooj qhov torqued rau 3.0 N⋅m. Thaum lub sij hawm ua hauj lwm nyob rau hauv siab - zaus reciprocating acceleration (2.5 g), 6 tawm ntawm 16 bolt threads stripped, ua rau lub kaw lus kaw.

· Keeb kwm:MIC6 muaj ib qho equiaxed dendritic cam khwb cia grain qauv uas tsis muaj cov neeg kho tshuab grain orientation ntawm dov los yog forged phaj. Nws lub zog shear (≈105 MPa) yog tsawg dua ib nrab ntawm dov 6061-T6 (≈205 MPa). Rov ua dua cyclic loading tshaj lub shear qaug zog txwv ntawm raw cam khwb cia nrog aluminium threads.

· Dazao Countermeasure:

1. Txwv tsis pub ncaj tapping threads ntawm tag nrho cov load- bearing MIC6 structural drawings.

2. Integrated standardStainless hlau helical hlau xov inserts (Helicoil)los yog khoom, tus yuam sij -xauv threaded inserts (Key-sert) thoob plaws txhua qhov chaw tapping, faib cov shear cheeb tsam hla ib txoj kab uas hla loj dua thiab nce xov rub- tawm lub peev xwm kom phim dynamic load specifications.

Txheej txheem Kinematics: CNC Milling vs. CNC Tig Parameter Optimization los ntawm Alloy

Machining kev ua tau zoo sib txawv raws li seb qhov kev ua haujlwm kinematic tseem ceeb yog ntau -axis rotational milling lossis ib zaug - taw tes tawm. Cov cuab yeej geometry, txiav cov dej xa tawm, thiab nti tsim cov khoom siv hluav taws xob yuav tsum ua raws li tus cwj pwm microstructural tshwj xeeb ntawm txhua qib.

Siab-Kev ceev CNC Milling: Chip Evacuation, Tool Coatings, thiab nyias-Wall Deflection

Milling aluminium yuav tsum tau txiav cov npoo ntse, qhib qhov sib txawv ntawm qhov sib txawv, thiab polished rake ntsej muag los tiv thaiv nti ntim thaum hnyav axial thiab radial kev koom tes. Kev siv ntawm pebmulti-axis 5-axis CNC milling peev xwmua kom cov nyias nyias-cov nta phab ntsa tswj cov geometric kam rau ua raws li kev txiav cov khoom hnyav, tsim 6061 thiab 7075 raws lizoo tshaj plaws aluminium rau CNC millingdaim ntawv thov.

Rau structural qib zoo liAl6061-T651thiabAl7075-T651, siab -kev ceev machining (HSM) cov tswv yim cia siab rau cov txheej txheem radial nti thinning. Los ntawm kev txwv kev sib koom ua ke radial (a_e) mus rau 10% -15% ntawm txoj kab uas hla cutter, txiav ceev (V_c) tuaj yeem nce siab tshaj 600 m / min thaum khaws cov cuab yeej -workpiece interface kub hauv qab lub thermal softening point ntawm aluminium matrix (350^∘C).

Thaum milling gummy alloys xws liAl5052-H32, txiav cuab tam geometry hloov:

· Flute suav:Kev nruj nruj rau 2-flute los yog ib leeg-flute cov khoom carbide kawg mills kom ua kom cov nti gullet ntau dua.

· Helix Angle:45℃mus rau 50℃siab -helix tsim los tsim kom muaj zog axial lifting rog ntawm nruam chips.

· Coolant Management: High-pressure through-spindle emulsion (>30 bar) qhia ncaj qha rau ntawm thaj chaw txiav kom tawg cov txheej txheem ciam teb thiab tshem cov nplaum nplaum tawm ntawm lub hnab ntim tob.

CNC Milling Parameter & Tooling Xaiv Matrix

CNC tig thiab Swiss Machining: Chip Breaking, Nto Roughness, thiab PCD Tooling

Ib zaug - taw tes tig ua haujlwm tam sim no nyias nyias cov cai tswj hwm piv rau milling. Nruam ribbon chips generated thaum lub sij hawm sab nraud txoj kab uas hla (OD) tig los yog tho txawv qhwv nyob ib ncig ntawm spinning chucks, qhab nia machined nto, thiab ua rau lub tshuab tswb.

· Al2011-T3 and Al2024-T351:Lub xub ntiag ntawm intermetallic theem ua rau tsis tu ncua, segmented chips uas tawg ntawm nws tus kheej, ua rau lawv tus kheej.zoo tshaj plaws aluminium rau CNC tigkev ua haujlwm. Lub sij hawm voj voog ntawm Swiss- hom tshuab dhos poob los ntawm 20% mus rau 35% piv rau 6061-T6 vim tias nyob hauv lub voj voog rau kev ua haujlwm tshem tawm cov cuab yeej tshem tawm.

· Al6061-T6 nyob rau hauv Tig:Yuav tsum muaj qhov zoo -rake inserts nrog rau siab nti-breaker geometries (R-groove lossis av 3D topographical breakers). Infeed tus nqi yuav tsum nyob siab tshaj f=0.12 mm/rev kom ntseeg tau tias cov nti raug yuam mus rau hauv phab ntsa tawg thiab snapped huv.

· Pob zeb diamond Tooling (PCD) rau Ultra-High Surface Finish:Rau cylindrical Cheebtsam uas yuav tsum tau deg roughness qhov tseem ceeb hauv qab Ra 0.2 μm, Polycrystalline Pob Zeb Diamond (PCD) inserts khiav ntawm siab ceev ceev (V_c>1000 m/min) tiv thaiv kev tsim - nce ntug tsim thiab tshem tawm cov ncej- tshuab polishing theem.

Xaiv Aluminium Alloys los ntawm Prototyping mus rau Mass Production

Kev xaiv cov khoom siv yuav tsum hloov pauv raws li cov khoom lag luam nce mus txog theem kev txhim kho. Cov yam tseem ceeb uas tau txais nyob rau hauv ib qho - tawm qhov kev sim ua qauv tuaj yeem tsim cov nqi qis thaum ntsuas txog kaum tawm txhiab units.

Prototyping Theem (1 - 50 Tshooj)

· Lub Hom Phiaj Core:Kev xa khoom sai, kev ua haujlwm tau zoo, thiab tus nqi qis tsis yog -kev siv hluav taws xob rov ua dua tshiab (NRE).

· Khoom tseem ceeb:Yooj yim muaj nyob hauv zos warehouse Tshuag.Al6061-T651phaj thiab bar Tshuag yog thawj cov kev xaiv, qeb duas raws li covzoo tshaj plaws aluminium rau prototypesvim luv luv distributor lead lub sij hawm thiab dav geometry ranges.

· Nqi Factor:Cov khoom siv tau zoo yog qhov thib ob rau kev teeb tsa nrawm; machining los ntawm cov txheej txheem loj loj ntawm cov khoom billets zam kev cai raw khoom extrusion txhuas lub sij hawm.

Pilot & Validation Phase (EVT/DVT, 50 – 1,000 Parts)

· Lub Hom Phiaj Core:Kev tswj cov txheej txheem kev txheeb cais (Cpk pov thawj), kev ntsuam xyuas ib puag ncig kev ntxhov siab, thiab kev tsim nyog ua tiav.

· Khoom tseem ceeb:Txhim kho qhov tseeb raw khoom tus neeg muag khoom, tshuaj muaj pes tsawg leeg ciam teb, thiab temper designation.

· Kev Ntsuam Xyuas Zoo:Ua kev sib koom tes ntsuas tshuab (CMM) kev tshuaj xyuas tom qab anodizing los tsim kom muaj qhov tseeb qhov poob lossis kev loj hlob offsets los ntawm etching thiab anodic oxide txheej buildup.

Tag Nrho -Scale Production Phase (1,000 – 100,000+ Parts)

· Lub Hom Phiaj Core:Chav tsev txo nqi, lub sij hawm shaving, thiab xoom- tsis xws luag.

· Khoom siv optimization:

1. Nyob ze -Net-Shape Custom Extrusion:Hloov los ntawm cov khoom vaj huam sib luag rau kev cai profile extrusion. Sourcing ib qho extrusion uas phim qhov ntxhib txheej txheej ntawm 6061 tivthaiv txo qhov ntxhib -milling lub sij hawm los ntawm 40% mus rau 60% thiab txiav cov khoom siv raw khoom seem, tsim nyog 6061 raws lizoo tshaj plaws aluminium rau ntau lawm machining.

2. Alloy Hloov rau Cycle Optimization:Hloov tsis yog-welded siab- ntim hloov qhov chaw los ntawm 6061 mus rauAl2011-T3los yogAl6082-T6txhawm rau nce tus nqi pub thiab txuas ntxiv cov cuab yeej hloov lub sijhawm los ntawm ntau pua mus rau ntau txhiab qhov chaw.

Lifecycle Selection Framework

Kev kho deg Compatibility Matrix: Hom II, Hom III Hardcoat, thiab Plating

Deg xov yog txheej txheem electrochemical thiab tshuaj hloov pauv uas cuam tshuam ncaj qha nrog cov ntsiab lus alloying hauv aluminium puag. Kev koom tes nrog lub chaw tsim khoom muaj peev xwm tswj tauprecision anodizing thiab nto finishing kev pab cuamhauv -kev tiv thaiv hauv tsev tiv thaiv inter- cov khoom sib txawv sib txawv.

1. Hom II Sulfuric Acid Anodizing (MIL-A-8625 Hom II):

· 6000-Series (6061, 6082):Ua kom tuab, pob tshab oxide txheej (10-25 μm) nrog rau cov xim zoo rau kev sib sib zog nqus, xim zoo nkauj.

· 7000-Series (7075):Cov ntsiab lus zinc siab ua rau lub hauv paus daj los yog bronze cam khwb cia hauv txheej oxide. Cov xim tsaus nti (dub, tsaus xiav) yuav tsum tau npog cov xim txawv.

· 2000-Series (2024, 2011):Cov ntsiab lus tooj liab siab ua rau microscopic pitting thaum lub sij hawm acid deoxidizing theem. Oxide txheej yog thinner, softer, thiab muab kev tiv thaiv corrosion txo.

2. Hom III Hardcoat Anodizing (MIL-A-8625 Hom III):

· Ua tiav ntawm qhov kub da dej qis (0^∘−5^∘C) thiab siab dua tam sim no, ua kom tuab (25-50 μm), hnav- cov khaubncaws sab nraud povtseg (60-70 HRC sib npaug).

· 6061-T651yields ib qho un-dyed tsaus grey rau txiv ntseej-dab tiav.

· 7075-T6ua kom tuab, tsaus charcoal- xim av tiav nrog siab micro-hardness.

3. Chemical Conversion Txheej / Chem Film (MIL-DTL-5541 Hom I/II):

· Electrically conductive conversion txheej uas ntxiv negligible thickness (<1 μm). Suitable for RF shielding housings, grounding interfaces, and paint primer substrates across 6061, 5052, and 7075.

Nto Finishing Compatibility Matrix

Engineering RFQ Checklist: Technical Drawing Callouts and Quality Verification

Txhawm rau tshem tawm cov lus tsis txaus ntseeg, tiv thaiv cov khoom siv tsis raug, thiab zam kev tsis sib haum xeeb, cov pob khoom siv kos duab thiab Kev Thov rau Quotation (RFQ) cov ntaub ntawv yuav tsum tau qhia plaub yam hauv qab no thaumxa koj cov qauv CAD rau kev ntsuam xyuas DFM sai:

· Ua tiav Alloy thiab Temper Designations:Tsis txhob kos cov duab kos yooj yim li 6061 lossis 7075. Qhia tag nrho cov metallurgical temper (piv txwv li:Al6061-T651 rau ASTM B209los yogAl7075-T7351 rau AMS 4045).

· Anodizing Thickness thiab Tolerance Offsets:Qhia meej meej seb puas siv qhov loj meua ntej txheej (pre- phaj)los yogtom qab txheej (post- phaj). Tus qauv III Hardcoat (50 μm) ntxiv 25 μm ntawm cov khoom loj hlob ntawm ib qho chaw, uas yuav kaw qhov taub ntawm 0.050 hli yog tias tsis tau them nyiaj.

· Grain Direction thiab Critical Stress Vectors:Rau siab -kev nyuaj siab cov qauv cantilever qhov chaw, khij qhov xav tau longitudinal rolling grain orientation txheeb ze rau thawj qhov kev ntxhov siab vector kom ua rau kev ua haujlwm qaug zog.

· Tapped Hole Inserts rau qis-Hardness Alloys:Thaum qhia txog cov cuab yeej cam khwb cia (xws li MIC6) lossis 5000-series alloys hauv cov rooj sib txoos dynamic, ntxiv threaded insert callouts (Helicoil lossis Key-sert) ncaj qha rau CAD qauv thiab 2D daim ntawv sau.

Dazao Machinery Manufacturing Capability Summary

· Cov Ntawv Pov Thawj:ISO 9001: 2015, IATF 16949: 2016 (Automotive Quality Management).

· Machining Peev Xwm:3-axis, 4-axis, thiab 5-axis siab-ceev CNC milling chaw (X/Y/Z mus txog 1800 × 1200 × 800 mm), Swiss-type automatic tig chaw mus txog ∅38 mm, thiab multi-axis tig.-milling

· Quality Assurance:Multi-sensor Coordinate Measuring Machines (Zeiss CMM nrog ± 0.0015 mm volumetric raug), optical profilometers, thiab nyob rau hauv -tsev XRF cov khoom spectroscopic analyzers los xyuas cov alloy muaj pes tsawg leeg.