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Aluminum CNC Machining Service
Custom Delivered Aluminum Parts within Days rather than in Weeks.
From quick prototypes to production. Precision machining with tolerances up to ±0.001″ that are ISO 9001 and AS9100D certified. Well-regarded in the aerospace, automotive, and medical industries worldwide.
Aluminum CNC Service
Precision Aluminum Machining for Complex Geometries
We specialize in high-speed milling and turning of aluminum alloys (6061, 7075, 5052). From rapid prototyping to low-volume production, we deliver aerospace-grade tolerances.
Tight Tolerances
Achieving precision down to ±0.01mm using advanced 5-axis CNC machines. Perfect for critical fit components.
Rapid Turnaround
Optimized tool paths and high-speed spindles allow us to ship standard aluminum parts in as fast as 3 days.
Surface Finishing
Comprehensive post-processing including Anodizing (Type II & III), Bead Blasting, and Powder Coating.
Gallery of Custom CNC Machined Aluminum Parts
Explore our custom CNC-machined aluminum parts gallery, featuring a wide variety of high-quality components we have produced for various industries.
Manufacturing methods
CNC Machining Processes for Aluminum Parts
We can handle every conceivable level of machining, running from simple 3-axis milling to multifaceted 5-axis simultaneous operations.
CNC Milling
Multi-axis milling for complex geometries, pockets, contours, and surface features. Our 3, 4, and 5 axis machines can handle parts for any level of complexity.
Up to 40"×20"×20"
±0.001" Milling Tolerance
Ra 32 μin Surface Finish
CNC Turning
Precision lathe work for rotational parts, including shafts, bushings, connectors, and fittings. Live tooling gives the capability to perform complex features in a single setup.
Ø0.1" - Ø12"
Live Tooling
Thread Cutting
5-Axis CNC Machining
5-axis machining simultaneously moving to handle the most difficult geometries. Machining in one setup reduces handling, increases accuracy, and reduces lead time.
Complex Features
Impellers & Turbines
Aerospace Parts
Swiss Screw Machining
Elegant and small really rigid as well as stay precise. Its guiding bushing makes this facility suitable for very long and slender components.
Ø0.03" - Ø1.25"
Tol: ±0.0002"
Medical & Electronics
Our Manufacturing Facility
State-of-the-art aluminum CNC machining centers and quality control labs. Dedicated to precision and efficiency.
Aluminum Alloys Selector for CNC Machining
Compare mechanical properties and find the perfect material for your CNC machining project. Select an alloy below to see details.
Select Material
Quick Legend
- Scale 1-10 (10 is best)
- Price: 10 = Most Expensive
Aluminum 6061
General Purpose
The most versatile and widely used aluminum alloy. Excellent machinability, good strength, and weldability. Ideal for structural frames, brackets, and automotive parts.
Key Feature
Balance
Best Application
Structural/Auto
Machinability
Excellent
Material Data Sheets (PDF)
Aluminum 6061
Universal Structural Standard
PDF
Aluminum 2A12 & LY12
Aerospace High Strength
PDF
Aluminum 2024
Aircraft Structural Grade
PDF
Aluminum 5052
Marine Grade & Sheet
PDF
Aluminum 6063
Architectural Extrusion
PDF
Aluminum 7050
High Toughness Plate
PDF
Aluminum 7075
The Peak of Static Strength
PDF
Alloy Performance Comparison
Click table headers to sort by strength, hardness, or machinability.| Alloy Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Hardness (HB) | Corrosion Resistance | Machinability |
|---|---|---|---|---|---|
| 6061-T6 | 276 | 310 | 95 | Excellent | Good |
| 7075-T6 | 503 | 572 | 150 | Fair | Fair |
| 2024-T3 | 324 | 469 | 120 | Poor | Excellent |
| 5052-H32 | 193 | 228 | 60 | Best | Fair |
| 6063-T6 | 214 | 241 | 73 | Excellent | Good |
| 7050-T7451 | 469 | 524 | 140 | Good | Good |
| 2A12-T4 | 325 | 470 | 120 | Poor | Excellent |
Aluminum CNC Machining Service
Engineering Toolkit
Instant Calculators for Designers & Engineers
Material Weight Calculator
Estimated Part Weight
0.27
Kilograms (kg)
Accurate for shipping & material cost estimation.
ISO Fits & Tolerances (H7 Basis)
*Calculated based on ISO 286-2 standard hole basis (H7). Common for CNC machining applications.
Hole Tolerance (H7)
+0.021 / 0
Shaft Tolerance
-0.007 / -0.020
Fit Type: Clearance
Machining Cost Estimator
Estimated Price Per Part
$65.00
Raw Material Cost:$5.00
Machining Labor:$20.00
Setup (Amortized):$40.00
*This is an algorithm-based estimate for budgeting only. Upload your 3D files to get an exact binding quote.
Surface Finishing
Surface Finishing for CNC Machined Aluminum
Choose from our complete selection of surface treatments to enhance the aesthetics of your aluminum parts, give them better protection against corrosion, and make them more functional.
The Most Used
Type II Anodizing
The basic anodizing process plus the possibility to choose among different colors for decor. With the stacking of the layers being thinner, it has quite good protection against corrosion.
More than one shade offered
0.0002" to 0.001" thickness
MIL-A-8625 Type II
High Wear
Type III Hard Anodizing
A thick and hard oxide layer is created to resist wear and, in some cases, even surpass the wear resistance of the application, thus, making it fully suitable for demanding conditions.
HRC 60-70 hardness
0.001" to 0.003" thickness
MIL-A-8625 Type III
Matte Finish
Bead Blasting
A uniform matte finish that covers up the marks left by machining. It is widely used as the pre-treatment process prior to anodizing.
Typical Ra 1.6-3.2 μm
Cost-efficient
Satin like appearance
Thick Coating
Powder Coating
Long-lasting polymer coating with a wide range of colors. Outdoor equipment requiring thick protection can be painted with this because it is intended for such.
0.002" to 0.006" thickness
RAL colors available
UV resistant
Chromate Conversion (Alodine)
A lightweight coating that still lets electricity pass through. Moreover, it can act as an excellent primer for the next layers of paint because of its great adhesion.
Electricity passage still possible
MIL-DTL-5541 compliant
Golden or transparent choices
Wear + Corrosion
Electroless Nickel Plating
A layer of nickel that is applied uniformly and has very good resistance against both wear and corrosion. It is self-leveling so that the thickness throughout is always consistent.
Uniform thickness
50 HRC hardness
Chemical resistant
Industries We Serve: Aluminum CNC Machining Applications
Our aluminum CNC machining skills traverse challenging sectoral areas across industries with severe quality requirements, ranging from aerospace to consumer electronics.
Aerospace & Defense
Structural components, avionics enclosures, landing gear parts. AS9100D processes stand for flight-critical applications.
AS9100D Certified
Automotive
Engine components, EV battery enclosures, transmission parts. High-volume production with PPAP documentation.
IATF 16949
Medical Devices
Surgical instruments, diagnostic equipment, implant components. Full traceability and biocompatibility considerations alongside.
ISO 13485
Consumer Electronics
Laptop housings, smartphone frames, audio equipment. Premium anodized finishes for consumer products.
CMF Excellence
Robotics & Automation
Robot arm structures, end effectors, precision fixtures. Tight tolerances for reliance on automated systems.
High Precision
Thermal Management
Scholars expensive volumes agreed to be a good source of information. Heat sinks, cold plates, server chassis. Optimized designs to achieve maximal thermal dissipation.
Thermal Expert
Aluminum Prototype Machining Success Stories
Aerospace & Defense
High-Strength 7075 Aluminum Structural Components
Client: North American Defense System Provider (NDA Protected)
Challenge
Critical radar frame required high strength-to-weight ratio. Thin walls and complex structures caused distortion during machining. Tolerances must stay within ± 0.001". Previous suppliers failed due to stress relief deformation.
Le-Creator Solution
Material: Aviation-grade Aluminum 7075-T6.
Process: Unique distention process with 5-axis CNC machining to control shape and position.
QC: 100% CMM control confirming AS9100D compliance.
Result
"The most design-savvy manufacturing partner."
First 50 sets delivered in 2 weeks with 100% qualification rate. Secured yearly supply agreement.
Medical Devices
Precision Aluminum Manipulator for Surgical Robot
Client: Key European Surgical Robot Manufacturer
Challenge
Robotic arm assembly required high surface finish (RA 0.4 μm) for sterility. Needed Type III Hard Anodizing for sterilization durability without altering critical fit sizes.
Le-Creator Solution
Micro-machining: Swiss Screw Machining for precision turning.
Surface Engineering: Custom shadowing tools to limit anodization to non-mating surfaces.
Traceability: Maintained ISO 13485 standards for bare aluminum fits.
Result
"Improved final assembly efficiency by 30%."
Successfully proved coating thickness control. Passed biocompatibility tests.
Aluminum CNC Machining Guide
Explore our comprehensive collection of technical guides, material comparisons, and engineering best practices for precision aluminum manufacturing.
6061 vs 7075 Aluminum: Which Is Best for CNC Machining?
Complete Guide to Aluminum 5052 Properties and Applications
Aluminum 2024 CNC Machining: Aerospace-Grade Alloy Explained
MIC-6 Aluminum: The Ultimate Choice for Precision Tooling
How to Choose the Right Aluminum Alloy for Your CNC Project
CNC Milling vs CNC Turning: Which Process for Aluminum Parts?
5-Axis CNC Machining for Complex Aluminum Components
Swiss Screw Machining for Small Aluminum Parts
EDM Machining Aluminum: When and Why to Use It
High-Speed Machining Aluminum: Parameters and Best Practices
Aluminum Drilling and Tapping: Technical Guidelines
Anodizing Aluminum Parts: Type II vs Type III Hard Anodizing
Powder Coating vs Anodizing: Which Is Better for Aluminum?
Aluminum Bead Blasting: Achieving the Perfect Matte Finish
Chemical Conversion Coating (Alodine) for Aluminum Parts
Electroless Nickel Plating on CNC Machined Aluminum
Surface Roughness Standards for Aluminum CNC Parts
Aerospace Aluminum CNC Machining: AS9100D Requirements
Automotive CNC Aluminum Parts: IATF 16949 Compliance
Medical Device Aluminum Machining: ISO 13485 Guidelines
Consumer Electronics Aluminum Enclosures: Design Tips
Aluminum Heat Sinks: CNC Machining for Thermal Management
Robotics and Automation Aluminum Components
Aluminum CNC Parts FAQs
Machine aluminum generally refers to the broad set of machining operations used on aluminum alloys, while cnc machining aluminum specifies that computer numerical control machines perform those operations. Both approaches can produce precision parts and machining is a manufacturing process capable of tight tolerances; CNC technology adds repeatability, complex toolpaths, and integration with CAD/CAM for parts and products made from aluminum, mainly when producing parts with complex geometries or high-volume cnc machined parts.
Aluminum machining services typically include turning, milling, drilling, tapping, and finishing like anodized aluminum. A mill or cnc milling operation can be basic 3-axis or advanced 5-axis cnc milling machines for complex parts. Fabrication services often combine machining with sheet metal fabrication or secondary operations to deliver complete parts and products, and many providers offer custom cnc capabilities and manufacturing services to suit specific material choices such as aluminum 6063 or aluminum 5083.
Aluminum 6063 is a popular alloy for extrusion profiles and architectural parts; it machines well and anodizes well for visual parts. Aluminum 7050 is used in aerospace for higher strength and fracture toughness, but can be more challenging to machine. Your choice should consider factors like required strength, corrosion resistance, finish, and whether the part will be anodized; consult cnc machining design guidance to balance material properties with machining operations and cost.
Yes, many shops offer both sheet metal fabrication and cnc aluminum machining so they can produce cut parts, bent enclosures, and machined components in a single workflow. This is ideal for assemblies that mix metal and plastic parts or require both stamped/bent panels and precision-machined features. Combining services reduces handling, speeds time to market, and supports manufacturing services that offer custom cnc and finishing options.
5-axis cnc milling machines excel at producing parts with complex geometries, multi-sided features, and tight tolerances in a single setup, reducing the need for fixtures. Swiss machining is ideal for long, slender, high-volume turned parts with intricate details. Both approaches are commonly used in cnc machining to produce complex parts; the choice depends on part geometry, volume, material (many popular aluminum alloys are compatible), and required lead times for CNC-machined parts.
CNC machining quotations generally take into consideration material type (like 2017 aluminum, 6082 aluminum, MIC6 aluminum, etc.), complexity of part geometry, tolerances, surface finish (anodized aluminum options), quantity, machining operations required, secondary processes. Good suppliers will assess your cnc machining design, offer advice about the manufacturability of the part or manufacturing process optimizations, and provide transparent pricing that methodically reflects on setup, cycle time, and maybe fabrication services.
In each case, the aluminum alloy type is better suited to the required finish or performance requirements, resulting in improved properties. Aluminum 7085 in die fabrication or extrusion or 7075 in forging, 6063 and 6082 are the most common 6000-series (extrusion) aluminum alloys, which can be easily machined in the as-extruded condition, by anodizing it, and providing good appearance and corrosion resistance; anodized aluminum 2017 for high strength, and 7050, both typically applied in structural or aerospace architectural parts. Whether 1 requires anodized aluminum, good for anodizing and cnc machining that do not ionize, or some of the alloys milled, already used in cnc machining for having the best mechanical characteristics.
Custom fabrication services often integrate multiple CNC capabilities with the supervision required by many in-house companies to machine both metal and plastic parts, enabling integrated production. This includes numerous variables: different tooling, feeds and speeds, and fixturing. If the provider has computer numerical control (CNC) milling equipment, the manufacturer can optimize the workflow so that products with varying geometry and material characteristics still meet uniform quality and delivery criteria.
Aluminium is becoming increasingly popular for its light weight, corrosion resistance, and machinability, and is recyclable. It offers a wide range of grades to meet diverse requirements (strength, finishability, and weldability) and is widely used in CNC machining of aluminium across sectors. The machine should account for alloy selection, finishes (anodizing), design for manufacturability to reduce machining requirements, and whether these will be low-volume custom CNC batch prototypes or high-volume orders.
