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Understanding CNC Turning of Hard Anodised Aluminum - A Comprehensive Guide

CNC turning of hard anodised aluminum is an integral process in various industries, including automotive, aerospace, and electronics. This process is critical for creating parts and components that are strong, durable, and resistant to wear and tear.

The Basics of Hard Anodising and CNC Turning

Hard anodising is a controlled oxidation process that converts an aluminum surface into a hard, durable layer of aluminum oxide. This layer enhances the overall properties of aluminum, including strength and durability.

CNC turning, on the other hand, is a precise machining process that creates complex parts by spinning a workpiece and cutting away material using a stationary cutting tool.

The combination of these two processes results in high-quality, durable, and precise aluminum components.

Advantages of CNC Turning of Hard Anodised Aluminum

There are several unparalleled benefits to CNC turning hard anodized aluminum, owing to the unique properties of the material:

1. Enhanced Durability: The anodized layer offers increased hardness and wear resistance, boosting the product's lifespan.

2. Superior Aesthetics: Hard anodising imparts a rich metallic appearance which does not peel or chip off. It also provides an excellent base for coloring and sealing.

3. Improved Corrosion Resistance: A hard anodised layer is non-porous and resistant to corrosion, making it ideal for applications exposed to harsh environments.

CNC Turning Process for Hard Anodised Aluminum

We will now delve into the CNC turning of hard-anodized aluminum.

Preparing Aluminum for Hard Anodising

The first step involves preparing the bare aluminum surface for anodisation. This includes a thorough cleaning to rid the surface of any impurities, followed by a pre-treatment process to ensure the surface is conducive to anodizing.

The Anodising Process

Next, the aluminum part is submerged in a sulphuric acid electrolyte solution and subjected to electrical current. This causes controlled oxidation - forming a layer of aluminum oxide on the surface of the part.

CNC Turning the Hard Anodized Component

Once hardened, the part is ready for CNC turning. The exact approach to turning depends on the specific requirements of the part – its shape, size, and function. However, for hard anodized aluminum, it's vital to use a sharp, high-speed steel tool to ensure clean and precise cuts without damaging the anodised layer.

Final Touches

After turning, the part may go through further processes such as polishing or coloring, depending on the desired aesthetic and functional properties.

Quality Control

Throughout each step of the process, quality control measures must be in place to ensure the final product meets the required specifications and standards.

So, while there may be multiple ways to manufacture parts, CNC turning of hard anodised aluminum has proven time and again to be a superior approach for a wide range of applications. This process, though complex, offers amazing benefits and contributes significantly to the success of the products that employ it.

Undoubtedly, the CNC turning of hard-anodized aluminum will continue to play its part in manufacturing for many years to come, supporting industries worldwide.

Embracing and understanding this process could help your company achieve new measures of success in product development and manufacturing. This knowledge may even lead to innovations in your own processes. Remember, the best way to improve is to never stop learning.

cnc turning aluminum hard anodise

What is CNC Turning

CNC turning is a process that involves using computer numerical control (CNC) machines to shape and finish various materials, such as metals and plastics, into desired shapes and sizes.
This process is typically used in the manufacturing industry to produce precision parts and components for a wide range of applications, including automotive, automation, aerospace, medical, machinery, and industrial.

CNC Turning service

Asianstar Professional CNC Turning Service

Asianstar CNC turning Service offers precision machining for a wide range of materials, including metals, plastics, and composites. With high level facilities and skillful operators, we can produce high-quality parts with tight tolerances and intricate designs.

Our CNC turning capabilities allow us to produce parts with diameters ranging from 0.5 mm to 480mm and lengths up to 450mm. We offer both single and multi-axis turning, as well as live tooling options for added complexity and accuracy.

We use proven processes and quality control measures to ensure that every part we produce meets our clients' specifications and expectations.

Whether you need a single prototype or high-volume production runs, our CNC turning service can provide the precision and reliability you need to get your project completed on time and on budget.

CNC Turning service

Components Sizes of Asianstar CNC Turning Service

Unit (mm) Min Max
Out Diameter 0.5 480
Inner Diameter (Hole) 0.3 465
Length 1.0 450
Groove Diameter 0.4 above
Thread M1.2 above

Components Tolerance of Asianstar CNC Turning Service

Unit (mm) Tolerance according to sizes
Height Tolerance Diameter Size 0.5 to 3 3 to 6 6 to 30 30 to 120 120 to300 300 to480
Tolerance ±0.003 ±0.010 ±0.020 ±0.030 ±0.035 ±0.040
Length Tolerance Length Size 0.5 to 3 3 to 6 6 to 10 10 to 20 20 to 30 30 above
Tolerance ±0.010 ±0.020 ±0.250 ±0.250 ±0.030 ±0.035

Components shape and position tolerance of Asianstar CNC Turning Service

Tolerance Class followed Tolerance (mm)
Straightness and Flatness Verticality Symmetry
10 10 to 30 30 to 100 100 to 300 300 to 1000 1000 to 3000 to 100 100 to 300 300 to 1000 1000 to 3000 to 100 100 to 300 300 to 1000 1000 to 3000
H ±0.015 ±0.02 ±0.03 ±0.05 ±0.10 ±0.15 ±0.02 ±0.025 ±0.03 ±0.035 ±0.02 ±0.03 ±0.04 ±0.05

Capability of Asianstar CNC Turning Service

Type of Turning Machine Diameter Size (mm) Length Size (mm) Productivity (PCS/Month)
Auto Turning Machine Simple Turning Machine Multi Turning Machine Pin Turning Machine Min 0.5 Max 480 Min 1.0 Max 450 200’000/Item

ADVANTAGE OF ASIANSTAR CNC MACHINING SERVICE

Multiple Machining Processes

Multiple Machining Processes

Asianstar has various machining processes to support different types of components from client, we can choose the best suitable manufacturing solution to carry result in perfect performance and cheap cost

Flexible Custom Service

Flexible Custom Service

With skillful machining technologies, Asianstar is flexible to support clients on different materials and different structures of the components, we also flexible on the components quantities and even assembly

Create Designing for Clients

Create Designing for Clients

Not only producing according to clients drawings, Asianstar also propose the better designing to clients, supporting clients to buildup improved designing or even new generation components

Standard Procedures

Standard Procedures

Asianstar production, as experienced by many years, is strictly following internal Standard Operating Procedures, to make sure the production schedule is smooth and plans are well carried out well without accidents

Standard Procedures

Standard Procedures

Asianstar strictly controlling product quality by system. We start QC controlling from production plan once setting up, to production process by monitoring QC checking and until the final Inspection before packing

Fast Lead-Time Delivery

Fast Lead-Time Delivery

Asianstar strictly control the production processes, teams keep the plan moving ahead according to the procedures, we have internal time management schedule which mostly bring earlier lead-time of delivery

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.

OUR CNC MACHINING SERVICES

CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.

FAQ GUIDE

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    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

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