Custom CNC Machining for Aluminium Parts

We accept customer drawings in a variety of formats and offer CNC machining services for aluminum parts with an accuracy of up to 0.01 mm. Our precision machining can handle a wide range of aluminum alloys, and we are happy to help you optimize your part design, reduce costs or improve performance.


Different Available Aluminum Materials

Aluminum 2024-T351

Demonstrates excellent strength and is well suited for applications subject to high stress.

Aluminum 6061-T651

Boasts good ductility, making it a versatile and easy-to-machine choice.

Aluminum 7075-T651 & T7

Offer the highest hardness and are suitable for high wear environments.

Aluminum Machining Service

Why Us

Why Choose Our Aluminum Machining Service

We can handle 13 different types of aluminum to create high-quality aluminum parts with complex structures and tight tolerances. These parts are perfectly adapted to applications that require high strength, corrosion resistance, heat resistance, lightweight, electrical conductivity, and superior versatility.

Equipped with state-of-the-art CNC equipment, we can transform aluminum blocks into complex components that meet tight tolerances, whether a simple shape or complex internal geometry. Furthermore, we offer a wide range of surface treatments and surface finishing options including, but not limited to, sandblasting, Type II and Type III anodizing.

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Why Choose Auminum

Aluminum is popular with the fabrication industry for its light weight, good mechanical properties, high thermal and electrical conductivity, and corrosion-resistant properties, and they provide an ideal balance of strength, workability, and cost.

  • Excellent machinability
  • High strength and hardness
  • Heat and corrosion resistance
  • Versatility
  • 100% recyclable

Machined Aluminium Applications

Automotive: Lightweight while providing a high strength-to-weight ratio, critical to engine components, body structures, and interior trim.

Aerospace: housings, mounts, and other components must withstand high loads while remaining lightweight and are used in a wide range of airframes, engines, and landing gear.

Industrial equipment and machinery: Fixtures, calipers, and a diverse range of precision parts used to improve mechanical efficiency and durability.

Aluminum Machined Parts Gallery

CNC Precision Aluminum Machining Parts: The Complete FAQ Guide

Before you import CNC precision aluminum machining parts, read this guide.

It answers all questions you have been asking about CNC machining aluminum parts.

Let’s dive right in.

What are CNC Aluminum Machining Parts?

These refer to a wide range of complex components with a definitive degree of precision manufactured using aluminum material.

They are designed and subjected to a subtractive precision machining process, which involves use of computerized systems and hi-tech cutting tools.

The components are derived from a stock piece commonly known as workpiece, machined according to the dimensions in the preprogrammed system.

CNC aluminum machining parts are available in a variety of sizes, shapes, and custom designs depending on your needs.

CNC Precision Aluminium Machining Parts

How can you Customize CNC Aluminum Machining Parts?

Customization of these components often starts at the prototype design modeling stage. Typically, there are numerous standard designs available in the manufacturer’s catalog.

When needing custom designs, you need to provide specific details regarding the dimensions and patterns during prototyping.

The designers happen to come up with a sketch of the preferred custom CNC aluminum machining parts.

The entire process utilizes a program known as Computer-Aided Design software.

During this stage, you can choose to alter the specific geometries, technical specifications, and relevant information on the prototype model.

When this is over, the entire information regarding the specific changes is converted into machining software known as CAM.

This software translated the coded language for the machining process to take effect.

Once the execution of the information is over, the machine then cuts the workpiece accordingly and ultimately provides the custom parts.

Alternatively, you may introduce new prompts to the pre-existing software at the machining stage.

It is a common option when a change of mind occurs after the machining process starts; thus, it is difficult to alter the prototype information.

All it takes is revising the codes and incorporating them appropriately to ensure you get the desired results.

Which types of equipment are used to machine CNC aluminum parts?

There are several, depending on the machining process you’re using to create CNC aluminum parts.

The most commonly used include the following;

Most of these machines are designed to provide ultimate precision, which is essential in most of the applications of these components.

Are Aluminum CNC Machining Parts durable?


Naturally, CNC machining components have high tensile and shear strength.

It is naturally corrosion-resistant since there is a thin layer which forms on the component’s surface.

In essence, it is essential in maintaining the structure of the equipment and increasing its lifespan.

CNC aluminum machining parts also have high resistance to mechanical breakage and excellent dimensional stability.

Moreover, certain amounts of elements such as zinc, copper and magnesium are often added when processing CNC aluminum machining parts.

This helps reinforce the components’ strength, making them resilient to different conditions.

Nevertheless, the general durability of the CNC aluminum machining parts depends on a host of variables.

One of these is the specific application of the components.

Some equipment employs highly intensive mechanical processes, which often tend to wear out these parts relatively fast.

On the other hand, other equipment is less intensive in mechanical machining; hence, the components would last longer.

The maintenance schedule is another factor that determines the durability of these types of components.

Properly maintained CNC machining parts are usually more durable than poorly maintained components.

In general, therefore, aluminum parts are naturally durable.

Even so, the durability, most of the time, is dependent on a wide range of factors.

What are the Technical Specifications of CNC Precision Aluminum Machining Parts?

Aluminum is regarded as one of the popular metals used in different types of applications.

It is a result of its ideal technical specifications, which make it suitable for various uses.

Some of these technical specifications include the following;

  • Highly machinable
  • Excellent dimensional stability
  • Superior shear and tensile strength
  • High resistance to corrosion
  • Lightweight
  • Extremely versatile
  • Excellent electrical and thermal conductivity
  • High ductility
  • Superior tolerance to extreme temperatures
  • Highly recyclable
  • Non-toxic

Where are CNC Aluminum Machines used?

Since aluminum is one of the most popular materials in the world, it means most of its components can be used in wide-ranging sectors.

The common applications you are likely to see CNC aluminum machines used include the following;

Aluminum CNC Parts

Automobiles – These components are widely used in the assembling of different types of motor vehicles.

They are essential in this application due to their strength and resistance to corrosion abilities.

Electrical industries – These parts have excellent electrical and thermal conductivity.

Therefore, they manufacture different equipment and machines in this sector.

Building and construction – Most components in the building and construction sector are made from CNC aluminum machining.

They are strong and lightweight, hence guaranteeing reliability and efficiency.

Consumer goods – These parts are ideal for manufacturing various consumer goods.

Most common items include electronics such as TV sets, washing machines, refrigerators, and sound systems.

Smartphones, laptops, and other modern tech gadgets are also among some of the consumer goods made using CNC aluminum parts.

Train industry – CNC aluminum components are also commonly used to manufacture trains and related accessories. They are essential in reducing the weight of trains, hence cutting down on resistance to friction.

Aviation industry – Most aircraft parts, engines and turbines are assembled using different types of CNC aluminum machining parts.

This is by these parts being lightweight, flexible and strong.

What are the Benefits of CNC Aluminum Machining Parts?

The advantages of choosing CNC aluminum machining parts for your particular applications include the following;

These parts are always readily available.

Aluminum is the third most available metal in the world. Therefore, you can be certain to obtain parts made from this material whenever you are in need.

These components are lightweight, hence reducing weight pressure for the specific application. It thus implies they are likely to last long before wearing out, giving you value for money.

CNC aluminum parts require little maintenance since it rarely loses its quality due to poor maintenance.

It also does not succumb to wear and tear due to a lack of maintenance routines.

They are 100% recyclable and tend to utilize less energy during the recycling process.

Moreover, this helps reduce carbon footprint, essential in maintaining a green environment.

CNC aluminum parts are also highly machinable.

It implies that you can customize it easily and obtain the desirable component that suits your needs.

You can use various types of CNC aluminum parts in different applications if they are compatible.

In essence, it means these components are versatile, hence the ideal choice.

What is the Ideal Size of CNC Precision Aluminum Machining Parts?

Aluminum CNC Parts Dimensions

CNC aluminum machining parts are available in different sizes.

The ideal size depends on your application requirements since different equipment often uses various component sizes.

What’s more, is that aluminum parts are easy to machine and fabricate. It thus implies you can always get the right size you require for your needs.

How do you manufacture CNC Aluminum Machining Parts?

The manufacturing process of CNC aluminum machining parts is relatively involved.

The exact method, therefore, depends on the specific machining process you are using to make the parts.

Nevertheless, the general principle of manufacturing these parts involves the following process;

1. Prototype Model Designing

It entails drawing a sketch using computer software referred to as CAD.

It has several programs, which help the designers determine aspects such as geometries, technical specifications, and other relevant dimensional elements.

2. Prototype Model Analysis

A team of experts review the design to examine whether or not it suits all the requirements.

At this stage, relevant amendments are carried out to ensure the model conforms to the machining requirements.

3. Preparation of Raw Materials

The primary raw material, in this case, is aluminum. It comes as a workpiece, which is attached to the CNC machine.

The experts review the suitability of the raw material in tandem with the specific machining parts.

In many instances, the dimensions and shape are vital when it comes to the preparation of the workpiece.

It helps facilitate an easy and faster machining process.

4. CNC Coding

It entails programming the respective CNC machine to generate the codes within the numerical system.

At this point, the conversion of CAD files into a CAM file takes effect.

The transfer of these CAD files into CAM files is to integrate them for subsequent execution of the commands during the machining process.

5. Machining Process

It is the actual phase where the workpiece is manufactured to yield the desired aluminum tools. It follows the commands executed by the CAM files.

The since-cutting tools conform to the relevant commands provided by the CAM software files.

At this point, you may also choose to include new prompts to the pre-existing software files if there is a need to revise the codes.

6. Surface Coating

Immediately after machining, the tools are subjected to specific surface coating treatments.

It involves a different process, and the specific surface coating depends on the application of the components or the customer’s preference.

7. Inspection

At this stage, the fundamental essence is to verify the quality of the CNC aluminum parts produced.

It is an important element in the production process since it helps comply with quality control measures.

8. Packaging

This entails placing the machined CNC aluminum components into specific containers awaiting collection or shipping.

It is an automated function in this process, hence comparatively effective.

What are the varieties of CNC Precision Aluminum Machining Parts?

They vary from one application and equipment to another.

Even so, the common ones you are likely to come across in different applications include the following;

Milling Aluminum Parts

Front panels

Lighting fixtures

Optical reflectors

Engine parts

Door handles and knobs

Cooking utensils

EMI housings

Dowels pins

CPU heat sinks

Electronic enclosure

AC conductors

Spline shafts

Medical devices

Auto body parts


What are the Best Types of Aluminum Materials for Machining Parts?

Aluminum has a wide variety of alloys suitable for different fabrication needs and applications.

Some of the highly regarded ones in the aspect of machining, which guarantee best results, include the following;

· Aluminum 6061

It is a precipitation-hardened aluminum alloy containing silicon and magnesium as its primary alloying elements.

It is known for its excellent strength-to-weight ratio and heat-treatability.

Moreover, aluminum 6061 has great formability, and weldability makes it a suitable option for engineering and structural applications.

· Aluminum 7075

This refers to an aluminum alloy containing zinc as its primary alloying element. It is regarded among the best types of aluminum for making CNC machining components.

It exhibits excellent mechanical features, good ductility, and high tensile strength.

Ideally, aluminum 7075 has an excellent strength-to-weight ratio.

It is suitable for manufacturing highly stressed aircraft parts.

It is also common in applications revolving around transportation and others where strength is critical.

· Aluminum 5052

This refers to the type of aluminum alloy containing magnesium and chromium as the primary alloying elements.

It is non-heat treatable and has excellent corrosion resistance, particularly to salty water. Aluminum 5052 is fairly machinable and can be machined in a hard temper better than in the annealed state.

It is common for applications such as the manufacturing of fuel tanks, highway, and rod signs, among other types of aluminum sheets.

What Materials can replace CNC Machining Parts in place of aluminum?

The alternative materials you can use in place of CNC aluminum parts include the following;

  • Brass
  • Zinc
  • Copper
  • Cast iron
  • Stainless steel
  • Titanium
  • Carbon steel

Most of these materials have relatively more or less the same properties as aluminum. Therefore, you are likely to get almost the same results should you consider them for CNC machining parts.

What do you need to Consider when Purchasing CNC Precision Aluminum Machining Parts?

Aluminum is one of the leading materials for machining since it exhibits ideal machinability properties.

Therefore, it becomes essential to look into a few critical aspects when purchasing CNC aluminum machining parts.

Some of these factors include the following;

Aluminum grade – The ultimate choice for the aluminum grade you select depends on your machining demands.

The grades have varying features, thus the essence of ensuring you select the parts made of the right aluminum grade for your application.

CNC aluminum prototype – In many instances, aluminum machined prototypes are often manufactured depending on different types of alloys.

For instance, 6061 often caters to electronics, aerospace, military, and transportation applications.

Type of machining process – CNC machining is quite broad.

It involves different types of processing, such as turning, milling, and grinding, among others. Therefore, you need to select specific components based on the machining process.

Brand – Several manufacturers nowadays make different types of CNC precision aluminum machining components.

Thus, you must consider the specific brand you buy based on popularity, reliability, and performance.

Price – It is always important to determine the cost of purchasing these components. They are priced differently based on numerous variables.

Therefore, ensure you negotiate with the supplier to get the best deals.

Compatibility – Ensure the CNC aluminum machining components you purchase are compatible with your specific application.

What is the Tolerance you achieve with CNC Precision Aluminum Machining Parts?

CNC Turning Aluminum Parts

The specific type of CNC machining process and application requirements determine the exact tolerance you need for the part.

In many instances, you can always attain a tolerance of 25-50 microns on CNC aluminum parts.

In other cases, you can achieve a machining tolerance of below 25 microns.

However, you can also attain a +/- 0.01mm tolerance for mid-range CNC aluminum components.

You can obtain a tolerance range of 5.12 microns in extreme circumstances for CNC precision aluminum machining parts.

Of course, this is essential, given most of these parts are utilized in various applications where precision is a great concern.

Do CNC Aluminum Machining Parts Get Brittle with Time?

In most instances, this depends on the exact type of aluminum alloy the components are manufactured from.

Ideally, heat treatment tends to have certain effects on this particular metal.

However, in all conditions or applications, the machining components at room temperature would alter their molecular structure.

Some alloys of aluminum tend to be sensitive to salty water and hence, can easily be brittle.

However, if the component is static, it won’t necessarily change much except a few surface action on negligible results.

In general, though, depending on the aluminum alloy, most of the alloying elements tend to precipitate out of solution.

This, therefore, results in a change in the grain structure.

At any specific rate, the hardness of the CNC aluminum parts often tends to change over time.

Are there surface coatings you can apply to CNC aluminum machining parts?

Most definitely.

CNC precision aluminum machining parts’ surfaces can be coated using different elements.

The common surface coatings for these parts come in two main categories. They include the following;

Mechanical surface finishing

They include buffing, shot blasting, embossing, barrel polishing and dull surface finishing.

The other mechanical surface coating includes powder coating and machined finishing.

Anodic oxide coating

In some instances, it is referred to as Alumite.

It is regarded as one of the strongest surface coating technologies for CNC aluminum parts.

Generally, aluminum material forms a thin aluminum oxide film on its surface as it reacts with atmospheric oxide.

This element hardly changes upon formation; instead, it protects the internal components of aluminum.

This is the reason aluminum hardly corrodes unless it is in extreme conditions.

The essence is always to prevent these parts’ surfaces from corrosion and enhance durability. They also come in handy from the perspective of improving the aesthetic appeal of the aluminum parts.

How Strong are CNC Aluminum Machining Parts?

CNC aluminum machining parts are manufactured from a fairly malleable raw material.

However, the parts are among the strongest compared to components made from other materials.

CNC aluminum parts are made from aluminum alloyed with zinc, copper, and magnesium.

These alloying elements help to enhance the overall strength of these components and related accessories.

Depending on the application and machining mode, most CNC aluminum parts exhibit reasonable impact and tensile and compressive strength abilities.

The balance of strength and malleability in CNC aluminum parts makes them suitable for numerous applications.

Can you Recycle CNC Precision Aluminum Machining Parts?

CNC Precision Aluminum Machining

Absolutely 100%.

Aluminum is 100% recyclable hence making it one of the leading recycled materials in the world.

You can recycle all types of aluminum machined components and reuse them over and over again in a true closed loop.

Moreover, reprocessing hardly affects its molecular structure. The recyclability of CNC aluminum machining parts is advantageous since it reduces cost of waste to landfill. It also helps in conserving this important resource.

What is the Cost of Purchasing CNC Precision Aluminum Machining Parts?

The price of CNC aluminum machining components usually varies depending on the exact grade of aluminum they are made of.

Moreover, the quantity of aluminum parts you are purchasing also influences the cost you’ll pay. The specific brand you are buying also influence the cost of these components.

What’s more, is that the prices are dependent on the design pattern of the parts and the extent of customization needs.

In other words, there is no fixed price for purchasing CNC precision aluminum machining parts. It depends on these hosts of variables.

Is there MOQ when Buying CNC Precision Aluminum Machining Parts?

Not necessarily.

However, it depends on the supplier or manufacturer you are purchasing these types of parts from.

Some have a fixed MOQ based on the unit price, whereas other suppliers have flexible MOQ.

It is important to inquire from your preferred manufacturer and negotiate on the ideal MOQ depending on your needs.

How long does it take to Manufacture CNC Aluminum Machining Parts?

The turnaround for manufacturing CNC aluminum machining parts vary depending on different elements. Some of these factors include the following;

  • Pending orders from other customers
  • Customization needs when manufacturing the CNC aluminum parts
  • The order quantity
  • The manufacturer’s turnaround policies

It thus shows there is no precise turnaround time for manufacturing these types of parts. But most producers, however, provide a lead-time of between 2-8 weeks.

Nevertheless, there is always a facility, which allows for rush order. It merely means your order can be processed in less than the specific timeline the manufacturer provides.

What are the Quality Standards that CNC Aluminum Machining Parts should comply with?

The commonly used quality standards for these types of components include the following;

  • ISO 9001
  • CE Mark
  • ASTM International
  • PMPA
  • API Q1 & Q2 Certification

What are the Benefits of Importing CNC Aluminum Machining Parts from China?

China provides the best markets for purchasing different types of CNC precision aluminum machining parts. Some of the beneficial reasons for buying these parts from China include the following;

Wide variety of CNC aluminum machining parts

Several manufacturers hence broadening buying options

  • Affordable rates
  • Flexible MOQ
  • Guaranteed quality CNC aluminum machining parts

In short, I hope this guide answers every question you have been asking about CNC precision aluminum machining parts.

However, in case you have any question or inquiries, Hokare Machinery engineers are ready to help.

Contact us now for high-quality, custom design, and cost-competitive CNC precision aluminum machining parts.

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