Aerospace

Expert CNC Machining for Custom Parts – Enhancing Your Project with Precision and Quality

CNC Machining in the Aerospace Industry

Our company excels in delivering high-precision CNC machining services for the aerospace industry, manufacturing critical components such as Fixtures and Fittings, Avionics, and Seals and Bearing Housings. Utilising cutting-edge CNC technology and the expertise of our skilled machinists, we ensure that every part meets the exacting standards and rigorous demands of aerospace applications.

Our focus on quality and precision results in components that enhance the performance, safety, and reliability of aircraft and spacecraft. By providing durable and high-performance parts, we play a crucial role in the aerospace supply chain, supporting the advancement and innovation within the industry.

Avionics

Cockpit Instrumentation

Fixtures & Fittings

Interior & Seat Interior

Seals & Bearing Housings

Services

Get in touch with your specific project requirements for a quote and lead time.

CNC Milling

3, 4 and 5 Axis Machining

ISO 9001 Certified

See our CNC Milling Services

CNC Turning

Horizontal & Vertical Lathes

Wide Range of Materials

See our CNC Turning Services

Product Assembly

Part or Full Assembly

Assemble To Order

See our Product Assembly Services

Valves & Manifolds

Hydraulics & Pneumatics

24/7 production

See our Valves & Manifolds Services

Delivering Precision

Your Project – Our Precision

Get a Quote

Submit Requirements

Use our contact form to send us your project details, including quantities, materials, surface finishes etc.

Receive Quote

Our team will review your project requirements and provide you with a quote and lead time.

Production

Our skilled machinists leverage cutting-edge machinery to meticulously craft your components.

Quality Control

We apply our strict quality control process to ensure your components are produced to the highest standard.

Aerospace x CNC Machining

1. Design Phase

The process begins with a CAD (Computer-Aided Design) model of the part to be manufactured. Engineers create detailed 3D models that include all specifications and tolerances.

2. Conversion to CNC Program

The CAD model is converted into a CNC program using CAM (Computer-Aided Manufacturing) software. This program contains a series of G-code instructions that guide the milling machine’s movements.

3. Setup

The material (workpiece) is securely fastened to the machine’s worktable or in a vice. The appropriate cutting tools are selected and installed.

4. Machining

The CNC milling machine follows the G-code instructions to precisely cut and shape the material. The machine moves along multiple axes (typically X, Y, and Z) to achieve the desired geometry.

5. Finishing

After the initial milling, additional processes such as deburring, sanding, or polishing may be performed to achieve the final surface finish and dimensional accuracy.

Precision and Accuracy

CNC machines can achieve tolerances as tight as ±0.001 inches (±0.025 mm), ensuring that each part meets exact specifications. This high level of precision is crucial for industries such as aerospace, automotive, and medical device manufacturing, where even the smallest deviations can lead to significant issues.

Repeatability

Once a design and program are created, the same part can be reproduced consistently with minimal variation. This repeatability ensures that each unit produced is identical to the original, maintaining high-quality standards across large production runs. This feature is particularly beneficial for industries that require mass production of parts.

Efficiency

CNC milling machines can operate continuously without the need for frequent breaks, making them highly efficient for production purposes. This efficiency translates to lower production costs and faster turnaround times, allowing manufacturers to meet tight deadlines and increase overall productivity.

Scalability

CNC milling is highly scalable, making it suitable for both small-scale production and large-scale manufacturing. Whether a company needs to produce a single prototype or thousands of parts, CNC milling can accommodate varying production volumes with ease. This scalability makes CNC milling an attractive option for businesses of all sizes, from startups to large enterprises.

3 Axis Machining

3-axis machining is the most fundamental form of CNC machining, involving the movement of the cutting tool along three linear axes: X, Y, and Z. This setup is ideal for straightforward tasks and less complex parts, as it allows for basic contouring, drilling, and milling operations.

Its simplicity makes it easier to program and operate, making it a cost-effective option for prototyping, basic part production, and educational purposes. However, it is limited in its ability to handle undercuts or more intricate geometries, which require more advanced multi-axis capabilities.

4 Axis Machining

4-axis machining builds on the capabilities of 3-axis machining by adding a rotational axis, known as the A-axis, which allows the workpiece to rotate. This additional axis enables the machining of more complex parts with features on multiple sides without needing to manually reposition the workpiece.

The increased flexibility and efficiency make it suitable for producing parts like gears and cylindrical objects, as well as for engraving intricate designs on curved surfaces. The improved precision and reduced setup times enhance productivity and make it an excellent choice for more complex components.

5 Axis Machining

5-axis machining is the most advanced form of CNC machining, incorporating three linear axes (X, Y, Z) and two rotational axes (A and B). This configuration allows the cutting tool to approach the workpiece from virtually any direction, providing unmatched versatility and the ability to machine extremely complex parts with intricate geometries and undercuts.

The continuous machining capability along curved surfaces results in superior surface finishes and higher-quality parts. This level of sophistication is essential for industries such as aerospace, medical devices, and automotive manufacturing, where precision and intricate detailing are critical.

Frequently Asked Questions

How long does it take to get a quote?

Our goal is to deliver prompt and efficient service to our clients. After receiving your request, you can usually expect a quote within 24 to 48 hours, depending on the number of parts involved. This time frame allows us to thoroughly evaluate your project and provide a detailed, competitive quote. For more intricate projects, additional time may be needed to ensure precise estimates.

Where are you based?

Located in Norwich, UK, our company boasts a cutting-edge facility featuring the latest CNC machining technology. This enables us to provide precision engineering services to clients across the country.

Address:
Liberamus House
Witchcraft Way
Rackheath Industrial Estate
Norwich
NR13 6GA

How do you ensure the quality of machined parts?

“The Milltech Quality Assurance ethos is that quality does not have to be demanded by our customers as it is an integral element of our processes”

Our test and inspection facility provide the highest standard of quality control. The quality system is under constant review by all members of staff to ensure that all components and finished products conform to the highest standards.

Read more on our Quality page.

Launch your projects with the guarantee of precision.

We make rapid prototypes early in the process and continue to revise machining operations to ensure that the parts always meet our customers needs.

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