CNC Machining

What is CNC Machining?

CNC machining is a subtractive manufacturing process that uses rotating computer-controlled cutting tools like drills, end mills, and turning tools to remove material from a solid block of material, thereby shaping the part.

Digital design files direct the CNC machines how to cut the block (also known as the “workpiece”) and multiple machines can use the same design file at the same time, which greatly increases the speed of the production process.

CNC machining is a viable option for manufacturing parts with a range of materials, from plastic and metal to wood, fiberglass, and more. Fast Radius can rapidly produce your CNC-machined parts with tight tolerances and excellent mechanical properties.

Producing parts with CNC machining

We’re proud to offer a number of traditional manufacturing methods, including CNC machining. We use lathe-, router-, mill-, and drill-based CNC machining equipment.

3-axis milling

5-axis milling

Turning

Max. part size

• 2000 x 1200 x 500 mm
• 78.7 x 47.2 x 19.6 in
• 2000 x 1200 x 500 mm
• 78.7 x 47.2 x 19.6 in
• Ø 350 x 600 mm
• Ø 13.8 x 23.6 in

Min. feature size

• Ø 0.50 mm
• Ø 0.019 in
• Ø 0.50 mm
• Ø 0.019 in
• Ø 0.50 mm
• Ø 0.019 in

Best achievable tolerance

• +/- 0.01 mm
• +/- 0.0004 in
• +/- 0.005 mm
• +/- 0.0002 in
• +/- 0.01 mm
• +/- 0.0004 in

Lead time

As low as 8 days for
less than 50 parts
As low as 10 days for
less than 50 parts
As low as 8 days for
less than 50 parts

Our team of engineers can help optimize existing designs across manufacturing processes. We also provide deeper design engagements and consultative services to help bring a part to life from the ground up.

Plastic

Aluminum

Stainless Steel

Other steel

Other metal

ABS6061303Mild steelBrass
Nylon 66061 - T6304Alloy steelCopper
Acetal (Delrin)6082316Tool steelTitanium
Polycarbonate70752205 DuplexInquire for additional options
PVC17-4
HDPE420
PTFE (Teflon)
PEEK
G-10
Nylon 30%GF
UHMW

FINISHING/POST-PROCESSING OPTIONS

As machined (standard)Bead blastingPolishingHeat treating
AnodizingBrushingScreen printingPassivating
Powder coatingPaintingEngravingPlating

Let’s make your CNC-Machined parts. Right now.

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Achieved a 95% first pass yield.

Made possible with Fast radius

Every day we’re working with the world’s leading product manufacturers to make the parts that matter most to their businesses.

Common CNC machining Applications

CNC machining is often used to produce industrial hardware products in a subtractive manner from metal or plastic.

Tooling

Make complicated cuts at various angles.

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Niche manufacturing processes

Cut durable metal products that alternative processes can’t create.

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Medium- to high-volume production

Cost-effective for production runs in the hundreds and thousands.

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Metal fabrication

Safe and effective way to meet the demand for high-quality metal parts with exceptional tight tolerance.

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CNC machining ADVANTAGES AND CHALLENGES

Because CNC machining doesn’t require the creation of expensive molds, manufacturers can begin production far sooner than they can with other processes. CNC machining is highly automated, enabling production both during and outside work hours with minimal input from human workers. What’s more, multiple CNC machines can work from the same design, simultaneously producing identical parts — ultimately shortening production lead times and saving on costs.

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ADVANTAGES

  • Excellent mechanical properties
  • Established technology
  • Wide variety of materials
  • Scalability
  • Consistency and precision
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CHALLENGES

  • Unused material
  • Limited part geometry
  • Higher initial cost

CNC machining resources

Learn more about the CNC machining services we offer at the Fast Radius resource center.

What type of CNC machining is right for my project?
CNC grinding
Key considerations for manufacturing plastic parts with CNC machining
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5 of the most common myths about CNC machining
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One-stop Manufacturing

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Fast Radius Virtual Warehouse

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Additive Manufacturing Hosted Capacity

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Additive Exploration Workshop

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Application Launch Sprint

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Application Launch Program® (ALP)

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