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5 axis cnc machining service for complex parts

5-axis CNC Machining Services

✔ Get custom 5-axis CNC machined parts
✔ Hold tolerances to ±0.01 mm
✔ Scale flexibly, no minimum order quantity
✔ Lead times from 4 days

Rapid prototyping
and full-scale production
ISO accredited
& QC checks
All in-house
processes
Used in over
50 countries
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quotations

5-axis CNC Machining for Complex Geometries

5 Axis CNC Machining is our top choice for producing complex geometries and intricate shapes that would be challenging or impossible to achieve with 3- or 4- axis machining. From prototype to production, HLH Rapid delivers ultra-tight-tolerance 5-axis machining for aerospace, automotive, robotics & automation, and medical applications — combining advanced multi-axis technology with engineering-first precision.

What is 5-axis CNC Machining?

5-axis CNC machining is a subtractive manufacturing process in which a cutting tool moves simultaneously along three linear axes (X, Y, Z) and two rotational axes (A, B, or C). This allows the cutting tool to approach the workpiece from multiple angles, enabling complex parts to be machined in a single “Done in One” operation, reducing setup times, cycle times as well as reorientation costs.

 

Our Key Capabilities
Maximum Part Size3000 x 1200 x 850 mm  (118.1 × 47.2 × 33.5 in)
Minimum Part Size5 × 5 × 5 mm  (0.197 × 0.197 × 0.197 in)
Materials200+ metals and plastics
General Tolerances±0.05 mm (0.002 in)
Lead TimeFrom 4 days

3-axis vs. 5-axis CNC

Key Aspects of 3-Axis Machining

  • Constrained to linear axes only: X, Y, and Z.
  • Can only approach the workpiece from perpendicular angles.
  • Best for simple parts and small batch production.
  • May require multiple setups for complex parts.

 

Key Aspects of 5-Axis Machining

  • Performs all 3-axis movements, with two additional rotary axes (A, B, and/or C).
  • Added rotation allows for more creative and efficient machining setup.
  • Best for complex and intricate geometries and low-to-high volume production.
  • Can improve surface finish and accuracy.

The difference between 3 and 5 axis cnc milling services

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UK Office: Suite 11 & 12A, 44 Potternewton
Mount, Leeds, LS7 2DR, United Kingdom
Company Number: 12704810
VAT Number: GB393458263

Factory: Building A, Hongfa Industrial District
Houda Road, Daling Shan, Dongguan,
Guangdong, China

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Materials Available for Custom 5-axis Machining

PMMA

PMMA is known as a 50% lighter, clearer, more affordable, shatter-resistant alternative to glass. CNC machined PMMA or acrylic is commonly used for automotive lights and windows to smartphones screens.
Material Reference
Translucent, High Transparency, UV Transparent
Appearance
Black, Brown, White, Milky White Translucent
CNC Machined (PMMA) Acrylic)

HDPE

HDPE is an engineering plastic that offers excellent machinability. It has a high strength-to-density ratio and high durability. It's known as one of the most versatile plastic materials and is used for a wide range of applications.
Appearance
Many Colors
CNC HDPE part with as-machined finish

PET

PTE is a clear, strong and lightweight material that is very well suited for applications where complex parts and high dimensional accuracy and surface quality are needed.
Appearance
Colorless
CNC machined small PET material part

PC

Polycarbonate (PC) material has high impact resistance, wear resitance and can withstand functional testing. CNC machined transparent and opaque PC parts are commonly used in the medical, automotive, telecommunications industries.
Material Reference
Translucent PC, Black PC, Fireproof Black PC V0, PC+ABS
Appearance
Black, Translucent (or polished transparent)
Machined PC Part With High Polish Surface Finish

PE

PE is a strong durable, light-weight and flexible material. It is known as a 'safe' choice and can be machined for a wide variety of applications.
Material Reference
PE, HDPE, LDPE, White PE+15%GF
Appearance
Translucent
CNC PE Plastic Material

PVC

PVC is a durable material that can be easily machined, is resistant to weathering and chemicals and doesn't conduct electricity. This makes it widely used in applications, such as pipes, medical devices and electronics.
Appearance
Lacquered appearance, comes in many colors
CNC machined pvc material part with a smooth surface finish

Bakelite

Bakelite is a castable, fire-resistant plastic. It is lightweight, durable, and can be molded into nearly infinite shapes. Bakelite is popularly used for industrial purposes and making jewellery.
Appearance
Many Colors
CNC Machined Bakelite Custom Part

PEEK

PEEK is a tough, rigid, high performance engineering plastic with outstanding resistance to harsh chemicals and high temperatures. CNC machined PEEK is excellent for high precision aerospace and automotive parts.
Material Reference
PEEK
Appearance
Colourless, Light brown
CNC Machined PEEK Natural Material

PP

Polypropylene (PP) is a cost-effective CNC machining plastic that is durable, robust and resistant to many external factors. It is the second most extensively used plastic and is often known to be one of the safer choice.
Material Reference
Glass Filled
Appearance
White, Black, Many Colours
Precision CNC PP-GF Material Part

PBT

PBT, or polybutylene terephthalate, is a high strength and high rigidity plastic with stable electrical properties. CNC machined PBT parts are commonly used in the automotive and electronics industries.
Appearance
White to Bright Colors
PBT Material CNC Machined Part

PTFE

PTFE is a soft, low friction material with excellent chemical and weathering resistance. It is commonly used to make non-stick coating in kitchen cookwares, bearings, slide plates and many other components.
Appearance
Black, Grey
CNC machined PTFE material poles with smooth finish

ABS

ABS is an extremely rigid, versatile thermoplastic with fantastic chemical and weather resistance, making it great for outdoor applications like automotive acessories and aircraft panels.
Material Reference
White ABS, Black ABS, Cream ABS, Fireproof ABS
Appearance
White, Black, Cream, Milky
CNC Machined ABS Cream Color Parts

PEI

PEI is an amorphous thermoplastic with high mechanical strength and exceptional mechanical, thermal and electrical properties. PEI is often CNC machined to make make reusable medical devices such as stopcocks, instrument trays, and pipettes.
Appearance
Translucent and Amber
CNC PEI Material Part with Deburr Finish

POM

POM is a high crystaline, high-performance plastic with high rigidity, high mechanical strength and excellent wear resitance. It is commonly used in automotive parts, consumer goods and electronics.
Material Reference
Anti-static POM, Food Grade POM, 25% Glass Filled
Appearance
White, Black, Red, Blue
CNC Machined POM Components

Aluminium

We have 15+ years of experience in machining strong, light and cost-efficient Aluminium components for the aerospace and aviation, automotive, consumer electronics and many more industries.
Material Reference
AL7075, AL7075 T6/T7351, AL2024 T3/T4/T351, AL2024 T351/T6, AL6061, AL6061 T6/T651, AL5052 H32, AL5082, AL5083, AL2017,AL2017 T351/T4, ADC12, A380, LM24
Appearance
Silvery White
CNC machined Aluminium 6061-T6 part with deburr finish

Copper

Copper is a soft metal that can be easily shaped through CNC machining, and it has excellent electrical and thermal conductivity.
Material Reference
Pure Copper, Brass, Beryllium Copper, Bronze, Beryllium Bronze, Phosphor Bronze 510
Appearance
Pinkish Orage, Reddish Brown, Reddish-Gold, Yellow
CNC Machined Copper Metal Part with Threads

Steel

While steel is not corrosion resistant and it be tricky to machine, it is stronger and cheaper than stainless steel, making it ideal for toxic, long-lasting, durable cookware and many other applications.
Material Reference
Steel 45#, Alloy Steel, Spring Steel, Bearing Steel, Mild Steel, Cold Roll Steel, Tool Steel, 41CrALMo7, Magnetic Steel, Steel8620, Steel4130, Steel9310, Steel1018, Steel1010
Appearance
Silver
CNC Machined mild steel material part

Stainless Steel

Stainless steel is an incredibly versatile metal and is often used for CNC machining in the aerospace, automotive and medical industries. It is strong and highly resistant to corrosion and rust.
Material Reference
174PH, SS201, SS202, SS301, SS303, SS304, SS304L, SS316, SS321, SS310S, SS401, SS409, SS410, SS416, SS4140, SS4340, SS455, SS630, SS316L
Appearance
Silver
CNC Machined SS303 Metal parts
PMMA HDPE PET PC PE PVC Bakelite PEEK PP PBT PTFE ABS PEI POM Aluminium Copper Steel Stainless Steel

Surface Finishes Available for 5 Axis CNC Machining

With an extensive list of surface finishes available, HLH Rapid can enhance the surface quality of your 5-axis machined parts. Applying these finishes help improve the appearance of the components, their surface roughness, hardness, corrosion resistance, and more. They also hide visible tool marks on the products’ surfaces. Custom finishes available on request.

 

  • Deburr / As Printed
  • Anodization
  • Black Oxide
  • Chrome Plating
  • Electroless Nickel Plating
  • Painting
  • Passivation
  • Polishing

HLH Rapid’s 5-axis Machine Shop

HLH Rapid 5-axis CNC machining department

5-axis CNC Tolerance Chart

At HLH, our standard machining tolerance for prototypes and production runs are ISO-2678 Fine (F) for metals and Medium (M) for plastics, with tighter tolerances available upon request.

 

Metals With DrawingMetals No DrawingPlastics With DrawingPlastics No Drawing
Linear Dimension±0.01mmISO 2768 Fine±0.05mmISO 2768 Medium
Hole Diameters±0.008mmISO 2768 Fine±0.05mmISO 2768 Medium
Shaft Diameters±0.004mmISO 2768 Fine±0.05mmISO 2768 Medium

Design Guidelines for 5-axis CNC Machining

To achieve high dimensional accuracy, reduce curling, and successful prints, it is important that you design for the process. See the SLA design guidelines below.

 

FeatureRecommended Size
Minimum Feature Size0.5 mm (0.0197 in)
Minimum Hole Diameter1.0 mm (0.0393 in)
Maximum Hole Depth3x nominal diameter
Minimum Engraved DetailsHeight of 1.5 mm (0.0590 in); Depth after machining of 0.5 mm (0.0197 in)
Threads & Tapped HolesProduce threads from M2 to M24.

5 axis cnc machining a complex part

What is 5-axis CNC Machines Used For?

 

Aerospace Industry: Complex, high-precision components and intricate parts manufactured from high-strength, lightweight alloys.

Automotive Industry: Complex contoured parts, performance components, moulds, and large twisted geometries produced in a single setup.

Medical Industry: Custom surgical instruments, implants, housings, and precision components manufactured to meet demanding accuracy and quality requirements.

Electronics Industry: Precision enclosures, heat sinks, chassis, and intricate components requiring excellent accuracy and surface quality.

Robotics Industry: Complex robotic joints, grippers, assemblies, and housings with precise features and high-quality surface finishes.

Industrial Machinery & Equipment Industry: Precision tooling, fixtures, complex assemblies, impellers, shafts, and custom machine components.

Frequently Asked Questions (FAQs)

The cost of 5-axis CNC machining in the US and Europe can range from $75 to $150 per hour, or even higher in some cases. It can vary significantly depending on several factors including part complexity, quality of the machine, skill of the operator and the specific industry. 

5-axis milling services are typically more affordable in China due to lower labour costs for skilled machinists. For less complex parts or bulk production, rates starting around $30 per hour are not uncommon, but again, the cost can vary depending on factors such as the quality of the service, part complexity, and the location of the machining service within China.

Learn how workshops calculate the cost of your CNC part.

5-axis machines are used to create highly complex geometries and intricate parts with high precision, which would be difficult or impossible to achieve with traditional 3-axis milling. At HLH, our 5-axis milling services have been used to create a variety of complex parts, including engine blocks, cylinder heads, gearboxes, and pumps.

5-axis CNC machining is an incredibly versatile subtractive manufacturing technique that operates simultaneously along five different axes (X, Y, Z, A, and B) to remove material from a solid workpiece, allowing for complex and intricate cuts in a single setup.

5-axis machining is one of the most advanced processes available today. Its advantages include high accuracy and reliability, fewer machine setups, increased efficiency, the ability to produce complex and intricate geometries, enhanced surface finishes, and improved drilling capabilities.

5-axis machines are particularly useful for complex parts. However, if you only need a single part with less intricate geometries, 3- and 4-axis machining can often be a more cost-effective solution.

CNC machining CAD export file formats

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