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Fuselage Frames CNC Machining for Aerospace parts

Aircraft fuselage frames are critical load-bearing structures that define the aircraft’s shape, strength, and rigidity. At Zintilon, we specialize in precise CNC machining of these complex aerospace components, working with aluminum alloys (2024, 6061, 7075) for lightweight durability, titanium for high strength-to-weight ratio, and advanced composites for complex geometries.
  • Tight tolerances up to ±0.0001 in
  • 3 & 5-axis machining for complex fuselage geometries
  • Rapid prototyping and high-volume production support
  • Superior surface finishes: anodizing, passivation, polishing, coatings
  • AS9100D certified quality and reliability


Trusted by 15,000+ businesses

Why Top Aerospace Manufacturers
Trust Zintilon

Increased Productivity

Increased Productivity

Engineers get time back by not dealing with immature supply chains or lack of supply chain staffing in their company and get parts fast.

10x Tighter Tolerances

10x Tighter Tolerances

Zintilon can machine parts with tolerances as tight as+/ - 0.0001 in -10x greater precision compared to other leading services.

World Class Quality

World Class Quality

Zintilon provides aerospace parts for leading aerospace enterprises, verified to be compliant with ISO9001 quality standard by a certified registrar. Also, our network includes AS9100 certified manufacturing partners, as needed.

Premium Aerospace Alloys

Premium Aerospace Alloys

2024-T3, 6061-T6, 7075-T6 aluminum optimized for your specific application

Advanced Multi Axis Machining

Advanced Multi-Axis Machining

3-axis and 5-axis CNC for I-beams, C-channels, tapered spars, and complex geometries

Rapid Development Cycles

Rapid Development Cycles

Prototype to certified production in weeks, not months

Aerospace Grade Surface Treatments

Aerospace-Grade Surface Treatments

Anodizing Type II/III, passivation, polishing, shot peening, and custom coatings

AS9100D Quality Certification

AS9100D Quality Certification

Complete traceability and documentation for regulatory compliance

Flexible Production Scaling

Flexible Production Scaling

Single prototypes to 10,000+ unit production runs with consistent quality

From Prototyping to Mass Production

Zintilon provides CNC machining for aerospace fuselage frames and related components only for projects that are not subject to export restrictions.

Prototype Fuselage Frames

Obtain high-precision prototypes of aircraft fuselage frames that accurately replicate your final design. Test material strength, verify structural integrity, and ensure perfect fit before full-scale aerospace production.

Key Points:

  • Rapid prototyping with high precision

  • Tight tolerances (±0.0001 in)

  • Test design, material, and performance early
3 Axis CNC Machined Stainless Steel Passivation

EVT – Engineering Validation Test

Quickly iterate on fuselage frame prototypes to ensure they meet all functional and performance requirements. Identify potential issues early for a smoother transition to full-scale aerospace production.

Key Points:

  • Validate prototype functionality

  • Rapid design iterations

  • Ensure readiness for production
Anodized Aluminum 1024x536

DVT – Design Validation Test

Validate the appearance and functionality of fuselage frames using various materials and surface finishes to ensure design accuracy and optimal performance before full-scale production.

Key Points:

  • Confirm design integrity and aesthetics

  • Test multiple materials and finishes

  • Ensure production-ready performance
design aluminium

PVT – Production Validation Test

Verify large-scale production feasibility for Fuselage Frames and identify potential issues before full manufacturing begins to ensure consistency and efficiency.

Key Points:

  • Test large-scale production capability

  • Detect and fix process issues early

  • Ensure consistent part quality
Anodized Titanium Fastener

Mass Production

Produce high-quality, end-use fuselage frames at scale with precision and speed, ensuring reliable performance and on-time delivery for aerospace applications.

Key Points:

  • Consistent, high-volume production

  • Precision machining for aerospace-grade quality

  • Fast turnaround with strict quality control
production

Simplified Sourcing for
the Aerospace Industry

Our aviation industry parts manufacturing capabilities have been verified by many listed companies. We provide a variety of manufacturing processes and surface treatments for aerospace parts including titanium alloys and aluminum alloys.

Explore Other Aerospace Components

Discover our full range of precision CNC machined aerospace parts, designed for strength, durability, and exact fit. Explore components for engines, fuselage, tail sections, landing gear, and more to meet every aircraft manufacturing need.

Aircraft Fuselage Frames
Machining Capabilities

Our state-of-the-art 3-axis and 5-axis CNC machining centers, combined with a team of skilled aerospace engineers, enable the precision manufacturing of aircraft fuselage frames that meet the highest industry standards. From simple structural sections to complex contoured frames, we ensure every fuselage frame is lightweight, durable, and dimensionally accurate.

We also provide precision CNC turning for cylindrical features, CNC grinding and finishing for smooth surfaces and consistency, and additive manufacturing integration to support hybrid designs and rapid prototyping. Each frame is machined from high-strength aluminum alloys (2024, 6061, 7075), titanium, or advanced composites, ensuring superior performance and structural reliability for aerospace applications.
milling

CNC Machining

sheet metal

Sheet Metal Fabrication

edm

Wire EDM

casting

Metal Casting

Aerospace
Materials & Finishes

Materials
We provide a wide range of materials, including metals, plastics, and composites.
Finishes
We offer superior surface finishes that enhance part durability and aesthetics for applications requiring smooth or textured surfaces.

Specialist Industries

you are welcome to emphasize it in the drawings or communicate with the sales.

CNC Machining Materials

There are a number of materials available in CNC machine shop, we have 100+ metal materials for you to machine rapid prototyping and complex parts with high quality.
Aluminum Image

High machinability and ductility. Aluminum alloys have good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.003 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Zinc Image

Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Titanium Image

Titanium is an advanced material with excellent corrosion resistance, biocompatibility, and strength-to-weight characteristics. This unique range of properties makes it an ideal choice for many of the engineering challenges faced by the medical, energy, chemical processing, and aerospace industries.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Stainless steel Image

Stainless steel alloys have high strength, ductility, wear and corrosion resistance. They can be easily welded, machined and polished. The hardness and the cost of stainless steel is higher than that of aluminum alloy.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Steel Image

Steel is a strong, versatile, and durable alloy of iron and carbon. Steel is strong and durable. High tensile strength, corrosion resistance heat and fire resistance, easily molded and formed. Its applications range from construction materials and structural components to automotive and aerospace components.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.001 mm (routing)
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Bronze Image

Highly resistant to seawater corrosion. The material’s mechanical properties are inferior to many other machinable metals, making it best for low-stress components produced by CNC machining.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Brass Image

Brass is mechanically stronger and lower-friction metal properties make CNC machining brass ideal for mechanical applications that also require corrosion resistance such as those encountered in the marine industry.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Copper Image

Few metals have the electric conductivity that copper has when it comes to CNC milling materials. The material’s high corrosion resistance aids in preventing rust, and its thermal conductivity features facilitate CNC machining shaping.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Magnesium Image

Due to the low mechanical strength of pure magnesium, magnesium alloys are mainly used. Magnesium alloy has low density but high strength and good rigidity. Good toughness and strong shock absorption. Low heat capacity, fast solidification speed, and good die-casting performance.

Price
$ $ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Iron Image

Iron is an indispensable metal in the industrial sector. Iron is alloyed with a small amount of carbon – steel, which is not easily demagnetized after magnetization and is an excellent hard magnetic material, as well as an important industrial material, and is also used as the main raw material for artificial magnetism.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Let’s Build Something Great, Together

FAQs for Fuselage Frames

The cost of CNC machining is determined by the material, machining costs, labor costs, and the tooling and surface finish involved. Feel free to contact us for a quick quote.

A fuselage frame is the primary structural component of an aircraft’s body. It maintains the shape, strength, and rigidity of the fuselage while supporting aerodynamic loads and providing attachment points for wings, doors, and internal systems.

CNC machining ensures high precision and repeatability, which is critical for aerospace applications. It allows complex geometries to be machined accurately, maintains tight tolerances, and supports both prototyping and full-scale production.

Aluminum alloys (2024, 6061, 7075), titanium alloys, and carbon fiber composites are commonly used. These materials balance strength, weight, and corrosion resistance for safe, efficient aircraft performance.

Key CNC processes include:

3-axis CNC machining for simpler parts and high-volume runs
5-axis CNC machining for complex geometries and contours
Precision CNC turning for cylindrical components
CNC grinding & finishing for smooth surfaces
Hybrid additive manufacturing integration for prototyping and reinforcement

We can achieve tolerances as tight as ±0.0001 in, ensuring structural integrity and proper fit for all critical aircraft assemblies.

Yes, all fuselage frames are produced under an AS9100D certified network, ensuring full compliance with international aerospace quality standards.

Absolutely. We provide rapid prototyping, low-volume runs, and full-scale production, maintaining consistent precision and quality across all manufacturing stages.

We offer anodizing, passivation, polishing, and conversion coatings to improve corrosion resistance, aesthetics, and surface durability, tailored to aerospace requirements.

Challenges include maintaining dimensional accuracy on large parts, managing material warpage, and machining complex geometries. Zintilon addresses these with temperature-controlled environments, advanced fixturing, and CAD/CAM optimization.

Our CNC machined fuselage frames serve:

Commercial passenger and cargo aircraft
Private jets and corporate aircraft
Military aircraft and UAVs
Aerospace prototyping projects
Got any more questions?