Precision Aerospace CNC Machining Services

Precision CNC machining solutions for complex aerospace components in aluminum, titanium. From prototypes to low-volume production, we support tight tolerances, documented inspection and material traceability.

YuanYi's Aerospace CNC Machining Capabilities

YuanYi provides advanced equipment for aerospace CNC machining, from complex 5-axis components and small Swiss-machined parts to large structural parts produced on gantry machining centers. Our key equipment range supports prototypes, low-volume production and diverse aerospace component sizes. 

5-Axis CNC Machining

YuanYi’s 5-axis CNC Machines produce complex aerospace components with fewer setups, helping maintain positional accuracy across multiple surfaces. They are suited for structural brackets, avionics housings, thin-wall parts and components with deep cavities or compound angles.

YuanYi’s Swiss CNC machines manufacture small, complex and slender aerospace components with consistent dimensional accuracy. Typical applications include precision pins, shafts, bushings, connectors and custom fastener components.

Swiss CNC Machining
Gantry CNC Capabilities

Our gantry CNC machining centers provide the travel, rigidity and work envelope required for large aerospace components. They are suitable for structural frames, mounting plates, tooling, fixtures and other oversized parts that require stable machining across broad surfaces.

Aerospace Key CNC Machining Tolerance

Machining ProcessMax. Part Size / CapacityTypical ToleranceAdditional AccuracyAs-Machined Surface FinishFine / Polished Finish
5-Axis CNC Machining600 × 910 × 450 mm±0.005 mm—Ra 0.8–3.2 μmRa ≤0.2 μm
Swiss CNC Machining Bar: Ø1–100 mm
Chucked: Ø35–250 mm
Effective Length: ≤250 mm
±0.003 mm Roundness / Concentricity:
≤0.005 mm
Ra 0.4–3.2 μmRa ≤0.2 μm
Gantry CNC Machining 2300 × 1300 × 600 mm
Max. Table Load: 5000 kg
Up to ±0.01 mm Hole Accuracy:
Up to ±0.005 mm
Ra 0.8–3.2 μmRa ≤0.2 μm

CNC Machined Aerospace Parts

YuanYi manufactures aerospace machined components in aluminum, titanium and other performance alloys. Our CNC machine Shop capabilities support complex, tight-tolerance aerospace parts from prototypes to low-volume production.

Quality Assurance

Each aerospace machined part undergoes dimensional inspection to verify critical tolerances and specifications. Inspection reports and material traceability are available to support consistent quality from prototypes to production.

CMM inspection for precision CNC machined parts
Ring gauge storage for CNC quality inspection

Want to learn more about our inspection process?

View our full quality control system, testing process, and inspection capability.

Materials for Aerospace CNC Machining

We machine aerospace materials for structural, mechanical, electrical and high-performance polymer components.

*Materials available for CNC machining of aerospace structural, mechanical, electrical and high-performance polymer components.

MaterialCommon GradesPropertiesApplications
Aluminum Alloys7075, 2014/2014A, 6082Lightweight, high strength-to-weight ratio and good machinability.Structural components, frames, brackets and mounting parts.
Titanium AlloysTi-6Al-4VHigh strength-to-weight ratio, excellent corrosion resistance and good fatigue performance.High-load structural components, aerospace hardware and mechanical parts.
Stainless Steels17-4 PH, 15-5 PH, PH13-8MoHigh strength, corrosion resistance and good dimensional stability after heat treatment.Shafts, fittings, fasteners and load-bearing components.
Alloy Steels4130, 4140/42CrMo4, 15CDV6High tensile strength, toughness and wear resistance.Structural parts, shafts, supports and components exposed to high mechanical loads.
Engineering ThermoplasticsPEEK, PEI/ULTEMLightweight, heat resistant, chemically resistant and electrically insulating.Bushings, insulators, avionics components and lightweight non-metallic parts.
Copper AlloysC17200 Beryllium CopperHigh electrical conductivity, good wear resistance, strength and spring properties.Electrical contacts, connectors, spring components and precision parts.

Note: Material grades, heat treatment and certification requirements are subject to the applicable drawing and customer specification.

Surface Finishes for Aerospace Machined Parts

We provide surface finishing options for aerospace machined parts to improve corrosion resistance, wear performance and appearance. Finishes are selected according to the component material, operating environment and drawing requirements.

  • Type II Anodizing
  • Type III Hard Anodizing
  • Chemical Conversion Coating
  • Passivation
  • Electroless Nickel Plating
  • Nickel Plating
  • Powder Coating
  • Painting
  • Polishing
  • Heat Treatment

Surface finishing is completed through qualified processing partners and verified according to project requirements.

Why Choose YUANYI for Aerospace CNC Machining?

YUANYI combines precision machining, engineering support and documented quality control to deliver reliable aerospace machined parts from prototype development to low-volume production.

Engineering Support for Complex Parts

Our engineers review part geometry, tolerances, materials and finishing requirements to identify manufacturing risks and improve machinability before production.

Prototype-to-Production Flexibility

We support one-off prototypes, design iterations and low-volume production, helping aerospace projects move efficiently from validation to repeat manufacturing.

Inspection and Traceability

Critical dimensions are inspected according to drawing requirements. Dimensional reports, material certificates and traceability documentation are available based on project needs

Coordinated Manufacturing Solutions

From CNC machining and inspection to surface finishing, we coordinate each production stage to maintain consistent specifications, clear communication and dependable delivery.

Have a Complex Aerospace Part to Manufacture?

Upload your drawing and our engineering team will review your requirements and provide manufacturing feedback.

Upload Your Drawing →

Frequently Asked Questions

Aerospace CNC machining is the computer-controlled manufacture of precision parts for aircraft, spacecraft, satellites and related systems. It is used to produce complex components from aluminum, titanium, stainless steel and nickel alloys while meeting demanding requirements for dimensional accuracy, repeatability and surface quality.

Aerospace manufacturing commonly uses 3-axis and 5-axis machining centers, CNC lathes, mill-turn machines, Swiss-type lathes and gantry machining centers. The appropriate machine depends on the component’s size, geometry, material, tolerance and production quantity.

Five-axis CNC machining can produce deep cavities, thin walls, compound angles and complex surfaces with fewer setups. Reducing repositioning helps maintain accuracy between features, shorten production time and improve consistency when machining complex aerospace parts.

YUANYI can machine structural brackets, mounting plates, avionics enclosures, heat sinks, manifolds, shafts, bushings, pins and custom tooling. Our capabilities support complex 5-axis parts, small Swiss-machined components and large gantry-machined structures based on customer drawings.

Yes. Dimensional inspection reports, material certificates and traceability documentation are available according to project requirements. Please specify the required inspection standards and documents when requesting a quote so they can be reviewed and included in the manufacturing plan.

Upload your 2D drawings or 3D CAD files and provide the material, quantity, tolerances, surface finish and required inspection documents. YUANYI’s engineering team will review the project requirements and prepare a detailed aerospace CNC machining quote.

Request A Quote
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