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Avionics Housings Components CNC Machining for Aerospace

Avionics housing components are precision-machined protective enclosures that provide electromagnetic interference (EMI) shielding, thermal management, and environmental protection for aircraft electronic systems including avionics chassis assemblies, RF shielding enclosures, heat sink structures, and connector mounting panels. At Zintilon, we specialize in CNC machining of aluminum alloy housings with EMI gasket grooves, magnesium lightweight chassis with optimized thermal dissipation, stainless steel RF enclosures with precision tolerances, and integrated connector provisions to achieve exceptional dimensional accuracy, shielding effectiveness, and aerospace compliance for critical commercial aircraft, military aircraft, business jet, and helicopter avionics applications.

Key Features:

  • Precision dimensional accuracy ±0.050mm ensuring proper circuit board mounting and connector alignment
  • Aerospace-grade materials: aluminum 6061-T6, 7075-T6, magnesium AZ31B, AZ91D, stainless steel 304
  • EMI shielding effectiveness >60 dB at frequencies 100 MHz-10 GHz with gasket groove tolerance ±0.10mm
  • Thermal dissipation capability 50-500 watts with heat sink fin geometry optimizing convection cooling
  • AS9100D certified manufacturing with full traceability, EMI testing, and environmental validation


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 is certified for the AS9100D aerospace quality management standard and supplies engineered components to commercial aircraft manufacturers, military aircraft OEMs, business aviation producers, and avionics system integrators worldwide.

Prototype Avionics Housing Components

Get high-precision prototypes of avionics housing assemblies that mimic your final design. Verify EMI shielding effectiveness, evaluate thermal performance, test environmental sealing, and confirm dimensional accuracy before full-scale aerospace production.

Key Points:

  • Rapid prototyping with EMI testing validation

  • Dimensional accuracy (±0.050mm for mounting features)

  • Test shielding effectiveness, thermal dissipation, and compliance early


3 Axis CNC Machined Stainless Steel Passivation

EVT – Engineering Validation Test

Avionics housing component configuration and design must meet all dimensional accuracy, EMI shielding, and thermal management requirements for prototype construction. Identify hot spots and EMI leakage issues early to ensure reliable electronics protection, as prototype parts are adjusted for gasket groove geometry and heat sink specifications.

Key Points:

  • Validate prototype functionality with shielding effectiveness testing

  • Rapid design iterations for thermal optimization

  • Ensure readiness for production with connector fit validation


Anodized Aluminum 1024x536

DVT – Design Validation Test

Use different materials and surface treatments to analyze avionics housing component performance for EMI attenuation and thermal capacity. This is to assess the aircraft avionics system performance to achieve desired reliability and certification standards before production.

Key Points:
Confirm design integrity and shielding specifications
Test multiple alloys and coating configurations
Ensure production-ready performance with environmental testing
design aluminium

PVT – Production Validation Test

Assess large-scale production capabilities for avionics housing components and evaluate production consistency challenges before initiating full production to address dimensional uniformity and surface finish gaps in the manufacturing process flow.

Key Points:

  • Test large-scale production capability with coordinate measurement

  • Detect and fix process issues early in CNC milling

  • Ensure consistent part quality and shielding performance


Anodized Titanium Fastener

Mass Production

Efficiently manufacture high-quality avionics housing components. It ensures dependable aircraft electronics protection performance and punctual delivery to avionics system suppliers.

Key Points:

  • Consistent, high-volume production with AS9100D compliance

  • Precision machining for avionics quality standards

  • Fast turnaround with strict quality control and FAA/EASA certification support


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.

Aerospace Industry, Avionics Housing Components, Machining Capabilities

We deliver precision CNC machining for avionics housings using multi-axis machining centers and precision milling. Our capabilities include precision milling for housing bodies achieving dimensional accuracy ±0.050mm, precision machining for EMI gasket grooves with tolerance ±0.10mm and depth control ±0.075mm ensuring shielding effectiveness >60 dB, precision milling for heat sink fin arrays (fin thickness 2-5mm, spacing 3-10mm) optimizing thermal dissipation 50-500 watts, precision drilling for connector mounting holes with positional accuracy ±0.075mm, precision machining for circuit board mounting bosses with height tolerance ±0.10mm, and integrated cable routing channels. We machine aluminum 6061-T6 general-purpose housings, aluminum 7075-T6 high-strength chassis, magnesium AZ31B and AZ91D ultra-lightweight enclosures reducing weight 30-40% versus aluminum, and stainless steel 304 for RF applications. Comprehensive testing includes EMI shielding effectiveness testing per MIL-STD-461, thermal performance validation, environmental testing per MIL-STD-810, and dimensional validation ensuring 20 years+ service life with FAA/EASA compliance.
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.

Materials for Avionics Housing Components

Our CNC machine shop uses and offers for avionics housing components 10+ aerospace-grade aluminum alloys, magnesium alloys, and stainless steels to support rapid prototyping, precision aerospace manufacturing, and to maintain quality to AS9100D, FAA, EASA, and military avionics specifications.
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: Avionics Housings Components CNC Machining for Aerospace Applications

Avionics housing components are aluminum 6061-T6 or 7075-T6 electronics with dimensional accuracy of less than 0.050mm offering circuit board mounting with standoff tolerance of less than 0.10mm, EMI gasket grooves (depth 1-3mm, width 2-6mm) with tolerance of less than 0.10mm, magnesium AZ31B lightweight enclosures with reduction of weight of 30-40% over aluminum, heat sink structures with

Aluminum 6061-T6 tensile strength of 310 Mpa, good electrical conductivity 40% IACS of EMI shielding, has good thermal conductivity 167 W/m 3 K of heat dissipation, is lightweight with a density of 2.7 g/cm, has an anodized protection against corrosion, and is cost effective. Magnesium AZ31B has ultra-lightweight (density 1.78 g/cm 3 ) which allows a reduction of 30-40% of the weight of houses compared to aluminum enhancing the fuel economy of the airplane, sufficiently strong to support the enclosures, at least machinable, and EMI shielding. Stainless steel 304 provides better RF shielding capacity >80 dB, corrosion resistance, non-magnetic characteristics to delicate electronics and robustness.

Precision milling produces dimensional accuracy of housing bodies of ±0.050mm. EMI gasket grooves are made and controlled to a depth of ±0.075mm and a tolerance of ±0.10mm using precision machining. Precision milling produces heat sink fin arrays, fin thickness is 2-5mm and spacing 3-10mm. Precision drilling puts connector mounting holes with a positional error of ±0.075mm. Circuit board mounting bosses are made within height tolerance of +0.10mm by precision machining. Precision tapping produces thread holes on the MIL standards. Examples of surface treatments are chromate conversion according to MIL-dTL-5541 to increase EMI shielding, hard anodizing according to MIL-A-8625 Type III (5075m) to provide corrosion protection and EMI shielding, electroless nickel plating so as to offer conductivity, and conductive paint coating to particular regions.

We have dimensional accuracy within a range of 0.050mm across housing envelope to provide proper circuit board and connector alignment, EMI gasket groove tolerance of and within a range of 0.10mm with depth control of 0.075mm to achieve the shielding effectiveness of over 60 dB at 100 MHz-10 GHz per MIL-STD-461, connector mounting hole positional accuracy within a range of 0.075mm with diameter tolerance within a range of 0.050mm, These tolerances accommodate operating temperatures between -55C and +85 C, vibration, per MIL-STD-810, service life of 20 years and more, and RTCA DO-160.

Yes, we also do full prototyping, CMM inspection approvals to assure critical dimension, connector hole positioning accuracy to +0.075mm, EMI shielding efficacy tests to over 60 dB attenuation at 100M-10GHz, thermal performance testing to assure 50-500 watts of heat dissipation, infrared thermography assurance to temperature distribution, environmental testing, to -55 o C to +85 o C, humidity, Vibration, and salt spray MIL-STD- We allow low and high volume production with full traceability and quality standards (AS9100D) to meet the FAA, EASA, RTCA DO-160, and MIL-STD-461 standards (100-1,000 units a year and thousands, respectively).
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