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Satellite Battery Enclosures CNC Machining for Aerospace

Satellite battery enclosure components are precision-machined protective housings that provide cell containment, thermal management, and pressure relief in spacecraft power systems including battery module housings, cell mounting structures, thermal control interfaces, and pressure venting provisions. At Zintilon, we specialize in CNC machining of aluminum alloy enclosures with integrated thermal management, titanium high-strength housings with corrosion resistance, stainless steel pressure-rated structures with safety features, and precision cell mounting provisions to achieve exceptional dimensional accuracy, thermal conductivity, and aerospace compliance for critical commercial satellites, military spacecraft, CubeSats, and deep space mission applications.
  • Precision dimensional accuracy ±0.040mm ensuring proper cell mounting and thermal contact
  • Aerospace-grade materials: aluminum 6061-T6, 7075-T6, titanium Ti-6Al-4V, stainless steel 316L
  • Thermal interface flatness ±0.030mm providing thermal conductance 500-3,000 W/m²K for heat dissipation
  • Pressure venting provisions with tolerance ±0.050mm ensuring safe outgassing during thermal runaway
  • AS9100D certified manufacturing with full traceability, pressure testing, and thermal 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 satellite manufacturers, military spacecraft OEMs, CubeSat developers, and power system integrators worldwide.

Prototype Satellite Battery Enclosure Components

Get high-precision prototypes of battery enclosure assemblies that mimic your final design. Verify thermal management effectiveness, evaluate pressure relief functionality, test cell retention, and confirm dimensional accuracy before full-scale space production.


Key Points:

  • Rapid prototyping with thermal testing validation

  • Dimensional accuracy (±0.040mm for mounting features)

  • Test thermal dissipation, venting, and compliance early

3 Axis CNC Machined Stainless Steel Passivation

EVT – Engineering Validation Test

Satellite battery enclosure component configuration must meet all dimensional accuracy, thermal management, and pressure relief requirements for prototype construction. Identify hot spots and venting issues early to ensure reliable battery operation, as prototype parts are adjusted for thermal interface geometry and vent specifications.


Key Points:

  • Validate prototype functionality with thermal cycling

  • Rapid design iterations for thermal optimization

  • Ensure readiness for production with pressure relief validation

Anodized Aluminum 1024x536

DVT – Design Validation Test

Use different materials and thermal designs to analyze battery enclosure component performance for heat dissipation and safety. This is to assess the spacecraft power system performance to achieve desired reliability and mission requirements before production.


Key Points:

  • Confirm design integrity and thermal specifications

  • Test multiple alloys and venting configurations

  • Ensure production-ready performance with thermal runaway testing

design aluminium

PVT – Production Validation Test

Assess large-scale production capabilities for satellite battery enclosure components and evaluate production consistency challenges before initiating full production to address flatness uniformity and dimensional accuracy gaps in the manufacturing process flow.


Key Points:

  • Test large-scale production capability with coordinate measurement

  • Detect and fix process issues early in precision milling

  • Ensure consistent part quality and thermal performance

Anodized Titanium Fastener

Mass Production

Efficiently manufacture high-quality space-qualified satellite battery enclosure components, guaranteeing dependable spacecraft power system performance and punctual delivery to satellite manufacturers and battery suppliers.


Key Points:

  • Consistent production with AS9100D compliance

  • Precision machining for space-qualified standards

  • Fast turnaround with strict quality control and mission assurance 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, Satellite Battery Enclosure Components, Machining Capabilities

We deliver precision CNC machining for satellite battery enclosures using multi-axis machining centers and precision milling. Our capabilities include precision milling for housing bodies achieving dimensional accuracy ±0.040mm, precision machining for thermal interface surfaces with flatness ±0.030mm and Ra 0.8-1.6μm finish ensuring thermal conductance 500-3,000 W/m²K, precision drilling for pressure venting provisions with tolerance ±0.050mm, precision machining for cell mounting compartments with clearance control ±0.10mm, integrated cooling channels with dimensional accuracy ±0.15mm, and electrical isolation provisions. We machine aluminum 6061-T6 general-purpose housings, aluminum 7075-T6 high-strength structures, titanium Ti-6Al-4V for low thermal expansion and corrosion resistance, and stainless steel 316L for pressure-critical applications. Comprehensive testing includes thermal cycling -40°C to +85°C, pressure relief validation, thermal performance testing, and vibration testing ensuring 5-15 years mission life.
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 Satellite Battery Enclosure Components

Our CNC machine shop uses and offers satellite battery enclosure components 10+ aerospace-grade aluminum alloys, titanium alloys, and stainless steels to support rapid prototyping, precision space manufacturing, and to maintain quality to AS9100D, NASA, ESA, and military space 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: Satellite Battery Enclosures CNC Machining for Aerospace

Satellite battery enclosure components include aluminum 6061-T6 battery module housings (capacity 20-200 Ah) with dimensional accuracy ±0.040mm providing cell containment for lithium-ion batteries, thermal interface surfaces with flatness ±0.030mm and Ra 0.8-1.6μm finish providing thermal conductance 500-3,000 W/m²K for heat dissipation 10-100 watts, cell mounting structures with clearance control ±0.10mm ensuring proper electrical connection, pressure venting provisions with tolerance ±0.050mm enabling safe outgassing during thermal runaway events, integrated cooling channels for active thermal management, titanium Ti-6Al-4V corrosion-resistant housings, electrical isolation features, and heater mounting provisions for cold start capability.

The Titanium Ti-6Al-4V has low thermal expansion 8.6 µm/m3K, retains dimensional accuracy and precision 0.030mm over -40C to +85C temperature, tensile strength 900 Mpa, excellent corrosion resistance to battery electrolyte and prevents catastrophic failure, better specific strength. Stainless steel 316 L offers high levels of corrosion protection against leakage electrolyte, good thermal stability, sufficient strength to withstand pressure-rated enclosures that have the potential to experience thermal runaway overpressure, and non-magnetic characteristics.

Precision milling creates housing bodies with ±0.040mm dimensional accuracy. Precision machining creates thermal interface surfaces with ±0.030mm flatness and a 0.8-1.6μm finish. Precision drilling creates pressure venting provisions with ±0.050mm tolerance per safety requirements. Precision machining creates cell mounting compartments with clearance control ±0.10mm. Precision milling creates integrated cooling channels with dimensional accuracy ±0.15mm. Precision tapping creates threaded mounting holes. Surface treatments include chromate conversion per MIL-DTL-5541 for electrical isolation and corrosion protection, anodizing per MIL-A-8625 Type II (10-25μm) providing electrical insulation 500+ VDC, thermal control coatings for radiative heat management, and cleaning per ASTM E1235 for contamination control.

We have maintained dimensional performance of ±0.040mm across housing envelope to enable proper mounting of the cell, system integration, thermal interface flatness of 0.03mm with Ra of 0.8-1.6 /um to provide thermal conductance of 500-3000 W/m 2K which is critical in handling 10-100 watts heat dissipation to maintain cell temperature of -5 to +5 degrees Celsius during charge/discharge operations, pressure venting tolerance of -0.050mm to provide thermal interface These tolerances allow 20-200 Ah battery capacities, 28-100 VDC voltage ranges, 30-80 percent depth of discharge, 5,000-50,000 charge cycles, 5-15 year mission life and NASA-STD-5005 battery safety.

Yes, we provide comprehensive prototyping with CMM inspection validating critical dimensions, thermal interface flatness measurement verifying ±0.030mm specification using precision measurement systems, surface finish measurement verifying Ra 0.8-1.6μm on thermal contact surfaces, cell mounting clearance measurement validating ±0.10mm specification, material verification per AMS specifications with complete traceability, thermal performance testing measuring heat dissipation 10-100 watts with temperature mapping validating ±5°C uniformity during charge/discharge cycles, thermal cycling -40°C to +85°C over 500+ cycles validating dimensional stability ±0.030mm, pressure relief functional testing simulating thermal runaway overpressure conditions, vibration testing per NASA GEVS validating structural integrity under launch loads 20-40g, vacuum outgassing testing per ASTM E595 measuring TML <1.0% and CVCM <0.1%, electrical isolation testing measuring >500 VDC breakdown voltage with anodized surfaces, and thermal vacuum testing validating performance in space environment. We support low-volume production (20-200 units annually) for small satellites and medium-volume (hundreds) for constellation programs with complete material traceability, first article inspection per AS9102, battery safety documentation per NASA-STD-5005, design for safety analysis support, and AS9100D quality compliance supporting NASA, ESA ECSS standards, and military space requirements for LEO, MEO, GEO, and deep space mission applications with lithium-ion, lithium-polymer, and emerging solid-state battery technologies.
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