Integrated Aerospace Manufacturing

Integrated Aerospace Manufacturing One Stop Solution

Your One-Stop Solution

Streamline your supply chain with process engineering, complex machining, fabrication, processing, assembly and more from one capable partner. At HM Dunn AeroSystems, everything starts and ends with the customer.

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The HM Dunn Advantage

Featured Parts Gallery

Take advantage of HM Dunn’s integrated capabilities for a one-stop assembly solution. Our team can engineer, fabricate, lay up, machine and process multiple parts and assemble them. And with our deep supply chain, we can buy the parts we can’t make to provide our customers with the complete package.

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Aerospace Manufacturing Solutions

Avoid excess markups and improve quality control with all your aerospace component manufacturing needs handled by one partner. Or, have us take on the select services you need while keeping core competencies in-house. We’d be happy to create a custom solution.

  • Complex Aerospace Assembly 1

    Complex Aerospace Assembly

    Complex Aerospace Assembly

    HM Dunn excels at assembling flight-critical, structural components and aggregating pre-specified components. Examples include bulkheads, nacelles, sub-assemblies, flight controls, doors and hatches.

  • CNC Precision Machining

    CNC Precision Machining

    CNC Precision Machining

    With more than 50 CNC machines at our disposal, HM Dunn is ready, willing and able to meet your high volume or small lot/JIT machining needs.

    We specialize in tight-tolerance aerospace machining. Capabilities include small to large machined parts and assemblies, complex contoured surfaces, tool design, jigs, fixtures and contour molds.

    Materials Machined:

    • Titanium
    • Steel
    • Stainless Steel
    • Aluminum
    • Castings/Forgings
  • Sheet Metal Fabrication Forming

    Sheet Metal Fabrication & Forming

    Sheet Metal Fabrication & Forming

    Turn to our full-service sheet metal center for affordable fabrication that meets your quality standards.

    • Sheet Metal Forming
    • Stretch Forming
    • Hydro Forming
    • Draw Forming
    • Brake Forming
    • Extrusion Forming
    • Drop Hammer Forming
    • Tube Forming
    • Roll Forming
  • Fiberglass Composites Bonding

    Fiberglass Composites & Bonding

    Fiberglass Composites & Bonding

    HM Dunn has the tools and talent to get your job done, from metal-to-metal bonded details to complex composite lay-ups. We create your parts and assemblies with an in-house clean room, flat platen press, autoclaves, aluminum chemical milling machines and more.

    • Adhesive Bonding
    • Metal-to-Metal Bonding
    • Structural Bonding
    • Metal-to-Core Bonding
    • Fiberglass/Graphite Bonding
    • Composite Fabrication
    • Chemical, Physical & Mechanical Testing
  • Processing

    Processing

    Processing

    You don’t have to search for a separate provider for processing, chemical milling, paint or heat treatment. We offer in-house processing certified to OEM and NADCAP specifications.

    • Chemical Milling
    • Surface Testing/Finishing
    • Non-Destructive Testing
    • Polishing
    • PAA/Bond Prime & Paint
    • Heat Treat
    • Corrosion-Resistant Steel Annealing
    • Heat Treat Aluminum: Solution Treating, Annealing & Final Age
    • Chem Film/Alodine Dip
    • Quality Control
  • Welding

    Welding

    Welding

    Not every team can handle Class A fusion welding to stringent X-ray requirements. At HM Dunn, it’s a core competency. Our skilled welders operate MIG, spot weld and heli-arc units.

    NADCAP Aerospace Standards:

    • AC7110 Welding/Brazing
    • AC7110/4 Resistance Welding (Spot, Seam, Projection)
    • AC7110/4S Resistance Welding
    • AC7110/5 Fusion Welding
    • AC7110/5S Supplemental for Fusion Welding
    • AC7110/12 Welder/Welding Operator Qualification
    • AC7110/12S Welder/Welding Operator Qualification
    • AC7110/13 Metallurgical Evaluation of Welds
    • AC7110/13S Evaluation of Welds
  • Engineering Programming

    Engineering & Programming

    Engineering & Programming

    Benefit from the skills of our systematically trained team of dedicated programmers and process engineers. We have expertise in tool design, analysis and build services.

    Our engineers are equally at home with the most modern platforms—utilizing Catia—or legacy programs still in production. Legacy engineering requires interpreting 2D plans—it’s both an art and a science. HM Dunn engineers can make the legacy programs work.

  • Supply Chain Management

    Supply Chain Management

    Supply Chain Management

    We want to be your Preferred Supplier of Choice. We’ve built a robust supply chain network to source raw materials, hardware, sheet metal, small machine detail parts, and outside processes. Our “make vs. buy” strategy ensures the best value for our customers.