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CNC Milling                   Materials

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TYPOGRAPHY

CNC milling is a computer-controlled process that removes material from a workpiece to create precise shapes, starting with a CAD model converted into a CNC program. The workpiece is secured, and the machine mills the material, often moving in multiple axes. After machining, finishing processes and quality inspections ensure specifications are met, making this method valued for its precision and efficiency in producing intricate components across industries.
Aluminum 
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Lightweight and strong, aluminum alloys (like 2024, 6061, and 7075) extensively used in aircraft frames, wings, and fuselage components.
Brass
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A copper-zinc alloy that is corrosion-resistant, machinable, and conducts electricity well, making it ideal for plumbing and electrical parts.
Bronze
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Its corrosion, strength, and wear resistance make it ideal for applications in bearings, bushings, and non-structural components.
Stainless Steel
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Grades like 17-4 PH and 321 are used for high-strength, heat- and corrosion-resistant parts like fasteners and exhaust components.
Copper
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Its excellent electrical conductivity and thermal properties, mainly in wiring, connectors, and heat exchangers is the ideal metal.
Steel
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Used in aerospace for its high strength and durability, commonly found in structural components, fasteners, and landing gear.
Used in high-temperature areas like jet engines and turbine blades due to its ability to withstand extreme heat and corrosion.
Steel
Inconel

Used for high-stress parts, such as engine components, landing gear, and structural parts, due to its excellent strength-to-weight ratio and corrosion resistance.

Stainless steel
Titanium
Lightweight, and versatile. Common applications include interior components, insulation, and non-structural parts. 
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Plastics
Its versatility and ease of machining, commonly in furniture, cabinetry, and decorative items..
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Wood

Precision Tolerance

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Finishing Options                      CNC Turning

Alodine 
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A chromate coating for aluminum, offering corrosion resistance and paint adhesion, commonly in aerospace applications. 
Anodizing
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An electrochemical process that enhances metal surfaces, increasing corrosion resistance and enabling color finishes. 
Tumbling
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A finishing process that smooths and polishes metal parts by rotating them with abrasive media in a tumbler. 
Passivation
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A process that removes surface contaminants, enhancing corrosion resistance on metals like stainless steel.
Electropolishing
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An electrochemical process that smooths and polishes metal surfaces, enhancing corrosion resistance and cleanliness.
Galvanizing
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A process that coats steel with a protective zinc layer to prevent rust and corrosion, especially in harsh environments.
Media Blasting
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A process using compressed air to propel abrasive materials (like sand or glass beads) to clean, smooth, or texture surfaces.
Powder Coating
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A dry finishing process that applies a protective and decorative layer of finely ground particles to metal surfaces.
Brushing
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A finishing technique that creates a uniform, textured surface on metal, enhancing appearance and reducing glare.
Nickel/Zinc Plating
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A process that deposits a layer of nickel onto a surface for enhanced corrosion resistance and improved appearance. 
Black Oxide 
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A conversion coating for steel, providing corrosion resistance and a matte black finish without dimensional change. 
Hand Polishing
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A manual process that uses abrasive materials to smooth and shine surfaces, enhancing their appearance and finish.
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TYPOGRAPHY

CNC milling is a computer-controlled machining process that removes material from a workpiece to create precise shapes and features. Using rotating cutting tools, it translates digital designs from CAD into instructions for the machine through CAM software. The machine moves in multiple axes to produce complex geometries and is widely used in industries like aerospace and automotive for its efficiency and ability to deliver high-quality components. 

Precision Tolerance

tolerances

Prototype Development

When it comes to prototype development, partnering with us brings a commitment to quality, precision, and speed. We offer end-to-end prototype solutions, managing every detail from initial design to final fabrication. Using advanced CNC machining technology and drawing on our expertise in metal fabrication, we can produce complex, high-quality prototypes that closely mirror the final product, helping to avoid costly production errors. Our rapid turnaround times allow you to quickly test and refine your designs, gaining an edge in bringing your products to market. At every step, we prioritize accuracy, reliability, and a seamless experience to ensure your prototype meets all specifications.

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Sheet Metal

milling

Sheet Blanking

Laser cutting, plasma cutting, CNC turret
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Sheet Bending

Press brake, custom dies, stamping tools
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Insert Installation 

Full catalog of metric & standard PEM inserts and fasteners
powder coating

Secondary Finishing

Powder coating, anodizing, plating, painting

Materials

  • 5052-H32 Aluminum
  • ​Stainless Steel
  • Steel
  • Carbon Steel
  • Galvanized Steel
  • Rolled Steel
  • Brass 
  • Copper
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Finishings

  • Alodine
  • Anodizing
  • Electroless Nickel Plating
  • Media Plating
  • Nickel Plating
  • Powder Coating
  • Tumbling

Precision Tolerance

tolerances

Manufacturing Quality Services

Explore our production manufacturing solutions for end-use mechanical parts and assemblies. These solutions support businesses of all sizes in accelerating revenue timelines, reducing production costs, and creating a flexible, scalable, and resilient supply chain tailored to custom manufacturing needs.

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Certified Quality Standards: ISO 9001, AS9100 

On-Site Quality Control: Inspections and audits ensure top standards.

Advanced Planning & Approval: Quality planning and PPAP for production validation.

Precision Assembly & Inspections: Mechanical assembly and CMM for accuracy.

Material Certifications: Verified for quality compliance.

Driven by Precision, Built to Last

A-Tech Machining

Locations

20219 Nordhoff St
Chatsworth, CA  91311
United States 

Contact Us

Capabilities

Deburring 
Finishings 
CNC Milling
Sheet Metal 
CNC Turning
Manufacturing
Quality Inspection 

Prototype Development

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