From engine components to dashboards and transmissions, Automotive Part Manufacturing in Knoxville, TN, remains a foundation of our work at Roberson Machine Company. With deep roots in industry-spanning projects, we offer reliable, high-precision solutions.
We’ll break down the role of CNC machining in automotive manufacturing, including:
- CNC applications across vehicle production
- Materials commonly used
- Machining types employed
- Roberson Machine Company’s competitive edge
Call us today at 573-646-3996 or contact us online to find out how our team can support your Knoxville, TN, Automotive Part Manufacturing needs with precision and efficiency.
Knoxville, TN, Automotive Part Manufacturing: Real-World CNC Applications
From precision engine parts to custom brackets, CNC machining is a key player in vehicle manufacturing. Roberson Machine Company partners with Tier 1–3 Suppliers, small businesses, and others to produce accurate, ready-to-scale components. The automotive sector frequently uses CNC machining for:
- Powertrain Components: Precision is critical for powertrain parts such as crankshafts, cylinder heads, and transmission housings. CNC machining guarantees the tight tolerances needed to ensure reliable performance and efficiency.
- Suspension & Steering Systems: Key components such as control arms, knuckles, and linkages need to be lightweight, strong, and precisely machined. With Roberson’s expertise, each part is crafted to enhance handling and support long-lasting performance.
- Brake System Parts: For caliper mounts, rotors, and pedal components, precision machining ensures safety and smooth braking. Surface finish, dimensional accuracy, and geometry are key factors in achieving reliable braking performance.
- Interior & Dashboard Hardware: Not all parts are under the hood. CNC machining also supports aesthetic and functional components like gear shifters, infotainment brackets, and dashboard support structures.
- Prototyping & R&D: Before advancing to full production, automakers use CNC-machined prototypes to assess component performance and safety. Roberson assists teams in swiftly moving from CAD models to working parts, streamlining innovation and design testing.
- Electric Vehicle (EV) Components: As electric vehicle production accelerates, CNC machining is essential for creating complex parts such as battery housings, cooling plates, and custom mounts for electric drive units, all of which require innovative design and material solutions.
- Autonomous Vehicle Systems: Precision-machined parts are essential for sensors, control modules, and structural components in autonomous vehicles, ensuring reliability and performance in advanced driving systems.
- Performance & Aftermarket Parts: CNC machining allows for the creation of custom performance parts, including intake manifolds, exhaust headers, and suspension upgrades, designed for enthusiasts looking to boost vehicle performance and style.
At Roberson, we provide automotive part manufacturing services that meet the high expectations of the industry, whether you’re manufacturing five parts or five thousand. We maintain the highest standards of precision, consistency, and quality.
Types of Materials We Use for Knoxville, TN, Automotive CNC Manufacturing
Material selection is pivotal in automotive manufacturing, directly influencing the performance, safety, and longevity of vehicle components. At Roberson Machine Company, we leverage a diverse array of metals and plastics, each chosen for its unique properties—strength, weight, corrosion resistance, and machinability—to meet the specific demands of automotive applications. This includes:
- Aluminum (6061, 7075, 7050): Offering excellent strength-to-weight ratios and corrosion resistance, aluminum alloys are perfect for engine components, suspension systems, and housings. High-grade alloys like 7075 are frequently chosen for performance and motorsports applications.
- Stainless Steel (303, 304, 316, 321, 420SS, 416, 440): Renowned for its strength and corrosion resistance, stainless steels are essential in applications ranging from exhaust systems to fasteners and drivetrain components. Hardened grades like 440 are particularly effective in providing wear resistance.
- Plastics (Delrin, PETGs, Nylon, PLAs, PEEK, HDPE, Glass-Filled Nylon): Ideal for lightweight, non-structural applications like bushings and gears, these plastics offer versatility. Materials like PEEK are known for their resistance to high temperatures and chemicals.
- Brass: Offering great machinability and corrosion resistance, brass is often used in fittings, bushings, and valves in fluid-handling systems and for connectors.
- Titanium: Known for its lightweight yet exceptional strength, titanium is ideal for performance-driven applications where the strength-to-weight ratio is crucial, including exhaust systems and racing components.
Our team is experienced in navigating the demands of automotive environments and can support you in selecting the ideal material for your parts—whether you’re developing prototypes or scaling up production. Reach out to us to learn more about our machining solutions.

Key Services for Knoxville, TN, Automotive Part Manufacturing
- Expert CNC Machining: Roberson Machine Company utilizes advanced technology and a highly skilled workforce to deliver precision components with tight tolerances and excellent surface finishes—key to the performance, safety, and reliability of automotive systems.
- Multi-Axis CNC Milling and Turning: From 3-axis to complex 5-axis machining, our capabilities allow for the creation of intricate geometries and detailed features found in modern engine, transmission, and suspension parts.
- Wire EDM: Offering unparalleled precision, Wire EDM delivers ultra-accurate cuts and complex internal features, making it perfect for specialty parts such as fuel system components and precision brackets.
- Prototype to Production: We support your entire project lifecycle—from quick-turn prototypes for design validation to high-volume CNC production runs—with consistent quality and traceability.
- Value-Added Services: Need more than machining? We provide welding, fabrication, deburring, bead blasting, and assembly to streamline your production process and reduce time to market.
At Roberson Machine Company, we offer full-spectrum CNC solutions tailored for the automotive industry. From concept through to completion, our team ensures that precision, efficiency, and quality are upheld, whether you’re prototyping or scaling production.
Why Choose Roberson Machine Company for Knoxville, TN, Automotive Part Manufacturing?
Roberson is here to provide precision products that get the job done. Here are several reasons why you should consider reaching out to Roberson Machine Company:
- Capital-Free Production: Outsourcing your manufacturing needs eliminates the necessity for significant investments in facilities, machinery, and specialized labor. By leveraging our established infrastructure, you gain immediate access to advanced manufacturing capabilities, enhancing your return on investment without the associated overhead costs.
- Specialized Expertise: Leverage our decades of CNC machining experience and industry-specific insights. Our skilled team employs high-precision techniques to meet your project’s unique requirements.
- Precision-Driven Excellence: Our components are meticulously crafted to meet stringent automotive tolerances and specifications. Supported by our certifications, we uphold the highest quality standards.
- Reliable Partnerships: We view ourselves as more than just a supplier—we’re a dependable partner. Through transparent communication and consistent results, we build lasting relationships across projects of all sizes.
- Innovation in Focus: Let us manage the complexities of production, so you can concentrate on refining design, enhancing performance, and ensuring timely market delivery.
- Adaptable Solutions: Whether you’re producing one prototype or scaling to high-volume runs, our systems are designed to grow with your needs. Serving a wide range of industries lets us pass on material and process savings to you.
Other services we offer include:
- Custom CNC Machining for Part Production
- CNC Machine Automation
- Oil and Gas Precision Machining
- Aerospace Manufacturing
- EDM Machining
- High Volume CNC Machining
- Industrial Automation
- Solar Panel Manufacturers
- Microscope Parts Precision Machining
Interested in learning more about CNC machining and automotive applications? Don’t hesitate to give us a call now at 573-646-3996 or contact us online to learn more about Knoxville, TN, Automotive Part Manufacturing and how our experts can help.

