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Precision Aerospace Gear Manufacturing Suppliers

Carnes-Miller Gear delivers mission-critical aerospace gear manufacturing with AGMA 13 precision standards and full in-house capabilities. From spur and helical gears to planetary systems and splines, our 50+ years of expertise ensures every component meets the exacting tolerances required for aerospace applications. Our dedicated 18,000 sq ft facility in North Carolina combines advanced grinding, hobbing, and shaping technology with rigorous quality control to support defense contractors, OEMs, and aerospace manufacturers nationwide.

Precision aerospace gears manufactured by Carnes-Miller Gear

Our Aerospace Gear Manufacturing Services

Complete gear manufacturing solutions from design through delivery, specializing in precision aerospace components with AGMA 13 quality standards.

Spur Gears Manufacturing

Precision spur gears up to 20-inch diameter using hobbing or shaping processes. Achieve AGMA 10 on shaped/hobbed gears and AGMA 13 on ground gears with profile tooth grinding capabilities.

Helical Gears Manufacturing

Advanced helical gear hobbing up to 8-inch diameter with helix angles to +/-45 degrees. Profile grinding enables AGMA Class 13 ratings with crown hobbing, taper hobbing, and custom modifications.

Planetary Gears Manufacturing

Complete planetary gear systems including ring gears up to 10-inch pitch diameter, with sun and planet gears manufactured to precise tolerances. Face widths accommodated up to five inches.

Splines Manufacturing

Internal and external splines using hobbing, shaping, and broaching techniques. Comprehensive tooling inventory for external straight-sided splines with proper gaging for involute spline precision.

Turn-Key Gear Solutions

Complete gear manufacturing from blank machining through final grinding. In-house capabilities handle gears up to 400mm diameter, delivering precision-engineered components ready for installation.

Precision Gear Grinding

Advanced gear tooth grinding up to 400mm diameter achieving AGMA Class 13 ratings. Custom lead, profile, and tip relief modifications with nital-etch testing and heat treat distortion salvage capabilities.

AGMA 13 Quality Standards

Aerospace-Grade Precision for Mission-Critical Applications

When aerospace applications demand absolute precision, Carnes-Miller Gear delivers. Our comprehensive in-house capabilities—from gear blanking and milling to advanced grinding and broaching—ensure complete control over every production phase. We achieve AGMA 13 ratings on heat-treated gears through advanced profile grinding, enabling custom modifications for lead, profile, and tip relief. With 50+ years serving aerospace, defense, and medical sectors, our expertise extends to reverse engineering obsolete components and salvaging gears affected by heat treat distortion. Our 18,000 sq ft facility houses specialized equipment for spur, helical, planetary, and worm gears, plus internal and external splines, ensuring your critical aerospace components meet exacting tolerances every time.

Aerospace gear manufacturing facility with precision machinery
50+ Years of Excellence

Trusted By Aerospace Leaders

Delivering precision gear solutions to aerospace, defense, and medical sectors since 1973.

"Carnes-Miller's spur gear manufacturing consistently delivers AGMA 13 precision for our aerospace applications. Their 50-year track record and in-house grinding capabilities ensure reliability."

James Patterson

"We had obsolete helical gear specifications with no OEM support. CMG's reverse engineering solved our production bottleneck within two weeks. Exceptional expertise."

Sarah Mitchell

"As aerospace gear manufacturers go, CMG stands apart. Their turn-key capabilities and AGMA certifications make sourcing complex gears effortless. Highly recommended."

Michael Chen

"We needed planetary gears ground to exact tolerances with a three-week deadline. Carnes-Miller delivered on time, every specification met perfectly. Responsive and professional."

David Kowalski

"Their splines manufacturing service saved us thousands on custom tooling. The in-house broaching and shaping capabilities provided excellent value for our medical device assemblies."

Emily Rodriguez

"Partnering with Carnes-Miller for fifteen years. Their reliability through economic downturns, consistent quality on worm gear manufacturing, and professionalism are unmatched."

Robert Hamilton

"Their gear grinding with nital-etch testing prevented our salvage losses. The AGMA 13 rating on heat-treated gears ensures smooth, quiet operation in demanding industrial applications."

Christopher Webb

"CMG's turn-key gears service—from blanking to final grinding at 400mm—positions them as top aerospace gear manufacturers. Their integrated capabilities beat competitors on cost and delivery."

Jennifer Walsh

"Carnes-Miller's spur gear manufacturing consistently delivers AGMA 13 precision for our aerospace applications. Their 50-year track record and in-house grinding capabilities ensure reliability."

James Patterson

"We had obsolete helical gear specifications with no OEM support. CMG's reverse engineering solved our production bottleneck within two weeks. Exceptional expertise."

Sarah Mitchell

"As aerospace gear manufacturers go, CMG stands apart. Their turn-key capabilities and AGMA certifications make sourcing complex gears effortless. Highly recommended."

Michael Chen

"We needed planetary gears ground to exact tolerances with a three-week deadline. Carnes-Miller delivered on time, every specification met perfectly. Responsive and professional."

David Kowalski

"Their splines manufacturing service saved us thousands on custom tooling. The in-house broaching and shaping capabilities provided excellent value for our medical device assemblies."

Emily Rodriguez

"Partnering with Carnes-Miller for fifteen years. Their reliability through economic downturns, consistent quality on worm gear manufacturing, and professionalism are unmatched."

Robert Hamilton

"Their gear grinding with nital-etch testing prevented our salvage losses. The AGMA 13 rating on heat-treated gears ensures smooth, quiet operation in demanding industrial applications."

Christopher Webb

"CMG's turn-key gears service—from blanking to final grinding at 400mm—positions them as top aerospace gear manufacturers. Their integrated capabilities beat competitors on cost and delivery."

Jennifer Walsh

"Carnes-Miller's spur gear manufacturing consistently delivers AGMA 13 precision for our aerospace applications. Their 50-year track record and in-house grinding capabilities ensure reliability."

James Patterson

"We had obsolete helical gear specifications with no OEM support. CMG's reverse engineering solved our production bottleneck within two weeks. Exceptional expertise."

Sarah Mitchell

"As aerospace gear manufacturers go, CMG stands apart. Their turn-key capabilities and AGMA certifications make sourcing complex gears effortless. Highly recommended."

Michael Chen

"We needed planetary gears ground to exact tolerances with a three-week deadline. Carnes-Miller delivered on time, every specification met perfectly. Responsive and professional."

David Kowalski

"Their splines manufacturing service saved us thousands on custom tooling. The in-house broaching and shaping capabilities provided excellent value for our medical device assemblies."

Emily Rodriguez

"Partnering with Carnes-Miller for fifteen years. Their reliability through economic downturns, consistent quality on worm gear manufacturing, and professionalism are unmatched."

Robert Hamilton

"Their gear grinding with nital-etch testing prevented our salvage losses. The AGMA 13 rating on heat-treated gears ensures smooth, quiet operation in demanding industrial applications."

Christopher Webb

"CMG's turn-key gears service—from blanking to final grinding at 400mm—positions them as top aerospace gear manufacturers. Their integrated capabilities beat competitors on cost and delivery."

Jennifer Walsh
The CMG Difference

Why Choose Carnes-Miller Gear?

Five decades of precision gear manufacturing expertise serving mission-critical aerospace applications.

AGMA 13 Precision

Achieve superior accuracy with AGMA Class 13 ratings on ground gears, meeting the stringent tolerances required for aerospace and defense applications.

Complete In-House Control

Our 18,000 sq ft facility houses all manufacturing processes—blanking, milling, grinding, hobbing, shaping, and broaching—ensuring quality control, cost-effectiveness, and on-time delivery.

Reverse Engineering Expertise

When OEM support disappears, our team reverse-engineers obsolete gears from samples, maintaining your critical equipment with precision-matched replacement components.

50+ Years of Experience

Since 1973, we've navigated industry challenges while consistently delivering precision gears to aerospace, defense, medical, and industrial sectors with unwavering reliability.

Five Decades of Gear Manufacturing Excellence

Expert team with comprehensive aerospace gear manufacturing expertise since 1973.

Founded in 1973, Carnes-Miller Gear began with a focused mission: delivering precision gear shaping and hobbing to manufacturing industries. Over five decades, we've evolved into a full-service job shop, expanding our capabilities to include gear blanking, milling, grinding, and broaching within our dedicated facility. We've weathered every major economic challenge—from the energy crisis of the 1970s through Covid-19—by maintaining unwavering commitment to quality, expertise, and customer satisfaction. Today, operating from our 18,000-square-foot facility in Locust, NC, we serve aerospace, defense, medical, industrial, mining, transportation, construction, agricultural, and rail sectors. Our team's extensive training in gear tooling, equipment, nomenclature, and tolerancing ensures we deliver precision components that meet the most demanding specifications, while our comprehensive in-house capabilities provide cost-effectiveness and reliable delivery timelines.

AGMA 13Maximum precision rating on ground aerospace gears
50+ YearsPrecision gear manufacturing expertise since 1973
18,000 sq ftDedicated manufacturing facility with complete capabilities

Frequently Asked Questions

What precision standards can Carnes-Miller Gear achieve for aerospace gears?

We achieve AGMA 2000 Class 10 ratings on non-heat-treated gears and AGMA Class 13 ratings on heat-treated gears through advanced profile grinding. Our precision capabilities include custom modifications for lead, profile, and tip relief per customer specifications, with gear charts validating these modifications.

What are your gear manufacturing size capabilities?

Can you reverse engineer obsolete aerospace gears?

What gear types do you manufacture for aerospace applications?

Do you offer heat treat distortion salvage services?

What industries do you serve besides aerospace?

What is your typical lead time for aerospace gear orders?

Do you provide quality documentation and inspection reports?

Have Specific Aerospace Gear Requirements?

Our engineering team is ready to discuss your precision gear needs and provide expert guidance.

Quality & Expertise

Awards and Recognition

AGMA certification badge

AGMA 13 Certified

Highest precision standards for aerospace gears

50 years in business badge

50+ Years Excellence

Five decades of precision manufacturing

Aerospace industry approved badge

Aerospace Approved

Trusted by defense and aerospace sectors

Ready to Discuss Your Aerospace Gear Requirements?

Contact our engineering team for precision gear solutions. We'll provide expert consultation and detailed quotes for your specific aerospace manufacturing needs.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 704-888-4448 You can also send us a quick email at dan@cmgear.us