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 spur gears with profile tooth grinding capabilities.
Carnes-Miller Gear delivers precision-engineered gears designed specifically for manufacturing suppliers across aerospace, defense, medical, and industrial sectors. With over 50 years of expertise, our full-service capabilities—from gear shaping and hobbing to grinding and custom machining—ensure your production lines operate with maximum efficiency and reliability. Trust our AGMA-certified processes and comprehensive in-house manufacturing to meet your exact specifications and demanding delivery schedules.

Comprehensive gear manufacturing solutions from design to delivery, serving diverse industrial applications with precision and reliability.
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 spur gears with profile tooth grinding capabilities.
Specialized hobbing process for helical gears up to 8-inch diameter with helix angles to ±45 degrees. Achieve AGMA Class 10 on non-heat-treated and Class 13 on heat-treated gears.
Expert production of planetary (epicyclic) gear systems. Ring gears up to 10-inch pitch diameter with sun and planet gears, face widths up to five inches for compact power transmission.
Throated worm wheels up to 16-inch diameter using hobbing process. Specialized materials including aluminum bronze and bronze, with reverse engineering services for legacy equipment.
Internal and external splines using hobbing, shaping, and broaching techniques. Comprehensive tooling inventory for external straight-sided splines with precise gaging for proper fit verification.
Complete gear manufacturing from blank machining to final grinding. In-house capabilities for gears up to 400mm diameter, delivering precision-engineered components ready for installation.
Since 1973, Carnes-Miller Gear has evolved from a specialized gear shaping operation into a comprehensive manufacturing partner. Our 18,000-square-foot Locust, NC facility houses complete capabilities for gear blanking, milling, grinding, and broaching—ensuring precise control over production, cost-effectiveness, and on-time delivery. Whether you need AGMA-certified precision gears, reverse-engineered replacements for obsolete equipment, or custom modifications including lead, profile, and tip relief specifications, our expertise serves aerospace, defense, medical, and industrial sectors with unparalleled reliability.

Delivering precision gear solutions to aerospace, defense, medical, and industrial manufacturers since 1973.
Five decades of precision engineering excellence serving manufacturing suppliers across critical industries.
Over five decades manufacturing precision gears for aerospace, defense, medical, and industrial OEM suppliers with proven reliability.
Full-service 18,000 sq ft facility handling gear blanking, hobbing, shaping, grinding, and broaching—ensuring quality control and timely delivery for manufacturing suppliers.
Achieve AGMA 10 on shaped/hobbed gears and AGMA 13 on ground gears with advanced profile grinding and in-house nital-etch testing capabilities.
Expert recreation of obsolete gear components when OEM support is unavailable, helping suppliers maintain legacy equipment and production lines.
Precision engineering expertise serving manufacturing suppliers since 1973.
Founded in 1973, Carnes-Miller Gear began as a specialized gear shaping and hobbing operation and has evolved into a comprehensive full-service job shop. Over 50 years, CMG has navigated the energy crisis, multiple economic recessions, and global challenges while continuously expanding capabilities. From our dedicated 18,000-square-foot facility in Locust, NC, our team serves manufacturing suppliers across aerospace, defense, medical, industrial, mining, transportation, construction, agricultural, and rail sectors. Our vision centers on being the trusted partner for precision gear manufacturing, combining extensive training in gear tooling, equipment, nomenclature, and tolerancing with competitive pricing and unwavering commitment to quality infrastructure.
We manufacture spur gears (up to 20-inch diameter), helical gears (up to 8-inch diameter), planetary gear systems (ring gears up to 10-inch pitch diameter), worm gears (up to 16-inch diameter), and both internal and external splines. Our capabilities include hobbing, shaping, grinding, and broaching processes.
Our engineering team is ready to discuss your specific gear requirements and provide expert guidance.
Highest precision rating for ground gears
Trusted gear manufacturer since 1973
Precision manufacturing quality assurance
Contact our engineering team for expert consultation, custom quotes, and technical specifications for your pre-engineered gear requirements.
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
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