Precision Planetary Gears: Leading Manufacturers

Carnes-Miller Gear can manufacture ring gears up to 10 inches (254mm) in pitch diameter. Face width capacity is up to 5 inches (127mm) for rings, gears, and pinions. Sun and planet gears are manufactured to mate with ring gears within these specifications.

Carnes-Miller Gear achieves AGMA 10 quality ratings on shaped and hobbed planetary gears, and AGMA 13 on ground gears. AGMA 13 represents the highest precision level, delivering superior surface finish, minimal runout, and quiet, efficient operation suited for high-performance gear systems.

Planetary gears at Carnes-Miller Gear are manufactured using hobbing, shaping, and grinding processes. The company also offers broaching for specific gear features. These processes are performed entirely in-house at their 18,000 sq ft Locust, NC facility, ensuring consistent quality and controlled production timelines.

Yes. Carnes-Miller Gear offers reverse engineering services for obsolete or worn planetary gear components. Their team can measure, replicate, and manufacture replacement ring gears, sun gears, and planet gears to original specifications or with improvements, including nital-etch testing and dimensional data collection for quality validation.

Carnes-Miller Gear serves a broad range of industries with planetary gear components, including industrial machinery, mining, transportation, construction equipment, agricultural machinery, rail, aerospace, defense, and medical equipment. Their turn-key and custom manufacturing capabilities support both OEM production and aftermarket replacement parts.

Planetary gears are manufactured primarily in steel, with material options available per customer specifications. Custom material selections can be accommodated to meet specific hardness, strength, and operational requirements. Contact Carnes-Miller Gear directly to discuss material options best suited for your planetary gear application.