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Expert Professional CNC Gear Shaping Service

Get precision gear shaping backed by over 50 years of manufacturing experience. Carnes-Miller Gear provides CNC-supported shaping, hobbing, machining, grinding, and reverse engineering for OEMs and industrial teams that need reliable tooth geometry, tight tolerances, and dependable performance across aerospace, defense, medical, transportation, agricultural, rail, and specialized machinery applications.

Precision CNC gear shaping in a machine shop

Our CNC Gear Shaping Services

Precision tooth cutting, shaping, hobbing, grinding, and turn-key gear manufacturing for demanding mechanical applications.

Cut Teeth Only

CMG shapes or hobs teeth into customer-provided gear blanks, adding precise tooth geometry with capacity for blanks up to 200mm in pitch diameter.

Gear Shaping

Founded on shaping and hobbing expertise, Carnes-Miller Gear produces accurate gear forms with in-house control over tooling, tolerances, production timing, and final quality.

Spur Gears

Spur gears can be shaped or hobbed based on cutter clearance, face width, adjacent features, and work envelope, with AGMA 10 capability on shaped and hobbed gears.

Internal Splines

CMG manufactures internal and external splines using shaping, hobbing, and broaching methods, supporting fit verification, gaging needs, small lots, and reverse-engineering projects.

Planetary Gears

CMG produces planetary, epicyclic, sun, planet, and ring gear components, including ring gears up to 10-inch pitch diameter and face widths up to five inches.

Turn-Key Gears

From gear blanks and shafts to completed gears built to drawings, CMG provides comprehensive in-house machining, tooth cutting, grinding, and consultation for custom requirements.

Technician inspecting shaped gear teeth

Our Precision Gear Shaping Process

Review Drawings and Requirements

CMG begins by reviewing your drawings, sample parts, tolerances, gear data, material requirements, and application needs. This helps define the best shaping, hobbing, machining, grinding, or reverse-engineering approach before production begins.

Select Tooling and Cutting Method

Shape or Cut Gear Teeth

Inspect Fit, Finish, and Tolerances

Deliver Production-Ready Components

The CMG Difference

Why Choose Carnes-Miller Gear?

Partner with a gear manufacturer built on precision, experience, and in-house control.

50+ Years

Founded in 1973, CMG brings deep gear shaping and hobbing expertise.

In-House Control

Blanking, milling, grinding, broaching, and inspection stay under one dedicated facility.

AGMA Capability

CMG supports AGMA 10 shaped gears and AGMA 13 ground gear capability.

Reverse Engineering

Samples can be replicated when OEM support is unavailable or equipment is obsolete.

Meet the CMG Team

Experienced gear specialists focused on precision manufacturing.

Carnes-Miller Gear was founded in 1973 with a focus on gear shaping and hobbing, then grew into a full-service job shop serving OEMs and specialized industries. From its 18,000-square-foot facility in Locust, NC, CMG provides gear blanking, milling, grinding, broaching, shaping, and reverse engineering for customers across industrial, mining, transportation, construction, agricultural, rail, aerospace, defense, and medical markets. The company’s vision is grounded in reliability, expertise, professionalism, price, delivery, and quality. After more than five decades in business, CMG continues to combine proven gear knowledge with modern in-house capabilities to help customers solve complex motion, fit, durability, and replacement-part challenges.

AGMA 13Capability on ground spur and heat-treated gears
Over 50 YearsGear industry experience since 1973
18,000 Sq. Ft.Dedicated manufacturing facility in Locust, NC

Frequently Asked Questions

How much does CNC service cost?

CNC gear shaping cost depends on the gear type, material, pitch diameter, face width, tolerance requirements, quantity, tooling needs, and whether machining, hobbing, grinding, broaching, or reverse engineering is required. CMG reviews drawings or samples to determine the correct process and quote accurately. Pricing is not listed as fixed because custom gear work varies significantly by specification.

Which tool is used in the gear shaping process?

Can a CNC cut gears?

What gear types can Carnes-Miller Gear shape or manufacture?

What tolerances or quality levels can CMG support?

Can CMG work from a sample gear without drawings?

What information should I provide for a quote?

Does CMG only cut teeth, or can it make complete gears?

Still Have Gear Questions?

Talk with CMG about drawings, samples, tolerances, and production needs.

Trusted Manufacturing

Awards and Recognition

Over 50 years experience badge

Over 50 Years

Gear manufacturing experience since 1973.

AGMA gear capability badge

AGMA Capability

Precision ratings for shaped and ground gears.

Nital-etch testing capability badge

Nital-Etch Testing

In-house testing for grinding burn detection.

Request Precision Gear Shaping Support

Send your drawings, sample part, gear data, or application requirements. Carnes-Miller Gear will review the details and help determine the right shaping, hobbing, grinding, or turn-key manufacturing path.

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.