Crown Hobbing Gear
Helical Gears
Custom Gears
Precision Machining Gear Manufacturing Services
Precision Gear Manufacturing Services
Spur Gears
Splines
External Splines
Ring Gears
Worm Gears
Turn-Key Gears
Turn-Key Gear Shafts
Turn-Key Gears
Turn-Key Gears
Planetary Gears

Semi-Topping Gear Hobs from Top Manufacturers

Semi-topping gear hobs are specialized cutting tools designed for precision gear manufacturing. These hobs enable efficient production of high-quality helical, spur, and planetary gears with AGMA quality ratings up to Class 13. Carnes-Miller Gear offers comprehensive hobbing services with capabilities up to 16 inches diameter, supporting industries from aerospace to heavy equipment manufacturing with 50 years of proven expertise.

Our Range of Products
Crown Hobbing Gear

Crown Hobbing Gear

  • Hobbing up to 16" diameter
  • AGMA Class 13 quality rating
  • Crown & taper hobbing capability
Helical Gears

Helical Gears

  • Helix angles to ±45 degrees
  • 8" diameter helical capacity
  • Reverse engineering services
Custom Gears

Custom Gears

  • Turn-key manufacturing services
  • Grinding up to 400mm diameter
  • 50 years manufacturing expertise
Precision Machining Gear Manufacturing Services

Precision Machining Gear Manufacturing Services

  • 18,000 sq ft facility
  • Advanced grinding technology
  • In-house nital-etch testing
Precision Gear Manufacturing Services

Precision Gear Manufacturing Services

  • AGMA 13 precision grinding
  • Full-service job shop
  • Custom gear modifications
Spur Gears

Spur Gears

  • 20" shaped diameter capacity
  • 15.75" profile grinding
  • 26" shaft grinding length

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Frequently Asked Questions

What is the maximum diameter for semi-topping gear hobs at Carnes-Miller Gear?

Our hobbing services accommodate gears up to 16 inches (400mm) in diameter for spur gears and up to 8 inches for helical gears with precision AGMA quality ratings.

What AGMA quality ratings do your hobbed gears achieve?

Do you offer reverse engineering services for obsolete gear hobs?

What types of gears can be manufactured using semi-topping gear hobs?

What is the typical lead time for custom hobbed gears?

Can you handle small lot quantities for semi-topping gear hob services?

What materials can be used for gear hobbing at your facility?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Aerospace & Defense

Aerospace & Defense

Precision gear hobbing for critical aerospace and defense applications requiring AGMA Class 13 quality standards.

Industrial Manufacturing

Industrial Manufacturing

Custom hobbed gears for power transmission systems, machinery, and equipment across diverse industrial sectors.

Mining & Heavy Equipment

Mining & Heavy Equipment

Robust hobbed gear solutions for demanding mining operations and construction equipment applications.

Transportation & Rail

Transportation & Rail

High-performance hobbed gears for transportation systems, rail applications, and automotive drivetrain components.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Manufacturing Professionals Choose Carnes-Miller Gear

50 Years of Gear Excellence

Since 1973, we've delivered precision gear solutions with proven expertise in hobbing, shaping, and grinding technologies for critical applications.

AGMA-Certified Quality Standards

Our hobbing processes achieve AGMA Class 10 ratings on non-heat-treated gears and Class 13 on ground gears, ensuring superior performance.

Complete In-House Capabilities

From blank machining to final grinding, our 18,000 sq ft facility provides full control over production, ensuring cost-effectiveness and on-time delivery.

Request a Quote for Semi-Topping Gear Hob Services Today

Connect with our gear manufacturing experts to discuss your specifications. Receive detailed technical consultation and competitive pricing within 24 hours.

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