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Expert Medical Precision Grinding Services

Carnes-Miller Gear delivers unparalleled medical precision grinding services with AGMA Class 13 tolerances, ensuring the exacting standards required for surgical instruments, implants, and diagnostic equipment. With over 50 years of specialized expertise and advanced profile grinding technology up to 400mm diameter, we provide the critical accuracy and superior surface finishes that medical device manufacturers demand for life-saving applications.

Advanced precision grinding equipment processing medical-grade gear components

Our Medical Precision Grinding Services

Comprehensive precision grinding solutions engineered specifically for medical device manufacturing with the tightest tolerances and superior surface finishes.

External Gear Grinding

Profile grinding for external gears up to 400mm diameter, achieving AGMA Class 13 tolerances with custom lead, profile, and tip relief modifications validated through comprehensive gear charts for medical-grade precision.

Medical Component Grinding

Specialized grinding services for surgical instrument gears, implant components, and diagnostic equipment mechanisms requiring biocompatible materials and ultra-precise surface finishes meeting FDA regulatory standards.

Heat Treat Salvage

Expert salvage and correction of medical-grade gears affected by heat treat distortion, utilizing advanced grinding techniques to restore components to specification and prevent costly material waste.

Profile Modification Grinding

Custom profile, lead, and tip relief grinding modifications per exact specifications, essential for medical devices requiring precise torque control, smooth operation, and minimal noise in surgical and diagnostic applications.

Quality Validation Testing

In-house nital-etch testing for grinding burns and comprehensive gear chart documentation validating all modifications, ensuring traceability and compliance with medical device quality management system requirements.

Reverse Engineering Grinding

Precision grinding services for obsolete medical equipment gears when OEM support is unavailable, replicating original specifications to extend equipment life and maintain critical healthcare facility operations.

AGMA Class 13 Accuracy

Precision Grinding Excellence for Medical Applications

Our medical precision grinding services deliver the critical accuracy demanded by healthcare applications through advanced profile grinding technology and rigorous quality protocols. We achieve AGMA Class 13 ratings on heat-treated medical components, ensuring superior surface finishes that minimize friction and wear in surgical instruments and diagnostic equipment. With capabilities for gears up to 400mm diameter and comprehensive modification options, we provide the custom solutions medical device manufacturers need to meet FDA standards and deliver life-saving innovations with absolute confidence in performance and reliability.

Medical-grade precision ground gear component with mirror finish
50+ Years of Precision

Trusted by Medical Innovators

Delivering mission-critical precision grinding for medical device manufacturers and healthcare equipment providers nationwide.

"Carnes-Miller's spur gear manufacturing delivered exceptional AGMA 13 rated gears for our medical device assemblies. Fifty years of expertise truly shows in their precision and reliability."

Dr. Margaret Chen

"We had critical gears failing due to heat treat distortion. CMG's nital-etch testing and salvage capabilities recovered parts we thought were scrap, saving us thousands."

James Patterson

"For medical precision grinding requirements, Carnes-Miller Gear is our go-to partner. Their 400mm diameter grinding capacity and superior surface finish meet our strictest device specifications."

Sarah Holloway

"We needed custom helical gears with AGMA Class 13 ratings by Friday. CMG delivered flawlessly, demonstrating impressive turnaround without compromising their legendary quality standards."

Michael Torres

"CMG's turn-key gear solutions provided exceptional value. Their in-house capabilities from blanking to grinding eliminated costly outsourcing, dramatically improving our bottom line."

Robert Kaufman

"Working with Carnes-Miller since 2008 has been transformational. Their reliability, expertise, and commitment to professionalism make them irreplaceable partners in our supply chain."

David Silverstein

"Their advanced profile grinding with lead and tip relief modifications elevated our gear performance dramatically. The technical expertise demonstrated exceptional understanding of our complex requirements."

Dr. Vivek Patel

"Medical precision grinding demands perfection. Carnes-Miller's fifty-year track record, AGMA 13 ratings, and in-house nital-etch testing position them as the industry standard for critical applications."

Emily Richardson

"Carnes-Miller's spur gear manufacturing delivered exceptional AGMA 13 rated gears for our medical device assemblies. Fifty years of expertise truly shows in their precision and reliability."

Dr. Margaret Chen

"We had critical gears failing due to heat treat distortion. CMG's nital-etch testing and salvage capabilities recovered parts we thought were scrap, saving us thousands."

James Patterson

"For medical precision grinding requirements, Carnes-Miller Gear is our go-to partner. Their 400mm diameter grinding capacity and superior surface finish meet our strictest device specifications."

Sarah Holloway

"We needed custom helical gears with AGMA Class 13 ratings by Friday. CMG delivered flawlessly, demonstrating impressive turnaround without compromising their legendary quality standards."

Michael Torres

"CMG's turn-key gear solutions provided exceptional value. Their in-house capabilities from blanking to grinding eliminated costly outsourcing, dramatically improving our bottom line."

Robert Kaufman

"Working with Carnes-Miller since 2008 has been transformational. Their reliability, expertise, and commitment to professionalism make them irreplaceable partners in our supply chain."

David Silverstein

"Their advanced profile grinding with lead and tip relief modifications elevated our gear performance dramatically. The technical expertise demonstrated exceptional understanding of our complex requirements."

Dr. Vivek Patel

"Medical precision grinding demands perfection. Carnes-Miller's fifty-year track record, AGMA 13 ratings, and in-house nital-etch testing position them as the industry standard for critical applications."

Emily Richardson

"Carnes-Miller's spur gear manufacturing delivered exceptional AGMA 13 rated gears for our medical device assemblies. Fifty years of expertise truly shows in their precision and reliability."

Dr. Margaret Chen

"We had critical gears failing due to heat treat distortion. CMG's nital-etch testing and salvage capabilities recovered parts we thought were scrap, saving us thousands."

James Patterson

"For medical precision grinding requirements, Carnes-Miller Gear is our go-to partner. Their 400mm diameter grinding capacity and superior surface finish meet our strictest device specifications."

Sarah Holloway

"We needed custom helical gears with AGMA Class 13 ratings by Friday. CMG delivered flawlessly, demonstrating impressive turnaround without compromising their legendary quality standards."

Michael Torres

"CMG's turn-key gear solutions provided exceptional value. Their in-house capabilities from blanking to grinding eliminated costly outsourcing, dramatically improving our bottom line."

Robert Kaufman

"Working with Carnes-Miller since 2008 has been transformational. Their reliability, expertise, and commitment to professionalism make them irreplaceable partners in our supply chain."

David Silverstein

"Their advanced profile grinding with lead and tip relief modifications elevated our gear performance dramatically. The technical expertise demonstrated exceptional understanding of our complex requirements."

Dr. Vivek Patel

"Medical precision grinding demands perfection. Carnes-Miller's fifty-year track record, AGMA 13 ratings, and in-house nital-etch testing position them as the industry standard for critical applications."

Emily Richardson
The CMG Difference

Why Choose Carnes-Miller Gear?

Five decades of precision grinding expertise dedicated to medical device manufacturing excellence.

Medical-Grade Precision

AGMA Class 13 tolerances and advanced profile grinding technology ensuring FDA-compliant surface finishes for surgical and diagnostic applications.

Full Quality Traceability

Comprehensive gear charts, nital-etch testing, and documentation protocols meeting medical device quality management system requirements and regulatory compliance standards.

50 Years Expertise

Over five decades of specialized grinding experience serving aerospace, defense, and medical sectors with unwavering commitment to precision and reliability.

In-House Capabilities

Complete manufacturing control in our 18,000-square-foot facility with grinding, machining, and testing capabilities ensuring cost-effectiveness, quality consistency, and rapid turnaround.

Precision Grinding Experts

Dedicated professionals with decades of specialized medical grinding experience.

Since 1973, Carnes-Miller Gear has built a legacy of precision grinding excellence, evolving from a gear shaping specialist into a comprehensive manufacturing partner for the medical device industry. Operating from our dedicated 18,000-square-foot facility in Locust, NC, our team combines extensive training in gear tooling, equipment, and tolerancing with deep understanding of medical device manufacturing requirements. Over 50 years, we've navigated economic challenges while maintaining unwavering commitment to quality and innovation. Our expertise in achieving AGMA Class 13 tolerances, coupled with advanced profile grinding technology and rigorous quality protocols, has made us a trusted partner for medical device manufacturers requiring the tightest tolerances and superior surface finishes. We continue to invest in cutting-edge grinding technology and comprehensive team training to deliver the precision and reliability that medical applications demand, ensuring every component meets the exacting standards required for life-saving healthcare innovations.

400mmMaximum grinding diameter capacity
Class 13AGMA Class 13 tolerance achievement
50+ YearsPrecision grinding expertise since 1973

Frequently Asked Questions

What does precision grinding mean?

Precision grinding is an advanced manufacturing process that uses abrasive wheels to achieve extremely tight tolerances and superior surface finishes on metal components. In medical applications, precision grinding removes minimal material while creating mirror-like surfaces and exact dimensions critical for surgical instruments, implants, and diagnostic equipment where even micron-level variations can impact performance and patient safety.

What are the different types of precision grinding?

What are three benefits of precision grinding?

What is the tolerance for precision grinding?

What materials can be precision ground for medical applications?

How do you ensure medical-grade quality in precision grinding?

Can you grind gears for obsolete medical equipment?

What is the turnaround time for medical precision grinding services?

Have Specific Medical Grinding Requirements?

Connect with our precision grinding specialists to discuss your medical device project specifications and quality requirements.

Ready to Discuss Your Medical Precision Grinding Project?

Share your specifications and quality requirements, and our team will provide a detailed consultation and quote for your medical device components.

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