A Multi-process Machine Concept for Internal Gear Finishing

The Origin of Hobbing: From Craft to Scalable Precision

Before hobbing, cutting precise gear teeth was closer to an art than a repeatable process. Output depended on time, cost, and the operator’s touch. That began to change as innovators pursued a different idea: generate the tooth form through controlled motion rather than copy it one space at a time.

Three milestones set the trajectory:

  • In 1835, Joseph Whitworth patented hobbing for spiral gears.
  • In 1856, Christian Schiele patented an early hobbing machine, helping establish the generating approach that would define modern practice.
  • In 1897, Robert Hermann Pfauter patented hobbing for spur and helical gears, cementing the method as the backbone of production gear cutting.

Why hobbing changed everything

At its core, hobbing synchronizes a helical cutter with the rotating blank so the correct tooth geometry emerges from their relative motion. That shift delivered durable advantages:

  • Accurate involute profiles at speed, improving mesh quality and efficiency.
  • Much higher throughput at lower cost per part, enabling true volume production.

How it reshaped manufacturing

Hobbing didn’t remove the need for expertise; it codified it. Predictable kinematics lowered the skill barrier and made high quality teachable and repeatable. That predictability supported the rise of transmissions, differentials, timing drives, and industrial gearboxes across sectors, from automotive and energy to automation and robotics. Over time, hobbing helped drive standardization and rigorous inspection practices, while integrating naturally with heat treatment and finishing.

A line that leads to the future

Expectations keep rising: tighter tolerances, faster iteration, and greater sustainability. The principle Whitworth and his successors helped establish still underpins modern manufacturing, but today’s tools must scale precision and agility together.

This is where NIDEC’s hobbing machines fit. NIDEC machines are built around what matters most now:

  • Repeatable quality across programs and volumes.
  • Agile production that adapts to new designs and shifting demand.
  • Cohesive workflows so teams can move from prototype to production with confidence.

Hobbing turned gear cutting into a scalable science. The next chapter belongs to manufacturers who keep elevating the process. NIDEC machines are built for that future, helping engineers deliver the next generation of drivetrains, robotics, and industrial systems.

Check out NIDEC hobbing machines here: https://www.nidec-machinetoolamerica.com/products/gear-machines/#hobbing-machines

Monozukuri: Craft, Quality, and Continuous Improvement Powered by 80+ Years of NIDEC Precision

In a world where manufacturers can’t afford slowdowns, reliability isn’t a nice-to-have, it’s the core advantage. At NIDEC MACHINE TOOL AMERICA, reliability is not an outcome by chance. It’s the result of monozukuri: the Japanese, comprehensive approach to manufacturing that unites creativity with quality across design, process control, and people.

Monozukuri is how we think, how we work, and how we support our customers worldwide. It’s why gear manufacturers count on us for stable microns, higher uptime, and predictable throughput, backed by applications and service teams behind every machine.

What is Monozukuri?

Monozukuri literally means ‘making things,” but in practice it goes far deeper. It’s a culture of disciplined creativity: designing smarter, assembling with intent, and continually improving every link in the chain. It integrates:

  • Design excellence: Innovating with purpose, prioritizing precision in form and function.
  • Process control: Engineering repeatability into every step of manufacturing.
  • People and craftsmanship: Empowering skilled teams to solve hard problems and elevate quality with pride.
  • Continuous improvement: Iterating relentlessly to reduce variability and elevate performance.

At NIDEC, monozukuri is the connective tissue that ties product development, machining performance, and field support into a single, customer-focused system.

80+ Years of Momentum and Shifting Into A New Gear

We are already a global leader in machine tools, and we’re accelerating. Grounded in over 81 years of history yet driven by a tradition of entirely new thought, NIDEC is leveraging our global network to bring advances never before seen in the gear market. The result: even greater accuracy, productivity, and reliability for our customers’ most demanding applications.

From Philosophy to Performance: What Manufacturers Gain

  • Stable microns: Precision that stays in tolerance, shift after shift, part after part.
  • Higher uptime: Machines built to run, supported by proactive service and preventative maintenance strategies.
  • Predictable throughput: Process capability you can plan around, reducing scrap, rework, and surprises.
  • End-to-end support: Engineers and service teams aligned to your production goals.

This integrated approach translates directly to lower total cost of ownership and higher confidence in delivery schedules.

Global Presence, Local Commitment: Precision, Performance, Partnership

With a worldwide network and deep regional expertise, NIDEC MACHINE TOOL AMERICA combines global innovation with local responsiveness. Whether you’re launching a new program, scaling production, or tightening tolerances, our teams meet you where you are, supporting process development, turnkey integration, and service.

Gear manufacturing is evolving: tighter tolerances, new materials, and smarter automation. In these exciting times, we continue to focus on our customers. Monozukuri ensures we don’t just keep up; we lead with solutions that raise the ceiling on precision, performance, and partnership.

Explore our Products: https://www.nidec-machinetoolamerica.com/products/

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