Spiroid Gearing

Spiroid Gearing Spiroid’s skew-axis, high torque gears enable world-class power density – custom reduction gearboxes can meet your application’s needs.

Does your application call for small right angle gearing that packs a big punch?

For over 40 years, Spiroid products have played an important role in our nation’s land, sea, air and space defense syste...
05/26/2026

For over 40 years, Spiroid products have played an important role in our nation’s land, sea, air and space defense systems. Whether actuating tank turrets, missile fins, afterburner flaps or naval weapons handling systems, Spiroid gearing has always been reliably up to the task. While defense applications have wide and varying requirements, Spiroid is often sought and preferred for its high shock strength, extreme accuracy and brute strength – all in a small package.

We understand clearly that these benefits are directly connected to the durability and safety of equipment that our armed forces rely upon. To support demanding defense specifications Spiroid has developed one of the industry’s best quality systems, operating within the AS9100: 2015 + AS9100 D certification program.

https://www.spiroidgearing.com/application-industries/defense/

Spiroid’s accuracy and high torques for a given size make it ideal for power transmission in hand tools and robotic surg...
05/01/2026

Spiroid’s accuracy and high torques for a given size make it ideal for power transmission in hand tools and robotic surgery applications, among others. These advantages result in a small, lightweight, and highly accurate drive system.

https://www.spiroidgearing.com/application-industries/medical/

If you’re new to Spiroid and eager for a quote, we want to help. Depending on your application’s lead time requirement, ...
04/20/2026

If you’re new to Spiroid and eager for a quote, we want to help. Depending on your application’s lead time requirement, cost targets, and specification flexibility, you may choose from one of two options:

A gear set made from one of our 3,000+ inventoried (stock) cutting tools. This option may require a specification ‘range’ that is acceptable for one or more of the primary design criteria (OD, reduction ratio, gear type, gear hand, etc.)

A gear set designed from scratch. This option requires the design of a custom cutting tool and extends the amount of time necessary to provide a quote. (Pictured)

Learn more here: https://www.spiroidgearing.com/tools-references/the-spiroid-process/

Mass transit systems across the globe are – and have been for over 30 years – operating with Spiroid actuation technolog...
04/15/2026

Mass transit systems across the globe are – and have been for over 30 years – operating with Spiroid actuation technology. Why? These transportation applications value high torque in small spaces, high shock strength, and reliability. Learn more, Download the Spiroid White Paper here:

https://www.spiroidgearing.com/application-industries/transportation/

For over 40 years, Spiroid products have played an important role in our nation’s land, sea, air and space defense syste...
04/07/2026

For over 40 years, Spiroid products have played an important role in our nation’s land, sea, air and space defense systems. Whether actuating tank turrets, missile fins, afterburner flaps or naval weapons handling systems, Spiroid gearing has always been reliably up to the task. While defense applications have wide and varying requirements, Spiroid is often sought and preferred for its high shock strength, extreme accuracy and brute strength – all in a small package.

Read more here: https://www.spiroidgearing.com/application-industries/defense/

As the figure below demonstrates, Helicon and Spiroid tooth pressure angles are not symmetrical. However, Helicon and Sp...
04/02/2026

As the figure below demonstrates, Helicon and Spiroid tooth pressure angles are not symmetrical. However, Helicon and Spiroid gearing operate at approximately the same efficiency and load rating in either direction of pinion rotation. This, despite the fact that direction and magnitude of the forces on the teeth are different.

Read more here: https://www.spiroidgearing.com/faq/design/

Gear HandednessA Helicon or Spiroid gear set is either left or right hand. The “Hand” is determined by the direction of ...
03/24/2026

Gear Handedness

A Helicon or Spiroid gear set is either left or right hand. The “Hand” is determined by the direction of the pinion thread (clockwise/counter clockwise). The two images below illustrate relative pinion positions for both left and right hand systems, enabling design flexibility.

https://www.spiroidgearing.com/faq/design/

CASE STUDY.DESIGN FOCUS: MAXIMIZE TORQUEEach gear type offers performance trade-offs depending on its unique design char...
03/19/2026

CASE STUDY.

DESIGN FOCUS: MAXIMIZE TORQUE
Each gear type offers performance trade-offs depending on its unique design characteristics. Our goal is to quickly help you evaluate which type of gear technology is best-suited to fit the specific performance requirements of your design project.

https://www.spiroidgearing.com/case-studies-white-paper-data-sheet/

Address

1601 36th Avenue West
Alexandria, MN
56308

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+13207627133

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