Call us toll free (844) 655-AMMC or email us [email protected]


Nexen Document Library


Nexen Group’s heritage is built on producing technically superior products while providing the highest level of customer support. As a leading manufacturer of precision motion control components, power transmission and web tension control products, Nexen works to remain at the forefront of cutting edge engineering and production excellence.

Nexen’s production capabilities include computerized control and testing systems, dry cutting applications, special coating processes, over 80 multi-axis precision CNC machine tools and automated assembly. Committed to continual improvement processes, the company’s quality management system meets the standards and rigors of ISO 9001:2008. Nexen works in accordance with the tenants of these internationally recognized groups – CE, REACH and RoHS.

By working with Nexen, our customers experience innovations that adhere to industry specifications, optimize their metrics and provide solutions focused on increased uptime, longer machine life and reduced maintenance.

Nexen products touch industries where applications improve lives, maximize equipment performance, improve efficiencies, minimize waste, reduce costs and enhance the environment. These industries include, aerospace, robotics, medical machine tool, automotive, factory automation, packaging and material handling.

Nexen Group, Inc. is headquartered in Vadnais Heights, MN, with a manufacturing facility located in Webster, WI. Nexen products can be found through worldwide sales and distributor outlets.

Featured Products


Linear Positioning

Precision Roller Pinion System

  • Achieve any length with zero backlash.
  • High speeds: up to 36 ft/sec.
  • Unrivaled accuracy: ±0.00118 inches.
  • Quiet, 99% efficient and runs without lubrication.


Rotary Positioning

Compact Ring Drive System

  • Can be optimized for high speed, high torque or both.
  • Supported by a high capacity cross roller bearing rated for loads up to 1575 kN.
  • Allows for indexing times up to 2x faster than the competition.

Zero Backlash Gear System System

  • Zero backlash, lube-free operation.
  • Threaded and through hole mounting and other piloting options.
  • Compatible with common gearboxes.
  • High capacity cross roller bearings.

Linear Holding

Rail Brakes

  • Large friction facing contact area promotes consistency in performance and low rail wear.
  • Works well with power-off, e-stop and holding applications.
  • Eliminates vibration in linear drives.
  • Fits most common profile guide rails.

Ball Screw Brake

  • Low backlash and low inertia.
  • High torsional rigidity & Bi-directional braking.
  • Spring engaged & air released.



TitleDoc TypesLinktags_hfilter
Nexen HG CatalogBrochure/Catalog


gearhead gearing harmonic high-speed nexen


TitleDoc TypesLinktags_hfilter
Nexen Ring Drive ProductVideo

Watch Video

indexer ring-drive
Preloading an RPS SystemVideo

Watch Video

linear linear-motion rps-system
Roller Pinion System DemonstrationVideo

Watch Video

demo linear-motion roller-pinion
RPS Rack InstallationVideo

Watch Video

installation motion rps-rack


Ready to Get Started?

At AMMC, we are dedicated to technical excellence and the ethic of the “Golden Rule.” We will help you navigate through the process of selecting a solution that incorporates blue-chip products and services. Our process begins with a simple conversation where we get to know your business, application, and technical challenges.

Contact An Automation Specialist