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Fourth-generation digital strain wave gear
An actuator around 30 percent shorter and lighter
RDS-C Link measures absolute position at the output shaft

Nabtesco will present three innovations that combine mechanical precision with digital functions at the SPS trade fair in Nuremberg on 24–26 November 2026. According to Nabtesco Precision Europe’s announcement of 27 October 2026, the company will exhibit its fourth-generation digital strain wave gear, the Super-Short actuator and the RDS-C Link cycloidal gearbox with position sensing at stand 426 in Hall 3A.

Fourth-generation digital strain wave gear

According to the announcement, the new generation offers integrated sensor technology and data analysis without changing installation dimensions. Key features include integrated position measurement, digital communication and parameterisation via BiSS-C, and customer software developed for monitoring and analysis. The company cites load monitoring and lifetime tracking, alongside condition monitoring, as example applications.

An actuator around 30 percent shorter and lighter

The Super-Short Actuator combines gearbox, motor, bearings and encoder in a plug-and-play unit. According to Nabtesco, the unit is around 30 percent shorter in the axial direction and around 30 percent lighter than comparable standard actuators. The actuator uses the ALVA GearTorq frameless motor produced with patented FiberPrinting technology; a control system from Nabtesco Group company adcos is also offered.

RDS-C Link measures absolute position at the output shaft

RDS-C Link combines RDS-C series cycloidal gearboxes with a FLUX encoder. The encoder detects absolute position directly at the output shaft, which the company says supports high positioning accuracy under load. According to the company, the inductive measuring principle is suitable for harsh environments with dust, contamination or condensation. The solution is offered in various RDS-C sizes; other sizes and custom solutions are available on request.

Sources

Nabtesco Precision Europe GmbH, “Nabtesco at SPS 2026 – Smart Motion Control: Mechanical Precision Meets Digital Intelligence”, press release, 27.10.2026 – nabtesco.de
Mesago Messe Frankfurt, SPS 2026 trade fair dates – sps.mesago.com

Image: Nabtesco