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Press release | High power density thanks to cycloidal design

High performance in the tightest of spaces: The gear and drive solutions engineered by Nabtesco, the world’s largest manufacturer of precision cycloidal gears, deliver exceedingly high power density paired with maximum reliability in an exceptionally compact design, making them ideal for use in demanding automation tasks.

The precision gears from Nabtesco offer exceedingly high performance density paired with maximum reliability and an exceptionally compact design


Nabtesco’s innovative gear systems are characterised by high dynamics and precision (hysteresis loss 0.5 to max. 1 arcmin) and low wear over their entire service life, thus making a significant contribution to streamlining machining processes, improving product quality and increasing productivity. The tremendous torque density allows for an extremely compact design. While designed to be particularly lightweight and space-saving, the precision gears are also immensely powerful – turning them into the ideal solution for all applications that call for a combination of maximum power and the smallest possible size.


Precise positioning in an ultra compact design

Their unique design allow the cycloidal gears to provide high reduction ratios with merely two or three gear stages – and without the need for the additional pre-stages that are commonplace in standard planetary gears. By design, they are also considerably more rigid and compact (approx. 50 % shorter) and weigh less than multi-stage planetary gears. What is more, they offer outstanding resistance to shock loads (up to 500 % of the rated torque). The compact design matched with the high performance density pay off for the user - quite literally. Nabtesco gears afford the user enormous increases in efficiency and performance. Better still, they can be installed in robots, machines, and systems of smaller size. That has a positive effect on the consumption of power and resources, as well as overall operating expenses.


Necoâ: Ideal for automation applications in small and mid-sized businesses

Especially the user-friendly solid shaft gears of the series Necoâ (servo gears with a modern, clean design) and NecoâHT (high-torque gears for heavy-duty applications) set new standards in terms of precision, repeatability and smooth operation, design, corrosion protection, motor connection, and modularity. Instead of using a separate interface to connect each motor type, a system boasting modular sleeves and flanges guarantees easy adaptation of all standard servo motors. This guarantees maximum flexibility, a simpler configuration, and faster assembly with shorter delivery times.


RD-C: Hollow shaft gears with power galore

Available as coaxial (RDS-C), parallel shaft (RDP-C), or bevel gears (RDR-C), the hollow shaft gears of the RD-C series can be used for a wide variety of applications. The large hollow shaft offers sufficient room for convenient and space-saving routing of cables and hoses – such as data and supply lines – through the centre of the cycloidal gear unit. It does not remain rigid, but rather is designed to rotate at the output rpm. The advantage of this is that a sensor on the hollow shaft can determine the position of the drive shaft.


Omnidirectional drive system for the next robot generation

Nabtesco developed the fully integrated, decentralized drive unit with a Mecanum wheel specifically to accommodate the needs of mobile automation solutions. The RV-W Mecanum wheel drives used by Nabtesco also allow for high torque capacity in a compact design and are equipped with an integrated main bearing for optimal absorption of the radial and axial forces generated. Maintenance-free operation of the compact and extremely robust drive concept is ensured thanks to cycloidal gears. The wheel unit houses all necessary components. This gives the user maximum freedom in the design of AGV solutions.


Compact gear and drive solutions for robotics and mechanical engineering

Nabtesco has been one of the industry’s primary innovation drivers for over 35 years. Their compact gear systems are in great demand world-wide (with over twelve million currently in use) and form the basis for sustainable concepts in the realm of robotics and automation.