Micromo - FAULHABER 20/1R Planetary Gearhead

New Planetary Gearhead Sets New Precision Standards

MICROMO is pleased to announce the new FAULHABER technology that offers the most powerful power

transmission technology in its size class to the market with the new 20/1R planetary gearhead. A diameter of
20 mm allows the stainless steel gearhead to achieve continuous torque of 800 mNm, and up to 1100 mNm for
short periods during interval operation. Following intensive development with a comprehensive series of tests,
the power output was able to more than triple in comparison to previous models. The input speed reaches 12,000
rpm. The 20/1R can be combined with DC, brushless motors and stepper motors with a diameter of 17 to 22mm.
The output shaft of the 20/1R has no axial play thanks, to the pre-tensioned ball bearing. The gearhead is
available with one to five stages, and the span of the 16 possible reduction gear ratios ranges from 3.71:1 to
1526:1. There is also a choice between the normal temperature range of -10 to +125°C and a low temperature
variant with -45 to +100°C. The typical temperature range for planetary gearheads made from metal is extended
considerably. Numerous product variants, including an autoclavable version, make it easy to adapt to completely
different applications. The connection of the new 20/1R planetary gearhead is compatible with its predecessor,
the 20/1. When upgrading, the previous gearhead can be replaced with the new model without further changes.
MICROMO (FAULHABER Group) specializes in high‐precision, micro drive systems, servo components and
drive electronics with output power of up to 200 watts. The product range includes brushless DC motors,
brush DC motors, piezo motors, stepper motors, linear servo motors, gearheads, encoders and motion
controllers. MICROMO offers custom design solutions for markets such as medical, aerospace, optics, robotics
and semiconductor equipment.
MICROMO's Application Engineers look beyond just components to offer optimal solutions for custom
mechanical and electrical requirements. MICROMO's seasoned team has the experience in the field to assist
customers with choosing the correct component and system for unique motion control needs and to meet
superior precision and reliability requirements.
Please contact the MICROMO Team for more information.

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The 6-axis version of the R17HS high speed variant of the R17 robot is now available. As is our policy the 6th axis is an optional bolt-on module. At the same time we have made it even faster and new software eliminates shake and greatly improves repeatability as this video shows. Please see https://www.youtube.com/watch?v=3wG0MeiJ-yE. The video would seem to imply a repeatability of 0.01mm but we are sticking with 0.2mm in the spec. The motor specialist was able to tune the motors from the other side of the pond. My first reaction when we put power on and entered the first commands was to jump back in amazement (and maybe an expletive). Tip speed is now 3m/s; that's 3 times as fast as its nearest competitor yet costs half the price. I love it when a plan comes together.