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RBE Series Frameless Motors

The RBE Series is a proven direct-drive platform, with many years of application success in defense, semiconductor, machine tools, industrial automation, medical, robotics and other industries. The frameless configuration is supplied as a rotor and stator component that can be integrated directly into the machine, using the same bearings to support both the load and the motor. This design eliminates shaft, bearings, endbells, and couplings to reduce volume, weight and complexity.

Americas
Limited availability outside North America

Features

Features

  • 10 frame sizes from 21.3mm to 239mm OD
  • Continuous torque range from .01 N-m to 38 N-m
  • Peak torque range from .03 N-m to 200 N-m
  • Speeds up to 35,000 rpm
  • Standard and custom windings to match speed/torque performance requirements
  • RBEH housed models come with stainless steel shafts and can include any combination of Hall sensors, encoder or resolver as rotor position feedback devices
  • RBE frameless models use the load’s own shaft and bearings, and can include integral Hall sensors, and additional position feedback devices such as encoders or resolvers can be added as separate components

Benefits

  • Low cogging for smooth low-speed rotation
  • Brushless design allows significant reductions in rotor inertia and increases in acceleration
  • Improved cooling and efficiency provides increased performance in a wide variety of operating conditions
  • Frameless configuration reduces machine size and maintenance requirements since load and motor use same set of bearings

Media & Downloads

Title Language Date Share URL
Motors with Servostar S Catalog EN 2003 English Share URLview
RBE Series Motors Brochure EN 2003 English Share URLview
Title File Language Date Share URL
Blue Guide English, German
Share URL https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=OJ%3AC%3A2022%3A247%3ATOC
CEL China Efficiency Labelling for Servo and Stepper Motors English
Share URL /sites/default/files/public_downloads/CEL%20Technical%20Notice%20on%20Efficiency%20for%20Servo%20and%20Stepper%20Motors.pdf
Kollmorgen CE Technical Notice - Servo and Stepper Motors Efficiency English
Share URL /sites/default/files/public_downloads/Kollmorgen%20CE%20Technical%20Notice%20-%20Servo%20and%20Stepper%20Motors%20Efficiency.pdf

Support

Trade Compliance
Bethany Seymour Bethany…
February 21, 2023
Ingress Protection of Servo Motors
JohnKeesee
April 18, 2019
Normen und Richtlinien
May 10, 2017

View all articles

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