Similar to a hollow-shaft motor, the FAULHABER DM-Ring stepper offers a large aperture, which allows for light signals, cables, gas or liquids to pass through.
COMPONENT
RLS (Renishaw Group) AksIM-4 is a non-contact absolute magnetic ring encoder for large-diameter rotary axes; the readhead and ring mount separately with generous air-gap tolerance, maintenance-free and easy to install. Three bores 105/155/205 mm (OD 140.4/190.4/240.4 mm), 26-30 bit resolution options, accuracy better than ±130 arcsec, repeatability better than ±10 arcsec, BiSS-C synchronous serial interface, IP67 rated; UL-certified and off-axis variants available for robot joints, turntables, radar pedestals and medical systems.
