Ring Drive System
By Design Engineering staffMotion Control Machine Building nexen
Nexen Compact Ring Drive optimized for high speed, high torque or both.
Nexen Group, Inc. introduced its Compact Ring Drive (CRD) system with precision grade bearing and drive mechanism in a sealed housing. Freely programmable, the three-drive design configurations allow the CRD to be optimized for high speed, high torque or both, depending on the application. With a 250 or 350mm dial plate bolt circle diameter and a large open center, users can optimize performance in a small space. The combination of Nexen’s roller pinion technology with integrated bearing and motor/gearhead deliver a system with zero backlash options from the motor through the driven load, the company says. The CRD features indexing precision up to ± 30 ArcSec and repeatability up to ± 5.1 ArcSec. It handles speeds up to 225 RPM and has an output load capacity of up to 108kN.
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