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OES releases three-axis miniature gimbal mounts

OES (Optimal Engineering Systems) has introduced three new three-axis miniature gimbal mounts.

The overall height is less than 170 mm (‭6.693 inches). These compact, motorized, high-accuracy yaw, pitch, and roll stages are ideal for: prototype development, reverse engineering, for use with a coordinate measuring machine, laser scanning, and in robotic or manual assembly when exposure to multiple surfaces is required.

The YPR60-60-60-01 (stepper motor–driven), the YPR60-60-60-02 (brushless servo motor–driven) and the YPR60-60-60-03 (DC servo motor–driven) are stacked precision rotary stages with positional accuracies of 0.05 degrees, repeatability of +/- 0.01 degrees, and resolutions are dependent on the stepper motor driver (open loop operation) or servo motor and optical encoder (closed loop operation).

Each axis is driven by a 180:1 worm gear, and has a large range of travel. The top axis (roll axis) has a 60-mm (2.362-inch) diameter table and a precise pattern of threaded holes for fixtures or tooling.


The maximum speed with stepper motors is 14 degrees/second and 45 degrees/second with servo motors. All axes have a HOME signal for initialization Additionally each axis has a calibrated indicator to display the angle of rotation.

The knobs of stepper motors can be replaced with optional optical encoders for position verification.

The YPR60-60-60-02 and YPR60-60-60-02 feature servo motors and optical quadrature encoders for very precise closed loop operation and greater speeds. The YPR60-60-60 (01, 02, and 03) stages can be ordered plug-and-play with a fully a compatible multi-axis motion controller from OES.