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PR50 & SR50 Series Compact Rotation Stages

PR50 & SR50 Series Compact Rotation Stages
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PR50 & SR50 Series Compact Rotation Stages - 1

822 M o t o r i z e d P o s i t i o n i n g MOTORIZED ROTATION MOTORIZED LINEAR STAGES TECHNICAL REFERENCE STAGES SYSTEMS CONTROLLERS AND AMPLIFIERS MOTORIZED ACTUATORS MOTORIZED OPTICAL MOUNTS Specifications SR50 Series PR50 Series Travel Range (°) 360 continuous 360 continuous Resolution (°) 0.001(1) 0.01(1) Minimum Incremental Motion (°) 0.004 0.02 Uni-directional Repeatability (°) 0.003 typical, 0.01 guaranteed 0.02 typical, 0.05 guaranteed Reversal Value (Hysteresis) (°) 0.02 typical, 0.04 guaranteed 0.03 typical, 0.1 guaranteed Absolute Accuracy (°) 0.035 typical, 0.06 guaranteed 0.05 typical, 0.1 guaranteed Maximum Speed (°/s) 4 20(2) Wobble (ìrad) 40 typical, 100 guaranteed 40 typical, 100 guaranteed See the Motion Control Metrology Primer section (see page 775) for more information on typical and guaranteed specifications 1) Equal to one half-step on SR50PP and PR50PP 2) 8°/s for PR50PP when used with SMC100PP PR50 & SR50 Series Compact Rotation Stages • Compact, low-profile rotation stage for 1 in. diameter optics • Lightweight, folded motor design • Proprietary ball bearings provide smooth motion with low wobble • Variety of choices, high speed or high resolution The SR50 and PR50 Series compact rotation stages are designed to rotate optical components up to 1 in. diameter, such as polarizers, wave plates, or wedges. The small size allows use in confined spaces, such as laser cavities, disk texturing machines, or manufacturing areas for fiber optical components. The lightweight, low profile design incorporates an aluminum body with pre-loaded ball bearings. This proprietary ball bearing design provides smooth rotation with minimal wobble. A precision ground worm gear produces consistent driving torque to the rotating carriage and eliminates variations in motor current. The motor is folded inside the stage body to give an extremely small footprint for a stage at this level of precision. Note Due to its very low profile, the PR50 and SR50 stages contain pressure sensitive components. For use at a pressure level below 0.25 bar, please contact our sales department. Design Details SR50 Series PR50 Series Base Material Aluminum Aluminum Bearings Ball bearings Ball bearings Drive Mechanism Ground worm gear Ground worm gear Worm Gear Ratio 1:70 1:63 Reduction Gear 107.143:1 11.8642:1 Feedback SR50CC: Motor mounted rotary encoder, 48 pts/rev. SR50PP: Open loop (no encoder) PR50CC: Motor mounted rotary encoder, 48 pts/rev. PR50PP: Open loop (no encoder) Origin Optical Optical Motor SR50CC: DC servo motor UE16CC SR50PP: 2-phase stepper motor UE16PPSC, 1 Full step = 0.002° PR50CC: DC servo motor UE17CC PR50PP: 2-phase stepper motor UE16PPSC, 1 Full step = 0.02° Cable (m) 3 MTBF (h) 10,000 Weight [lb (kg)] 0.7 (0.3) 0.8 (0.4) All SR50 stages feature an angular resolution of 0.001°, which may be achieved with either DC Servo or open-loop stepper motors in half-step mode. The stages are equipped with a hardware origin allowing the stage to return to a reference home position to within 0.01°. SR50 stages can run in continuous rotation mode. The PR50 stages are a cost-efficient alternative to the SR50 for applications that do not require the high-resolution and precision of the SR50, or for applications that could benefit from higher speeds up to 20°/s. The PR50 stages feature angular resolution of 0.01°, which may be achieved with either DC Servo or open-loop stepper motors in half-step mode. The stages are equipped with a hardware origin and allow for continuous rotation of 360°. Phone: 1-800-222-6440 • Fax: 1-949-253-1680

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PR50 & SR50 Series Compact Rotation Stages - 2

M o t o r i z e d P o s i t i o n i n g 823 Email: sales@newport.com • Web: newport.com TECHNICAL REFERENCE MOTORIZED LINEAR STAGES MOTORIZED ROTATION STAGES MOTORIZED OPTICAL MOUNTS MOTORIZED ACTUATORS CONTROLLERS AND AMPLIFIERS SYSTEMS Accessories The EQ45 bracket can be used for vertical mounting of a PR50 or SR50 stage. EQ45 Bracket Two PR50 stages and one EQ45. Recommended Motion Controllers: XPS see page 844 ESP300 see page 849 SMC100CC see page 851 SR50CC and PR50CC SMC100PP see page 851 SR50PP and PR50PP Dimensions SR50 Series 29 21 29 Note: Shown with retaining rings 58 50 3 1.6 10...

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