Home > Product Information > Rotary Actuator > RSF / RKF Series

| Features | Models & Symbols | Specification | Product drawing | TheRSF•RKF series is compact and includes high-torque AC servo actuators with high rotational accuracy and flange output combining a speed reducer Hamonic Drive® for precision control and an AC servo motor.This is combined with a dedicated servo driver that fully demonstrates the performance of the RKF·RKF series of implements compact machines and equipment with a high rotational accuracy. • compact and lightweight • High power • High positioning and high rotational accuracies Used for: • Semiconductor manufacturing systems • FPD manufacturing systems • Electromic component insertion machines • Measurement analytical and test systems Type: RSF series (Shaft output ), RKF series (Flange output) Size: RSF series: 8, 11, 14, 17, 20, 25, 32 RKF series: 20, 25, 32 Version symbol: A Harmonic Drive® Reduction ratio: 50,100 Encoder type E: Incremental encoder Encoder resolution 200: 2000p/rev Special specification (Suffix "SP" is only special specification) Item/model RSF-8A RSF-11A RSF-14A Reduction ratio - 50 100 50 100 50 100 Rated torque N·m 1.5 2.0 3.1 4.3 5.0 7.8 Rated rotational speed r/min 60 30 60 30 60 30 Maximum momentary torque N·m 2.7 3.5 4.9 7.8 14 20 Moment of inertia kg·m2 0.0023 0.009 0.0063 0.025 0.014 0.056 Uni-directional positional accuracy sec 150 120 120 Detector resolution *1 p/rev 400,000 800,000 400,000 800,000 400,000 800,000 Mass kg 0.31 0.51 0.85 Combined driver *2 - HA-520-1M-100 HA-520-1N-100 HA-520-1P-100 HA-655-1B-100 HA-655-1B-100 HA-655-1B-100 Item/model RSF-17A RSF/RKF-20A RSF/RKF-25A Reduction ratio - 50 100 50 100 50 100 Rated torque N·m 9.8 20 19 35 29 59 Rated rotational speed r/min 60 30 60 30 60 30 Maximum momentary torque N·m 34 54 56 82 98 157 Moment of inertia kg·m2 0.047 0.19 0.098 0.39 0.19 0.77 Uni-directional positional accuracy sec 120 90 90 Detector resolution *1 p/rev 400,000 800,000 400,000 800,000 400,000 800,000 Mass kg 2.1 2.9 4.7 Combined driver *2 - HA-520-1R-200 HA-520-1R-200 HA-520-3-200 HA-655-2B-200 HA-655-2B-200 HA-655-2B-200 Item/model RSF/RKF-32A Reduction ratio - 50 100 Rated torque N·m 49 98 Rated rotational speed r/min 60 30 Maximum momentary torque N·m 220 330 Moment of inertia kg·m2 0.67 2.7 Uni-directional positional accuracy sec 90 Detector resolution *1 p/rev 400,000 800,000 Mass kg 8.7 Combined driver *2 - - HA-655-4B-200 *1: Detector resolution is calculated by (Motor shaft resolution) x4x (Reduction ratio) *2: HA-520 does only position control. HA-655 does speed control and position control. • RSF-8A, 11A, 14A (Unit:mm) Model A B C Mass (kg) RSF-8A 33 137 ø28 0.31 RSF-11A 40 139.5 40 0.51 RSF-14A 50 167 40 0.85 • RSF-17A • RSF-20A, 25A, 32A (Unit:mm) Model A B C D±1 øE h7 F G Mass (kg) RSF-20A 242 48 98 96 85 60 93 2.9 RSF-25A 288.7 60 104.7 124 110 60 116 4.7 RSF-32A 331 80 123 128 130 80 137 8.7 • RKF-20A, 25A, 32A (Unit:mm) Model A B C D±1 øE h7 F G Mass (kg) RKF-20A 180 20 64 96 100 60 108 2.9 RKF-25A 215.5 22 69.5 124 120 60 130 5.0 RKF-32A 241 25.5 87.5 128 155 80 165 9.5 Please confirm dimensions and specification with the drawing issued by Harmonic Drive Systems. | Features | Models & Symbols | Specification | Product drawing |