PH Series

Precision for typical servo applications. Helical gearing. Highest torsional and tilting stiffness. Backlash up to ≤3 arcmin. Flange output shaft. Synchronous servo motor EZ. Extremely compact. Highest power per unit volume. Large torque. High dynamic.

Type Ratio Max. perm. acceleration torque [Nm] Stall torque at the gear unit output [Nm] Max. perm. input speed in cyclic operation [1/min] Backlash [arcmin] Torsional stiffness [Nm/arcmin]
PH321 5 – 10 24 – 65 8.1 – 41 6000 4 11 – 16
PH322 20 – 50 52 – 65 18 – 44 8000 4 14 – 15
PH421 4 – 10 41 – 130 17 – 84 5000 – 6000 3 21 – 39
PH422 16 – 70 65 – 130 22 – 97 6500 – 8000 3 24 – 29
PH521 4 – 10 77 – 320 38 – 201 5000 – 6000 3 55 – 98
PH522 16 – 70 126 – 320 52 – 246 6000 – 7000 3 58 – 71
PH721 4 – 10 192 – 700 80 – 451 4000 – 5000 3 117 – 185
PH722 16 – 70 298 – 700 108 – 532 5000 – 6500 3 126 – 150
PH821 4 – 10 557 – 1378 254 – 902 3500 – 4000 3 317 – 634
PH822 16 – 100 521 – 2000 273 – 1543 4500 – 6000 3 305 – 484
PH932 12 – 60 1618 – 5000 744 – 2977 3000 – 4500 3 1057 – 1240
PH1032 18 – 60 2427 – 7500 1117 – 4196 3000 – 4500 3 1602 – 1778