PHK Series

Highly rigid drive unit made up of an input multistage angular gear unit and a robust planetary output stage. 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]
PH521_K1_ 16 – 235 89 – 320 33 – 244 4500 – 6000 4 – 4.5 52 – 60
PH721_K1_ 28 – 393 156 – 650 57 – 479 4500 – 6000 3.5 – 4 100 – 108
PH721_K2_ 16 – 278 127 – 700 45 – 501 4000 – 5500 4 – 4.5 89 – 109
PH821_K2_ 28 – 486 222 – 1478 78 – 1139 4000 – 5500 3.5 244 – 248
PH821_K3_ 16 – 279 501 – 1848 208 – 1350 3800 – 5000 4 186 – 239
PH931_K5_ 33 – 466 1772 – 4500 736 – 3399 3000 – 4500 4 – 4.5 525 – 730
PH1031_K6_ 49 – 457 3508 – 7500 1456 – 5776 2900 – 4000 4 1210

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