PHK Series

Our newly developed STOBER right-angle planetary geared motors are especially impressive thanks to their outstanding precision and performance, as well as very low backlash, high torsional stiffness and exceptionally constant speed.
Availability: PH5K − PH7K: 03/20 │ PH8K: 05/20

Highly rigid drive unit made of leading right-angle gear unit and rugged, mounted planetary output stage. Flange output shaft. EZ synchronous servo motor. Extremely compact. Highest volume performance. High torque. High dynamics.

Type

Ratio

Max. perm. acceleration torque [Nm]

Stall torque at the gear unit output [Nm]

Max. perm. input speed in cyclic operation [rpm]

Backlash [arcmin]

Torsional stiffness [Nm/arcmin]

PH531_K102 16 – 235 89 – 385 33 – 266 5000 – 7000 2 – 4.5 52 – 62
PH731_K102 28 – 393 156 – 869 57 – 561 5000 – 7000 1.5 – 4 105 – 111
PH731_K202 16 – 278 235 – 882 86 – 655 4500 – 6500 2 – 4.5 100 – 117
PH831_K202 28 – 555 328 – 1478 120 – 1139 4500 – 6500 1.5 – 3.5 245 – 260
PH831_K302 16 – 279 501 – 1848 208 – 1376 4000 – 6000 2 – 4 185 – 245
PH931_K513 33 – 466 1772 – 4500 736 – 3399 3200 – 5000 4 – 4.5 525 – 730
PH1031_K613 49 – 457 3508 – 7500 1348 – 5776 3000 – 4500 4 1210