PK 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: P5K − P7K: 03/20 │ P8K − P9K: 05/20

Drive unit made of leading multi-stage right-angle gear unit and rugged planetary output stage. Rugged solid 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]

P531_K102 12 – 235 68 – 350 25 – 269 5000 – 7000 2 – 5 22 – 29
P731_K102 28 – 393 158 – 805 58 – 567 5000 – 7000 1.5 – 4 50 – 52
P731_K202 12 – 278 226 – 805 87 – 604 4500 – 6500 2 – 4.5 40 – 53
P831_K202 28 – 555 332 – 1494 121 – 1151 4500 – 6500 1.5 – 3.5 128 – 132
P831_K302 12 – 279 463 – 1840 163 – 1390 4000 – 6000 2 – 4.5 83 – 128
P931_K402 28 – 485 1217 – 3105 505 – 2398 3800 – 5500 3.5 305