PK Series

Drive unit made up of an input multistage angular gear unit and a robust planetary output stage. Robust solid shaft. Synchronous servo motor EZ. Extremely compact. Highest power per unit volume. Large torque. High dynamic.
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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]

P521_K102 12 – 235 68 – 300 25 – 231 5000 – 7000 4 – 5 23 – 26
P721_K102 28 – 393 158 – 650 58 – 484 5000 – 7000 3.5 – 4 46 – 47
P721_K202 12 – 278 226 – 700 87 – 536 4500 – 6500 4 – 4.5 39 – 47
P821_K202 28 – 486 332 – 1400 121 – 1071 4500 – 6500 3.5 132 – 134
P821_K302 12 – 279 226 – 1600 119 – 1202 4000 – 6000 4 – 4.5 89 – 132
P921_K402 28 – 390 885 – 2700 458 – 2063 3800 – 5500 3.5 271

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