PK Series

Drive unit made up of an input multistage angular gear unit and a robust planetary output stage. Robust solid shaft. Motor adapter with integrated holding brake and plug-in coupling.

Type Ratio Max. perm. acceleration torque [Nm] Weight [kg] Max. perm. input speed in cyclic operation [1/min] Backlash [arcmin] Torsional stiffness [Nm/arcmin]
P521_K1_ 12 – 42 200 – 300 23 4000 4 – 5 20 – 26
P721_K1_ 28 – 88 500 – 650 27 4000 3.5 – 4 45 – 47
P721_K2_ 12 – 87 423 – 700 34 – 40 4000 4 – 4.5 32 – 47
P821_K2_ 28 – 196 988 – 1400 47 – 53 4000 3.5 117 – 133
P821_K3_ 12 – 174 423 – 1600 52 – 58 3800 – 4000 4 – 4.5 60 – 131
P921_K4_ 28 – 390 1660 – 2700 88 – 105 3000 – 4000 3.5 232 – 270