PHK Series

The PHK Series combines the PH Series Planetary Gearhead with a reduced backlash right-angle K Series. The combination unit provides quiet running operation along with higher ratios and input speed options.

Type Ratio Max. perm. acceleration torque [Nm] Weight [kg] Max. perm. input speed in cyclic operation [1/min] Backlash [arcmin] Torsional stiffness [Nm/arcmin]
PH521_K1_ 16 – 280 320 18 – 19 4500 – 6000 4 – 4.5 38 – 60
PH721_K1_ 28 – 561 403 – 650 22 – 23 4500 – 6000 3.5 – 4 86 – 108
PH721_K2_ 16 – 278 358 – 700 29 – 34 4000 – 5500 4 – 4.5 54 – 109
PH821_K2_ 28 – 555 626 – 1478 51 – 56 4000 – 5500 3.5 158 – 248
PH821_K3_ 16 – 279 894 – 1700 56 – 61 3800 – 5000 4 85 – 238
PH931_K5_ 33 – 466 3840 – 4500 90 – 99 3000 – 4500 4 – 4.5 350 – 727
PH1031_K6_ 49 – 457 6275 – 7500 134 – 165 2900 – 4000 4 798 – 1206

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