PHQA Series

The PHQA Series ServoFit® Precision Planetary Gearhead is the high precision and low backlash version of the PHQ.  This quattro power planetary speed reducer has a flange output, provides the highest torque density and stiffness.

Type Ratio Max. perm. acceleration torque [Nm] Weight [kg] Max. perm. input speed in cyclic operation [1/min] Backlash [arcmin] Torsional stiffness [Nm/arcmin]
PHQA421 5.5 170 3.9 – 4.6 6000 1 38 – 39
PHQA422 22 – 55 170 4.5 – 5.2 6500 – 8000 1 35 – 37
PHQA521 5.5 425 6.6 – 8.3 5500 1 92 – 99
PHQA522 22 – 55 425 8.1 – 8.8 6000 – 7000 1 87 – 94
PHQA721 5.5 950 13 – 17 5000 1 197 – 213
PHQA722 22 – 55 950 15 – 16 5000 – 6500 1 195 – 205
PHQA723 88 – 550 950 16 – 17 6000 – 7000 1 195 – 204
PHQA822 22 – 55 2600 40 – 44 4500 – 6000 1 611 – 649
PHQA823 88 – 550 2600 43 – 44 5000 – 6500 1 611 – 646
PHQA932 18 – 60 6000 81 3000 – 4500 1 1144 – 1192
PHQA933 72 – 600 6000 85 – 89 4500 – 6000 1 1144 – 1205