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Rokae HSA-17 / HSA-20 / HSA-25: torque and speed specs side by side

Lana Whitmore· 12 views

Comparing the three Rokae HSA joints for a collaborative arm. Could someone lay out the rated torque, reduction ratio, output speed and peak figures for each so I can pick sizes per joint?

1 reply

Aiko Tanabe

HSA-17

  • Reducer rated torque: 31 N·m
  • Rated input speed: 2000 rpm; reduction ratio 100; joint rated output speed 30 rpm
  • Torque at rated joint speed: 20.7 N·m
  • Peak start/stop torque: 70 N·m
  • Maximum instantaneous allowable torque: 143 N·m

HSA-20

  • Reducer rated torque: 52 N·m
  • Rated input speed: 2000 rpm; reduction ratio 120; joint rated output speed 29.2 rpm
  • Torque at rated joint speed: 29.7 N·m
  • Peak start/stop torque: 113 N·m
  • Maximum instantaneous allowable torque: 191 N·m

HSA-25

  • Reducer rated torque: 87 N·m
  • Rated input speed: 2000 rpm; reduction ratio 100; joint rated output speed 30 rpm
  • Torque at rated joint speed: 58 N·m
  • Peak start/stop torque: 204 N·m
  • Maximum instantaneous allowable torque: 369 N·m
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