SITO DRIVE HS-20-II Reducer, 30–120 Ratios for Robotics

SITO DRIVE

$394.32 USD

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Speed Ratio 30 50 80 100 120

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Overview

The SITO DRIVE HS-20-II reducer is offered in 30, 50, 80, 100, and 120 speed-ratio options for robotics applications including humanoid robots, robotic arms, exoskeletons, quadruped robots, AGV vehicles, and ARU robots. Select the ratio according to the corresponding torque, backlash, and input-speed values. All listed options have a maximum allowable input speed of 6500 rpm and an allowable average speed of 3500 rpm.

Features

HS-20-II reducer with five selectable speed ratios: 30, 50, 80, 100, and 120.
Maximum allowable input speed: 6500 rpm for every listed ratio.
Allowable average speed: 3500 rpm for every listed ratio.
Moment of inertia: 0.193 × 10⁻⁴ kg·m² for every listed ratio.

Specifications

Parameter	Ratio 30	Ratio 50	Ratio 80	Ratio 100	Ratio 120
Model	HS-20-II	HS-20-II	HS-20-II	HS-20-II	HS-20-II
Transmission ratio	30	50	80	100	120
Rated torque at 2000 r/min input	15 Nm	25 Nm	34 Nm	40 Nm	40 Nm
Peak torque allowed during start/stop	27 Nm	56 Nm	74 Nm	82 Nm	87 Nm
Maximum allowable average load torque	20 Nm	34 Nm	47 Nm	49 Nm	49 Nm
Instantaneous maximum torque	50 Nm	98 Nm	127 Nm	147 Nm	147 Nm
Maximum allowable input speed	6500 rpm	6500 rpm	6500 rpm	6500 rpm	6500 rpm
Allowable average speed	3500 rpm	3500 rpm	3500 rpm	3500 rpm	3500 rpm
Moment of inertia	0.193 × 10⁻⁴ kg·m²	0.193 × 10⁻⁴ kg·m²	0.193 × 10⁻⁴ kg·m²	0.193 × 10⁻⁴ kg·m²	0.193 × 10⁻⁴ kg·m²
Backlash	≤20 arcsec	≤20 arcsec	≤10 arcsec	≤10 arcsec	≤10 arcsec

SITO HS 20 II Reducer — 3D Model (STEP)

SITO HS 20 II Draw instalation drawing — Installation Drawing (PDF)

Applications

Humanoid robots, where the selected ratio can be matched to the listed torque and backlash values.
Robotic arms, where ratio selection supports actuator-drive configuration.
Exoskeletons, quadruped robots, AGV vehicles, and ARU robots requiring a reducer option from the listed ratio range.