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

SITO DRIVE

$416.40 USD

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Speed Ratio 30 50 80 100 120

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Overview

The SITO DRIVE CS-20-II reducer is offered with transmission-ratio options of 30, 50, 80, 100, and 120 for robotics applications including humanoid robots, robotic arms, exoskeletons, quadruped robots, AGV vehicles, and ARU robots. Select the ratio according to the model-specific torque ratings and backlash values listed below; all listed options share a 6500 rpm maximum allowable input speed and 3500 rpm allowable average speed.

Features

Selectable transmission ratios: 30, 50, 80, 100, or 120.
Maximum allowable input speed: 6500 rpm for every listed ratio.
Allowable average speed: 3500 rpm for every listed ratio.
Backlash: ≤20 arcsec for ratios 30 and 50; ≤10 arcsec for ratios 80, 100, and 120.

Specifications

Parameter	Ratio 30	Ratio 50	Ratio 80	Ratio 100	Ratio 120
Model	CS-20-II	CS-20-II	CS-20-II	CS-20-II	CS-20-II
Transmission ratio	30	50	80	100	120
Rated torque at 2000 r/min input	15 Nm	25 Nm	34 Nm	40 Nm	47 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	55 Nm
Instantaneous maximum torque	50 Nm	98 Nm	121 Nm	147 Nm	160 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

Applications

Humanoid robots: select the required ratio and corresponding torque values for robotic joint-drive design.
Robotic arms: use the ratio-specific backlash and torque data when specifying articulated-axis reduction.
Exoskeletons, quadruped robots, AGV vehicles, and ARU robots: select from the available 30, 50, 80, 100, and 120 transmission ratios to match the required reduction.