Overview
SITO DRIVE TA-70 is a rotary actuator designed for integrated robot joint applications. It supports CAN 2.0B communication (1M bps) and is available with transmission ratio options of 50 or 100, with corresponding torque, speed, accuracy, and power specifications.
The internal structure visuals indicate an integrated design including a harmonic reducer, frameless torque motor, drive, motor end/output end encoder, and an optional brake (weights are provided with and without brake).
Key Features
- Communication mode: CAN 2.0B; baud rate: 1M bps
- Supply voltage: 10-60 V (Recommended 48V)
- Face mounting installation
- Hollow bore diameter: 12 mm
- IP grade: IP54
- Life: 7000 h
- Promotional/series material highlights: “MINIMAL SPACE MAXIMUM POWER”, “LONGER WORKING LIFE 7000 h”, and temperature tolerance messaging “-35°~80°”
- Software/support messaging: multiple control modes, rich video tutorials, easy-to-use host computer software, comprehensive documentation support, complete SDK for Windows and Linux environments
Specifications
| Parameter | TA-70 (Transmission Ratio 50) | TA-70 (Transmission Ratio 100) |
|---|---|---|
| Model | TA-70 | TA-70 |
| Transmission Ratio | 50 | 100 |
| Rated Torque | 11 Nm | 16 Nm |
| Peak Torque allowed during start/stop | 23 Nm | 37 Nm |
| Maximum allowable average load torque | 18 Nm | 27 Nm |
| Instantaneous Maximum Torque | 30 Nm | 60 Nm |
| Diameter | 70 mm | 70 mm |
| Length | 71.68 mm | 71.68 mm |
| Hollow Bore Diameter | 12 mm | 12 mm |
| Weight without brake | 0.72 kg | 0.72 kg |
| Weight with brake | 0.76 kg | 0.76 kg |
| Maximum Operating Temperature | 80 °C | 80 °C |
| Minimum Operating Temperature | -40 °C | -40 °C |
| Life | 7000 h | 7000 h |
| Installation Methods | Face Mounting | Face Mounting |
| Repeat Positioning Accuracy | 30 arcsec | 15 arcsec |
| Absolute Positioning Accuracy | 120 arcsec | 100 arcsec |
| Communication Mode | CAN 2.0B | CAN 2.0B |
| Baud rate | 1M bps | 1M bps |
| Maximum Output Speed | 80 rpm | 40 rpm |
| Supply Voltage | 10-60 V (Recommended 48V) | 10-60 V (Recommended 48V) |
| Rated Power | 60 W | 72 W |
| Peak Power | 190 W | 240 W |
| Version model | V1 | V1 |
| IP grade | IP54 | IP54 |
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
Manuals
Details
A compact, integrated rotary actuator platform designed for space‑constrained robot joints.
Integrated architecture combines a harmonic reducer, frameless torque motor, onboard drive, dual encoders, and an optional brake.
Skip bulky external gearing and wiring with an integrated joint actuator built for high power density.
Efficient operation supports lower power draw in rated conditions while maintaining compact joint packaging.
Stable performance across a wide operating range, from -35°C to 80°C, for demanding environments.
Designed for longer service life, with a rated working life of 7000 hours.
Multiple control modes, host software, documentation, and a Windows/Linux SDK streamline integration and commissioning.
