eRob 70F-ZeroErr eRob 70F Rotary Actuator

8 Core components

Absolute encoder for motor,Multiturn absolute encoder for output shaft,Servo motor,Servo driver Temperature sensor,Fricition brake,Virtual Torque Sensor on output shaft,Precision strain wave gear（SWG）,servo motor.

Absolute Encoder for Motor Multiturn Absolute
Encoder for Output Shaft Servo Motor High Precision
Strain Wave Gear Servo Driver
Temperature Sensor Friction Brakes Virtual Torque Sensor
on Output Shaft

Product Data

Model

eRob70FXXI

Strain wave gear-ratio

14-50
Ultra-Flat

14-80
Ultra-Flat

14-100
Ultra-Flat

Peak torque for start and stop(Nm)

Permissible max.value at average load torque(Nm)

4.8

7.7

Rated torque(Nm)

3.7

5.4

Permissible maximum momentary torque(Nm)

Max. output rotational speed(RPM)

37.5

Motor power(W)

Power Input Voltage(V)

48V (±10%)

Please make sure to read "Comparison of Switching Power Supply and ePower" and the “eRob Rotary Actuator User Manual” Chapter 3, for clear instructions on powering the eRob module.

Strain wave gear output inertia(g-mm²)

54030

Strain wave gear output mass(KG)

0.13

Outer diameter*length

70*60.4mm

Strain wave gear input inertia(g-mm²)

43656

Strain wave gear input mass(KG)

0.15

Weight(KG)

0.77

Common parameters

ID: 18mm, IP grating:IP54^*, Brake model: friction brake

Optional device

Communication type: EtherCAT / CANopen/Modbus, Output encoder resolution: 19Bit. Repeatability/Accuracy: ±7/±15 arc seconds or ±10/±25 arc seconds.

EtherCAT version rotary actuator

Optional interface: RS485, Pulse/DIR, I/O, ±10V Analog and STO.

CANopen version rotary actuator

Optional interface: RS485, Pulse/DIR, I/O, ±10V Analog and STO.

Benefits

Built-in servo driver. Communication protocols

With EtherCAT, CANopen, Modbus communication protocols.

Position,Speed, Current loop PID adjustable in real-time.

Built-in ± 10V analog input.

Pulse and direction, I/O, RS485,

External encoder and STO interface,

All in the space of DxL=70x67mm

Built-in dual absolute encoder. Dual loop position control

19bit absolute multiturn encoder for output shaft.

Repeatability up to ±7 arc seconds.

Absolute accuracy up to ±15 ^* arc seconds.

Always have real absolute position and multi-turn counter when power-off.

Friction brake inside

Brake smooth and stable.

No gap; No backlash.

No need to move when power-on.

No wear and tear.

Can be used as Emergency Stop.

Applications

Application in Laparoscopic Surgical Robots

ZeroErr eRob rotary actuator's application in exoskeleton robot.

Motion Control Scheme for Exoskeleton Robot

ZeroErr's Motion Control Scheme for Humanoid Robots, 26 eRob series rotary actuators have been applied.

Application in Humanoid Robots

ZeroErr eCoder series encoder is widely used in the field of medical devices, such as gastrointestinal endoscopy, with excellent performance of high safety and accuracy.

Application in Medical Devices Gastrointestinal Endoscopic

Cobots are the latest technology in robotics and have changed the world of automation significantly. The name cobot is a derivative of "collaborative robot".

Actuators, build cobots fast

At analytica China 2020, MegaRobo released the first bio-safety 7-axis collaborative robot MRS-03 in China. This robot is based on MegaRobo motion control and ZeroErr robot actuators.

Application in the First Domestic Bio-safety 7-axis Cobot

Solutions

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SURGICAL

INDUSTRIAL

SCIENTIFIC

MICROELECTRONICS

SURGICAL

INDUSTRIAL

SCIENTIFIC

MICROELECTRONICS

Downloads

Products

Software

Certificates

Data Sheet

eRob 2D&3D

eRob User Manual

Communication Manual

ZeroErr Product Brochure

eTunner Debugging Software

eRunner Motion Control Software

Certificates

eRob 70F

8 Core components

Product Data

Benefits

Built-in servo driver. Communication protocols

Built-in dual absolute encoder. Dual loop position control

Friction brake inside

Applications

Solutions

Downloads

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