Basic Info.
Application
Universal, Industrial, Joint Module
Operating Speed
Adjust Speed
Excitation Mode
Robot Application
Function
Control, Driving
Casing Protection
Protection Type
Structure and Working Principle
Hollow Type
Reduction Ratio of Reducer
50/80/100
Start-Stop Peak Torque
23/30/36n.M
Momentary Allowable Maximum Torque
46/61/70n.M
Peak Speed of Output
60/37.5/30rpm
Power Supply Voltage
48V (±10%)
Communication Mode
Ethercat/Canopen/Modbus
Transport Package
Standard Package for Exporting
Product Description
Robot Arm Hollow Brushless Joint Module Robot Joint Actuator
Product Description
This eRob series robot joint modules is a standardized joint module product based on our own servo drives and absolute encoders based on years of experience in serving customers, making robot development easier, faster, safer.
This eRob series robot joint modules include eRob70, eRob80, eRob90, eRob110, eRob142, eRob170 etc., with exquisite design and compact structure. The compact size includes servo drivers, motor side absolute value encoder, output side absolute value encoder, and frameless torque motors, brakes, precision harmonic reducers and other main components, which save customers hundreds of mechanical and electronic components selection, design, procurement, assembly labor and time costs.
Product Feature
Save the manpower and time cost of selecting, designing, purchasing and assembling hundreds of mechanical and electronic devices.
eRob70I has an outer diameter of only 70mm, a height of 75.3mm and a through-hole of 18mm.980g super light weight, torque dead weight ratio up to 50N-m/kg.This series robot joint module includes Eight core components as below, motor end absolute value encoder, multi-turn absolute encoder at output, Frameless Torque Motor, precise harmonic reducer,Torque sensor, friction brake retainer and DC drive temperature sensor.Built-in dual absolute encoder ,dual loop position control
19/20 absolute multiturn encoder for output shaft .
Repeatability up to 7arc seconds.
Absolute accuracy up to 15arc seconds.
Always have real absolute position and multi-turn counter when power off.
Built-in servo driver. Communication protocols
With EtherCAT, CANopen, Modbus communication protocols.
Position,Speed, Current loop PID adjustable online.
Built-in ± 10V analog input.
Pulse and direction, I/O, RS485,
External encoder and STO interface,
All in the space of DxL=70x67mm.
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.
Product Name
Packing list
1.eRob joint module*1
2.48V power connector (2Pin)*2
3.CANopen connector and wiring (3 Pin)*2
4.EtherCAT connector and wiring (4Pin)*2
5.I/O connector and wiring (12Pin)-Optional
Application
Application of eRob series robot joint module
This kind of robot joint modules could be used for Motion Control Scheme for Exoskeleton Robot, Medical Devices Gastrointestinal Endoscopic, Medical rehabilitation robot, Bigdog, Industrial robot arm, welding robot etc.
Detailed information
Item | eRob70I | eRob70T |
Reduction ratio of reducer | 50/80/100 | 50/80/100 |
Start-stop peak torque | 23/30/36N.m | 23/30/36N.m |
Rated torque | 7/10/10N.m | 7/10/10N.m |
Momentary allowable maximum torque | 46/61/70N.m | 46/61/70N.m |
Peak speed of output | 60/37.5/30rpm | 60/37.5/30rpm |
Motor power | 100W | 100W |
Rated current | 2.55A | 2.55A |
Peak current: | 7.8A | 7.8A |
Supply voltage | 48V(±10%) | 48V(±10%) |
Through hole diameter | 18mm | 18mm |
IP class | IP54 | IP54 |
Communication mode | EtherCAT/CANopen/Modbus | EtherCAT/CANopen/Modbus |
Weight | 0.9kg | 1.3kg |
Out diameter | 70*75.3mm | 73*99*18mm |
Address:
Zhengzhou, Henan, China
Business Type:
Manufacturer/Factory
Business Range:
Electrical & Electronics, Industrial Equipment & Components, Manufacturing & Processing Machinery
Management System Certification:
ISO 9001
Company Introduction:
Zhengzhou Defy Mechanical&Electrical Equipment Co., Ltd is a professional manufacturer of Robotic Joint Modules and harmonic reducers. Our factory dedicates to the research of Robotic Joint Modules and Harmonic Reducers since 2010s, more than 10 years′ experience makes our product quality rank in the leading position in China. With an annual output of 10, 000 sets of various products for the market, with high precision and stable performance.
After continuous upgrading and improvement, our products have been welcomed by more and more customers. Our products have been sold to many countries around the world, such as the United States, Canada, New Zealand, the Netherlands, Switzerland, Iran, Russia, Japan, Slovakia, France, South Korea, Malaysia, Thailand, Vietnam, India, Belgium, Spain, United Kingdom, Israel and so on.