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Rainbow Robotics RB20-1900 Review: Specs, Price and Applications of the 20 kg Collaborative Robot

Oct 10
3 min read

Updated: 2 days ago

Rainbow Robotics RB20-1900 6-axis collaborative robot with 20 kg payload
The Rainbow Robotics RB20-1900.

The Rainbow Robotics RB20-1900 is a 6-axis collaborative robot with a maximum payload of 20 kg, a reach of 1900 mm and ±0.05 mm repeatability, listed from USD 52,100. This review covers its full specifications, design, programming options, applications and price, so you can decide whether it fits your automation project.

Quick Verdict

The Rainbow Robotics RB20-1900 is a 6-axis collaborative robot with a payload of 20 kg, a reach of 1900 mm and a repeatability of ±0.05 mm. The arm weighs 75 kg, has a Ø245 mm base footprint and can be mounted in any orientation. Its high payload and long reach suit palletizing, heavy part handling and machine tending. The RB series is CE, KC and TÜV SÜD certified and designed for collaborative operation per ISO/TS 15066. It is listed from USD 52,100.


Rainbow Robotics RB20-1900 at a Glance

  • Maximum payload: 20 kg

  • Reach: 1900 mm

  • Axes: 6

  • Repeatability: ±0.05 mm

  • Speed: TCP 2 m/s; joint speeds: J1 to J4 120°/s, J5 and J6 180°/s

  • Weight: : 75 kg

  • Controller: Rainbow Robotics CB06 standard robot control box

  • Price: from USD 52,100


Rainbow Robotics RB20-1900 Technical Specifications

The table below lists the published specifications of the Rainbow Robotics RB20-1900.

Specification

Rainbow Robotics RB20-1900

Manufacturer

Rainbow Robotics

Model

RB20-1900

Robot type

6-axis collaborative robot

Maximum payload

20 kg

Reach

1900 mm

Axes

6

Repeatability

±0.05 mm

Speed

TCP 2 m/s; joint speeds: J1 to J4 120°/s, J5 and J6 180°/s

Controller

Rainbow Robotics CB06 standard robot control box

Interfaces

Ethernet (TCP/IP, Modbus TCP), EtherNet/IP, PROFINET, OPC UA, digital and analog I/O

Certifications

CE, KC, TÜV SÜD certified, collaborative operation per ISO/TS 15066

Starting price

From USD 52,100


Detailed Technical Data

  • Weight: 75 kg

  • Base footprint: Ø245 mm

  • Mounting: any orientation

  • Axes: 6


Design and Build Quality

Rainbow Robotics RB20-1900 robot
The Rainbow Robotics RB20-1900.

The RB20-1900 is a 6-axis collaborative robot made by Rainbow Robotics. Published build data: Weight: 75 kg; mounting: any orientation.


Programming and Software

Controller and Software

Published controller for the RB20-1900: Rainbow Robotics CB06 standard robot control box. Programming interfaces, software licences and simulation tools vary by package, so confirm what is included before ordering.

Industrial Communication

Published interfaces are Ethernet (TCP/IP, Modbus TCP), EtherNet/IP, PROFINET, OPC UA, digital and analog I/O.


Rainbow Robotics RB20-1900 Applications and Use Cases

Typical applications for the RB20-1900 are machine tending, assembly, inspection, education, research, packaging and dispensing.

Machine tending

Rainbow Robotics RB20-1900 robot arm
The Rainbow Robotics RB20-1900.

The RB20-1900 loads and unloads machine tools, presses and moulding machines within its 1900 mm reach.

Assembly

Repeatability of ±0.05 mm supports fitting, inserting and fastening parts in assembly cells.

Inspection

The RB20-1900 presents parts to cameras and gauges, or carries the sensor to the part.


Rainbow Robotics RB20-1900 Price and Value

The Rainbow Robotics RB20-1900 is listed from USD 52,100 on All Things Cobots. The controller, end effectors, safety equipment and integration affect the final price and are quoted separately. Prices are indicative, are not final and may change.


Pros and Cons

Pros

  • 20 kg maximum payload with a 1900 mm reach

  • ±0.05 mm repeatability

  • Speed: TCP 2 m/s; joint speeds: J1 to J4 120°/s, J5 and J6 180°/s

  • Collaborative design for work near people, subject to a risk assessment

Cons

  • The 20 kg maximum payload includes the end effector

  • End effectors, safety equipment and integration are quoted separately


Who Should Buy the Rainbow Robotics RB20-1900?

The Rainbow Robotics RB20-1900 fits manufacturers that want a robot working near people without full fencing, subject to a risk assessment.



See the full Rainbow Robotics RB20-1900 product listing on All Things Cobots.



Rainbow Robotics RB20-1900 FAQ

How much does the Rainbow Robotics RB20-1900 cost?

The Rainbow Robotics RB20-1900 is listed from USD 52,100 on All Things Cobots. The price is indicative and may change, and it does not include end effectors, safety equipment or integration.

What is the payload and reach of the Rainbow Robotics RB20-1900?

The RB20-1900 has a maximum payload of 20 kg and a reach of 1900 mm.

How accurate is the Rainbow Robotics RB20-1900?

Its published repeatability is ±0.05 mm.

How many axes does the Rainbow Robotics RB20-1900 have?

The RB20-1900 has 6 axes.

How is the Rainbow Robotics RB20-1900 programmed?

Programming is done with Rainbow Robotics's own software. Confirm the included interfaces and SDKs with the supplier.

Which controller does the Rainbow Robotics RB20-1900 use?

Published controller: Rainbow Robotics CB06 standard robot control box.

How much does the Rainbow Robotics RB20-1900 weigh?

Published weight: 75 kg.

How can the Rainbow Robotics RB20-1900 be mounted?

Published installation options: : any orientation.

Is the Rainbow Robotics RB20-1900 a collaborative robot?

Yes. The RB20-1900 is a collaborative robot. Every collaborative application still needs its own risk assessment.

What is the Rainbow Robotics RB20-1900 used for?

Typical applications are machine tending, assembly, inspection, education, research, packaging and dispensing.


Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.

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