ARC Welding using the Rainbow Robotics RB-5

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ARC Welding using the Rainbow Robotics RB-5

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Application Field: Industry > Metal·Plastics, Industry > Machine, Application > Welding, Sector > Manufacturing

Industry > Metal·PlasticsIndustry > MachineApplication > WeldingSector > Manufacturing

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Curious about the robots deployed?

Rainbow robotics cobot RB5-850 (Payload : 5kg, Reach : 927mm)

Process Overview

This welding automation solution uses the Rainbow Robotics RB-5 and a NOUBELON DIGITAL MIG/MAG welder to weld cylindrical workpieces onto a plate, featuring fast teaching and high space efficiency. In manual welding, quality can vary significantly depending on operator skill, and the harsh working environment makes it difficult to secure experienced welders.

With this cell, even non-expert operators can simply load and unload parts, while the robot performs the critical welding process—enabling consistent weld quality and stable production output.

Components

Robot	Rainbow Robotics RB5-850 Horizontal reach: 850 mm Repeatability: ±0.1 mm IP rating: IP66
Peripherals	Tooling Welding torch Torch mount Peripheral Equipment NOUBELON welder (DPS series) — Digital MIG/MAG, Synergic operation supported Wire feeder Gas supply unit Robot mounting base Workpiece fixing jig Job start/command switch box

Workflow

STEP 1.	Secure the workpiece in the welding jig
STEP 2.	Press the job start button
STEP 3.	The robot performs the welding operation

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Features

Higher efficiency and quality through smart division of work (robot + operator)

The robot handles the skill- and consistency-critical welding, while the operator focuses on part load/unload—improving throughput and weld quality at the same time.

Easy job teaching

Supports direct teaching, allowing the operator to physically guide/move the robot arm to teach paths.
Even if the model changes, additional teaching can be completed within 10 minutes.
Uses an Android-based tablet teach pendant, enabling easy app installation and high accessibility.

Robot optimized for welding environments

High IP rating (IP66) helps protect components in harsh welding shop conditions.
Compact, lightweight collaborative robot minimizes required installation footprint.

Peace of mind with warranty coverage

Provides a 1-year warranty (standard / free warranty period).

Results

Key Benefits	Improved weld quality, Increased productivity to a level comparable to skilled welders
Client Feedback	Skilled welders were difficult to hire, and even after training foreign workers, it took time to build proficiency—making stable operation challenging with robot automation, we achieved consistent-quality welding, which significantly improved productivity.

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