6-Axis Industrial Robot Arm (20kg)

6-Axis Industrial Robot Arm for Welding, Handling & Palletizing 

20kg Payload, 1.8m Reach (CRP-RH18-20-W)

Product Overview

The CRP-RH18-20-W is a high-performance 6-axis industrial robot engineered for advanced automation applications, including:

• Robotic welding (MIG/TIG)

• Cutting operations

• Automated handling

• Injection machine unloading

• Stamping manipulation

• Palletizing

• Assembly line integration

• Marking and finishing processes

Designed for heavy-duty industrial environments, it delivers high precision, dynamic performance, and flexible integration capability.

Key Technical Specifications

• Model: CRP-RH18-20-W

• Structure: Vertical articulated industrial robot

• Number of axes: 6

• Maximum payload: 20 kg

• Maximum reach: 1720 mm

• Repeatability: ±0.08 mm

• Robot weight: 285 kg

• Protection rating: IP56

• Mounting options: Floor mounted or inverted installation

Axis Motion Range

• Axis 1: -167° ~ +167°

• Axis 2: 0° ~ +175°

• Axis 3: -80° ~ +150°

• Axis 4: -190° ~ +190°

• Axis 5: -105° ~ +130°

• Axis 6: -210° ~ +210°

Wide articulation enables complex multi-angle operations and high flexibility in confined spaces.

Maximum Axis Speed

• Axis 1: 159°/s

• Axis 2: 159°/s

• Axis 3: 169°/s

• Axis 4: 280°/s

• Axis 5: 240°/s

• Axis 6: 483°/s

Optimized for high-speed cycle operations and increased production throughput.

Torque & Dynamic Performance

• Rated torque Axis 4–5: 48 Nm

• Rated torque Axis 6: 28 Nm

• Moment of inertia Axis 4–5: 1.8 kg·m²

• Moment of inertia Axis 6: 0.8 kg·m²

Suitable for welding tools, grippers, and medium-load industrial end effectors.

Structural & Electrical Features

• High-rigidity compact structure

• Internal cable routing for protection and safety

• Built-in transformer (380V / 200V isolation)

• Integrated three-phase filter for improved EMC/EMI performance

• Dual emergency stop circuit for enhanced operational safety

• Independent control system

• Hollow wrist design (Ø46 mm inner diameter) for welding torch and cable routing

Industrial Applications

Ideal for:

• Automated welding cells

• Robotic production lines

• CNC loading/unloading

• Press and stamping operations

• Palletizing systems

• Automotive manufacturing

• Electrical and mechanical industries

• Metal fabrication

• Offshore and heavy structural applications

Operational Advantages

• High positioning accuracy

• Reduced labor costs

• Increased productivity

• Improved weld quality consistency

• 24/7 continuous operation capability

• Shorter cycle times

• High scalability for multi-robot systems

• Compatible with Flexible Manufacturing Systems (FMS)

Environmental Requirements

• Operating temperature: 0° ~ 45°C

• Relative humidity: 20% ~ 80% (non-condensing)

• Vibration tolerance: ≤ 0.5G

• Install away from flammable liquids or corrosive gas sources

Automation Integration

The CRP-RH18-20-W can be integrated into:

• Fully automated welding systems

• Flexible manufacturing lines (FMS)

• Multi-robot synchronized cells

• Just-In-Time (JIT) production environments

• Smart factory automation systems