Product Introduction
Arc Welding Robot for Industrial Welding Automation
CRP Arc Welding Robot is a 6-axis robotic welding solution designed for automated arc welding of carbon steel and stainless steel structural components, including machine frames, equipment brackets, and hardware connectors. With a 1.8 m working radius, flexible installation options, and welding-specific integration features, it is suitable for small- and medium-sized welding stations.
Welding Applications
Machine Frame Welding
Arc welding robots can automate repetitive welding operations for machine frames, helping maintain consistent robot movement and positioning across repeated production cycles while reducing variation between manually welded components.
Equipment Bracket Welding
For equipment brackets and similar fabricated components, robotic welding provides repeatable torch movement and stable positioning, making it suitable for production environments where consistent weld quality is required across multiple workpieces.
Hardware Connector Welding
The robot can support automated welding of hardware connectors and other relatively compact metal components, particularly where repetitive welding paths make robotic automation practical for improving production consistency.
Carbon Steel Structural Component Welding
CRP Arc Welding Robot is suitable for automated arc welding of carbon steel structural components, providing controlled multi-axis movement for repetitive welding operations in fabricated metal production.
Stainless Steel Structural Component Welding
For stainless steel structural components, the robot provides repeatable welding movement and flexible torch integration to support automated welding processes where consistent positioning is important.
Small- & Medium-Sized Welding Stations
With a 1,720 mm maximum reaching distance and floor, upside-down, or wall mounting options, the robot can be integrated into different small- and medium-sized welding stations according to available workspace and production requirements.
Advantages of CRP Arc Welding Robot
The CRP Arc Welding Robot combines flexible installation, precise multi-axis movement, safety protection, stable power management, and welding-specific integration features to support reliable automated arc welding.
Flexible Installation & 1.8 m Working Radius
With a maximum reaching distance of 1,720 mm and support for floor, upside-down, and wall mounting, the robot provides flexible positioning options for different workstation layouts and helps manufacturers make better use of available production space.
01
High-Speed & High-Precision Welding Movement
The 6-axis structure provides a large working range for multi-directional welding, while high-speed joint movement and ±0.08 mm repeatability support consistent robot positioning during repetitive arc welding operations.
02
Dual-Circuit Emergency Stop System
The robot is equipped with an independent safety emergency stop board, dual-circuit emergency stop design, and safety relay circuit to provide an additional layer of protection during automated welding operations.
03
Stable Power Supply & EMC/EMI Protection
A three-phase transformer and filtering design help reduce the impact of voltage fluctuations, while EMC/EMI protection measures are incorporated to support stable operation in the electrical environment of arc welding applications.
04
Flexible Cable, Gas & Welding Torch Integration
The robot integrates bending-resistant cables, built-in cable routing, dual gas paths, and a 44 mm inner diameter at the sixth-axis center hole to accommodate different welding torch configurations, including water-cooled and bellows-type torches.
05
Technical Parameters
| Model | CRP-RH18-20-W | |
|
Arm form |
Vertical multiple joints |
|
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Degree of freedom |
6 axis |
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| Maximum payload | 20kg | |
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Maximum travel |
J1 |
Ground/upside down mounting-167°~167°, wall mounting-30°~30° |
| J2 | 0°~175° | |
|
J3 |
-80°~150° |
|
| J4 | -190°~190° | |
|
J5 |
-110°~130° |
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| J6 | ±210° | |
|
Maximum speed |
J1 |
159°/S |
| J2 | 159°/S | |
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J3 |
159°/S |
|
| J4 | 280°/S | |
|
J5 |
240°/S |
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| J6 | 520°/S | |
|
Allowable torque |
J4 |
48N.m |
| J5 | 48N.m | |
|
J6 |
28N.m |
|
|
Allowable moment of inertia |
J4 | 1.8kg.m² |
|
J5 |
1.8kg.m² |
|
| J6 | 0.8kg.m² | |
|
Repeated positioning accuracy |
±0.08mm |
|
| Maximum reaching distance | 1720mm | |
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Robot body weight |
285kg |
|
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Installation mode Ground, upside down mounting, wall mounting |
||
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Body interface |
Reserved IO |
16Pin |
| Reserved gas | 2*φ8mm | |
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Installation environment |
Ambient temperature |
0~45℃ |
|
Relative humidity |
20%~80%RH(no condensation) |
|
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Vibration |
Under 0.5G |
|
|
Others |
Robot installation must be away from: flammable or corrosive liquids or gases, electrical sources of interference |
|
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IP level |
Body IP54, Wrist IP67 |
|
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Advantage features |
Compact structure, high speed, high precision, high expansibility and easy operation |
|
|
Application |
Welding |
|
| Electric cabinet configuration | G4 | |
Diagram
Reliable Structure & Safety Design
CRP Arc Welding Robot combines dedicated safety protection with organized cable and gas routing and flexible welding torch integration, while its mounting interfaces and motion range support practical installation across different welding workstation layouts.
Safety System
• Independent safety emergency stop board
• Double-circuit emergency stop design
• Safety relay circuit for reliable operation
Cable & Gas Management
• Bending-resistant welding cable
• Built-in flexible cable routing
• Dual-circuit gas pipe design
Welding Torch Integration
• 44 mm inner diameter at the 6-axis center hole
• Support for water-cooled welding torch
• Support for bellows-type welding torch
Installation Interface Diagram


Motion Range Diagram


Complete Arc Welding Automation Integration Solutions for Different Production Requirements
CRP combines robotic welding equipment, peripheral integration, and application-specific configuration to help manufacturers build arc welding workstations that fit their production processes and automation requirements.
Robot & Welding Equipment Integration
The arc welding robot can be integrated with related welding equipment and torch systems to create a coordinated welding workstation, with configuration determined by the customer's welding process and production requirements.
Positioner & Peripheral Equipment Matching
Positioners and other peripheral equipment can be matched with the robot to coordinate workpiece positioning and robot movement, supporting more flexible access to welding areas within an automated workstation.
Welding Workstation Integration
CRP can configure the robot, welding equipment, positioner, and related components as an integrated workstation rather than treating the robot as an isolated piece of equipment, helping customers establish a more practical automated welding setup.
Production Line Integration
For customers moving beyond a standalone welding station, the robotic system can be configured to connect with existing or planned production processes, allowing the welding operation to become part of a broader industrial automation workflow.
Customized Arc Welding Robot Solutions
CRP provides customized arc welding robot configurations based on customers' workpieces, welding processes, workstation layouts, and production requirements to support practical integration into different manufacturing environments.
Robot Configuration
Robot configuration can be adapted to the application requirements, with factors such as payload, working range, installation method, and workstation layout considered when selecting the appropriate robotic solution.
Welding Equipment Integration
The robot can be configured with suitable welding equipment, torch systems, and related components according to the required welding process, helping ensure compatibility between the robot and the surrounding welding setup.
Installation & Workstation Configuration
Different floor, wall, or upside-down installation options allow the robot to be arranged according to available production space, while workstation configuration can be adjusted to accommodate the workpiece and required welding positions.
OEM & Project-Based Customization
For distributors, system integrators, and manufacturers with specific project requirements, CRP supports customized robotic solutions based on application conditions and equipment integration needs rather than limiting customers to a single standard configuration.
Explore Your Tailored Solutions
Reliable Manufacturing & Quality Assurance Behind Every Arc Welding Robot
CRP combines industrial robot R&D, integrated manufacturing, and process-based quality control to support consistent product performance and reliable delivery for customers and partners.
R&D Capability
With more than 40% of employees engaged in R&D, 15% of revenue invested in research and development, and 400+ authorized intellectual properties, including 50+ invention patents, CRP continues to develop core technologies for industrial robotics and automation.
Integrated Manufacturing Capability
CRP operates an integrated manufacturing base covering core component production, robot assembly, painting, cable installation, and performance testing, giving the company greater control over production processes and product quality.
Comprehensive Quality Control
Professional quality teams carry out inspections from incoming materials through production and final testing, helping verify robot performance and maintain consistent manufacturing quality before products are delivered to customers.
Request for Your Welding Projects
Why Global Partners Choose CRP for Arc Welding Robot Solutions
CRP combines a broad industrial robot portfolio, established manufacturing capabilities, technical support, and long-term after-sales services to support distributors and manufacturers seeking a reliable partner for robotic welding automation.
Complete Industrial Robot Product Portfolio
CRP offers a comprehensive industrial robot portfolio covering welding, handling, collaborative applications, axis positioners, and complete robot systems, giving distributors and industrial partners access to multiple automation products from one established supplier.
The product range includes:
• Welding Robots
• Handling Robots
• Collaborative Robots
• Axis Positioners
• Robot Systems
This broad portfolio allows partners to expand their automation product offering while working with one supplier across different application requirements.
Stable Production Capacity & Supply Support
CRP operates its own manufacturing base and has established integrated production capabilities for industrial robots, supporting consistent manufacturing, quality control, and product supply for customers and partners in different markets.
Key capabilities include:
• Own manufacturing base
• Annual production capacity of 30,000 sets
• Products exported to more than 20 countries and regions
These capabilities provide a stable foundation for distributors and customers that require dependable product availability and long-term supply cooperation.
Professional Technical Support & Training
CRP supports customers and partners with technical training, application guidance, maintenance support, and spare parts services throughout the use of its robotic systems.
Support includes:
• Technical training
• Application guidance
• Maintenance support
• Spare parts supply
With a dedicated welding technology training system and professional instructors, CRP helps customers and partners build the knowledge needed for effective equipment operation and application.
Long-Term After-Sales Service
CRP provides lifecycle support beyond initial delivery, with defined warranty, repair, and replacement policies designed to help customers maintain their robotic equipment over the long term.
Service coverage includes:
• 2-year warranty for the robot body
• Repair service for discontinued products for up to 5 years
• Replacement support for up to 10 years
This long-term service approach gives distributors and end users greater confidence in equipment maintenance, spare parts availability, and continued technical support.
Frequently Asked Questions About Arc Welding Robot
Q: What Types of Welding Jobs Are a Good Fit for Arc Welding Automation?
A: Arc welding automation is particularly suitable for repetitive welding jobs with consistent workpiece positioning, defined welding paths, and sufficient production volume to benefit from repeatable robotic operation.
Q: What Factors Should Buyers Consider When Selecting an Arc Welding Robot?
A: Buyers should evaluate payload, working range, repeatability, workpiece dimensions, welding process, torch configuration, and workstation layout to ensure the robot matches the actual application.
Q: How Does Robotic Arc Welding Affect Welding Consistency?
A: By maintaining repeatable robot movement and torch positioning along programmed welding paths, robotic arc welding helps reduce variation between repeated welding operations.
Q: What Information Should Buyers Provide for an Arc Welding Robot Project?
A: Buyers should provide workpiece drawings or dimensions, material type, welding requirements, production volume, existing equipment, and available installation space so the robotic welding solution can be evaluated accurately.
Q: What Is the Typical Process for Developing a Robotic Welding Solution?
A: A typical project progresses from application assessment and robot configuration to system integration, testing, delivery, and technical support based on the customer's production requirements.
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