Spot welding guns are integral-transformer portable devices for resistance welding that join metal components through heat and pressure. These tools excel in automated production lines across industrial sectors, particularly in premium automobile manufacturing where quality, productivity, and reliability are critical. They integrate into robotic systems and can be customized to meet customer-specific standards and production requirements.
Material-specific variants address the multi-material mix challenge, with specialized guns engineered for aluminum, high-strength steels, and other advanced materials. These supply high welding currents with required cooling systems to facilitate fast, process-reliable welds. Design follows a modular system enabling cost-effective configuration, with many models featuring low-impact construction to decrease shock and vibration. Lightweight aluminum alloys and compact forms with integrated transformers enhance maneuverability in tight spaces while reducing operator fatigue.
Product configurations include C-type and X-type (scissor-type) models, with portable, servo, and robot gun options. Transformer ratings range from 15 Kilowatt Volt-Ampere (KVA) to 137 KVA or more, with various arm lengths and throat depths. Force capabilities span approximately 1.3 Kilonewton (kN) to 8 kN in both Alternating Current (AC) and Medium Frequency Direct Current (MFDC) versions.
Controllers enhance functionality through servo-controllers, combination systems integrating welding with adaptive control, and microprocessor-based programs for precision. Drive technology includes pneumatic cylinders, servomotors, and magneticDRIVE systems using microprocessor-controlled electromagnets for variable force profiles, enabling optimal force setting and consistent performance on challenging materials.
RAX Industrial: Premier Spot Welding Gun Manufacturer
We are a leading manufacturer of resistance welding equipment, with deep expertise in crafting high-performance spot welding guns. Every spot welding gun we develop is unique: specifically adapted to the demands of your production challenges and manufactured by us at the highest level of quality. Founded in 1999 with over 20 years of focused engineering, our 50+ R&D specialists and advanced automation have established us as an integrated innovation hub. Our values-driven approach, rooted in principles of service and expertise, ensures each RAX Industrial spot welding gun delivers the reliability and productivity your application demands, particularly for automotive and precision sheet metal industries.
Our 18,000 m² manufacturing facility and rigorous quality systems, including ISO 9001 certification, directly translate to the durability and precision of every spot welding gun we produce. We support this with comprehensive OEM/ODM customization, ensuring your gun is perfectly matched to your needs. Contact us today to learn more about our products and how we can meet your specific welding needs.
| Parameter Category | Specification | Details / Range |
|---|---|---|
| General Specifications | ||
| Product Type | Portable / Robotic Spot Welding Gun | Integral-transformer portable device for resistance welding. |
| Primary Application | Industrial High Production | Automated production lines, premium automobile manufacturing. |
| Gun Type | C-Type, X-Type (Scissor-Type) | Available in various configurations. |
| Design Principle | Modular, Low-Impact / Non-Shock | Reduces equipment wear, maximizes uptime, lightweight construction (e.g., aluminum alloys). |
| Transformer & Electrical | ||
| Transformer Rating (AC/MFDC) | 15 kVA to 137 kVA | Integral transformer. Available in AC and MFDC (Medium Frequency Direct Current) versions. |
| Secondary Short Circuit Current | Up to 50 kA | Varies by model and transformer rating. |
| Power Type | AC, MFDC | |
| Controller Type | Microprocessor-Based / Servo-Controller | Intelligent controllers with adaptive control, pre-set programs for current, pressure, and duration. |
| Mechanical & Dimensions | ||
| Electrode Force | 1.3 kN to 8.0 kN | Capability varies by model and drive system. |
| Drive System | Pneumatic, Servomotor, MagneticDRIVE | Options for applying electrode force. MagneticDRIVE offers variable force and fast force profiles. |
| Throat Depth / Arm Length | Various Configurations Available | Standard and custom lengths to suit application needs. |
| Cooling System | Water-Cooled | Prevents overheating for consistent operation. |
| Weight | Approx. 71 kg to 144 kg | Varies significantly by model, type, and capacity. Lightweight compact designs available. |
| Features & Controller | ||
| Maneuverability | Rotating Rod / Gyro-Suspension | Allows 360-degree rotation to reduce operator fatigue. |
| Actuation | Servo-Controlled | For optimal force setting, reduced squeeze time, and consistent weld quality. |
| Material Specialization | Aluminum & High-Strength Steel | Specialized guns supply high currents with required cooling for process-reliable welds. |
| Standardization | Interchangeable Components | Facilitates easy servicing, maintenance, and reduces spare part inventory. |
Frequently Asked Questions
What types of spot welding gun models do you offer?
RAX Industrial offers a range of spot welding guns including C-type and Scissor-type (X-type) models. These are available in various arm lengths and configurations to suit different applications, from light duty to heavy duty industrial use. Models are designed for both manual/assisted operation (suspended version with hoist) and automated production lines (integrated version for robotic cells).
What industries and applications are your spot welding guns suitable for?
Our spot welding guns are ideal for industrial high production applications such as automotive manufacturing for auto bodies and cabinets, production line use, and other metal fabrication processes requiring precision and reliability.
What materials can your spot welding guns handle, and what are the key specifications?
The guns are designed to weld a variety of materials including steel, high-strength steels (HSS), and aluminum. Integrated transformers range from 15 KVA to 137 KVA for portable guns, with options for AC and MFDC power supplies. Key specifications include:
- Secondary short circuit currents from 15 kA to 50 kA
- Thermal current up to 8.8 kA for demanding materials like aluminum
- Electrode forces up to 8 kN, depending on the model
- Effective water-cooling systems for safe operation with high-strength materials
How does the design ensure operational efficiency and weld quality?
The equipment is built on a low-impact, non-shock design philosophy that decreases vibration and equipment wear to maximize uptime. Outstanding arm rigidity reduces electrode skidding and misalignment, leading to consistent, high-quality welds. Additional features include:
- Compact and lightweight designs for maneuverability
- Modular components for easy maintenance with standard interchangeable parts
- Ergonomic handling for operator comfort
- Servo controls in select models for precise force application and reduced weld indentations
Is the product compatible with my existing robotic setup or transformers?
Yes, the welding guns can be configured in right or left mirror layouts and are designed to couple with various robot models. They offer great transformer flexibility, allowing compatibility with multiple industry-standard transformer brands through simple adaptation maneuvers.
Can you create a spot welding gun that is fully customized to our specific production line?
Yes, we specialize in providing both standard and custom-designed resistance welding gun solutions. Our engineers work closely with you from development and design through fabrication to ensure the gun fits your application. Solutions range from fully custom designs to modular systems that allow for quick, cost-effective configuration. We can customize arm lengths, throat depths, and configurations (C-type or scissor-type) to fit your precise requirements for quality, productivity, and integration.
What kind of warranty and technical support can we expect after purchase?
We stand behind the quality of our equipment with a comprehensive 12-month warranty. Additionally, we provide dedicated 24/7 technical support to ensure your operations run smoothly and to minimize downtime. Our support includes engineering analysis, troubleshooting assistance, and we can provide remote or on-site service for commissioning and maintenance.
Are your welding guns and manufacturing processes compliant with international quality and safety standards?
Absolutely. Our manufacturing and quality control processes adhere to the highest international standards. Our products are certified to ISO 9001 for quality management systems and carry the CE mark for safety, ensuring they meet stringent European directives. We also comply with RoHS directives. Our in-house quality control laboratory conducts rigorous material and performance testing to guarantee that every spot welding gun delivers consistent quality, productivity, and reliability for industrial use.