The carbon arc gouging torch enables air carbon arc cutting for gouging, cutting, beveling, piercing, and flushing metal. This economical process removes large amounts of metal quickly while causing virtually no chemical change to the base metal, making it suitable for most metals in weld repair and general metal removal applications.
Industrial applications include heavy metal removal for weld preparations in structural steel fabrication, marine and offshore structures, pressure vessels, and hard facing. The torch is used for creating U-grooves, removing old welds, gouging out cracks, and cleaning and repairing castings.
The torch operates by striking an arc between a carbon electrode and the workpiece. Compressed air directed at the arc blows away molten metal, creating a groove or cut. Design features include a natural 15-degree angle for operator comfort and optional swivel cable assembly to reduce strain. Air-cooled construction supports heavy-duty, medium-duty, or extra-heavy-duty service classes. Operating requirements specify 80 to 100 Pounds per Square Inch (PSI) pressure with 22 to 35 Cubic Feet per Minutes (CFM) flow rates from standard shop air.
Models are rated at 600, 800, 1000, or 1250 amps, determining compatible electrode diameters. Electrodes combine carbon and graphite, often copper-coated, available in round, flat, hollow, and pointed configurations from 5/32 inch to 5/8 inch or larger diameter.
Premier Manufacturer of the Carbon Arc Gouging Torch
RAX Industrial has been a leader in welding and cutting innovation, founded in 1999 with over 20 years of focused expertise. Our Carbon Arc Gouging Torch represents the industry standard in manual gouging, a design so effective it has become the most copied in the world.
This leadership stems from our integrated R&D and manufacturing hub, where a team of over 50 dedicated engineers focuses on user-centric design. The torch’s ergonomic efficiency, including its optimized angle and lighter weight, is a direct result of this commitment, minimizing operator fatigue during extended use.
Our advanced 18,000 m² production facility utilizes high-precision automation to manufacture over 270,000 welding and cutting torch sets annually. Backed by ISO 9001 certification and comprehensive international support, every RAX Industrial Carbon Arc Gouging Torch delivers the reliability and performance that industrial professionals demand. Contact us to learn how our gouging solutions can enhance your metalworking operations.
| Parameter | Specification |
|---|---|
| General Process | Air Carbon Arc Cutting (AAC) |
| Primary Applications | Gouging, cutting, beveling, piercing, and flushing metal; heavy metal removal for weld preparation, U-groove creation, crack removal, casting repair. |
| Process Characteristics | Economical, primarily physical process resulting in virtually nil chemical change to the base metal. Efficient for rapid metal removal. |
| Compatible Materials | Most metals. |
| Torch Design & Ergonomics | Natural 15-degree torch angle for operator comfort. Available with swivel cable assembly to reduce user strain. Air-cooled construction. |
| Service Class | Available in Medium-Duty, Heavy-Duty, and Extra-Heavy-Duty variants based on rated capacity. |
| Key Features | Four-hole head assembly (optimizes airflow), insulated connection boot for hook-up, air-assist positive air shut-off, durable outer cable cover. |
| Amperage Rating (Rated Capacity) | Models available at 600, 800, 1000, and 1250 Amps. |
| Air Requirement – Pressure | 80 to 100 PSI (Ordinary compressed air from shop airline/compressor). |
| Air Requirement – Flow Rate | 22 to 35 CFM (dependent on torch model). |
| Compressor Requirement (Typical) | Intermittent: 5 HP (3.73 kW); Continuous: 7.5 HP (5.60 kW). |
| Electrode Compatibility (Diameter Range) | Accepts electrodes from 5/32 inch (4.0 mm) to 5/8 inch (16 mm) or larger, depending on model. |
| Electrode Types | Round, flat, hollow, and pointed configurations. Typically a copper-coated blend of carbon and graphite. |
| Typical Cable Length | Available in common lengths such as 7 ft (2.1 m) and 10 ft (3 m). |
| Warranty | Manufacturer’s Limited Warranty. |
Frequently Asked Questions
What is a carbon arc gouging torch and what is it used for?
A carbon arc gouging torch is a specialized metalworking tool that removes metal by melting it with an electric arc and then blowing away the molten material with a high-velocity stream of compressed air. This economical process is suitable for various grades of steel and other metals, and because it's primarily a physical process with virtually no chemical change to the workpiece, it's ideal for subsequent welding.
Common applications include:
- Preparing joints and removing old welds for new welding
- Cutting through metal for rough cuts or demolition
- Cleaning surfaces by removing rust, scale, paint, or coatings
- Gouging out defects, cracks, or holes for repair
- Keyhole cutting, chamfering, beveling, and surface resurfacing
- Cleaning castings and heavy metal removal tasks
Key industries include metal fabrication, structural steel work, shipbuilding, marine applications, construction, pressure vessels, welding shops, and industrial maintenance/repair.
What are the essential features of a professional-grade gouging torch?
Engineering best practices identify these critical specifications:
- Ergonomic & Balanced Design: Comfortable grip and lightweight construction reduce operator fatigue during extended use
- Robust Construction: Must withstand high temperatures and harsh industrial environments for reliable performance
- Precision Control: Instant on/off trigger switch for quick arc adjustment and precise control over the gouging path
- Versatile Nozzle: Turnable air nozzle accommodating both round (5/32 to 1/2 diameter) and flat (up to 5/8 ) carbon electrodes
- Quality Components: High-flex cables, swivel joints, and heat-resistant handles for longevity and ease of use
- Adequate Power Rating: 800-amp capacity requiring a compatible DC welding power source
What are the air supply requirements?
The torch requires ordinary compressed air supplied by a shop airline or compressor. Most applications require 80 to 100 PSI (5.6 Kg/cm²) with a flow rate of approximately 35 CFM (0.076 CMM). A compressor with 5 HP intermittent or 7.5 HP continuous is suitable to handle this demand. Standard industrial connections like a 3/8 -18 NPT fitting are typically used for the air supply.
How do I select the correct carbon electrode?
The process uses consumable carbon or graphite electrodes. Selection is based on the job's amperage and desired cut depth. Electrode diameter directly correlates to required current:
- 1/4 electrode: 300-400A applications
- 1/2 electrode: 800-1000A applications
Standard options include pointed electrodes for general gouging and jointed electrodes, which can be connected end-to-end for longer use without stopping. Always follow the minimum and maximum electrode current requirements for specific sizes to ensure efficient metal removal and arc stability.
What warranty coverage is provided?
RAX Industrial provides a 1-year limited warranty on this carbon arc gouging torch, protecting your investment against defects in materials and workmanship while ensuring long-term supply stability.