
For professional welders and fabricators requiring maximum efficiency in metal removal, the Arcair 47-123-000 3/4" x 12" DC Copperclad Pointed Gouging Electrodes stand as the industry benchmark. Air Carbon Arc Gouging (CAC-A) is a process that relies heavily on the quality of the electrode to maintain a stable arc and produce clean, uniform grooves. Arcair, the pioneer of this process, manufactures these rods to exacting standards, ensuring that every electrode performs consistently under the intense heat and current of heavy-duty gouging.
The 3/4-inch diameter places this electrode in the heavy-duty category, requiring substantial amperage (typically in the range of 800 to 1200 amps) and high-capacity torches. This size is perfect for foundry work, such as washing pads and removing risers, as well as for heavy structural repairs where large volumes of weld metal or base material must be excised rapidly. The pointed tip design facilitates easy arc starting, allowing the operator to establish the puddle immediately and begin the gouging action without delay.
The performance of the 47-123-000 rod is enhanced by its high-purity copper coating. This coating serves multiple critical functions: it maximizes electrical conductivity, minimizes resistance heating within the rod itself, and helps maintain the rod's structural integrity during the gouging process. The result is a stable, focused arc that melts the base metal efficiently while the air stream clears the molten material. This leads to cleaner grooves with less slag residue, reducing the amount of secondary grinding or cleanup required before subsequent welding.
These electrodes are designed for use with Direct Current Electrode Positive (DCEP) polarity. This configuration concentrates the heat at the workpiece, ensuring rapid melting, while the carbon electrode withstands the current load. The blend of carbon and graphite is formulated to resist thermal shock and breakage, a common issue with inferior gouging rods. When used with appropriate power sources and air supply, Arcair 3/4" rods offer superior metal removal rates per inch of rod consumed, making them a cost-effective choice for high-volume operations.
| Additional Information |
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| Brand:Arcair |
| Diameter:3/4" |
| Length:12 in |
| Item:Rod |
| Process:Carbon Arc Gouging (CAC) |
| Packaging Description:pack of 1 |
| Rod Type:DC Copperclad Pointed |
| Material:Copper-Coated Carbon/Graphite |
| Polarity:DCEP |
| Amperage Range:800 - 1200 Amps |
| Application:Heavy Duty Metal Removal, Foundry Applications, Weld Preparation |