Hypertherm 220478 Electrode for Powermax 30/45
May 29, 2025|
View:908The hypertherm 220478 Electrode is a 30A-rated consumable primarily used in Powermax 30 and Powermax 45 torches. It is part of Hypertherm’s high-performance consumable series, engineered to enhance cut quality, reduce downtime, and improve efficiency.
Key Features:
Material: Hypertherm 220478 Made from high-purity copper with hafnium insert, ensuring excellent electrical conductivity and arc stability.
Design: Precision-machined to minimize wear and maximize cutting accuracy.
Compatibility: Hypertherm 220478 Works with Powermax 30, Powermax 30 XP, and Powermax 45 systems (both hand and machine torches).
Role of the Electrode in Plasma Cutting
In plasma cutting, the electrode is responsible for:
Initiating and maintaining the plasma arc by conducting high-voltage current.
Focusing the arc onto the workpiece for clean, precise cuts.
Resisting extreme heat (up to 30,000°F) while maintaining structural integrity.
The hypertherm 220478 Electrode excels in these functions due to its hafnium emitter, which provides superior thermal resistance and longevity compared to generic alternatives.
Compatibility with Powermax 30/45 Systems
The hypertherm 220478 Electrode is designed for shielded and non-shielded configurations in:
Powermax 30 (30A)
Powermax 30 XP (30A, enhanced duty cycle)
Powermax 45 (45A, when used with appropriate nozzles and swirl rings)
For Powermax 45, the 220669 Electrode (45A) is recommended for higher-amperage applications.
Maintenance and Best Practices
To maximize the hypertherm 220478 Electrode’s performance:
Inspect Regularly: Check for wear, pitting, or hafnium depletion.
Replace as a Set: Always pair with matching nozzles and swirl rings (e.g., 220480 nozzle + 220479 swirl ring).
Optimize Gas Flow: Ensure correct air pressure (5.5–6.2 bar) for clean cuts.
Avoid Overheating: Let the torch cool between extended cuts.
The Hypertherm 220478 Electrode is a high-performance consumable essential for Powermax 30/45 users. Its durability, precision, and compatibility make it a superior choice over aftermarket alternatives. By following best practices and using genuine parts, operators can achieve optimal cutting performance and cost efficiency.
