430-220936 - Hypertherm 220936 FineCut Shield for Powermax 65/85/105

Technical Overview of the Hypertherm 220936

The Hypertherm 220936 is a specialized Shield Cap designed specifically for the FineCut process within the Hypertherm Powermax family of plasma cutting systems. Engineered for use with Duramax hand and machine torches, this component is integral to the system's ability to deliver high-quality cuts on thin-gauge metals (typically 10 gauge and thinner). It functions by directing the flow of the secondary gas (shield gas) around the plasma arc, effectively constricting the arc column to increase energy density and precision.

Compatibility is broad across the Powermax range, fitting the Powermax 65, 85, 105, and 125 systems when equipped with Duramax torches. The 220936 shield is distinct from standard drag shields or mechanized shields due to its orifice geometry, which is optimized for the lower amperage ranges (30A–45A) typical of FineCut applications. Proper installation ensures electrical isolation of the nozzle from the workpiece while maintaining the correct standoff distance in drag-cutting scenarios or mechanized height control setups.

Utilizing genuine Hypertherm consumables like the 220936 ensures that the patented technologies inherent in the Powermax systems—such as Conical Flow and Spring Start—operate as intended. This shield works in conjunction with the FineCut nozzle (220930) and specific swirl rings to stabilize the gas vortex, minimizing arc wander and ensuring consistent cut angularity. For industrial MRO environments, maintaining a stock of these shields is vital for operations involving HVAC fabrication, enclosure manufacturing, or automotive bodywork where thin metal precision is paramount.