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Consumable sets for a 45 amp air plasma system: cutting, fine cutting, gouging and marking.
Fine-cut consumables are made for intricate, small-feature shapes in thin sheet, where you want a narrower kerf, squarer edges and tighter tolerances. They give a stiffer, narrower arc than standard consumables.They suit thinner mild and stainless steel at modest current; the system's cut chart sets the limits. They come in hand and machine versions. For thicker plate or fast general cutting, standard consumables are usually the better choice. Change settings between sheets if you need to, since steel can vary from batch to batch.
An ohmic cap or shield has a contact that lets a machine's height control sense the plate by electrical contact, so the torch finds the surface and sets a correct pierce height automatically. It is only used with mechanised cutting where the table supports that function.A hand torch normally does not need it. Fitting the wrong cap can leave the height sensing unreliable or not working, so match the cap to your torch and your cutting table's controls, and confirm against the manual.
Both are gouging consumable styles. A heavy-removal (aggressive) style is meant for rapid metal removal, deep gouge profiles and heavy washing of metal. A controlled (precise) style is meant for more careful removal, with a shallower profile and light washing.If you are new to gouging, or removing a weld or small defects, the controlled style is the usual starting point. Choose the heavy-removal style for heavy removal such as cutting out thick welds. Always check the style is intended for your torch and current range, and follow the maker's manual.
Precision gouging consumables remove small amounts of metal or weld at very low output current. They suit tidy work such as removing a tack, a small defect or a thin weld without cutting into the surrounding plate.Because they run at low current, they are slow for heavy work, so use the higher-current gouging styles for that. Always match the nozzle and shield as a pair for the job and follow the manual for the current range.