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The patent-pending CopperPlus electrode delivers at least 2 times longer consumable life over standard consumables and is designed exclusively for use with Duramax torches, when cutting metal 1/2” (12mm) and under. Double the life means double the parts. Reduce your operating costs and cut more parts with fewer changeovers.
Questions buyers ask when choosing, fitting and looking after replacement consumables for this style of plasma cutting torch.
A typical plasma torch consumable stack has an electrode, a nozzle, a swirl ring, a retaining cap and usually a shield. The electrode carries the current and wears with every arc start. The nozzle shapes and constricts the arc. The swirl ring spins the gas around the electrode, and the retaining cap holds the parts together.The shield protects and cools the other parts, especially the nozzle, from molten spatter. Some torches combine several of these parts into a single cartridge, so check your torch manual for the exact layout.
Electrodes have a small insert at the tip that wears into a pit as you cut. Some pitting is normal, but once it reaches the maker's limit the arc can damage the copper body and the torch can be harmed quickly. Some makers set the limit by cutting current, so use the figure in your manual. Replace the nozzle at the same time as the electrode.Other warning signs are a wandering or unstable arc, hard starting, and needing to slow down to get through the metal.
Usually yes. The nozzle and electrode wear together and an old part can spoil the life and cut quality of a new one, so makers generally recommend changing them as a set.A nozzle should be replaced when the orifice is nicked, out of round or has rounded edges, or when the cut becomes angled, rough or covered in dross. Look at the orifice in good light. If the hole is no longer a clean circle, replace it rather than trying to clean it up.
A shield sits at the front of the torch and protects the nozzle from molten spatter and double arcing. On hand torches, a shield also lets you rest the torch on the plate and drag it along the cut, which keeps the standoff consistent.Unshielded parts need a controlled standoff and may give slower speeds, more dross and shorter nozzle life. On machine torches that sense the plate surface by electrical contact, a special conductive shield and retaining cap are usually needed, so check the maker's chart before ordering.