Maximize life

  • Use electrode to full life: A fully used SilverLineĀ® electrode will have a pit depth of 2.5 mm (.100"). 

  • Properly tighten the inner retaining cap: Properly tighten the inner retaining cap: Make sure the inner retaining cap is sealed tightly against the nozzle to maintain a proper seal and prevent leaking.

  • Purge torch and leak check: After each parts change purge the torch for at least 30 seconds to remove residual moisture. Check for leaks.

  • Verify plasma gas flows: Plasma gas flow rate is critical. High flow will cause rapid electrode wear and hard starting. Low flow will cause uncontrolled arcing. (See cutting tables in your owner's manual.)

  • Verify shield gas flows: Correct shield gas flows during pre-flow protect the nozzle and shield cap from damage. Make sure pre-flow is set according to the cutting tables in your owner's manual.

  • Pierce at correct height: On Kaliburn systems, Hypertherm recommends piercing at twice the specified cut height. Piercing too low causes molten metal (spatter) to hit the shield cap and nozzle. This is the most common cause of premature nozzle failure. Piercing too high can cause slow arc transfer and misfires.

  • Adjust arc voltage: As the electrode wears, the torch will get closer to the plate. To maintain optimum cutting height, increase arc voltage in 2-volt increments up to 10 volts higher than the initial setting.

  • Avoid arc stretching: This can occur during rip cutting off the plate or when the lead out is improperly programmed. This shortens consumable life.

  • Clean the nozzle and shield cap: Periodically clean the nozzle and shield cap to remove spatter. This will prevent double arcing which shortens consumable life.