Plasma cutters are fantastically effective tools which offer fast and clean cuts.
Plasma cutters require three key things: a power supply, a torch, and a gas delivery system. An electrical arc is generated, which ionises the gas as it is passed through the torch. This creates plasma which is directed at the metal to cut it.
Factors affecting plasma cutter longevity
There are several factors that will affect the lifespan of your plasma cutter.
Coolant flow/level
There needs to be sufficient coolant levels and flow to keep electrodes from overheating and prevent them from being ruined.
Gas flow
Cool gas flows through the nozzle of the machine to prevent it from melting. Therefore, if the gas flow is too low or weak, the nozzle can fail or melt.
Pierce height
If the piercing height is too low, it can cause damage to the plate. This can cause misfiring which reduces electrode life and ultimately machine life.
Quality of gas and/or water
The nozzle and nozzle orifice can be damaged if there are any contaminants or unwanted deposits in the gas or water being used. This is due to it affecting the output pressure. This can negatively impact cutting performance, and also reduce the machine lifespan.
Plasma spray experts
Thermal plasma spray is one of several popular surface treatment methods. If you feel that your business could benefit from surface treatments, there are a number of specialists, such as https://www.poeton.co.uk/surface-treatments/thermal-metal-sprays/plasma-coatings/, who can offer a variety of options.
Steps to extend lifespan
To help you get the most out of your plasma cutter, you should:
- Regularly check the gas pressure and flow and don’t increase it too much at a time.
- Ensure the pierce height is set correctly.
- Clean components regularly to remove impurities, contaminants, and dust.
- Ensure the electrical connection is suitable and reliable so that the arc transfer is strong.
- Use a proper coolant flow and change the filters when needed.
- Avoid lead-out at the end of the cut.
