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  • Writer's pictureRio Gutierrez

The Top Tips and Tricks for CNC Plasma Cutting



Metal Fabrication

Hey there, fellow fabricators! We all know the thrill of watching a CNC plasma cutter slice through metal like butter. There's something uniquely satisfying about it, isn't there? But as seasoned pros in the field, we also know that mastering one takes more than just knowing where the 'on' button is.


I'm Rio, your friendly guide from FastCut CNC, here to share some insider tips and tricks to help you get the most out of your CNC plasma-cutting machine. Buckle up, folks, because we're about to turn your plasma-cutting game up a notch!


Choose the Right Consumables


Think of your CNC plasma cutting table like a top-tier athlete. It's capable of incredible feats, but to perform at its best, it needs the right fuel. In this case, that fuel is consumables, or the parts that wear out with use, like the electrode, nozzle, and shield.


Investing in high-quality ones is like buying the best running shoes for a marathon runner. Sure, they could run in old, worn-out sneakers, but their performance would suffer.


The same principle applies to your plasma cutter. High-quality consumables ensure cleaner cuts, longer consumable life, and even fewer interruptions for changeovers. Remember, these aren't just an expense–they're an investment in your machine's performance and longevity.


Keep an Eye on Air Quality


Plasma Cutting Techniques

Imagine trying to see through a dusty windshield. Not so ideal, right? The same goes for your cutter. Clean, dry air is a MUST for its operation. Moisture, oil, or other contaminants in your air supply can in fact cause premature consumable wear, erratic cutting performance, and even machine damage.


Regularly check both your air supply and filtration system. Investing in a good air dryer can also help remove moisture, especially in humid climates.


Mind the Cutting Speed


Finding the right cutting speed is like finding your perfect dance tempo. Too slow, and you'll end up with a rough, dross-covered edge. Too fast, and your cuts won't even penetrate all the way through. But when you hit that sweet spot–ahh–everything falls into place!


It will depend on several factors, including material thickness, type, and the amperage of your plasma cutter. Start with the manufacturer's recommendations, and don't be afraid to experiment.


Check Your Torch Height


This is like the distance between a painter's brush and canvas. Too high–the paint won't apply properly. Too low–you risk damaging either the brush or canvas. When it comes to your CNC plasma cutter, its torch height affects the cut angle and consumable life.


If the torch is too high, the plasma arc will then stretch, causing beveled or even angular cuts. If it's too low, you risk torch collisions with the workpiece or even piercing lag!


So pro tip, get yourself an automated torch height control system as it can help maintain the optimal height, giving you one less thing to worry about.


Regular Maintenance is Key


This includes cleaning your machine regularly, inspecting for any signs of wear and tear, and as well as scheduling routine maintenance too. Think of it as a spa day for your cutter. A well-maintained machine isn't just a happy machine–it's a productive one!


Invest in Training


CNC plasma cutting isn't just a 'process'--it's a skill. And like any skill, it can be honed and improved. Regular training can help you and your team stay up-to-date with the latest techniques, safety measures, and as well as industry trends.


Say it's learning how to optimize cut quality, increase productivity, or maybe reduce operating costs, ongoing education is indeed a powerful tool.


Choose the Right CNC Plasma Cutting Table


Plasma Cutting Table

Just like a seasoned chef selects the perfect knife for each task, choosing the right one for your specific needs can make all the difference–and that's where we come in.


We offer top-tier tables, like our Icon Elite and G8 Fabricator. A small business owner or even running a large-scale operation, cutting intricate designs, or maybe tackling heavy-duty industrial tasks, we've got you!

And don't just take our word for it, though. Try one of our machines and experience the FastCut CNC difference for yourself!


You’ve got questions? We’ve got answers!


Call Us or Drop Us A Line. We'd love to chat about how our tables can revolutionize your business.


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