To improve the CNC plasma quality, cut properly, refer to cut charts, use good consumables, level your table to a workpiece, use high-quality air, and tune up your table.

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Tips to Improve CNC Plasma Quality
Achieving better quality is the ultimate goal of plasma
technology.
For this, you can always ask the customer support team for
guidance or replace the parts with Mazak used parts. However,
with proper information and some cool tips, you can improve
your plasma cutting quality on your own.
Keep reading to learn more!
1. Cut in the Right Direction
Make sure that you cut properly. While using standard
consumables, the plasma arc spins in the clockwise direction as
the torch moves forward to cut. The squarest angles are on the
right side, and thus, contour shapes are cut in a clockwise
direction. It is opposite with internal features. There, the torch
needs to travel anti-clockwise. So, adjust the current direction if
needed.
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2. Refer to the Cut Charts
Check out the cut charts in your system manual and select the
appropriate cutting process for your application. Select the
process depending on your material type, thickness, desired cut
quality, precision, and productivity goals. Based on these
details, the cut chart would show the appropriate consumables,
amperage, cut and pierce height, shield gases, etc. The arc
voltage measurement, cutting speed, torch to work distance are
other parameters listed in the chart.
3. Use Good Consumables
See if your consumables are worn or damaged. They are
essential for precision, and any damage could affect the quality
and system performance. Therefore, do a visual check and
replace it when needed. Use branded alternatives like
Mitsubishi spare parts, or Mazak used parts. Always lubricate
o-rings while replacing consumables. Don’t over lubricate, as it
may affect the system performance.
Also, make sure that you choose right consumables.
Double-check the part numbers on your consumables with the
numbers in the manual.
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4. Level your Table and Workpiece
Always level your torch to the workpiece before you start
squaring. Because if the metal is bent or wrapped, it would be
impossible to square the torch with the workpiece. Or, in the
worst case, you may have to accept the poor cut quality.
5. Hold Right Torch to Work Distance
Ensure that your torch is not close or far away from work, or it
would cause rounded cut edges. On top of that, if the torch is
too close, the metal splatter would cause severe damage to the
torch and nozzle. So, refer to the distance in the manual and
adjust accordingly. If your parts are old, adjust them manually
as the distance may vary.
6. Cut at the Right Speed
If the cut speed is low, it may result in broader kerf, dross, and
warpage on thin materials. Often, the low-speed dross is
collected at the bottom of the cut edge and is easy to remove
and flake off. In contrast, high-speed dross causes a thinner
bead of molten metal to collect at the bottom of the cut. It is
harder to remove and requires grinding. However, you can
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eliminate it by reducing the cut speed to allow arc time to catch
up with the arc torch.
7. Use Clean and Dry Air
If you’re using air plasma, make sure it’s clean and dry. The
same applies to oxygen or multi-gas systems. Use pure and
high-quality gases. Make sure that the regulators and gas lines
are of appropriate size. Purge-it manually if required. Also,
confirm that the purging cycle is completed. Lastly, see if there
are any leakages. In case of emergency, contact your gas
distributor and get it resolved immediately.
8. Tune-up your Table
Is the speed of table cutting appropriate? Is the torch secured
tightly to the gantry? Is the table vibrating?
Check all these as often the plasma cutting problem is not with
plasma cutters but the poor motion or table issues. So, tune up
your table before proceeding with the cut.
Most importantly, keep implementing these tips. Share your
experience with us. If you have any problem with your system
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or consumables, contact your manufacturer or supplier
immediately.
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prove-cnc-plasma-quality-1806295.html
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