Free to use. Get accurate CNC plasma cutting settings instantly—built from real-world fabrication data.

Close-up of a CNC plasma cutter cutting a steel plate with bright sparks flying during industrial metal fabrication.

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PWS ENGINEERING TOOLS

CNC Plasma Cutting Settings App

Version 2.0.0 · October 2026

Find a documented cutting reference, or enter your machine’s proven chart settings. See amperage, travel speed, cutting height, pierce height, delay and arc voltage in one clear setup sheet.

1. Material and thickness

Material Units Switching units converts entered lengths and speeds. Enter 1/4 in as 0.25. Material thickness Settings source Reference is for the listed torch and consumables. It is not a universal recipe for other cutters.

2. Start method

Cut start Edge start avoids piercing solid plate. Confirm the machine’s actual pierce capability.

My chart values — optional

Select “My machine” to use these values. Enter what you know; blank fields are shown as “Not supplied”. No reference values are silently mixed into your chart.

Machine / torch / consumables reference

Test-cut calibration — optional

Travel-speed multiplier (%) 100% retains the chart speed. 90% reduces travel speed by 10%. Chart arc voltage is not recalculated. Total cut length Arc-on travel time only; excludes piercing, rapid movement, setup and handling.

Job / test reference

Your cutting parameters

Select a reference or enter your chart, then calculate.

Prepare, test and refine

Fit the correct torch consumables and connect the work lead.
Confirm clean, dry gas and the required supply pressure while gas is flowing.
Verify initial height sensing, pierce height and physical cut height.
Test on matching scrap; inspect dross, bevel, kerf and hole quality.
Record the proven settings. Recheck THC voltage after speed or consumable changes.

Aluminum on a water table can create a hydrogen hazard. Follow the manufacturer’s prevention procedure. Provide appropriate fume extraction, especially for stainless or coated material.

Quickly determine the recommended cutting settings for mild steel, aluminum, and stainless steel using real-world values and professional insight.

PWS CNC Plasma Cutting Settings App — Disclaimer

This app provides recommended CNC plasma cutting settings for reference purposes only. Actual results depend on machine condition, calibration, consumables, material quality, and operator skill.

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