Cutting 16 ga cold roll

[kfuller]

Need help cutting 16 ga cold roll steel Please. Using Hypertherm 30 XP. Help with voltage needed cutting speed and air pressure. Using fine cut parts.

Air is dry but having to do lot of clean up on back side. Need any advice ! Thanks

[tnbndr]

I would start here, find your machine manual and it should have good starting parameters for cutting.

https://www.hypertherm.com/en-US/custom ... egion=NART

[jimcolt]

Since the 30XP is sold as a system designed for hand cutting.....Hypertherm does not provide machine cutting specs as they do with the 45 amp and larger systems. I recommend piercing at about a .15" standoff, then cutting with about a .06" standoff. do a test cut with the torch set at .06"....increase cut speed on subsequent tests until the dross is minimal (heavy dross means you are cutting too slow). When you find the speed that minimizes dross....read the arc voltage while cutting at that speed with the torch at .06" off the material.....that is the correct cut voltage. Keep a chart with cut speed, cut height and arc voltage as you cut different materials and thicknesses...that way you will have developed your own cut charts and will save time and aggravation. Jim Colt