Bevel for 1.2mm Stainless Steel

Hi, I am cutting some 1.2mm(approx 18g) stainless steel signs and the worst edge is 18-20 degree bevel as seen in the photos. Is it normal or you guys can cut 1.2mm stainless steel with better bevel? What degree will you expect with 1.2mm thickness? Thanks.

What plasma unit are you using?

I have cut 1.2 stainless with my Hypertherm Powermax 125 with next to no bevel on the edges. I used the Hypertherm manual cutting specs with a 45amp nozzle.

I use Hypertherm Powermax 45 with finecut. Do you use the regular speed or slow speed in the book? Thanks.

I used the best quality settings in the manual. I have used Finecut consumables with stainless before and used the best quality settings as well.

I would try slowing the speed down and seeing if that helps at all.

Are you using new consumables? Is your air pressure correct and the air clean and dry? Is your machine amperage correct? Is your earth clamp securing to your cutting slats? - make sure it has a good connection.

thefabricator03 wrote:

Are you using new consumables? Is your air pressure correct and the air clean and dry? Is your machine amperage correct? Is your earth clamp securing to your cutting slats? - make sure it has a good connection.

All of the above, plus, check the cut height, both to low and to high will do that,cutting speed to high, torch tilted, worn nozzle or destroyed when piercing.
1.2mm should have no bevel or be so small that can barely be seen.

Tom brought up a good point, double check that your torch height is actual to what you have set it in the software.

I find that when I have issue, if I go through and double check the basics I just about always find what was causing the issue.

The other day I had a issue where my plasma operator set up our machine and the program kept cutting off the side of the plate. Turns out he forgot to square up the sheet of steel to the table. Sometimes its the simple things we overlook.