INVESTIGATION OF THE ROLE OF CERTAIN FACTORS AFFECTING THE CONTRAST IN LASER MARKING

An in-ve-sti-ga-tion has been ma-de of de-pen-den-ce of mar-king con-trast on sur-fa-ce ro-ug-hness, spa-cing bet-we-en hatches (that is the pitch bet-we-en hatches) and the speed for pro-ducts ma-de of tool steel. Ex-pe-ri-ments ma-de con-cern pul-se la-ser Cu-Br uti-li-zing МО-РА system.