You can expect hundreds of hours of production time from the support grating before the need to replacing waterjet. We recommend that, as long as you don’t cut just one pattern over the same section for thousands of parts, slats and grates can be shifted, swapped, and flipped just as with plasma and laser cutting. Thus, this will extend the life of the grating supports.
article from: http://waterjetapw.com
waterjet http://waterjetapw.com