I've used an Accuset 1000 for 10+ years for poly plates.
Plate material from AB Dick/Presstek/Marc Anthony - Item 66534, Megapro-LD 5 mil poly, Spec 820, 13.3 in x 200 ft rolls. (These machines are not spec'd to cut thicker material.)
I cut with a Dahle Cut Cat mat cutter. Roll up the plate run...