... , MDF board and other board NEW FEATURES:The machine is special designed for notching V type groove, use ... groove more accurately, no deviation and straightly. The machine has the features of high accuracy, fast speed and ... hour that feeding by hand,it is very fast.4 .The cutting blade can cut 8000-12000 sheets ... 5 .The cutting degree is adjustable.6 .The machine could groove any thickness from 0.5mm-4mm, ...