Flyknife cutter for extruded materials

摘要

Apparatus (10) for repeatedly severing rubber and plastic material (T) at selected locations along a length thereof including a frame (15), an arbor (41) mounted on the frame carrying a knife blade (50) for rotation in a circular path, a guide for supporting the material to be severed in the path of rotation of the knife blade, a rotary actuator (56) for selectively intermittently driving the arbor for instituting rotation of the knife blade, and a cylinder assembly (90) for supplementing the driving of the arbor and for braking the arbor to a stop after the knife blade has severed the material.