For butt rolls (20" or less) of different paper grades. Very common in sheeting operations, for eliminate manual stripping/removal of the last several inches of paper on a core.
Butt rolls are loaded onto the infeed table. When started, the rolls are fed one by one into the machine, the paper is unwound from the core and the empty core is ejected to a collecting table. The paper may be fed directly to a pulper, to a belt conveyor or existing trim handling system, depending on the requirements.