We are supplying here the Slitting Machine that consists of three main parts unwind, the slitter and the rewind. By feeding a large roll of your chosen material through the slitterâs unwind, your material will then unwound, be slit into various widths before being rewound into cores of various widths. The machine can reduce their width or even their yardage to fit your process. It is used to convert (slit) papers, film and foil materials so that large rolls of these materials can be cut into narrower rolls. The Slitting Machine is made available in a number of types.