Drive for a cylinder of a rotary printing machine
AssigneeMAN Roland Druckmaschinen AG
InventorsAndreas Stieler, Nils-Hendric Schall, Karsten Stansch, Ulrich Seyffert
Life of this patent
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Abstract
A cylinder of a rotary printing machine has cylinder parts that can be driven and rotated independently of one another. The cylinder parts each have a drive connection to an electric motor and can be driven independently of one another.
Claims14
A drive system for a folder of a rotary printing machine, said folder comprising a folding cylinder and a folding jaw cylinder, said folding cylinder comprising a first cylinder part bearing a holding element and a second cylinder part bearing folding blades, said folding jaw cylinder comprising a first cylinder part, said first and second cylinder parts of said folding cylinder being rotated independently of one another about a common axis, said drive system comprising
- a spur gear fixed to said second cylinder part of said folding cylinder and a spur gear fixed to said first cylinder part of said folding jaw cylinder, said spur gears being directly engaged, and
- first and second electric motors for driving respective said first and second cylinder parts of said folding cylinder independently of one another.
A rotary printing machine comprising a folder comprising a folding cylinder and a folding jaw cylinder, said folding cylinder comprising a first cylinder part bearing a holding element and a second cylinder part bearing folding blades, said folding jaw cylinder comprising a first cylinder part, said first and second cylinder parts of said folding cylinder being rotated independently of one another about a common axis, said drive system comprising:
- a spur gear fixed to said second cylinder part of said folding cylinder and a spur gear fixed to said first cylinder part of said folding jaw cylinder, said spur gears being directly engaged;
- and
- first and second electric motors for driving respective said first and second cylinder parts of said folding cylinder independently of one another.
Dependencies are inferred from the claim text.