Printing unit of printing machine e.g. web-fed printing machine, has control unit to control discharged amount of vapors and gases, and print material is exhausted in opening of exhaust duct from working chamber

摘要

The printing unit (01) has a working chamber (02) that is provided with a printing cylinder (03,04). An inking unit (06) is arranged in the working chamber. An inlet end of air supply pipe configured to dissipate vapors and gases from the working chamber. A control unit configured to control the discharged amount of vapors and gases based on transport speed of the printing process. The print material (07) is exhausted in an opening of the exhaust duct from the working chamber.