To provide an offset printing machine which prevents a condensation from being generated on the surface of an ink fountain roller and the surface of ink in a fountain and efficiently controls the temperature of the ink.
This offset printing machine has a temperature control means provided in the ink of the ink fountain, in an inking unit which supplies the ink from the ink fountain to a plate cylinder. In addition, in the offset printing machine, the temperature control means provided in the ink of the ink fountain controls the temperature based on data obtained with the help of an ink temperature measuring means in the ink fountain, and further, the temperature control means provided in the ink of the ink fountain is installed at a position close to the ink fountain roller. Besides, the offset printing machine retains the temperature of the ink at a constant level by running cold water and hot water through piping with the assistance of the temperature control means provided in the ink of the ink fountain.
TAKASE TOMOYUKI
NAKAHARA YAMATO
