Abstract: A printing press (10) is disclosed which incorporates a cooling system for the lubricating oil. The lubricating oil comes into contact with the major heat generating components of the printing press and control of the temperature of the lubricating oil provides an efficient technique for maintaining the printing press temperature at optimal temperature. A printing press (100) is also disclosed which includes water fluid flow through ink rollers (108). A source of cold water (114) can be tapped to supply water to the rollers to cool the rollers and a source of hot water (126) can be tapped to provide heated water to heat the rollers. Fuzzy logic is utilized with heating or cooling about a set point temperature within a given range being performed with the majority of the fluid being bypassed while heating and cooling outside of the predetermined range is achieved by flow of solely heated or cooled water.

Abstract: A dampening system has a pan for containing dampening fluid, and transfer and metering rollers for bringing dampening fluid up out of the pan. A transition roller contacts one of the transfer and metering rollers. The transition roller is movable between first and second positions. In the first position, the transition is off of the plate cylinder and dampening fluid is applied to the plate cylinder by ink form rollers. In the second position, the transition roller is on the plate cylinder. Another version of the dampening system has a bridge roller between the transition roller and a ink form roller, which bridge roller is movable between third and fourth positions. In the third position, the bridge roller is on the transition roller. In the fourth position, the bridge roller is off of the transition roller. The dampening system can dampen the plate cylinder without the use of alcohol. The transition roller is rotated by a separate motor so that its speed is controlled independently of the other rollers.

Abstract: A dampening system has a pan for containing dampening fluid, and transfer and metering rollers for bringing dampening fluid up out of the pan. A transition roller contacts one of the transfer and metering rollers. The transition roller is movable between first and second position. In the first position, the transition is off of the plate cylinder and dampening fluid is applied to the plate cylinder by ink form rollers. In the second position, the transition roller is on the plate cylinder. Another version of the dampening system has a bridge roller between the transition roller and a ink form roller, which bridge roller is movable between the third and fourth positions. In the third position, the bridge roller is on the transition roller. In the fourth position, the bridge roller is off of the transition roller. The dampening system can dampen the plate cylinder without the use of alcohol. The transition roller is rotated by a separate motor so that its speed is controlled independently of the other rollers.