| 摘要 |
PURPOSE:To provide a dampening arrangement which has improved printing quality of a printing machine by supplying dampening water according to a printing speed of a rotary press. CONSTITUTION:In a dampening water feeder which uses spray in a rotary press, a nozzle 10 which contains a needle 20 and forms the spray by receiving supply of dampening water and compressed air, a needle driving mechanism 11, 11c which regulates a quantity of jet water from the nozzle by moving said needle axially, a detector 12 for rotary speed of the press, and a controller 13 which moves a needle driving mechanism by obtaining a required quantity of the dampening water from the rotary speed are provided. The dampening water of a quantity according to the rotary speed of the press is jetted from the nozzle abovementioned. |
