Ink cup is an important parts of pad printers.The sealed cup is consists of two parts: the Ink Cup ring and body part, The ring part of the installation in the cup body, wear occurs when the ring can be replaced. Now the knife ring is made of common two materials: ceramic and tungsten steel. Sealed ink cup system have both covering ink function and removing ink function, Pad printing machines uses closed ink cups with rings forboth covering ink function and removing ink function on the cliches. Closed ink cup with ceramic ring 70mm diameter. Is the best choice for inking in photopolymer plates. It is equipped with adjustable magnetic presser. Ideal on manual pad printing machine and on various models of pad printing machines.