Electrically chargeable impression roller supporting device for gravure printing press, has bearing box made of thermosetting plastic and electrically insulates bearing ring of roller bearing at which metal base plate of roller is supported

摘要

The device has a bearing box (12) made from thermosetting plastic and is placed opposite to a press housing. The bearing box electrically insulates a bearing ring (11) of a roller bearing (4) at which a metal base plate of an impression roller is supported. A contact clip (15) includes a contact unit, which is connected with an electrical conductor of a DC source (9) and presses against the ring via a recess (17) in the box.