Abstract:
A digital cliché pad printing system includes a conveyor for conveying a substantially non-elastic support medium, a material deposition jetting device for depositing a curable material onto the support in a desired pattern, the desired pattern having at least one void space, means for curing the material in the desired pattern, the cured material defining a cliché having a top surface, an ink delivery system for depositing ink in the at least one void space and for wiping ink from the top surface and a pad configured to contact the cliché to transfer ink from the void space to the pad the pad also configured to move into contact with an object to which the ink is transferred. A digital cliché media and method are also disclosed.
Abstract:
A pad printing system includes a doctor blade (60) and an ink liner frame (40) removably attached to the doctor blade. The ink liner frame (40) is removably attachable to an ink liner (50).
Abstract:
A rotating cliche pad printer includes a frame (12), a flat cliche (14) operably mounted to the frame, an ink cup (18) configured to reside on the cliche and a pad applicator (20). The cliche includes at least one etched region and is adapted to receive ink thereon in the etched region. The ink cup is configured to reside on the cliche and to deposit ink into the at least one etched region. The cliche and ink cup are rotatably movable relative to one another. The pad applicator includes at least one pad (28) adapted to move into and out of contact with the at least one etched region to receive ink from the etched region. The pad is further configured to contact an associated object to transfer the received ink to the associated object.
Abstract:
An auto alignment pad printer for transferring print to an associated object includes a frame, a fixture for supporting the associated object and a cliché operably mounted to the frame. The cliché includes at least one etched region and is adapted to receive ink in the etched region. An ink cup is configured to deposit ink into the etched region. A pad applicator includes a pad support having at least one pad thereon. The pad is adapted to move into and out of contact with the etched region to receive ink from the etched region and to contact an object to transfer the received ink to the object. A pad applicator alignment assembly includes a first set of cooperating projections and receivers mounted to the pad applicator and to the cliché and/or the frame near to the cliché, and a second set of cooperating projections and receivers mounted to the pad applicator and to the fixture for supporting the object. The first set of cooperating projections and receivers are configured to position the pad for precise movement into contact with the cliché to receive ink from the cliché. The second set of cooperating projections and receivers are configured to position the pad for precise movement into contact with the object to transfer the received ink to the associated object.
Abstract:
A pad printing system (305) includes a doctor assembly (112), a first force applicator (310), and a second force applicator (312). The doctor assembly further includes a first set (320) of opposing contact points (320a, 320b) and a second set (322) of opposing contact points (322a, 322b), wherein the first set is offset from the second- set. The first force applicator is operable to apply force at the first set of contact points and the second force applicator is operable to apply a force to the second set of contact points.
Abstract:
A pad printing system includes a doctor assembly comprising a cliché, an ink cup, and a variable hold down force system configured to apply a variable force to the ink cup and doctor assembly responsive to a direction of travel.
Abstract:
A method for operating a pad printing system includes receiving a removable pre-filled ink cup on a doctor assembly, orienting the removable pre-filled ink filled cup on the doctor assembly, and dispensing ink from the oriented removable pre-filled ink cup. A removable pre-filled ink cup is provided for a pad printing system including an ink retention portion pre-filled with ink, and a doctor assembly orientation portion formed on an outer portion of the retention portion, wherein the removable pre-filled ink cup is configured to deposit ink on a cliché device via a doctor assembly mated with the doctor assembly orientation portion.
Abstract:
A method for aligning a sphere to a desired orientation includes imaging a non-surface alignment feature of the sphere and calculating a current orientation of the sphere based on an image of the non-surface alignment feature. Using these calculations, a relationship between the current orientation of the sphere and the desired orientation of the sphere is calculated and communicated to a motion control device, and aligning the sphere into the desired orientation using the motion control device.