6. Station: Printing

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The externally coated cans are spaced by the intake wheel, as in the coating machine, and drawn on to the mandrel wheel mandrels by means of a vacuum. The mandrels are set in rotation around their own axis by a rotation belt.

The can positioned on the mandrel rolls synchronously over the blanket and absorbs the complete decorative design with all the ink colours from it. The individual colours are transferred by the inking units to the blankets via ink boxes, various rollers and the cliché cylinder with mounted printing plate. The high pressure printing clichés only absorb ink in the parts in which they are raised. Therefore each inking unit presses one colour ink onto the rubber blanket. Prior to the can coming into contact with the blanket, all the ink colours are on the rubber blanket entering the inking section; here the printed image is mirror-inverted. The inks are transferred to the can by rolling the can over the rubber blanket and the printed image becomes positive. The printed cans are then blown off the mandrels and conveyed to the drying oven by a magnetic conveyor belt.

1. Blanking and Deep-drawing 2. Wall-ironing and end forming 3. Trimming 4. Washing 5. Outside coating 6. Printing 7. Drying 8. Initial internal coating	9. Necking in 10. Flanging 11. End coating 12. Second internal coating 13. Testing for holes and flange cracks 14. Testing for internal defects 15. Palleting