How to find out the small and big gear calculation of printing and how to find out the Drum size for particular batch.
Different printing method need different calcultion.
For carton offset web printing machines.
For foil printing needed rotogravure, flexographic technique machine.
Calclation based on printiple of ornting in thier machine. i.e.
- Print Repeat for foil (an indiviusal) = Product Length + Pitch
- Cylinder Circumference for foil (whole cylinder) = Print Repeat × Number of Images Around the Cylinder.
Small gear and big gear have 1/3 ratio and its based change from mfg to mfg. Read mannaul to learn experties.