Operating heatset press
- 2. Crew and functions Usually amount of crew is 2-4 • two people adjusting color (one for each side) • one (or one from above) adjusting folder • one in reel stand
- 3. Adjusting the press Ink feed: Color register - manually • either manually or - automatically automatically (closed loop color system) • can be adjusted in CD • based on print densities or visually on proofs Folder Fountain solution feed: • total amount, manually • according to paper Web speed, web tension
- 4. Anatomy of average print job = Efficiency ~50-60% Speed Average print run ~100 000 – 150 000 cps (4-5 reels, 60 gsm) 40’ cps/h Washing interval ~30 000 cps ~1000 cps / wash colour ok, folder ok 20’ cps/h ~2’-5’ cps Paper waste: • start-up: 3-5% • washing: 2-4% Web break • bindery: 1-2% <4% of used • other: 2-3% reels • Total: 8-14% ~30 min changing plates, other... Time/ Copies
- 5. Cost division in magazine publishing Distri- bution ~10% Paper ~45% Publishing Printing ~50% ~40% Production ~45% Other ~10% Payed by: Readers Advertisers 30-70% 70-30%