Flexo Printing Press
Water based flexo printing press for super short-run-jobs.
Gravure printing vs. Flexo printing
Printing Cylinders and Plates
Gravure printing
| Gravure printing | |
|---|---|
| Coating volume | Approx 4g/㎡ (wet) |
| Number of plates | 175lpi 250lpi |
| Ink type | Solvent or Water based |
| Plate material | Iron (alturminum) core + plating |
| Exhaust VOC | Combustion |
| Viscosity | 15 – 17 seconds (No.3 cup) |
Flexo printing
| Flexo printing | |
|---|---|
| Coating volume | Approx 1- 15g/㎡ (wet) |
| Number of plates | 120lpi 133lpi 150lpi |
| Ink type | Water based |
| Plate material | Mandrel + cushion tape + resin plate |
| Exhaust VOC | Unnecessary |
| Viscosity | 15 – 17 seconds (No.4 cup) |
Printing principal and Register matching process
Gravure printing
- Transfer ink by high impression pressure (nip)
- Tension fluctuation occurred when descending the impression cylinder
- Doctor streak & fogging are typical problem
Flexo printing
- Transfer ink by ligth pressure (Kiss-Touch).
- Plate cylinder control does not affect film traveling
- “Karami” “Marginal” are typical problem
Machine size and Drying capacity
- Flexo Water-base printing requires less Heat volume compare to Gravure
Inking mechanism and Cleaning process
Gravure printing
- Always volatilize ink and have viscosity variation
- Cleaning separately cylinder, furnisher roller, doctor, ink pan.
- Large amount of ink left.
Flexo printing
- Cleaning together enclosed circulation unit.
- A very small amount of circulating ink.
Xpress
Xpress
Xpress changes Super short-run jobs into more profitable jobs by adopting Flexo advantages.
| Xpress | |
|---|---|
| Machine Speed | 170m/min |
| Repeat Length | 280-600mm (Stepless Repeat) |
| Web Width | 300-600mm |
| Web Roll Diameter | Max Φ400mm |
| Pressure Control | Numerical control with servo motor |
| Printing Unit | In-Line Unit, Sectional(Gearless) Type |
| Drying System | Hot Air Blowing (Electric, LPG, Steam) |
| Machine Dimension | (L)14000 × (W)2800 × (H)2800mm |
Xpress (Wide)
Xpress (Wide)
Wide width Flexo press focusing on Paper printing ー Superior print color to Gravure and high speed with Water based ink.
| Xpress (Wide) | |
|---|---|
| Machine Speed | 300m/min |
| Repeat Length | 400-900mm (Stepless Repeat) |
| Web Width | 600-1300mm |
| Web Roll Diameter | Max Φ1000mm |
| Pressure Control | Numerical control with servo motor |
| Printing Unit | In-Line Unit, Sectional(Gearless) Type |
| Drying System | Hot Air Blowing (Electric, LPG, Steam) |
| Machine Dimension | (L)18500 × (W)6000 × (H)5500mm |