Variables in Color Metal Decorating (DRY OFFSET)
This guide mentions the main variables that affect the metal decorating process using dry offset printing, and mainly used in the manufacturing of 2 piece cans.
 | GRAPHIC PRODUCTION / PRESS PLATES: |
Image sharpness
Image separation
Plate image / Surface Type / Condition
Plate thickness
| METAL SUBSTRATE: |
Surface condition
Chemical treatment
Spectral reflectance properties
Substrate thickness
Substrate temperature
| DECORATION PROCESS: |
Fountain regulation
Ink roller composition
Ink roller train / Pressures and oscillation
Ink from roller to press plate pressure
Design registration
Press plate to blanket pressure
Blanket composition
Impression pressure
Impression speed
Drying time / Temperature
| INK: |
Opacity / Transparency
Tack
Body
Pigmentation
Spectral reflectance properties
Film Thickness
Cohesion / Adhesion
Temperature
Transferability
Vehicle properties
Drying properties (Time/Temperature)
| OVER-VARNISH |
Viscosity
Compatibility
Chemical properties
Applicator roller composition
Film thickness
Drying properties (Time/Temperature)
| HUMAN ELEMENT: |
Aptitude
Attitude/Perception
Experience
Training
Environmental response ( Lighting, Angle, Etc. )
Physical attributes and abilities