Detailed program of courses

Components of the flexographic printing group
Flexography among packaging printing systems
Packaging among printed products  
Printing systems and printing forms  
Inking restraints of different systems    
Ink transfer and graphic reproduction  
Press structure in different printing systems    
Substrates used in the various printing systems    
Packaging products reproducible in different printing system    
Inks characteristics    
Recognize the printing technology on printed products    
Comparison of printing systems  
Evolution of flexography
The origins of the flexographic system    
Evolution of the inking system    
Flexographic presses structures    
The anilox roller
Understanding cell count and volume
Evolution of anilox rolls  
Laser engraving on ceramic
Construction, characteristics and tolerances  
Comparison between different angles and engraving geometries
Engraving volumes and ideal ratios
Anilox-to-plate ratio
Main defects due to excess ink
How to measure anilox volume  
Cleaning systems and maintenance
Ink metering in flexography
Ink metering systems
Characteristics of the doctor blade
Metering angle
Metering system components and characteristics  
Usage suggestions
Flexographic ink
Types of ink
Comparison of solvent and water
Curable inks
Concentration and opacity
Pigments and Color Index  
Types of resins and characteristics  
Solvents and dilution  
The pH in water based inks  
Typical additives and their functions  
Viscosity and control  
Determine the volume of ink needed
Ink formulation
The flexographic printing form
Main features
Thickness, relief and hardness
Creating a relief printing image
Flat top or round top
Measurement of printing elements on the plate
Cleaning and compatibility with solvents  
Plate mounting and adhesive tapes
Plate mounting
Principle and structure of double-sided cushion tapes
How do you make impressions on press  
Thicknesses and tolerances  
Suggestions for the use of double-sided tapes  
Cylinders and sleeves for plate mounting
From gears to gearless  
Where printing takes place
External diameter and plate compression
Classification of substrates and their use
Surface tension
Paper and Corrugated cardboard  
Web tension
Perception, reproduction, measurement and color management
Principles of graphic reproduction
From live image to printed reproduction
Halftone and resolution of the human eye
Resolution of devices in the production flow  
Types of screening AM and FM  
Color and perception
Perception and characteristics of light  
Color modes, additive and subtractive synthesis  
The color of light  
Viewing and lighting conditions
Behaviors of the human eye  
Color measurement
Describe color with mnodels (Lab, LCh)  
Understanding and measuring density
Area coverage and dot %
Settings of densitometer and spectrophotometer
The color difference (Delta E)
Color management
Color management principles, gamut and profiles  
Color conversion  
Four-color separation and construction of the profiles  
Output intents, generic and specific conditions
Color is managed in the press room
The role of design
Use of special colors
Guidelines for the reproduction of text and lines  
Guidelines for the traps  
Guidelines for linescreen settings  
Guidelines for bar codes  
The role of prepress
Calibration and compensation curves
Prepare a job for flexo printing  
Color management methods (ISO 10128)  
Color conversion with Device Link profiles
The management of special and spot colors
Beyond the four-color process: 6, 7 colors, EGP  
Color traps  
Full plate layout and plate distortion
Contract color proof  
Plate making
Plate making technologies    
Analog and digital systems    
The photopolyerization process    
Calibration of the platemaking process    
Oxygen and polymerization: effects on the plate    
Methods to obtain flat-top plates    
CtP calibration: bump curve    
Direct laser engraving systems    
Quality, reference standards and calibration of the printing system
Perceived quality and measured calibration
We have always done in this way  
Print linescreen and quality  
Contrast, dotgain and quality  
Print density and quality  
Fundamental concepts and approach to calibration
Description of the calibration phases
ISO standards and reference specifications
ISO 12647-6 – flexographic printing  
ISO 20654 – SCTV  
ISO 15339 – printing with different technologies, CRPC  
ISO 10128 – color adjustment methods  
Purpose and variables to be optimized
Uniformity and ink laydown  
Tonal curves and compensation  
Conventional, hybrid screens and minimum dot management  
Optimize the roller inventory with the band anilox roller
Fingerprint and process control
Purpose and variables to be checked
Graphic elements to be used in the test  
The screen angles  
The calibration with gray balance  
Statistical approach and control charts
Characterization and improvement
Purpose and variables to be verified
Considerations on the characterization process  
From characterization data to profiles, to control data


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