Where does surface tension come from? How long will pre-treatment last? How to achieve stronger ink adhesion? Which print head will best match a substrate’s shape? Frit or UV inks? Infrared, UV-LED or UV Mercury?
ESMA Academy on 14-16 November 2023 explains and reviews inkjet’s strengths in decorating various types of glass – container, flat, automotive…
During lab-based sessions participants experiment with pre-treatment methods, ink characterisation, print parameters, ink delivery systems, drying and curing mechanisms, print quality, drop and colour management.
ESMA Academy – Inkjet Applications: Glass
- Date: 14-16 November 2023
- Location: The course takes place in the European Centre for Dispersion Technologies
SKZ – KFE gGmbH
Weißenbacher Straße 86
95100 Selb, Germany - Individual Price: EUR 1,850.0
To register click here.
PROGRAMME
- DAY 1Inkjet chemistry overview
Primers and inks | Glass-specific chemistryInkjet physics overview
Printhead landscape (piezo, thermal and others) | Ink channel design | Fluid dynamics | Waveform generation and meniscus behaviour | Drop formation | Grayscale formation | Data path and printhead electronics
Fluid delivery
Ink supply landscape | Meniscus and pressure control | Recirculation vs. gravity
Technology ecosystem
Hardware, process, integration | Glass printing machine overview | Machine design and modularity | Market segments (flat vs. container glass) - DAY 2
Pre-treatment
Surface behaviour, energy and tension | One-time vs. multiple treatment | Flame and silane treatment | Influence of primers and additives | Ink adhesion strength and ink detachment | Hydrophobic vs. hydrophilic | Corona and plasma treatment
Print heads
Manufacturer overview | Object geometry (linear vs. helical jetting) | High resolution vs. high laydown | WaveformsLiquids, Functionality and characterisation
Frit, UV and water-based inks | The White Ink Dilemma | Ink composition and density | Surfactants, PIs an cosolvents | Temperature sensitivity | Safety and sustainability | Degassing and filtration | Market trends
Curing and drying
IR and nIR | UV and UV LED | Curing issues by reflection around the object or in machine
Image quality, drop and colour management
RIP overview | Profiling methods | Spectrophotometers and light reflection on glass | Traditional vs. spherical light sources | Drop placement | Strategies for missing nozzles and image stitching | Grayscale generation vs. binary printing modes | Drop formation and waveform | Printer linearisation | Ink saving strategies | Ink-surface dependencies and artefacts | Cold vs. warm glass printing and ink adhesion - DAY 3
Application-specific requirements
Substrate preheating or cleaning | Hot vs. cold end coating and impact on ink adhesion | PE coating on containers | Hybrid printing (digital, screen, foil, toner transfer) | Jetting vertically in skyscraper format | Pinning the ink prior to full cure | Printing ink on ink (white base, varnish)
Sustainability
CO2 reduction with UV LED curing | Energy consumption | De-inking of organic vs. inorganic inksProblem solving
Pre-treatment | Ink wetting, adhesion and robustness | Filling lines | Filled goods | Lip contact lines | Stitching and pinning over varying bottle diameters | Print head motion control | Curing through translucent containers and light reflection onto print head
Print samples and best practices
Case studies | Printed materials showcase | Good vs. bad print parameters
Patents and innovations
Selected patents and innovations from inkjet printing on glass | Haptic lacquers and layering techniques | Helix vs. segmented print | 3D object printing software | Glass-specific inks and primers
Market and trends outlook
Mergers and acquisitions | Supplier ecosystem