Design of an optimized ink jet fixation module for the VP i300

Transcription

1 <Photo or Drawing of Product> Design of an optimized ink jet fixation module for the VP i300 DSPE Bert van Beek & Ton Albers Océ R4 - - Public A Canon Company 1

2 Contents Introducing the VarioPrint i300 What is fixation of ink and how to implement this? Imagining the next development step Example 1: Outershell Example 2: Drum Conclusions DSPE R4 - Public 2

3 Contents Introducing the VarioPrint i300 What is fixation of ink and how to implement this? Imagining the next development step Example 1: Outershell Example 2: Drum Conclusions DSPE R4 - Public 3

4 VarioPrint i300 DSPE R4 - Public 4

5 Contents Introducing the VarioPrint i300 What is fixation of ink and how to implement this? Imagining the next development step Example 1: Outershell Example 2: Drum Conclusions DSPE R4 - Public 5

6 The inkjet triangle DSPE R4 - Public 6

7 The inkjet triangle Offset-coated paper: Produced in huge volumes cheap Optimized for different process DSPE R4 - Public 7

8 The inkjet triangle Offset-coated paper: Produced in huge volumes cheap Optimized for different process Ink: Pigment on top for crisp images Resin coating to fix and protect the pigment Transport and conditioning liquids: water and co-solvents (e.g. glycerol) DSPE R4 - Public 8

9 The inkjet triangle Offset-coated paper: Produced in huge volumes cheap Optimized for different process Ink: Pigment on top for crisp images Resin coating to fix and protect the pigment Transport and conditioning liquids: water and co-solvents (e.g. glycerol) Printhead: depositing the ink Fixation: getting rid of all undesired liquids DSPE R4 - Public 9

10 Fixation: end-result after 2 seconds Robust film of resin Evaporated: water Pigments ~90% undesired liquids Paper coating Absorbed cosolvents DSPE R4 - Public 10

11 Fixation function VarioPrint i300 New innovative drying system: suppress waviness using high pressure Conductive transport drum to enable very accurate temperature control Carbon infrared heaters (CIR) for fast heating Air impingement drying to accelerate evaporation DSPE R4 - Public 11

12 Fixation function VarioPrint i300 Suction drum (convective heating) Outershell modules Carbon Infra red Air impingement Moist air removal DSPE R4 - Public 12

13 Contents Introducing the VarioPrint i300 What is fixation of ink and how to implement this? Imagining the next development step Example 1: Outershell Example 2: Drum Conclusions DSPE R4 - Public 13

14 Imagining the next development step Project i300 Fast market launch Parts cost reduction program Vision Set target at 4x reduction How? Smaller volume Integration Simpler concepts Cheaper concepts Powerusage But don t change specs! DSPE R4 - Public 14

15 Contents Introducing the VarioPrint i300 What is fixation of ink and how to implement this? Imagining the next development step Example 1: Outershell Example 2: Drum Conclusions DSPE R4 - Public 15

16 Example 1: Outershell design Air impingement drying: Well known principle for boosting evaporation DSPE R4 - Public 16

17 Example 1: Outershell design Idea Integrate IR heating and impingement Hot air impingement Adjust outflow width to paper size minimize energy consumption & maximize temperature uniformity Local recirculation of impinged air to conserve energy DSPE R4 - Public 17

18 Example 1: Outershell design Desired effect: cost down Simpler concept: air heater vs IR radiator Cheaper: heating wire instead of goldcoated vacuum tube Integration of function: less fans and components Bonus achievements Enhanced temperature uniformity by directing the air to the right width Reduced energy consumption by selective energy application and recirculation Increased print robustness by optimizing module placement End result: increased media range DSPE R4 - Public 18

19 Contents Introducing the VarioPrint i300 What is fixation of ink and how to implement this? Imagining the next development step Example 1: Outershell Example 2: Drum Conclusions DSPE R4 - Public 19

20 Example 2: Drum Screen Slits Transport sheets Flattening sheets vacuumpressure Air channel DSPE R4 - Public 20

21 Example 2: Drum, airflows Idea: minimize flow resistance Fan close to drum Vacuum vessel Pa Large pressure drop Fan power: 7.5 kw Fan power: 3 kw DSPE R4 - Public 21

22 Example 2: Drum, channel selector Channel selector Pa Idea: channel selector inside drum Gap seal Channel selector Pa +50 Pa Release paper from drum Vacuum switched off Mechanical contact DSPE R4 - Public 22

23 Example 2: Drum, labyrinth seal Labyrinth increases flow resistance Reduces seal leakage DSPE R4 - Public 23

24 Example 2: Drum, airchannel flow Central flow connection Symmetric temperature distribution DSPE R4 - Public 24

25 Volume and floorspace reduction Drum Fan DSPE R4 - Public 25

26 Conclusion Cost price reduction Hot Air Impingement Integration Cheaper heating principle Vacuum Drum Pressure loss reduction Compact design Bonus achievements Improved reliability Larger media range Temperature uniformity Optimal module placement Volume and floorspace reduction Cheaper simpler better DSPE R4 - Public 26

27 DSPE R4 - Public 27