Finalizing additive modeland

Product graphics

Teppo Vienamo20.11.2015

Plastic´s Product design Aaltonaut

Rough grinding1. Spray paint thin layer to

see surface

2. Grind (no 80-120 paper) until only deepest grooves have paint

3. Slight grinding by 220Surface of actual 3D-model

print

Base for painting • Clean dirt, dust water etc. away• Paint with spray filler• Grinding with water (and soap) 240 -

360 paper• Fill deep grooves with 2 component

polyester filler• Repaint by filling primer if plastics

exposes• Gradually to finer sand paper

– 360 600– The glossier finish, the finer paper– 800 fairly good– For extreme gloss the final surface is

grinded with paste 1000 - 2000

Spray painting• Solver of the primer swells the plastics

– Allow to evaporate over night• Constant color bottom• Supporting the part for painting• Spray painting

– Steady movements– Open the spray shooting of the part– Perpendicular to surface– 30 cm distance– Cavite's difficult– First thin layer, allow to dry for few minutes– Wet layer for final surface

• If starts to run cold helps• After drying can be polished

Efects

• Effect surface, EDM – Spraying droplets to surface– Allow to dry– More droplets – Etc.

• Matt surface– Matt paint– Matt lacquer

Product graphics

• Vinyl cutter• Print and clue

Displays

• Colored print on paper• Colored print to back side of over head

projector film– Print behind the film– Basic color is spray-painted to the back– Spray glue

Product graphics• Printing

– More convincing than sticker, logistics• Self adhesive film label

– Easy to tailor the product– Different versions in same covers

• Engraving in mold– No extra cost from graphics– Professional impression– Limited visibility– Can be an insert in mold

• Dual injection molding– Expensive tool– Excellent durability and visibility

Self adhesives

• Printed or cut• Logos and tapes• Product shields • Membrane keypad – Slight 3D form– Domes – LED in sticker

Printing

• Silk screening• Pad printing • Hot stamping• Laser marking• Digi printing

Silkscreening

• To part– Not in cavity– Relatively flat surface

• On paper• Plastic film, on top or under• Manually or automated

• Method– silk-screen exposure, fixation– Screen for each color– printing

Pad printing

• Uneven surfaces• Color to cavities of

print plate• Transferred with

silicon pad to part

Hot stamping

• Hot stamp welds colored film to part• Cosmetics• Metallic and intensive colors

Product graphics on a model

• Vinyl cutter• Print and clue

Displays on a model

• Colored print on paper• Colored print to back side of over head

projector film– Print behind the film– Basic color is spray-painted to the back– Spray glue