Plastics Decorating

LECTURE PRESENTATION

Reading Assignment

  • TBA

Recommended Reading

Outline

Degating

  • Methods of degating
  • Automated tooling devices
  • Cold-runner three-plate mold
  • Hot sprue-gated mold
  • Hot-runner mold
  • Insulated runner mold

Deflashing

  • Cutting & trimming
  • Media blasting
  • Cryogenic deflashing

Cleaning

Contaminants in the molding process

Soaking or spraying parts

Decorating

Molded-in decorations

Applied decorations

Painting

Plating

Electroless plating process

Electrolytic plating process

Vacuum metallizing introduction

Types of metal finishes

Post metallization coating

Pad printing

Cliché plate

Pad printing process

Hot stamping introduction

Vertical hot stamping

Silk screening

Screen processing

Silk screen process

Fill & wipe

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