Purging for Scientific Molders: Intermediate

Designed specifically for injection molders, Routsis Training’s intermediate-level purging courses introduce a scientific approach to material purging.

These courses discuss important purging concepts and detail common procedures for purging plastic material from the injection screw, barrel, and nozzle — and techniques for cleaning hot runner systems and gate drops.

Purging Techniques

• Definition of Purging
• General Injection Molding Safety
• Injection Molding Machine Safety
• Plastic Purging Safety
• The Purpose of Purging
• Small and Large Shot Purging
• Continuous and Closed-Mold Purging
• Dry and Wet Purging
• Purging Heat Sensitive Materials
• Purging High Temperature Materials
• Hot Runner and Gate Drop Cleaning
• Nozzle and Screw Removal

Purging Procedures

• Phase 1: Preparation
• Phase 2: Initial Purging
• Phase 3: Final Purging
• Phase 4: Production

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