Level 1 Certification Lessons
Completion of the following lessons is required for LEVEL 1 Certification:
Molding Fundamentals: Inside the Mold
- The Molding Machine
- Mold Temperature & Fill Speed
- Wall Thickness & Injection Pressure
- Switch-Over from Filling to Packing
- Optimizing the Packing Profile
- Cooling Behavior
- Warpage Due to Differential Shrinkage
- Warpage Due to Differential Cooling
- Warpage Due to Fiber Orientation
Polymer Materials: Material Behavior
- Polymer Materials Overview
- Viscosity
- PVT
- Thermal Properties
- Mechanical Properties
- Deformation Behavior of Polymers
Part Design
- Nominal Wall Thickness, Part 1
- Nominal Wall Thickness, Part 2
- Flow Leaders
- Flow Restrictors
- Ribs Thickness
- Ribs Height
- Ribs Structure
- Corrugations & V-Grooves
- Bosses
- Gussets
Mold Design: Gates
- Cold Sprue
- Pin-Point Gates
- Sub-Gates: Round and Oval Dual, Part 1
- Sub-Gates: Round and Oval Six-Gate, Part 2
- Sub Gates: Ejector Pin, Part 3
- Edge Gates: Standard, Lapped, and Chisel
- Fan Gates
- Film Gates
- Disk Gates
- Ring Gates
- Cashew Gates
- Gate Symmetry and Balance
Mold Design: Cold Runners
- Types & Design
- Runner Patterns, Part 1
- Runner Patterns, Part 2
- Optimize Cold Runner Sizes, Part 1
- Optimize Cold Runner Sizes, Part 2
- Artificially Balancing a Cold Runner
- Balancing Multi Gated Part
- Balancing Family Molds
Mold Design: Cooling
- Cooling System Overview
- Temperature Behavior in Molds
- Parallel and Serial Cooling Circuits
- Dimensioning and Positioning Cooling Lines
- Baffles and Bubbler Circuits
- Mold Steel Selection
- Thermal Pins
Processing: Filling Phase
- Nozzle Tip Designs and Injection Pressure
- Pressure Behavior
- Temperature Behavior, Part 1
- Temperature Behavior, Part 2
- Optimizing the Filling Speed
- Filling Speed Profiles
Processing: Packing and Cooling
- Packing Pressure Profiles: Amorphous Materials
- Packing Pressure Profiles: Semi Crystalline Materials
- Wall Thickness and Packing Pressure
- Polymer Flow During Packing
- Gate Seal Time
- Clamp Tonnage
Processing: Shrinkage/Warpage
