Program 1: Injection Mold Fundamentals

• The four basic functions of an injection mold
• Part design considerations
• Material considerations
• Molding machine considerations
• Initial mold design

Program 2: Mold Machining Methods, Part 1

• Conventional and CNC milling
• Conventional and CNC lathe
• Conventional and CNC surface grinding
• The advantages and disadvantages to each machining method
• Finishes and stresses with each process

Program 3: Mold Machining Methods, Part 2

• Conventional and CNC die sinking EDM
• CNC wire EDM
• Polishing
• Inspection equipment
• Seal-offs

Program 4: 2-Plate, 3-Plate, and Hot Runner Molds

• Explains the three basic mold designs and their construction
• Advantage and disadvantage to each design
• Common uses for each design
• Explains different hot runner systems
• Parting line locks
• Specialty molds

Program 5: Mold Bases, Tool Steels & Heat Treating

• Tooling materials and their properties
• Various heat treating methods
• Introduces alternative materials, such as Beryllium-copper
• Features DME standardized mold bases

Program 6: External & Internal Actions

• Slides, core pins, & lifters
• Unscrewing & expandable cores
• Inserts
• Dissolvable cores
• Preload and seal-offs

Program 7: Part Ejection, Venting & Cooling

• Ejector pins, sleeves, blades and lifters
• Stripper plates and pneumatic ejection
• Water lines, bubblers, baffles and conductive cooling rods
• Multi-stage ejection and ejection return
• Covers different forms of part venting

Program 8: Gating Methods

• Commonly used Gates and their characteristics
• Introduction to hot runner gate design
• Introduction to cold runner gate design
• Explains manual and automatic gate removal
• Discusses gate location determination

Program 9: Runners, Filling Software & the Mold Design Process

• Parting line determination and considerations
• Core and cavity block configuration
• Cooling line and ejection layout
• Additional mold components
• Mold filling analysis capabilities

video preview (Windows Media Player version 7 or higher required)

Program 1: Product Development & the Prototype Process

• The development & prototype process
• Product development steps
• Concurrent engineering
• Computer simulations for design
• Rapid prototyping and tooling processes

Program 2: Mechanical Behavior of Polymers

• The mechanical behavior of polymers
• Stress/strain curves
• Visco-elastic behavior of polymers
• Creep and stress relaxation

Program 3: Mold Filling, Gating & Weld Lines

• Fatigue and cyclic stress
• Gating & weld line considerations
• Mold filling processes
• Gate types, location, and importance
• Weld line occurrence and strength determination

Program 4: Shrinkage, Warpage, & Part Ejection

• How packing affects shrinkage and warpage
• The effects of part geometry
• Amorphous vs. semi-crystalline behavior
• Ejection systems for simple and complex geometry

Program 5: Mechanical Fasteners, Press & Snap Fits

• Assembly techniques
• Snap fit design and considerations
• Design for assembly and disassembly
• Boss and screw design
• Press fit design and strength equations

Program 6: Welding & Adhesives Bonding Technology

• Various part welding processes
• Joint design for injection molded parts
• Adhesive bonding applications & techniques
• Wetting, surface attraction and curing of adhesives