Sets of Lessons

Molding Fundamentals

Inside the Mold

$320 / 6 months

8 Lessons Included

(Show Lessons)
1:The Molding Machine (Free of charge)
2:Temperature and Fill Speed
3:Wall Thickness and Injection Pressure
4:Switch-Over from Filling to Packing
5:Optimizing the Packing Profile
6:Cooling Behavior
7:Warpage Due to Differential Shrinkage
8:Warpage Due to Differential Cooling
9:Warpage Due to Fiber Orientation
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Polymer Materials

Material Behavior

$200 / 6 months

5 Lessons Included

(Show Lessons)
1:Polymer Material Overview (Free of charge)
2:Viscosity
3:PVT
4:Thermal Properties
5:Mechanical Properties
6:Deformation Behavior
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Part Design

Part Design

$400 / 6 months

10 Lessons Included

(Show Lessons)
1a:Nominal Wall Thickness
1b:Nominal Wall Thickness
2:Flow Leaders
3:Flow Restrictors
4:Rib Thickness
5:Rib Height
6:Rib Structure
7:Corrugations and V-Grooves
8:Bosses
9:Gussets
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Mold Design

Gates

$480 / 6 months

12 Lessons Included

(Show Lessons)
1:Cold Sprue
2:Pin-Point Gates
3a:Round and Oval Dual Sub-Gates
3b:Round and Oval Six-Gate Sub-Gates
3c:Ejector Pin Sub-Gates
4:Edge Gates: Standard, Lapped, and Chisel
5:Fan Gates
6:Film Gates
7:Disk Gates
8:Ring Gates
9:Cashew Gates
10:Symmetry and Balance
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Mold Design

Cold Runners

$320 / 6 months

8 Lessons Included

(Show Lessons)
1:Types and Designs
2a:Runner Patterns, Part 1
2b:Runner Patterns, Part 2
3a:Optimizing Cold Runner Sizes, Part 1
3b:Optimizing Cold Runner Sizes, Part 2
4:Artificially Balancing a Cold Runner
5:Balancing Multi-Gated Runner Parts
6:Balancing Family Molds
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Mold Design

Cooling

$240 / 6 months

6 Lessons Included

(Show Lessons)
1:Cooling System Overview
2:Temperature Behavior in Molds
3:Parallel and Serial Coolant Circuits
4:Dimensioning and Positioning Cooling Lines
5:Baffle and Bubbler Circuits
6:Mold Steel Selection (Free of charge)
7:Thermal Pins
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Processing

Filling Phase

$240 / 6 months

6 Lessons Included

(Show Lessons)
1:Nozzle Tip Designs and Injection Pressure
2:Pressure Behavior
3a:Temperature Behavior, Part 1
3b:Temperature Behavior, Part 2
4:Optimizing the Filling Speed
5:Fill Speed Profiles
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Processing

Packing and Cooling Phase

$240 / 6 months

6 Lessons Included

(Show Lessons)
1:Packing Pressure Profiles: Amorphous Materials
2:Packing Pressure Profiles: Semi-Crystalline Materials
3:Wall Thickness and Packing Pressure
4:Polymer Flow During Packing
5:Gate Seal Time
6:Clamp Tonnage
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Processing

Shrinkage and Warpage

$240 / 6 months

6 Lessons Included

(Show Lessons)
1:Understanding Shrinkage and Warpage
2:Understanding Flow-Induced Molded-In Stress
3:Understanding Thermally-Induced Molded-In Stress
4:Amorphous and Semi-Crystalline Materials
5:Fiber-Filled Materials
6:Fiber Percentage
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Molding Defects

Molding Defects

$1000 / 6 months

25 Lessons Included

(Show Lessons)
1:Short Shots (Processing) (Free of charge)
2:Short Shots (Part Design)
3:Entrapments
4:Burn Marks
5:Flash
6:Meld and Weld Lines (Processing)
7:Meld and Weld Lines (Part Design)
8:Sink Marks and Voids, Part 1
9:Sink Marks and Voids, Part 2
10:Gate Blush and Halo
11:Jetting
12:Core Deflection
13:Dimensional Challenges, Part 1
14:Dimensional Challenges, Part 2
15:Dimensional Challenges, Part 3
16:Warpage, Part 1: Wall Thickness and Fill-Related Processing Factors
17:Warpage, Part 2: Evaluating Individual Parts within an Assembly
18:Warpage, Part 3: Structural Ribs and Fiber Percentage
19:Warpage, Part 4: Cycle Time, Wall Thickness and Packing Time
20:Warpage, Part 5: Gate Location and Processing
21:Warpage, Part 6: Filled and Unfilled Polymer Materials
22:Warpage, Part 7: Dimensional Challenges
23:Warpage, Part 8: Process Parameters and Polymers
24:Warpage, Part 9: Fiber Percentage and Processing
25:Warpage, Part 10: Part Design and Assembly
26:Warpage, Part 11: Gating and Material Selection
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