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Plastic Injection Mold Design Advanced


Take your understanding of the inner workings of injection molds to the next level. With a focus on cost savings throughout, work on “mini-projects” at each important juncture in order to master advanced concepts.

Who Should Attend

Mold designers, tooling engineers and toolmakers, product designers, buyers, molders, and managers.

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Benefits and Learning Outcomes

  • Understand advanced parting line, shut-off development, advanced slide and lifter design
  • Learn to do advanced cavity and core inserting
  • Analyze your current issues regarding the subject matter

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Course Outline/Topics

Introduction and Overview

  • Course objectives

Molding Surface Tolerances

  • The various fits in a typical mold
  • The tolerances that should be maintained
  • How the product tolerances affect tool tolerances
  • How it affects mold cost

Mold Strength and Preformance

  • Understanding the forces acting against a mold
  • Various calculations
  • Designing for strength and longevity

Mold Alignment and Interlocking

  • Various methods of insuring mold alignment
  • Balancing of forces in a mold
  • Core shift causes and fixes
  • How it affects mold longevity

Advanced Parting Line and Shut-off Development

  • A detailed look at shut-off designs
  • Contoured and stepped parting lines
  • Common product design errors that complicate parting lines
  • Examples of complex parting lines

Advanced Slide and Lifter Design

  • When to use a lifter instead of a slide
  • Methods of slide actuation
  • A look at the forces involved
  • Proper heel block and gib design
  • The use of springs with slides
  • How and when to delay slides
  • Dual action slides
  • Designing slides for low maintenance
  • Determining slide travel
  • Alternate methods of molding undercuts
  • Collapsible and expandable cores

Advanced Cavity and Core Inserting

  • A thorough look at every aspect of inserting
  • Criteria for deciding whether or not to insert
  • Pins and other round inserts
  • Inserting slides and lifters
  • Laminated and gate inserts
  • The economics of inserting
  • Assembling of inserts
  • Quick change inserts

3D Modeling and Mold Design

  • Improving translation between CAD systems
  • General problems with CAD exchange
  • Tips and tricks
  • Translation options

Mold Monitoring

  • Pressure transducers
  • Thermocouples
  • Proximity and limit switches
  • Vision systems

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This program can be applied toward the:

Completion of Plastic Injection Mold Design Basics or a solid knowledge of the subject matter.
Thu. & Fri. Oct. 22-23
Location: UWM School of Continuing Education (Click link for directions)
Instructor: John Vosmeier
$990: Register by Sat., Aug. 22
$1090: Register on or after Sun., Aug. 23 Discount Available
CEUs: 1.4/PDHs: 14
Enrollment Limit: 40
Program No. 4830-8270
Registration Deadline: Thu., Oct. 22
Register Now
Thu. & Fri. Apr. 28-29, 2016
Location: UWM School of Continuing Education (Click link for directions)
Instructor: John Vosmeier
$990: Register by Sun., Feb. 28, 2016
$1090: Register on or after Mon., Feb. 29, 2016 Discount Available
CEUs: 1.4/PDHs: 14
Enrollment Limit: 40
Program No. 4830-8269
Registration Deadline: Thu., Apr. 28, 2016
Register Now
For more information, contact:
Marcia Gabriel,, 414-227-3378
Murali Vedula,, 414-227-3121


Fall 2015 Plastics Engineering Brochure
Plastics Brochure
Or download the pdf

Plastics Technology Certificate
May 2015
Congratulations to

Kyle Zufelt

for receiving UWM's Plastics Technology Certificate.