Visit for current protocols and updates.


Molding of Rubber and Design of Rubber Molds

Learn the fundamentals of molding rubber mechanical goods and designing their rubber molds with no reference to the molding of tires. Review applicable molding methods with emphasis on compression, transfer and injection processes. Bring drawings or troublesome parts to address real-world issues during class.

This course can be applied to the following certificates:
Elastomer Technology Certificate
Plastics Technology Certificate


Terry Chapin

Terry Chapin

Terry Chapin received his B.S. from Youngstown State University in Youngstown, Ohio in June 1980. He majored in mechanical engineering and minored in math and civil engineering. After 33 years, he retired from Delphi as a senior materials engineer, working ... read more

Van Walworth

Van Walworth

Inventioneer – Consultant – Idea Guy – Rubber Whisperer Van Walworth is the president of Research & Design Specialties, Inc., based out of the Nashville, TN area. Walworth’s professional career spans over three decades as a practitioner of product R&D, ... read more

Who Should Attend

Materials and process engineers, rubber mold designers, quality control personnel and managers of these functions. Companies benefit by sending teams of these personnel since their ability to work together is so important in an efficient design and manufacturing program.

Benefits and Learning Outcomes

  • Gain an integrated perspective on rubber molding and design of rubber molds
  • Understand current principles and techniques in the design of molds and molded part design
  • Explore useful design information – valuable for beginners and seasoned practitioners

Course Outline/Topics

  • Basic Rubber Material Overview
  • Basic Overview of Molds and Molding Processes
    • Compression
    • Transfer
    • Injection
  • Overview of Presses and Molding Equipment
  • Basic Mold Construction
  • Mold Steel and Finishing
  • Cavity Inserts, Cores and Core-Bars
  • Gates, Venting and Vacuum
  • Runner Layouts and Cross-Sections
  • Runner Design Techniques
  • Flashless Molding Techniques
  • Wasteless Molding Techniques
  • Special Prototype Mold Designs
  • Rubber to Metal Bonding and/or Over-Molding
  • Mold Operation Techniques
  • Tolerances for Parts and Molds
  • Design for Manufacturability (DFM)
  • Troubleshooting
  • Workshop Sessions with Q&A

Date: Mon-Wed, Oct 24-26

Delivery Method: In-person With Livestream

Time: 8am-5pm CT

Location: To Be Announced or view on Canvas

Terry Chapin
Van Walworth

Fee: $1,390

CEUs: 2.0, PDHs: 20

Enrollment Limit: 25

Program Number: 4830-14378

Note: Class starts at 8am and ends at 5pm on days 1 and 2. Class starts at 8am and ends between 3-4 pm on day 3.

Registration Deadline: Oct 20

Register Now


Join Our Email List

Get the latest on courses and certificates in your areas of interest.