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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.


Each topic covered includes some basic well-known aspects of rubber mold design and also touches on some lesser-known rubber mold design techniques and concepts. The novice rubber mold designer will be overwhelmed with useful design information and the seasoned practitioner will find plenty of valuable bits of information well worth the day.

The instructors draw upon their combined extensive career knowledge for this material, inviting and encouraging the attendees to participate in a workshop format presentation by addressing their questions and specific rubber mold design applications. Attendees are encouraged to bring drawings or parts giving problems in production for discussion by course instructors.

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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.

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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

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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

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This program can be applied toward the:

Wed.-Fri. Nov. 4-6
Location: UWM School of Continuing Education (Click link for directions)
    Van T. Walworth, Adjunct Faculty
    Terry L. Chapin
$1090: Register by Fri., Sept. 4
$1290: Register on or after Sat., Sept. 5 Discount Available
CEUs: 1.8/PDHs: 18
Enrollment Limit: 40
Program No. 4830-8248
Note: Class ends at 5:00 p.m. on days one and two and at 2:00 p.m. on day three.
Registration Deadline: Wed., Nov. 4
Register Now
For more information, contact:
Marcia Gabriel,, 414-227-3378
Murali Vedula,, 414-227-3121


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