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In-Plant
Training Programs
Product Design & Development
Snap-fits, Press-fits and
Welding of Plastics
1-day seminar
Purpose
& Overview
This
seminar offers technical background for both the designer and engineer
to select the optimum joining process for your specific application.
It will follow the process to implementation in the design and then
carry the design successfully through to the manufacturing stage.
Your instructor will emphasize the importance of addressing one of
the most common and pertinent challenges in this area, designing with
plastic materials as opposed to metals. Learn how to utilize the advantages
plastics provide, and how to avoid the pitfalls of improper design.Detailed
examples of parts manufactured by each of the 22 major plastics processing
methods for 34 of the most commonly used plastics will be reviewed.
Your instructor will closely examine: design for disassembly, recycling,
cost reduction and complete elimination of joining operations.
Who Should
Attend?
Designers, engineers, engineering managers, purchasing
agents and others involved in plastic product research and development
will find this seminar invaluable in selecting and implementing
joining techniques.
About the
Instructor: Jordan Rotheiser
Jordan Rotheiser is a practicing plastics engineer
and industrial designer with over 30 years of experience in the
design of plastic products. Besides Joining of Plastics,
he has authored the chapter on plastics design in the Modern
Plastics Handbook, has been a guest columnist for Plastics
Design Forum and Plastics Engineering, has had articles
published on his work in other national publications.
Mr. Rotheiser holds a B.S. in Engineering and a B.F.A. in Industrial
Design, both from the University of Illinois. He worked for General
Motors, Abbott Laboratories and Compagnie de l' Esthetique Industrielle
in Paris before forming Rotheiser Design Inc., which specializes
in plastic product design. Holder of nine patents, he is a Senior
member of the Society of Plastics Engineers and has served the society
in many functions at the section, division and national level.
Seminar
Content
Designing
to Avoid Fitment Distortion •
Wall thickness • Inside corners • Ribs • Bosses •
Draft • Locators • Tolerancing
Snap Fits • Advantages and disadvantages • Snap
fit theory • Material selection • One-way and reopenable
snap fit design • Annular snap fits • Snap fit tooling
Press Fits • Advantages and disadvantages • Press
fit theory • Material selection • Creep • Loadings
• Press fit design • Design tips to permit looser tolerances
• Safety factors
Ultrasonic Welding • Advantages and disadvantages •
Process description • Application and design details for energy
directors • Shear joints • Stakes • Spot Welds •
Swaging
Hot Die/Fusion/Hot Plate, Hot Wire, Hot Gas, Vibration, Induction/Electromagnetic,
and Spin Welding • Advantages and disadvantages •
Process description • Joint design • Applications for
each of these processes
Attendees
will receive the textbook titled Joining of Plastics - Handbook
for Designers and Engineers by Jordan Rotheiser which will be
used as the seminar manual.
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