by Ken Holt, Herrmann Ultrasonics, Inc. The purpose of this article is to explain the ultrasonic welding stack: what the components are, what they do, and the specifications and technology used in terms that an engineer just getting acquainted with the process can understand easily. Some familiarity of the ultrasonic welding process is assumed, as this article is not intended … [Read more...] about Exploring the Ultrasonic Welding Stack
2010 Apr/May
The Science of Solving Plastics Adhesion Problems: Contact Angles Surface Wetting Chemical Activation
by Scott R. Sabreen, The Sabreen Group, Inc. Polymeric adhesion bonding problems are pervasive throughout the plastics industry. Two- and three-dimensional products often include bonding plastic-to-plastic, plastic-to-metal, plastic-to-composite, optomechanical, and more. Adhesion bonding applications are not limited only to adhesives (epoxies, urethanes, acrylics, silicones, … [Read more...] about The Science of Solving Plastics Adhesion Problems: Contact Angles Surface Wetting Chemical Activation
IML Solutions: Five Experts Share Advice
by RenĂ©e Varella In a recent survey of molding companies involved in in-mold labeling, nearly 86 percent said that their involvement with IML applications consist of being "responsible for bringing productivity solutions to my company." The respondents also indicated that the issues they face in IML range from misaligned labels (82.4 percent) to high-voltage arcing when the … [Read more...] about IML Solutions: Five Experts Share Advice