Ultrasonic Welding Guidelines for Eastman Tritan Copolyester

This guide provides detailed recommendations for ultrasonic welding applications involving Eastman Tritan™ copolyester, particularly for thin-walled parts. It outlines the necessary equipment specifications, including power requirements for ultrasonic welders, such as a 2000–4000-watt generator and specific converter frequencies. The document emphasizes the importance of joint design, suggesting preferred configurations like tongue and groove joints with a 60° energy director. It also discusses the benefits of texturing the mating surfaces to enhance weld strength and reduce energy consumption. Additionally, the guide highlights the need for stabilization of parts during the welding process to prevent misalignment and ensure effective energy transfer. It notes that successful welding requires collaboration between design engineers and equipment suppliers, as modifications to part design and welding processes may be necessary when using different materials. Overall, the document serves as a comprehensive resource for optimizing ultrasonic welding processes with Tritan copolyester.