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Article: Assembly

Sensor Film Reduces Ultrasonic Welding Defects

Pressurex® pressure-indicating sensor film is an easy-to-use tool that reveals the distribution and magnitude of pressure between any two contacting surface. When placed between the horn and anvil of an ultrasonic welder, the film instantaneously and permanently changes color directly proportional to the actual pressure applied. Engineers determine the precise pressure magnitude by comparing color variation results to a color correlation chart. Pressurex is extremely thin and flexible, which enables it to conform to curved surfaces.

Pressurex® Pressure Profile after Image Analysis