Seeking better quality and lower costs, plastics processors are turning to welding for simple assembly and parts consolidation. Customer demand for aesthetics - no scuffing, tool, or handling marks, for example - challenge the welding process. In automotive applications where automation is a high priority, less expensive materials that contain additives and fillers can further complicate welding. Fortunately, both ultrasonic and laser welding can deliver just what the customer orders. Laser equipment is more expensive, but recent price drops have helped a bit. Review the latest trends as described by Modern Plastics.
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