Schweissanordnung zum Herstellen von Endlosbander

摘要

There is provided a method and apparatus for adjoining two ends of a length of impact printer ribbon to form a continuous loop of ribbon. A welding fixture (100), including a welding anvil (104), ironing anvil (106) and ultrasonic horn (170) are provided to join the ribbon ends. Tensioning slides are provided to grip the ribbon ends and tension the ribbon during welding operations. A microprocessor controls a series of pistons, switches and solenoids to control the welding sequence.