Method of controlling the power of a welding unit in ultrasonic welding operations and an arrangement for carrying out the method
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United States of America Patent
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May 12, 1998
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N/A
app pub date -
Dec 13, 1995
filing date -
Jun 17, 1993
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Abstract
A method and device for controlling the power intake of a welding unit (1) with an ultrasonic horn (2) and an anvil holder (3) equipped with anvils (4). The mean distance of the ultrasonic horn (2) from the anvil (4) is controlled so that the power intake of the welding unit (1) will coincide with a predetermined control value.
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