| 摘要 |
PURPOSE: An ultrasonic tool for ultrasonic vibration joining is provided to achieve weight reduction and the shortening of the distance between both supports. CONSTITUTION: Square joining action parts(3, 4) are formed in the upper and rear surfaces of a horn body(2) at the maximum vibration amplitude point of the center of the horn body(2) so as to outwardly protrude from the horn body(2) and bent support parts(5 to 8) are formed in the front and rear surfaces of the horn body(2) in a protruded state at two minimum vibration amplitude points separated from the joining action parts(3, 4) by the same dimension on both sides of the horn body. By this constitution, the work space to members to be joined can be ensured without being narrowed by the support parts(5 to 8) and weight reduction and the shortening of the distance between both support parts can be achieved.
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