Apparatus for welding components together with the use of ultras

Details Apparatus for welding components together with the use of ultras Apparatus for welding components together with the use of ultras

1988-02-18

1990-12-04

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1565802, 228 11, 228110, B29C 6508

Patent

active

049751336

ABSTRACT:
An apparatus for receiving components having overlapping surfaces and welding the components together with the use of ultrasound. An ultrasound emitter receives a high frequency current and converts it into mechanical ultrasonic vibrations having the same frequency. A transmitter transmits the ultrasonic vibrations to a sonotrode which focuses the ultrasonic vibrations on the components to be welded together. The sonotrode is provided with a circumferential collar and means are provided for lowering the collar during the welding process so that a part of the collar tangentially contacts the overlapping surface of one of the components. The part of the collar which tangentially contacts the overlapping surface introduces ultrasonic energy into the components. The ultrasonic emitter, transmitter and sonotrode are rotatably mounted via a vibration node of the transmitter. Means are provided for rotation of the sonotrode and movement of the sonotrode relative to the components such that the collar rolls over the components during the welding process.

REFERENCES:
patent: 3017792 (1962-01-01), Elmore et al.
patent: 3054309 (1962-09-01), Elmore et al.
patent: 3217957 (1965-11-01), Jarvie et al.
patent: 3224915 (1965-12-01), Balamuth et al.
patent: 3360850 (1968-01-01), Avila
patent: 3455015 (1969-07-01), Daniels et al.
patent: 3737361 (1973-06-01), Obeda
patent: 3955740 (1976-05-01), Shoh
patent: 4333791 (1982-06-01), Onishi
J. B. Jones et al., "Ultrasonic Welding", Published in Aircraft Production, (Dec., 1958), pp. 492-495.

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