Electric heating – Metal heating – For bonding with pressure
Patent
1996-06-24
1998-11-03
Mills, Gregory L.
Electric heating
Metal heating
For bonding with pressure
219 67, 2191171, B23K 1114, B23K 1124
Patent
active
058312358
ABSTRACT:
An apparatus and method for welding a bracket to a tube are disclosed. A bracket having a semi-cylindrical portion with an inner surface and a radially inward projection extending from the inner surface is positioned adjacent to a tube with the semi-cylindrical portion of the bracket coaxially nested about the tube and with the radially inward projection engaging the tube at a faying surface. A resistance welding apparatus having a controller, an actuator, and a power supply is then provided. The power supply is coupled to the bracket and the tube through respective electrodes. A transducer cooperates with the electrodes to provide an output indicative of the position of the electrodes. A controller cooperates with the transducer and the power supply wherein the controller regulates the power output of the power supply as a function of the displacement between the electrodes to ensure that the bracket is properly welded to the tube. A tube and bracket assembly welded in accordance with the above described apparatus and method is also disclosed.
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