Soldering Brass Slip Ring

Objective

To heat 1 3/4", 3" and 6" diameter brass slip rings and a sheathed copper wire assembly to 360 °F for soldering within 3 to 6 seconds.

End Product

Brass Slip Ring

Equipment

Ambrell 3kW output solid state induction power supply including 1 remote heat station containing 1 1.0 µF capacitor, a 4-20mA input for fast ramp simulation, and a unique four-turn "ear muff" style coil

Materials

303 brass slip rings of 1 3/4", 3" and 6" diameters, sheathed copper wire assembly, resin core solder, 37% Pb, 63% Sn.

Temperature

375 *F

Frequency

265 kHz

Testing

Currently production is accomplished by using a soldering iron and stick feeding rosin cored solder. This process leaves unwanted solder on the side of the slip ring where the soldering iron makes contact. The customer would like to see an increase in joint quality without sacrificing time

Benefits

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