Taylor-Winfield Technologies, Inc.

LEVERAGING CAPACITOR POWER

LEVERAGING CAPACITOR POWER

Capacitor Discharge Welding (CD Welding) is the fastest form of resistance welding and utilizes capacitors to deliver the power to the part. Capacitors are charged with large amounts of energy. Then, the energy is rapidly released into the parts within milliseconds.

An example of a simplified CD welding circuit is shown below. As the capacitor is charging S1 is closed and S2 is open. Once the capacitor is charged to the desired value, S1 will open and S2 will close releasing all the energy into the part.