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Cathode rod oscillating unit is probably used form of agitation in the plating industry. In this method, the cathode rod (or sometimes the anode rod) is connected to a oscillating mechanism which slowly moves the back and forth over rollers fastened on the tank flanges, electrical contact is maintained by means of flexible welding cable or braided copper connectors. In this way the work move to and from at a rate sufficient to change the cathode film frequently and to shake off hydrogen bubbles, thus preventing gas steaking.
The cathode oscillating unit is specially for use with the electrolytes that requires some form agitation than air. A 152.4 mm. (6 inches) stroke is normal, and the crank disc is drilled so that a shorter or longer stroke can be employed if required by merely altering the fixing bolt attached to the disc.
Rollers are provided thereby promoting the easy movement of cathode rod, whilst the connecting rod between the negative bars and the motor is manufactured from insulating material to prevent electrical leakage.
The cathode oscillating unit requires a floor-foundation. The unit can be fitted on a tank in few minutes. The unit can be supplied to oscillate a single cathode rod or double cathode rods.
The above illustration shows the unit with cover. We also make vertical cathode arrangement.
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