COLLECTOR COLUMNS FOR HALF-BRIDGE SCRAPERS & CLARIFIERS:
Collector Columns / Slip Rings:
A BGB collector column / slip rings primary function is for the transfer of power & signal from stationary cables from the axis of rotation to the rotary scraper bridge. The slip ring transfers power to the scraper bridge drive motor and bridge mounted control panels to allow the scraper to travel continuously through 360 o .
The rings are usually phosphor bronze but can be silver, gold or rhodium plated. The number of rings required depends on client specification and are usually in multiples of two. Brushes are used on the rotational side of the unit, with the brush material being copper or silver graphite depending on application.
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