Pancake slip rings has been designed primarily for the transmission of signals, but has now been developed to accommodate power transmission also. Fine brass rings are used for signals and can be plated with silver, gold or rhodium where low contact resistance and low noise levels are required. The best results are obtained when these precious metal surfaces are used in conjunction with silver-graphite brushes. These units are suitable for slow speed only when fitted with brass rings.
For power transmission, larger section brass rings can be fitted for slow and medium speeds, and phosphor-bronze rings for high speeds. Mixtures of signals and power rings can be accommodated in this very adaptable range, and the appropriate cartridge carbon brush holders can be supplied, either loose for separate mounting or fitted into moulded carriers.
Enquiries for face type slip ring units should be keyed to the outline drawing above, and required dimensions listed against dimension identifications given.
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