... structure.A slip ring is also calleda rotary electrical interface,collector,swivel,or a rotary joint. A slip ring can improve ... require lubrication and produce virtually no wear debris.Applications:Rotary index tables,machining centers etc industrial machineryCable reelst,est ... ,emergency lightingDisplay/Medical equipment,Exhibit equipment Slip ring MDJ2578/Rotary Joint/Current Collector with CE RoHS