how to repaire slip rings

Sometimes, our slip ring is broken down, but how to repaire slip ring? 

Moflon will tell you all:

Reference Parts# of Slip Rings as below：
MP220 series Pancake Slip Ring
slip ring industry depends on economic situations
MT150248 series Through Bore Slip Ring
MUSB2381 series¨CUSB Slip Rings
Slip Rings for Generator & Wind Turbine
Slip ring for packaging machine

Others：
Pri: Next Moflon slip ring makes the traditional harvesters to be automated
Others:
An Insight Into Working Of A Slip Ring
High-speed Data Transmission and The Medium Used
Measurement and Observation at A Standstill For Carbon Brush Maintenance
Sliding Contact Integrity and Modern Slip Rings
Mercury Contact Slip Ring and Its Application
Different Type Of Slip Ring Assemblies