PCB slip ring is low-cost,easy to install,usually separate structure,adapted to work less time or intermittent operation of the environment. There are 2 parts for this kind of slip ring - surface of the ring and the brush assembly. Thick copper layer PCB is used for surface of the ring,and then the plating process of copper and hard gold,so the PCB slip ring has a high hardness and good wear resistance. The brush assembly is composed of military grade alloys brush block and heat-treated beryllium copper shrapnel,so it has the characteristics of low contact resistance, self-lubricating, Less friction dust. This kind of slip ring is simple structure, less process, short delivery, batch fast, and easy customization. We have many kinds of this product type. Please contact our technical staff for more information.