Brushless ROTOCON Rotary Ground vs. a Carbon Brush Block | Presented by Meridian Laboratory

Just how bad is your rotary ground performing?
This video showcases a head-to-head of the Brushless ROTOCON ERG-400 vs. a Carbon Brush Block.
How does one electrically ground a rotating workpiece or application that utilizes high current, and why is it necessary? Where can one utilize a ROTOCON, or any type of rotary ground, in a rotating application?
A rotary ground is commonly used in numerous applications, including welding, plating, semiconductor, and other typically high current processes have a positive electrical current and a negative electrical current (more commonly referred to as the “ground”). Electrical current passes into an object, through it, and then exits via an equally rated wire or cable, returning back to the grounding point.
While the applications listed are some of the more common examples, there are countless others that require electrical current being transferred from rotating to stationary or vice versa, which makes a quality slip ring or rotary ground essential for optimal performance in the system.
Meridian Laboratory has engineered and manufactured the world’s foremost rotary grounding solutions since 1963. During this time, we have provided quality grounding solutions to both simple and complex applications worldwide, all with the same goal of providing consistent current delivery, without maintenance or adjustment necessary. While the goal is to effectively and efficiently transfer current through or to a rotating device, exactly how this is achieved varies greatly in complexity, performance, reliability, and repeatability.
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0:00 Introduction
0:05 Testing Set Up
0:51 ROTOCON ERG-400 Performance
1:33 Carbon Brush Block Performance
1:55 Conclusion