Generation II Profile Rail Brakes


Nexen’s RB Series of linear profile guide rail brakes use spring force to secure the load in holding applications. Superior response time and high force for stopping and holding in e-stop and power-off situations. Each RB brake clamps directly onto the center of the guide rail to provide positive braking and holding in all axes, with no effect on bearing surfaces. These profile rail brakes hold position accurately by reducing drive train backlash and elasticity. Nexen’s RB Series is engineered for dependable performance. With a revolutionary set of patented features, the RB Series provides an industry leading braking solution for linear profile guide rails. If personnel safety is required, an unrelated, redundant safety system is recommended.


Benefits include:

  • highest spring engaged/air released holding force on the market
  • provides stiffness and eliminates vibration in linear drives
  • brake geometry is similar to linear bearing cassettes for easy installation
  • field serviceable friction facing replacement
  • ideal for power-off, e-stop and holding applications
  • low backlash for accurate position holding
  • large clearance between brake and rail compensates for installation misalignment
  • no lubrication or periodic maintenance required
  • models available to most common profile guide rails
  • large friction facing contact area for consistent performance and low rail wear
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