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Virtual Panel Event about Industrial Connectivity

Virtual event


This 60-minute virtual panel discussion between industry experts will explore the intersection of connectivity (more)

UKIVA Machine Vision Conference



Join us on 15 July 2021 on the MVC Technology Presentation Hub and explore eight online seminar theatres. (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

06/10/2021 - 07/10/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Braking solution for linear motion guides

Braking solution for linear motion guides An innovative braking solution for positioning applications using linear motion guide bearings is available from Motion Drives and Controls. Nexen's RB series spring engaged/air released rail brake is designed to match the rail profile of linear motion guides from a wide range of manufacturers. The rugged and compact brake has similar dimensions to the corresponding bearing carriable and is simply mounted on the existing rail to provide a convenient means for fast response, emergency stop and power-off braking. The Nexen RB series profile rail brake is particularly suited to Z-axis vertically loaded positioning systems. The spring rail brake will provide full braking even under power failure conditions. The brake may also be used on leadscrew, ballscrew and belt driven positioning systems in place of rotary motor mounted brakes for a more compact solution with improved drive-train backlash and elasticity characteristics. Rail brakes can also be used for linear motor positioners and actuators. The Nexen RB range includes a unique facing gap adjustment feature than ensures maximum braking contact throughout application life. This feature also provides a convenient manual release mechanism to aid assembly and to simplify machine maintenance. The spring engaged brakes require a clean air supply of 5.5 bar for release and are capable of infrequent and non-cyclic dynamic braking such as emergency stops. The brake facings only contact the non-bearing rail surfaces and the design provides an equal pressure on both sides of the rail to minimise unwanted forces.

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