Product News: Mechanical Power Transmission

Spring Applied Brake serves as safety brake for robotic arms.

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Press Release Summary:

April 4, 2014 - Featuring low profile design to save space, BXR Spring Applied Brake may serve as emergency brake as well as holding brake. Unit is available with outer diameters from 3.287–7.280 in. and torque from 3.688–40.566 lb-ft. In event of power failure while using brake for robotic arms, compression springs engage and capture brake's rotor hub, immediately stopping arm movement. Additional features include single friction plate and smooth armature engagement that operates with no chatter.

Miki Pulley US

13200 Sixth Ave. N, Plymouth, MN, 55441-5509, USA

Original Press Release

Miki Pulley Introduces the BXR Spring Applied Brake to the US Market - Ideal Safety Brake for Robotic Arms

Press release date: March 28, 2014

Plymouth, Minnesota: Miki Pulley is introducing their BXR Spring Applied Brakes for direct sale to OEM's in North America. The BXR safety brake may serve as an emergency brake, as well as a holding brake. Its unique, low profile design is 2/3 the thickness of other brakes in our lineup. In addition to saving space, weight is also dramatically reduced. 

The BXR is an ideal safety brake for robotic arms. In these applications, when a catastrophic power failure occurs, robotic arm movement must be halted immediately to prevent mechanical system collapse and equipment damage. In the event of power failure using the BXR safety brake, compression springs engage and capture the brake's rotor hub immediately stopping arm movement.

Designed with a very thin profile, the BXR saves space in articulating joints. Idling wear is also reduced significantly because of its lightweight construction.

The BXR brake may also be installed on the output face of a servo motor, serving as a power-off holding brake. This can be an advantage when the overall assembly size must be contained in a small envelope.

Additional design benefits include a single friction plate, which provides fast response in high cycle applications.  Armature engagement is smooth, quiet, and operates with no chatter.  The BXR may function dually as an emergency brake and a holding brake.

BXR operating specifications are:
Brake torque: 3.688 ft. lb. - 40.566 ft. lb. (5Nm - 55Nm)
Brake outer diameter: 3.287 in. - 7.280 in. (83.5mm - 185mm)
Ambient Temperature: 14°F - 104°F (-10 °C - 40°C)

For more information about Miki Pulley Brakes, call Jon Davidson at 1-800-533-1731. Email: jdavidson@mikipulley-us.com
Miki Pulley US Sales Office, Zero-Max, 13200 Sixth Avenue North, Plymouth, Minnesota 55441-5509.  Fax: 763-546-8260.

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