Miki Pulley Expands Range of BXR-LE Brakes
Efficient power-saving braking for mobile robots is critical to minimize battery charging downtime. The new larger size Miki Pulley BXR-LE brakes are ideal for factories and similar applications using mobile robots.
These new BXR-LE brakes provide exact sequential motion and timed positioning. They apply holding torque after the motor joint stops and provide dynamic braking in the event of an emergency, such as a power interruption.
The Miki Pulley brake opens and allows for free rotation during robot movements and snaps closed when power is disengaged, thus halting position of the robot. When the robot is in position for long periods of time, the brake consumes no voltage. The brake’s internal compression springs mechanically hold the armature plate against the rotor disc, ensuring no movement. When voltage is re-applied, the brake opens and allows for free movement.
The new power control module on these new brake sizes continuously steps voltage down from 24 V to 12 V to mitigate power usage and heat buildup.
These Miki Pulley brakes are a cost-effective safety device for all types of mobile robots including cobot systems. They are a positive “halt and hold” device to mitigate potential mechanical damage to an automated system.
An important operating feature: when compared to most other electric brakes, the unique Miki Pulley brake design is one-half the overall size thickness.
Specifications include three new sizes (06, 08,), maximum rpm of 5,000, static friction torque range of 0.044 ft.lb. to 2.36 ft.lb. (0.06Nm to 3.20 Nm and an ambient operating temperature of 14°F – 104°F (-10°C to 40°C).
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