PROCESS EQUIPMENT UPDATE Electric motor manufacturer


Johnson Electric has developed a fast rotary actuator designed specifi cally for divert motion in sliding shoe sorters. The unit, known as ‘Solligence’,


delivers actuation times as low as fi ve microseconds – faster than a bolt of lightning. It can also perform more than fi ve complete cycles in less time than a person blinks.


DESIGNED TO OVERCOME OBSTACLES Although shoe sorters have been a staple of the warehouse automation industry for decades, increasing their performance has posed signifi cant challenges. The Solligence fast rotary actuator was specifi cally designed to overcome long-standing obstacles, including divert speed limitations, heavy electricity use, equipment health, unpredictability, noise, heat, unplanned downtime, and more. The unit integrates sensing


capabilities to create closed-loop controlled motion, providing motion assurance for critical shoe sorter


applications and data output that optimises system performance. “Throughput is often reduced as


components age, but the artifi cial intelligence embedded in the technology ensures consistent performance over time,” said Vincent Sallé, VP business development of Johnson Electric. “Solligence monitors the motion profi le multiple times every second, adjusting for wear, so there’s no loss of speed.” The unit also triggers an alert when


it detects wear that could cause a failure, preventing costly unplanned downtime. We can detect abnormal events on the product and anticipate when something is going wrong.’” Sallé said. Because Solligence is a bistable


actuator, power is only required to change positions; home or divert positions can be maintained without it. This signifi cantly reduces heat dissipation, allowing for faster continuous-duty operation. The unit’s low voltage and current requirements (averaging less than 1.2 amps under standard operation) reduce


installation and energy costs, enabling narrower-gauge wire and smaller, less expensive power supplies to be used. Integral onboard energy storage


allows power to be slowly ‘sipped’ from the main bus during the entire cycle, actuating the solenoid with bursts of power to generate high velocity as needed. The integrated drive unit eliminates the needs for an external solenoid driver, control box and assembly labour. Solligence fast rotary actuators


generate minimal impact energy when activated, enabling a service life rating of 25 million cycles or more, this is longer than the expected life of most modern sortation equipment. This also makes the operation quieter. Units do not require lubrication, adjustment nor maintenance for their entire lifecycle. Actuators come fully pre-programmed with auto-calibration enabled, simplifying installation.


For more information visit: www.johnsonelectric.com


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