Actuators just keep on going
A
Camcon Technology product story
Edited by the Engineeringtalk editorial team
May 29, 2003
A pair of Camcon's novel binary actuators has completed more than 11.5 billion operations in laboratory trials.
A pair of Camcon's novel binary actuators has completed more than 11.5 billion operations in laboratory trials.
Traditional actuator and valve technologies used in the control of liquids and gases typically have a lifetime characteristic of 10 million operations, meaning that the Camcon binary actuator offers a thousand times lifetime improvement.
Two binary actuators have been undergoing tests at Camcon's research and development facility in Cambridge since January 2002, with each actuator driven at 526 changeovers per second, equivalent to more then 30,000 times per minute.
To date neither actuator shows any signs of wear.
The Camcon binary actuator uses a patented design combining both permanent magnets and electromagnets, which minimises stress to the armature - the moving component within a binary actuator or valve that is typically the first component to fail.
The armature accelerates on the application of an electrical pulse through a magnetic field created by a pair of permanent magnets and then decelerates as its moves through an opposing magnetic field.
The thousand-fold lifetime improvement achieved by Camcon in its binary actuator design combined with its high-speed and low power characteristics means that it can be targeted at a range of gas and liquid applications where long life is critical, such as in remote locations.
"We are delighted with the result achieved in our laboratory tests.
The lifetime performance of the Camcon binary actuator opens up a range of applications that have previously not been considered", said Wladyslaw Wygnanski, inventor of the Camcon binary actuator and Managing Director, Camcon Technology.
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