What is a Solenoid?
In its simplest terms a solenoid is a device that converts electrical energy into mechanical movement. Two quite different designs are used to achieve linear or rotary actuation.
Solenoids are usually integrated into a device that in turn, can clamp, position, switch, latch, lock, release, hold, divert etc. The movement of the solenoid is usually small with strokes 1-100mm, and angular rotations of under 95°.
Simpler than an electric motor, and easier to control, solenoids can be very fast. For example a linear movement of 2mm or rotary travel of 45° can both be achieved in under 10ms. Well constructed solenoids are manufactured to exceed a 10 million cycle operating life.
The majority of applications call for a solenoid which is special in some way, but which does not require major engineering. The duty cycle or operating voltage, the mounting, the return spring, the plunger end design, the electrical connections and insulation may all be specified to suit the customer. A solenoid manufacturer's job is to be able to provide the right product for a given application quickly and cheaply where possible. This is done by utilising a standard design and adapting it. Sometimes there are applications that need a totally unique design and we have the engineering experience to provide the solution.
The Solenoid Company range includes both linear and rotary products that will suit the widest range of applications. Our "solenoid assistant" describes more, whilst our solenoid glossary defines some of the terms used in some detail.
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