Write four field applications of screw jack
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Screw jacks are sometimes misunderstood and overlooked as a method of creating controllable linear motion. Jon Severn provides an overview of these useful mechanical actuators and takes a look at some recent developments in this field.
Screw jacks are an ancient concept but just as relevant today as ever before. For the right type of application a screw jack - or a set of screw jacks - can provide smooth, controllable linear motion by operating a motor, which is usually electrical though it can also be hydraulic or pneumatic.
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