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Lorries and other transportation vehicles are the backbone of the logistics industry – without large scale transport it is impossible to move goods around the supply chain and to their final destination. Lorries take items from suppliers and distributors to other companies who sell or deliver the goods to the customer, and transportation is required for this stage of the process as well. In order to effect swift and efficient loading these vehicles reverse up to a loading dock, which is built...
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As designers and manufacturers of the highest quality hydraulic parts we are very proud of our mini hydraulic power packs, which can be driven from 12 or 24-volt direct current (DC) supplies. Our OEM customers rely on our consistency and quality to build functional and reliable equipment, including tail lifts, tipper trucks and trailers. Typically, our 3kW output motor, which relies on a 24v DC supply, is used to raise and lower the ramps of trailers used to transport heavy equipment. The nature...
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Hydraulic systems sometimes have a manual relief valve integrated into the design. This valve relieves built up pressure and is usually deployed when the mechanical system fails at some point and stops the pressure being relieved automatically according to the normal operation of the equipment. Essentially it is a safety feature that does not rely on a mechanical or electronic process but on human interaction which over-rides the system, returning the machinery back to an idle position. In ca...
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Hydraulic pressure is most often used to create, fabricate and produce items, from refining oil to building homes and even maintaining cars, but not all uses of hydraulics are productive; some hydraulic machinery is designed to break items like locks and metal frames. The emergency services are one of the biggest users of destructive hydraulic equipment including the Jaws of Life, which are used to cut and stretch mangled vehicles, and lock breaking devices used to gain access to buildings.
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The America's Cup is the world's largest sailing event, involving yacht clubs from around the world. The event has been running since 1851, and has seen the introduction of cutting edge sailing technology over the last one and a half centuries that it has been competing. The foiling catamarans, examples of precision engineering at its finest, are manoeuvred by six people who control the sails, the foil, the wing and rudder. Each boat is broadly similar, as the design, shape and size i...
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If you're reading this then the operation of hydraulic motors is probably no secret to you, but perhaps the people you work with or machine operators struggle to grasp exactly what is happening inside the equipment, and more importantly, why? We have put together a short, user-friendly guide to hydraulic motors that can serve as an educational tool, for those not in the know and will hopefully reduce the number of repeat questions you have to answer.
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AC motors run on alternating current delivery, exactly as domestic electrical power is delivered to the home. Both the voltage and frequency are different across the world, and appliances designed for sale in a particular country must be able to cope with the power supply in that area, as using the wrong type of appliance with the wrong power supply could cause a fire or electrocution. It might be annoying having to take travel adaptors to different countries (especially so if you forget it with...
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Electrohydraulic steering systems have been commonly used in passenger vehicles since the 1980s, as solely hydraulic steering systems started to fall out of favour when electrical components in cars became the norm. Electric windows and sunroofs replaced manual versions, and in high end cars even the seat adjustment mechanism moved from a manual operation to an electrically operated system. The presence of electrical circuits in passenger vehicles led designers and engineers to explore how ele...
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When replacing hydraulic fluid, it is tempting to believe that the new oil will be clean and free of contaminants, and that it can be put straight into the reservoir without any problems. Unfortunately, this is not always the case. If you use hydraulic oil from a large drum, there is a high chance that it already contains some water and dirt particles; new hydraulic oil typically has a cleanliness level of ISO 4406 23/21/18, which is more than most hydraulic systems will tolerate. If the syst...
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Changing the filter element in your hydraulic machinery is a very important part of routine maintenance and for this reason it is often tacked onto a schedule and done at a set time, usually determined by the number of hours it has been in service for. Changing filter elements, wherever they are situated in the hydraulic loop, needs to be done in order to keep the fluid as clean as possible to therefore prolong the life of the components in the system, however, getting the timing right to ensur...
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