A drive towards improved performance and productiv

A drive towards improved performance and productivity Swedish company Hagglunds Drives the hydraulic motor and drives systems manufacturer claims to have become the first drives supplier to offer customer performance and productivity rather than just products. Hagglunds Drives are well known for their wide range of large radial piston motors which do away with the need of a gearbox on low speed applications. They also provide an attractive package of power units and controls which means they can offer a complete drive system for applications as diverse as mills, mixers, winches and feeders. Hagglunds have been very successful in their field and an important competitive advantage that has led to this success is the investment in customer relationships which the company feels has resulted in a rich knowledge of their customers plant, processes and business generally. This market knowledge is invaluable in selecting, sizing, customising and applying drives in areas such as mining, bulk materials handling, process industries like chemical, pulp and paper, rubber and plastics, minerals as well as steel, recycling, marine, fishing, offshore and dredging. But being ahead of the game in this respect requires constant business development and Hagglunds feel the time is right for the next step, to move forward past supplying products, even complete drive systems and progress to marketing customer performance and productivity. Hagglunds long experience and knowledge enables them to be supremely confident about the performance of their drives and so this gives them the opportunity to talk more it terms of the customer needs. Then how the drive can be used to optimise the performance and therefore be more profitable for the customer. This entails applying drive and control techniques which have been tried and tested over many years and can be applied to any process to gain competitive advantages. The Hagglunds Drive concept enables this because the unique driving force efficiency means you can adjust speed from zero to maximum without any worries about the driving force. Full torque is always available, indeed at any time, the driving force can increase to more than 200% of nominal to accommodate unusual peaks in demand such as on a shredder processing a particularly hard piece of material. More than this, the drive has four quadrant characteristics which means that it can both drive and brake in both forward and reverse in it’s standard form, so even extremely tough applications, within the speed limits are handled efficiently. Further, because gearboxes are eliminated the inertia of the drive is almost negligible compared to the electro-mechanical equivalent, with their high speed high inertia characteristics. This gives the Hagglunds Drive a big advantage in control techniques and drive response and has the added benefit of being truly shock resistant. That means you can apply them on tough machines like mills and shredders with no worries about the loading conditions because with extremely fast pressure control the machine is protected from unusual forces by the hydraulic system, so eliminating down time due to broken shafts and gears. Full attention then can be given to plant optimisation and control, rather than drive design. This is where knowledge over many years comes in useful. How to integrate plant to optimise the machine performance by sensing upstream and downstream conditions, machine loading and conditions along with criterion such as process needs and production requirements. And lets not forget if operators are involved, although these are being designed out now, how to make their job safer, more comfortable and more reliable. Hagglunds can provide all this with an unrivalled product range which makes selectin

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