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UNIVIB Ltd is a limited company registered in England, number 6398939 - VAT No. GB 920 3672 44



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UNIVIB can also supply its computerised vibration monitoring system known as AVAS configured for application to tension levelling machines - visit the AVAS for levellers page
The nature of the machinery is such that is all too easy to introduce large, poorly damped resonances into system when the strip is under tension. On-site investigations typically involve 3 or 4 days measurement and analysis and we regularly rely on modal analysis to determine the cause of the system resonances. Over a dozen tension leveller investigations have been carried out and these have almost always led to a solution to the problem - whether this be through selection of optimum operating parameters, identification of worn components or simple structural modifications to reduce resonances
UNIVIB engineers have been commissioned to investigate numerous strip chatter problems associated with the levelling and flattening process in both the steel and aluminium industries. Our experience is that, in addition to issues associated with the basic condition of the machinery, whether or not marks are input at this stage can sometimes be a function of the basic design of the equipment.
When you have spent so much time, money and effort to ensure that your roll grinders, texturing machines and rolling mills process your aluminium or steel strip with the highest possible quality surface finish, the last thing you want to happen is that the quality is degraded by chatter marks introduced in the levelling or flattening machines, these usually being one of the last machines to process the finished product. However, this is exactly what happens on a surprising number of occasions!