The tension fluctuation of steel cord take-up affects steel cord quality directly.It is very important to choose control way of tension.Some common control ways of take-up are illustrated,and its control principle,advantages and disadvantages are analyzed,structure diagram is given out.Mechanical frictional type tension take-up realizes constant tension take-up by adjusting disc spring pressure,friction disc wears easily and maintenance cost is high in using;permanent magnet type tension take-up realizes co...