QY series pneumatic-hydraulic edge guide controllers are developed with improvement by reference to the foreign similar products. In the light of the pneumatic-hydraulic servo tracking principle, the controller is based on the tracking technology of the function of automatic correction for deviation.
High in sensitivity, good in stability and convenient in operation, it asks for no special demand on the working environment and makes an automatic deviation correction for such basic matters as paper, film, board, belt and slice in the course of transmission. So the products are widely used in many trades for instance papermaking, plastic film, printing, packing, compound paint, cloth, cutting-apart, plate-making, foilmaking, leather-making, textiles, printing&dying, cigarette, wharf and assembly line belt etc.