roller puller device, method of determining the distance of a working roller puller and control method

摘要

patent abstract: "roller extractor device and method". The present invention relates to a roller puller device comprising a puller (26, 27) mounted on a puller holder (4); a sensor (47, 47a); and a processor in a control system (48). the sensor is adapted to provide a measure of the distance to a work roll (21) and the processor is adapted to determine the position of a puller tip (42) relative to the work roll using the distance provided by the sensor (47, 47a).