In a Paper Machine, the tensioner and the corrector play vital roles. The tensioner is used to adjust and maintain the appropriate tension of the paper web or other materials during the paper-making process. This ensures the paper moves steadily and prevents wrinkling or breakage. The corrector, on the other hand, is responsible for correcting the deviation of the paper web's running direction. It keeps the paper web moving in a straight and accurate path, thus improving the paper's quality and the machine's operational efficiency.