Transcription of In-Situ Roll Balancing - Bretech
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In-Situ Roll Balancing - Bretech
In-Situ roll Balancing : A REVOLUTIONARY METHOD FOR IMPROVING DRYER SECTION PERFORMANCE J Michael Robichaud, Bretech Engineering Ltd 70 Crown Street, Saint John, NB Canada E2L 3V6 email: ABSTRACT: As machine operating speed increases, unbalance forces increase dramatically, leading to equipment reliability and product quality problems. Correcting dryer unbalance presents significant technical challenges, due to slow rotational speeds and phase influence of nearby dryers. A revolutionary new technique has been developed, using regular maintenance shutdowns as the opportunity for incremental corrections. This approach has proven especially valuable during speed-up projects. This paper describes the challenges, solutions, and benefits of the In-Situ roll Balancing technique. KEYWORDS: Balancing , vibration, dryer INTRODUCTION In October 1995, Irving Paper Inc challenged Bretech Engineering Ltd to resolve an existing dryer unbalance problem.
IN-SITU ROLL BALANCING: A REVOLUTIONARY METHOD FOR IMPROVING DRYER SECTION PERFORMANCE J Michael Robichaud, P.Eng. Bretech Engineering Ltd 70 Crown Street, Saint John, NB Canada E2L 3V6
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