ANALYSIS OF DYNAMIC CHARACTERISTICS OF ROTATING CIRCULAR SAW SUBJECTED TO THERMAL LOADING AND TENSIONING

摘要

An analysis is carried out to investigate the dynamic characteristics of a tensioned circular saw. The analytical model is a rotating annular disc, undergoing plastic strain at a given temperature. By using the plate bending theory, the governing equations for the in-plane behavior during rotation and under thermal load and plastic strain and those for the resulting out-of-plane behavior are derived. Then, the solution of in-plane forces is obtained and the modal analysis is carried out. The in-plane forces and natural frequencies are calculated numerically to investigate the effect of tensioning conditions on them, and to find suitable tensioning conditions.