Abstract
Single-side straight cutting of aluminum sheets is performed to investigate the effects of inclination angle, tool clearance and cutting-off length on loads, sheared surface qualities and deformation behaviours of the material, where the sheet is inclined with respect to the descending direction of an upper blade. The following facts are found with an increase in the inclination angle. The height of the smooth sheared surface increases when the tool clearance is small. Roll-over depth and height of burr decrease. Shearing resistance decreases as the result of an increase in tension acting in the direction perpendicular to a cutting line. The tension acts throughout the process in shearing of inclined sheet metals even when the cutting-off length is small compared with the sheet thickness.
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