The shearing mechanical properties of fresh lotus was determined in this paper, which provided vital basis for designing of lotus shelling machine. The results showed that the grade of fresh lotus seed did not significantly affect
shear rupture force and deformation. Moisture content had a significant influence on shear rupture force and deformation,
and showed a negative correlation; Within the scope of tested moisture content, shear rupture force changed between 9.5 N
and 63.6 N, and the deformation changed between 2.31 mm and 6.22 mm. Storage time did not significantly affect the
shear rupture force, but it had a significant influence on the deformation, and there was a positive correlation between
them; Within the scope of tested storage time, the deformation changed between 2.06 mm and 5.67 mm. Knife angle had a
significant influence on shear rupture force and deformation, and showed a negative correlation; the shear rupture force was up to a maximum of 50.1 N when the knife angle was 90°, and a minimum of 14.6 N when the knife angle was 60°. |