ナイフ状刃物による切断加工に関する研究 (第2報)
有限要素法による切断材料の分離シミュレーション
1997 年 63 巻 1 号 p. 70-75
詳細
1997 年 63 巻 1 号 p. 70-75
Mechanical properties of sweet potato are examined experimentally by compressive tests. And the computer simulation is conducted using FEM, on the separating process that sweet potato is cut by a knife-edged cutter with flat blade. The results obtained are as follows : (1) The calculation result almost corresponds to the process which sweet potato is separated by the preceding crack caused by a cutter except initiation. (2) The variety of cutting force is also the same as the experiment on each blade angle of a cutter. (3) In calculation, the effect of blade angle on two factors, the peak of cutting force and the cutting energy, is similar to the experiment. But both calculated values are higher than the experiment due to the high frictional coefficient between the separated surface and a cutter, which is obtained by a simple frictional test.
