Abstract. DEFORM-3D is a finite element method (FEM) software that can perfectly simulate cutting process of materials. In order to research the cutting process of titanium, using DEFORM-3D software as a platform, through FEM on modeling and simulation to the cutting of TC4, the influence rule of cutting depth on cutting force was got with analysis. In addition, cutting force experiment was carried out to validate the accuracy of DEFORM-3D simulation. The results of research show that predicted cutting force values of DEFORM-3D has good accuracy.
The author analyzes harvesting process and harvesting approaches of garlic, summarizes research status of garlic harvesters at home and abroad, discusses problems existing in garlic harvester researches at home and abroad and indicates development trend of garlic harvesters, thus providing references for development of garlic harvesting technologies in China.
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