The classification of lightweight technology is analyzed,on the basis of which structural de-sign,material and process of the technology is clarified.The EDEM software and its roles are introduced in lightweight designing and its application in testing the indexes of soil-touching parts of agricultural ma-chines.Rotary tiller is cited as the main component of the agricultural machine,with simulation carried out by EDEM discrete element software.Results show that maximum stress position of rotary tiller is at the main cutting edge and close to the bending of the tool.Addition of new materials or coatings at the po-sition can achieve lightweight effect and increase service life.
lightweight technologyagricultural machineryautoEDEM discrete element simula-tionrotary tillage
维普
万方数据
