本科论文目 录摘 要...................................................................................................................IAbstract...............................................................................................................II引 言...................................................................................................................11 滚刀式铡草机介绍...........................................................................................21.1 研究目的及意义....................................................................................21.1.1 研究的目的.................................................................................21.1.2 研究的意义.................................................................................21.2 国内外发展现状....................................................................................31.3 滚刀式铡草机的特殊要求....................................................................32 滚刀式铡草机设计方案的确定.......................................................................42.1 传动方案的确定....................................................................................42.2 结构方案的确定....................................................................................53 主要零、部件选择与设计...............................................................................63.1 电动机的选择........................................................................................63.2 动刀螺旋角的设计................................................................................63.3 喂入辊的设计........................................................................................73.4 定刀的设计............................................................................................93.4.1 定刀的高度确定.........................................................................93.4.2 定刀刃口形状的确定....................................................
