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Based on the theory analysis and the tests of working resistance of root cutting shovel,the authors gained the level of main technological parameters of root cutting shovel;the authors also studied on the arrangement of raking film tooth,the results indicated that the array of raking f.

对切根铲工作阻力进行了理论分析,并通过试验获得主要技术参数;同时,搂膜齿排列试验结果表明,搂膜齿的排列方式对搂膜率有一定的影响,最后一排的齿密度越大效果越好,但排列过密容易壅土,齿间距最小约为110 mm;通过综合试验,确定了悬挂式棉秆粉碎还田搂膜机的主要技术参数的较优水平组合;切根铲工作深度H为4～5 cm、提升角(或碎土角)β为16°、机具前进速度V为6。