，研磨作用越大。而磨机实际生产时，物料进入筒体就直接落入内层，内层的物料要经过较长时间才能进入外层充分碾磨，从而损失了大量能量。
为了使物料合理地分布，对磨机进料部分进行改进。将旧式的直角下料溜改为倾角式下料溜，使物料溜角大于休止角，物料顺畅进给。合理的选取进料点，使物料直接进入筒体外层。最后通过计算和一些经验数据，确定进料装置的材质，物料填充率，筒体适应转速和磨机功率等相关参数。
关键词：球磨机；进料装置；进料口；进料点
III
fAbstract
Abstract
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KeyWords：Ballmillfeedi
feedi
let
IV
f插图或附附表清单
插图或附表清单
图11磨机的分类方式3图2球磨机按筒体形状及卸料方式分类4图3磨机按传动装置分类5图41中心传动和边缘传动球磨机8图5球磨机的构造8图61球磨机筒体断面9图7衬板的主要类型10图8中r