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第 7 章 磨削加工 PowerPoint PPT Presentation


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第 7 章 磨削加工. §7-1 磨具的特性和选用. 磨削是用带有磨粒的工具(砂轮,沙带,油石等)对工件进行切削加工的方法。磨削是目前半精加工和精加工的主要方法之一,并已逐步应用到了粗加工之中。 一、普通磨具 1、普通磨具的类型 所谓普通磨具是指用普通磨料制成的磨具,如刚玉类磨料、碳化硅类磨料和碳化硼磨料制成的磨具。按磨料的结合形式分为固结磨具、涂附磨具和研磨膏。根据不同的使用方式,固结磨具可制造成砂轮、油石、砂瓦、磨头、抛磨块等,涂附磨具可制成纱布、砂纸带、砂带等。研磨膏可分成硬膏和软膏。. 2 、砂轮的特性及其选择

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第 7 章 磨削加工

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7


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