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矿山机械中的破碎和粉磨设备以及大直径窑类设备等，其重要支承部分大都采用了球面支承装置，它的主要特点是球面直径大，一般在1200～2600mm之间。瓦内村为铸造轴承合金。下面主要介绍大直径球面支承的制造工艺。一、大直径球面立承的选材、精度和结构1．选材球面轴承座材料为
Mining machinery in the crushing and grinding equipment and large-diameter kiln-class equipment, etc., most of its important support part of the spherical support device, its main feature is the spherical diameter, usually between 1200 ~ 2600mm. Wane village for casting bearing alloy. The following describes the manufacturing process of large-diameter spherical bearings. First, the large diameter spherical bearing the selection, accuracy and structure 1. Selection of spherical bearing material for