This part of ISO 9361 specifies the dimensions of indexable ceramic inserts with rounded corners, with cylindrical fixing hole, with 0°normal clearance. These inserts are primarily intended to be mounted by top and hole, or hole alone, clamping on turning and boring tools. Ceramic cutting materials consist of a variety of ox-ides, nitrides and carbides. In contrast with hardmetals (including cermets) ceramics do not have a metallic binding matrix. Such ceramic ma-terials are, for example, oxide ceramics (consisting primarily of aluminium oxide Al2O3), carboxide cer-amics (consisting generally of a mixture of alu-minium oxide and other materials such as titanium carbide TiC) and nitride ceramics (consisting gen-erally of a mixture of silicon nitride and other ma-terials, such as yttrium oxide Y2O3 and aluminium oxide).
BS 4193-20-1993由英国标准学会 GB-BSI 发布于 1993-05-15,并于 1993-05-15 实施,于 2012-01-31 废止。
BS 4193-20-1993 在中国标准分类中归属于: H72 粉末冶金材料与制品,在国际标准分类中归属于: 25.100.01 切削工具综合。
BS 4193-20-1993 镶硬质合金刀具.第20部分:有固定孔圆角可转位陶瓷刀片尺寸规范 于 2012-01-31 变更为 BS ISO 9361-2-2011 切削工具转位刀片.带圆角的陶瓷刀片.有圆柱形固定孔刀片的尺寸规格。
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