Specific cutting energy employed to study the influence of the grain size in the micro-milling of the hardened AISI H13 steel
作者： C. H. Lauro , L. C. Brandão , D. Carou , J. P. Davim
DOI: 10.1007/S00170-015-7321-X
关键词:
摘要: Among the miniaturization processes, micro- machining is one of most used processes in modern industries. In spite high number micro-machining applications, several gaps should be investigated, such as size effect. This paper analyzes influence effect on specific cutting energy. Workpieces AISI H13 steel with different austenitic grain were machined a tool 0.5 mm diameter and coating (TiAl)N. The input parameters speed, feed rate, radial depth cut. responses force cut- ting results showed that reduction spe- cific energy increase rate for small sizes corresponded to 73 %. same way, reduc- tion large 70
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