A Study of Cutting Parameters Influence on Micromilling of Hardened Steels

Cristofaro, S. De; Feriti, Giancarlo C.; Funaro, N.; Santandréa, Audrey; Lucassino, M.; Stefanini, C.; Merlo, Angelo; Dario, P.

doi:10.3850/978-981-07-0319-6_206

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“…Klocke et al [10] analysed influence of cutting parameters on the output process parameters in micromilling of tool steel X38CrMoV5 with cubic boron nitride tools. Analysis of the surface quality, through the analysis of influence of cutting speed and feed on surface roughness and built on edges, were conducted by Cristofaro et al [11]. Gilbin et al [12] investigated the influence of different coatings on the tool, coating thickness and cutting parameters on the machinability of tool steel 42NiCrMo16, hardened 54 HRc.…”

Section: Previous Researchesmentioning

confidence: 99%

Influence of Workpiece Hardness on Tool Wear in Profile Micro-milling of Hardened Tool Steel

Sredanović¹,

Globočki-Lakić²,

Kramar³

et al. 2018

Tribol. Ind.

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Machining of engineering metallic materials on micro-level is very complicated. Micro-milling with solid tools, as one of microengineering technologies, is an acceptable process to machining of complex metallic micro-parts. The main problem in micro-milling is sensitivity of cutting tool, due its suppleness and short tool life, and its influences to workpiece accuracy and quality. In this paper is experimentally investigated tool wear of micro-milling tool. During machining tests, influence of workpiece hardness and process parameters is evaluated. Workpiece was cold work alloyed tool steel X155CrVMo12, hardened to different hardness 45, 54 and 63 HRc. Cutting tool was carbide ball-end micro-mill with TiAlN coating, and diameter of 0.6 mm. For different combination of input parameters, tool wear curves is presented, and signification of input parameters on tool wear is evaluated and discussed.

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Section: Previous Researchesmentioning

confidence: 99%