Experimental Investigation in Micro Ball-End Milling of Hardened Steel

Escolle, Bérenger; Fontaine, Michaël; Gilbin, Alexandre; Thibaud, Sébastien; Picart, Philippe

doi:10.17265/2161-6213/2015.9-10.001

Cited by 4 publications

(2 citation statements)

References 18 publications

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“…Kerbs and Kersting [13] investigated the influence of the tool inclination in micromilling of tool steel. Analysis of micromilling of 40NiCrMo16 tool steel, carried out Escolle et al [14]. They focused on the study of the influence of different coatings on tools and cutting parameters on tool wear and surface roughness.…”

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%

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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show abstract

“…The influence of different combination of the input parameters on cutting force was analysed using the Taguchi method. Escolle [10] investigated of cutting forces, surfaces integrity and machining errors obtained in micro-milling of 40NiCrMo16 hardened steel, with 0.5 mm diameter coated tungsten carbide ball-end micro-mills. In paper [11], the influence of the tool inclination on output process parameters was analysed.…”

Section: Previous Researchesmentioning

confidence: 99%

Experimental Study on Micro-Machinability of Hardened Tool Steel in Profile Micro-Milling

Sredanović

Lakic

2017

SSP

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Components miniaturization in industry leads to intensive research and development of efficient micro-technologies through research of different production processes, machines and tools. This paper presents experimental research on machinability of inclined surfaces on hardened steel workpieces with long-neck micro-end-ball mills. Workpiece is hardened AISI D2 tool steel (X155CrVMo-5). Micro-parts of this material is usually produced by non-conventional technologies such as electro-discharge machining (EDM) and laser beam machining (LBM), that allows machining of 2D or simple 3D structures. The effects of geometrical and cutting parameters on output machinability parameters in ball micro-milling were evaluated. Analysis of tool deflection, surface roughness and tool wedge wear was performed, in order to obtain the recommended cutting parameters for more precise, accurate and quality of micro-parts.

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A method for monitoring and diagnosing the circular trajectory error in micromilling

Santos

Andrade

Conte

2016

IEEE Latin Am. Trans.

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In CNC manufacture of micro components the manufactured product dimensional quality is strongly influenced by the machine tool movements accuracy. Trajectory curves and axis displacement speed values interfere in the machine positioning error. This situation is not considered in the traditional tests of a machine tool positioning accuracy performance. In this work micromilling machine performance assessment is proposed by means of monitoring and forecasting of positioning errors during a circular trajectory. Data monitored by grid encoder were used for drafting a method structured with experimental planning for monitoring and forecasting positioning errors. Trials with different feed rate and radius for a circular trajectory were carried out for assessment and validation of the method proposed.

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Experimental Investigation in Micro Ball-End Milling of Hardened Steel

Cited by 4 publications

References 18 publications

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

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

Experimental Study on Micro-Machinability of Hardened Tool Steel in Profile Micro-Milling

A method for monitoring and diagnosing the circular trajectory error in micromilling

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