A Study on Micro-Machining Technology for the Machining of NiTi: Five-Axis Micro-Milling and Micro Deep-Hole Drilling

Biermann, Dirk; Kahleyss, F.; Krebs, Eugen; Upmeier, Thorsten

doi:10.1007/s11665-010-9796-9

Cited by 59 publications

(26 citation statements)

References 3 publications

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“…2b). Despite the optimization of machining parameters, tool wear still remains a problem in machining of these alloys [1,4,[5][6][7][8][9][10][11][12]. …”

Section: Current State Of Knowledge Of the Machinability Of Niti Alloymentioning

confidence: 99%

Comparative Analysis of Machinability of Nitinol Alloy Using Weighted Radar Diagram

Kowalczyk

Niżankowski

2017

Management and Production Engineering Review

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Accepted: 7 November 2017The paper presents an attempt to analyze comparative machinability of two different varieties of nitinol alloy type, or compare the susceptibility of these materials to change the volume, shape and dimension of adopted machining conditions. The machinability of the material can not be fully determined numerically by only one independent factor. Therefore multivariate analysis technique of weighted diagram radar was developed by authors. This technique allowed for the comprehensive identification machinability analyzed varieties of nitinol alloy exclusively on the basis of the specified in literature directional material properties and general recommendations tool manufacturers on the cutting conditions. In the paper the full usefulness of this technique to demonstrate the differences in machinability of different varieties of the same species alloy, without the need for lengthy and cost-intensive experimental trials was presented.

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“…2b). Despite the optimization of machining parameters, tool wear still remains a problem in machining of these alloys [1,4,[5][6][7][8][9][10][11][12]. …”

Section: Current State Of Knowledge Of the Machinability Of Niti Alloymentioning

confidence: 99%

Comparative Analysis of Machinability of Nitinol Alloy Using Weighted Radar Diagram

Kowalczyk

Niżankowski

2017

Management and Production Engineering Review

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“…2b). Despite the optimization of machining parameters, tool wear still remains a problem in machining of these alloys [1,5,[7][8][9][12][13].…”

Section: Current State Of Knowledge Of the Machinability Of Niti Alloymentioning

confidence: 99%

Cutting forces during precise turning of NiTi shape memory alloy

Kowalczyk

2017

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The selected indicators of machinability of NiTi based shape memory alloys has been examined. The paper presents research of possibilities of shape memory alloy like low-temperature (austenitic) Ni53Ti47 (Nitinol) with a coated cemented carbide tool, cutting force components (F f -the feed force, F p -the passive force, F c -the main cutting force). In the work, a special attention was paid on the main cutting force components at variable cutting speed (v c ).

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“…With Weinert and Petzoldt [10] and following previous works reported in Aurich et al [11], the burr geometry was defined in its cross-sectional profile, Fig. 3; and described by the following parameters:…”

Section: 3experiments Designmentioning

confidence: 99%

“…Taking into account of its low thermal influence on phase transformation temperatures of NiTi SMAs, Biermann et al [11] pointed on the advantage of machining by micro-milling.…”

Section: Introductionmentioning

confidence: 99%

Micro-end milling of NiTi biomedical alloys, burr formation and phase transformation

Piquard

d’Acunto

Laheurte

et al. 2014

Precision Engineering

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This paper focuses on burr formation in micro-end milling of two Nickel-Titanium shape memory alloys (SMA), an austenitic and a martensitic NiTi. Phase transformation during machining was also examined. The experimental design approach was used to study the effect of cutting parameters on burr formation. The studied parameters were cutting speed, feed per tooth, depth and width of cut, 20 machining strategy and initial material phase of the NiTi alloy. Different types of burrs were formed during micro-end milling of NiTi alloys; it was observed that top burrs are the most important. The height of top burrs can reach values close to those of the depth of cut. Burrs were observed and characterized using a Scanning Electron Microscope (SEM), confocal and optical microscopes. The affected layer under the machined surface, and phase transformation 25 were investigated by using SEM. The results of the analysis of variance showed a significant formation of burrs, deeply influenced by the feed per tooth and width of cut. An increase in the feed per tooth and a decrease of width of cut tend to decrease the height and width of the top burr. In a thin layer under the machined surface, phase transformation was observed for the martensitic NiTi.International audienceThis paper focuses on burr formation in micro-end milling of two Nickel-Titanium shape memory alloys (SMA), an austenitic and a martensitic NiTi. Phase transformation during machining was also examined. The experimental design approach was used to study the effect of cutting parameters on burr formation. The studied parameters were cutting speed, feed per tooth, depth and width of cut, 20 machining strategy and initial material phase of the NiTi alloy. Different types of burrs were formed during micro-end milling of NiTi alloys; it was observed that top burrs are the most important. The height of top burrs can reach values close to those of the depth of cut. Burrs were observed and characterized using a Scanning Electron Microscope (SEM), confocal and optical microscopes. The affected layer under the machined surface, and phase transformation 25 were investigated by using SEM. The results of the analysis of variance showed a significant formation of burrs, deeply influenced by the feed per tooth and width of cut. An increase in the feed per tooth and a decrease of width of cut tend to decrease the height and width of the top burr. In a thin layer under the machined surface, phase transformation was observed for the martensitic NiTi

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A Study on Micro-Machining Technology for the Machining of NiTi: Five-Axis Micro-Milling and Micro Deep-Hole Drilling

Cited by 59 publications

References 3 publications

Comparative Analysis of Machinability of Nitinol Alloy Using Weighted Radar Diagram

Comparative Analysis of Machinability of Nitinol Alloy Using Weighted Radar Diagram

Cutting forces during precise turning of NiTi shape memory alloy

Micro-end milling of NiTi biomedical alloys, burr formation and phase transformation

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