Investigation of Cutting Edge Radius Effect in Macro-machining and Micro-machining

Saedon, Juri; Norrdin, Noor Aniza; Yahaya, Mohd Azman; Kasim, Mohd Shahir; Nor, NorHafiez Mohamad

doi:10.1007/978-981-10-0534-3_2

Cited by 1 publication

(4 citation statements)

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“…5.b) shows clearly the existence of the negative rake angle and the relative bluntness of the tool, which plays an important role in increasing the specific cutting forces (Saedon et al, 2016;Vogler et al, 2002;Shaw, 1995). (Saedon et al, 2016) The minimum chip thickness hmin is specified as the critical value that to be comparable to minimum uncut chip thickness, which removed from a work surface at a cutting edge. In macro machining, in general, the depth of cut is greater than the cutting tool edge radius, and the removed chip from the work surface generates by cutting tool.…”

Section: Size Effect and Concept Of Removed Chipmentioning

confidence: 99%

“…Finally, it can be said when the ratio of the depth of cut to tool edge radius less than 1, so the chip cannot be formed and material cannot be deformed (Schmitz et al, 2002;Furukawa and Moronuki, 1988;Lucca et al, 1991;Aramcharoen and Maivenga, 2009;Ucun et al, 2010;Ucun et al, 2013). (Saedon et al, 2016).…”

Section: Size Effect and Concept Of Removed Chipmentioning

confidence: 99%

“…Figure5. Effect of cutting edge radius to chip thickness a) in macro cutting b) in micro-cutting(Saedon et al, 2016) …”

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confidence: 99%

“…Figure 6. Comparison between chip thickness and chip formation in the micro-cutting process a. h<hmin, b. h≈ hmin, c. h> hmin(Saedon et al, 2016).…”

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confidence: 99%

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The Basic Concepts of Micro-Milling Process and Its Review in Terms of Distinctive Parameters

Alatrushi

Bedir

Yılmaz

2020

Mühendislik Bilimleri Ve Tasarım Dergisi

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The micro-milling process is relating to the production of miniature parts, and it is one of the significant micromachining processes. The size of parts produced by micromachining is smaller than millimeters and in the range of a few microns. In the last years, the demand for needs to minimal parts in industries, such as biomedical, communication, and aerospace have been increased. To encounter this need, one of the proper solutions is the micro-milling process. In this study, a review of the micro-milling process was achieved in terms of the important common terms and some concepts. Terms like size effect, minimum chip thickness, and ploughing phenomenon were evaluated with respect to literature. These terms can be taken into account to distinguish a major difference between micro and macro cutting processes. In addition to, surface quality is an important required factor for machined parts. In this work also the surface roughness and burr formation mechanism were showed because they represent an inevitable result in the microcutting process. In addition to the micro-milling process have been assessed in terms of important factors used in determining the quality of workpieces such as surface quality, burr formation, and cutting forces. In conclusion, this study investigated the important parameters in the micro-milling process and provided general information to compare the micro-milling with conventional milling.

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Section: Size Effect and Concept Of Removed Chipmentioning

confidence: 99%