Fabrication of Micro Carbide Tools by Ultrasonic Vibration Grinding
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2020, Encyclopedia of Renewable and Sustainable Materials: Volume 1-5Micro grinding 16MnCr5 hardened steel using micro pencil grinding tools with diameters ∼50 μm
2019, CIRP Journal of Manufacturing Science and TechnologyCitation Excerpt :Other examples of miniaturized products are manufacturing methods for micro tools like micro end mills [3], micro drills [6] and micro pencil grinding tools (MPGTs) [7]. A number of processes have been used to manufacture micro tools, including: grinding using thin grinding wheels [3], electrical discharge machining (EDM) [8] and laser processing [9]. In turn, these micro tools can be used to produce micro components and micro textured surfaces [3].
Abrasive processes for micro parts and structures
2019, CIRP AnnalsCitation Excerpt :Increasing the rotational speed of the tool increases the material removal rate and decreases the rate of tool wear [115,202]. The applications of micro RUM include not only drilling and grooving but also the fabrication of micro carbide tools (11 μm in the diameter and 160 μm in length) [185] and a carbide rod with aspect ratio 310:1 and diameter 42 μm [260]. The fabrication of thin, tens of micrometre thick SiC diaphragms for pressure sensors using ultrasonic vibration mill grinding is a novel application [141].
Micro tool design and fabrication: A review
2018, Journal of Manufacturing ProcessesCitation Excerpt :Due to the problems arising from mechanical contact during micro tool fabrication, the major concern is to reduce machining forces [160]. In an attempt to reduce grinding forces Onikura et al. [160] efficiently used ultrasonic vibration grinding (75 kHz-0.5 μm), to fabricate micro cutting tools with diameters less than 100 μm and aspect ratios in the range of 3 to 18. They came into a conclusion that by applying ultrasonic vibrations, it is possible to achieve a 10–20% reduction in the diameter of micro tools and to increase aspect ratio about 50%.