Chip Breaking by Rolling Tool (1st Report)

Hirota, Heiichi; Shinozaki, Noboru

doi:10.2493/jjspe1933.36.135

Cited by 1 publication

(1 citation statement)

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“…Thus, low-frequency vibration cutting such as MAM and MTP was introduced and used to break chips. Regarding vibration-assisted cutting, in the 1970s, the effect of breaking up chips was tested on a lathe using a vibration generator with a lever clamp mechanism (Hirota and Shinozaki, 1970). By using a device with a piezoelectric element mounted onto a machine to generate vibrations in an elliptical trajectory, this method can effectively reduce the cutting force and suppress the generation of burrs compared with W/O vibration (Moriwaki and Shamoto, 1995).…”

Section: Introductionmentioning

confidence: 99%

Tool design for low-frequency vibration cutting on surface property

Nakamura¹,

Nakanishi²,

Ôhara³

et al. 2023

Front. Manuf. Technol.

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Low-frequency vibration cutting is a machining technology in which chips are broken by applying periodic vibrations along a specific axis. Periodic vibration deteriorates the surface roughness and roundness of the workpiece when compared to without vibration cutting. In this study, the properties of a machined surface under low-frequency vibration were simulated. Based on the simulation results, a tool was designed to reduce the effects of periodic vibration on the surface properties. Actual machining experiments were conducted using the proposed tool to clarify the relationship between tool shape, surface roughness, and roundness under low-frequency vibration. Using the proposed tool on low-frequency vibration cutting, the surface roughness was reduced (from 5.74 µm to .94 µm in Ra and 23.09 µm–6.66 µm in Rz), average roundness improved (from 4.73 µm to 2.95 µm), and maximum roundness decreased (from 15.34 µm to 3.61 µm) compared with those of the conventional tool.

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Section: Introductionmentioning

confidence: 99%