Study on Cutting Edge Shape in Surface Processing with Indexable Non-Rotational Cutting Tool Using Damping Alloy

Abstract:

This study aimed to achieve superior sealing surface quality through a cutting process utilizing a non-rotational cutting tool. Previous research has explored the suppression of chatter vibration using indexable non-rotational cutting tools fabricated from damping alloys. The experiments employed a custom indexable tool composed of a damping material (M2052), with cemented carbide as the insert material. Prior research has indicated that non-rotating cutting tools incorporating damping alloys exhibit enhanced suppression of chatter vibrations, compared with traditional non-rotating tools. This study extends the enquiry to assess the effects of the cutting edge shape on the stability of cutting operations using non-rotational cutting tools with damping alloys. To investigate the effect of the cutting-edge shape on the machined surface, the cutting forces were measured using a dynamometer, the machined surface was measured using a white light interferometer, and the residual stresses were measured using an X-ray residual stress analyzer. Consequently, the insert with a large cutting width had a large variation in the cutting force and caused the generation of compressive residual stress, depending on the conditions. However, it is clear that the insert with a small cutting width exhibited a small variation in the cutting force and generated tensile residual stress, resulting in stable cutting.

• Periodical: Materials Science Forum (Volume 1163)
• Pages: 71-76
• DOI: https://doi.org/10.4028/p-U82dtD
• Online since: October 2025
• Authors: Kenji Shimana*, Shintaro Arikawa, Ryuichi Iwamoto, Shinichi Yoshimitsu, Yuya Kobaru
• Keywords: Cutting Force, Damping Alloy, Non-Rotational Cutting, Residual Stress

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