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Importance <p>Chatter vibrations are frequently observed during the internal turning process due to the excessively lengthy overhang of the cutting tool holder. However, research on the influence of cut depth and tool holder overhang on vibration levels during this process is sparse. Moreover, the examination of surface roughness as a strategy for post-process validation during this process remains insufficient.</p> Objective <p>This paper examines the effects of tool holder overhang and depth of cut on the vibration of the tool holder, as well as the surface roughness of the workpiece during the internal turning.</p> Methods <p>The experiment of internal turning was carried out using three variations of depth of cut and overhang. An accelerometer was placed on the tool holder to collect horizontal and vertical vibration acceleration data. Additionally, the surface roughness of the workpiece was assessed using a surface roughness tester. The vibration data were analyzed utilizing Savitzky-Golay filtering techniques.</p> Results <p>The lowest peak amplitudes of horizontal and vertical vibration are observed in an overhang of 110 mm and a depth of cut of 0.3 mm. The peak amplitude for horizontal vibration is 0.0107 g RMS at a frequency of 4647 Hz, while for vertical vibration, it is 0.0205 g RMS at 1483 Hz. Additionally, the lowest average surface roughness obtained is 0.788 μm, achieved under the same conditions of 110 mm overhang and 0.3 mm depth of cut.</p> Conclusions <p>In this study, vertical vibrations exhibited a higher peak amplitude than horizontal vibrations. A shorter overhang can significantly reduce surface roughness during internal turning processes.</p>

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Effect of Cutting Parameters to Vibration and Surface Roughness as Application of Process Evaluation in Internal Turning Process

  • 期刊论文

  • 发表日期：

    2025年1月27日

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  • Muhammad Luthfi,
  • Muhamad Ghozali,
  • Suliono,
  • Felix Dionisius,
  • Agus Sifa,
  • Mohammad Azwar Amat,
  • Ivandiar Derajat

摘要

Importance

Chatter vibrations are frequently observed during the internal turning process due to the excessively lengthy overhang of the cutting tool holder. However, research on the influence of cut depth and tool holder overhang on vibration levels during this process is sparse. Moreover, the examination of surface roughness as a strategy for post-process validation during this process remains insufficient.

Objective

This paper examines the effects of tool holder overhang and depth of cut on the vibration of the tool holder, as well as the surface roughness of the workpiece during the internal turning.

Methods

The experiment of internal turning was carried out using three variations of depth of cut and overhang. An accelerometer was placed on the tool holder to collect horizontal and vertical vibration acceleration data. Additionally, the surface roughness of the workpiece was assessed using a surface roughness tester. The vibration data were analyzed utilizing Savitzky-Golay filtering techniques.

Results

The lowest peak amplitudes of horizontal and vertical vibration are observed in an overhang of 110 mm and a depth of cut of 0.3 mm. The peak amplitude for horizontal vibration is 0.0107 g RMS at a frequency of 4647 Hz, while for vertical vibration, it is 0.0205 g RMS at 1483 Hz. Additionally, the lowest average surface roughness obtained is 0.788 μm, achieved under the same conditions of 110 mm overhang and 0.3 mm depth of cut.

Conclusions

In this study, vertical vibrations exhibited a higher peak amplitude than horizontal vibrations. A shorter overhang can significantly reduce surface roughness during internal turning processes.