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In this study, a boring bar mechanism design simulation was carried out with the addition of a press-fitted damper made of metal using ANSYS software. The boring bar is made of AISI 1045 material with a diameter of 25 mm and a length of 282 mm. The damper has the same material as the boring bar and has the shape of a solid cylinder placed inside the boring bar with a length of 235 mm. The diameter of the damper varies from 3, 4, 5, 6, to 7 mm. This simulation is also carried out by variations in cutting parameters, including spindle speeds of 320, 450, and 720 RPM, feed rate of 0.06, 0.08, and 0.10 mm/rev, and depth of cut of 0.3, 0.4, and 0.5 mm. Based on the simulation results on variations in damper size, the 7 mm custom boring bar is the most optimal variation, which can reduce vibration by 62.47% in the x-axis direction and 66.36% in the z direction at cutting parameter 21 (320 RPM, 0.5 mm, 0.1 mm/rev).

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Analysis of Boring Bar Vibration Response Reduction Due to the Effect of Internal Damper Addition with Variation in Diameter of Damper and Cutting Parameters in the Machining Process

  • 会议论文

  • 发表日期：

    2025年

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  • Wiwiek Hendrowati,
  • I. Nyoman Sutantra,
  • Guntur Harus Laksana,
  • Moch. Solichin,
  • Rasyidah Salsafira Az-Zahra

摘要

In this study, a boring bar mechanism design simulation was carried out with the addition of a press-fitted damper made of metal using ANSYS software. The boring bar is made of AISI 1045 material with a diameter of 25 mm and a length of 282 mm. The damper has the same material as the boring bar and has the shape of a solid cylinder placed inside the boring bar with a length of 235 mm. The diameter of the damper varies from 3, 4, 5, 6, to 7 mm. This simulation is also carried out by variations in cutting parameters, including spindle speeds of 320, 450, and 720 RPM, feed rate of 0.06, 0.08, and 0.10 mm/rev, and depth of cut of 0.3, 0.4, and 0.5 mm. Based on the simulation results on variations in damper size, the 7 mm custom boring bar is the most optimal variation, which can reduce vibration by 62.47% in the x-axis direction and 66.36% in the z direction at cutting parameter 21 (320 RPM, 0.5 mm, 0.1 mm/rev).