Study on milling surface quality of superalloy GH4145

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL Industrial Lubrication and Tribology Pub Date : 2024-07-16 DOI:10.1108/ilt-03-2024-0080

Jinfu Shi, Qi Gao

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Abstract

Purpose

This study aims to reveal the influence of milling process parameters on the surface roughness and morphology of superalloy GH4145.The groove milling mechanism and surface quality influence factors of superalloy GH4145 were studied experimentally.

Design/methodology/approach

This paper provides investigations on three-dimensional finite element model (FEM) and simulation of milling process for GH4145.The milling experiment uses Taguchi L16 experimental design and single factor experimental design. The surface morphology of the workpiece was observed by scanning electron microscopy, and the influence mechanism of milling parameters on surface quality is expounded.

Findings

The results show that the cutting force increases by 133% with the increase in milling depth. The measured minimum surface roughness is 0.035 µm. With the change in milling depth, the surface roughness increases by 249%. With the change in cutting speed, the surface roughness increased by 54.8%. As the feed rate increases, the surface roughness increases by a maximum of 91.1%. The milling experiment verifies that the error between the predicted surface roughness and the actual value is less than 8%.

Originality/value

The milling experiment uses a Taguchi L16 experimental design and a single-factor experimental design. Mathematical models can be used in research as a contribution to current research. In addition, the milling cutter can be changed to further test this experiment. Reveal the influence of milling process parameters on the surface roughness and morphology of superalloy GH4145.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-03-2024-0080/

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超级合金 GH4145 铣削表面质量研究

目的本文旨在揭示铣削工艺参数对超耐热合金 GH4145 表面粗糙度和形貌的影响，通过实验研究了超耐热合金 GH4145 的铣槽机理和表面质量影响因素。结果表明，随着铣削深度的增加，切削力增加了 133%。测得的最小表面粗糙度为 0.035 µm。随着铣削深度的变化，表面粗糙度增加了 249%。随着切削速度的变化，表面粗糙度增加了 54.8%。随着进给量的增加，表面粗糙度最大增加了 91.1%。铣削实验验证了预测表面粗糙度与实际值之间的误差小于 8%。数学模型可用于研究，是对当前研究的贡献。此外，还可以通过更换铣刀来进一步检验本实验。揭示铣削工艺参数对超耐热合金 GH4145 表面粗糙度和形貌的影响。同行评议本文的同行评议记录见：https://publons.com/publon/10.1108/ILT-03-2024-0080/。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Industrial Lubrication and Tribology 工程技术-工程：机械

CiteScore

3.00

自引率

18.80%

发文量

129

审稿时长

1.9 months

期刊介绍： Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.