Impact of Pressure on Surface Roughness and Kerf Characteristics Using Low Pressure Abrasive Water Jet Cutting

IF 0.9 Q3 Engineering Surface Engineering and Applied Electrochemistry Pub Date : 2024-02-01 DOI:10.3103/s1068375524010125

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Abstract

Abrasive water jet (AWJ) cutting is an emerging material processing technology with significant advantages, such as no thermal deformation, high processing versatility, high flexibility, and low cutting force. It is used in various applications including machining, cleaning, surface preparation, and material cutting. The main concerns during the AWJ cutting process are the surface roughness and the kerf geometry. This study aimed to successfully predict the surface roughness and the kerf geometry during low pressure AWJ machining to cut metal sheets at low and high water pressures when cutting the stainless steel and copper specimens. The experimental results show that a low water pressure indicates fewer variations between the surface roughness and the kerf angle. At various pressures, the roughness values ranged from 3.087 to 4.817 µm. A regression model was developed to predict the surface roughness and the kerf angle. As a result, the effect of water pressure can only increase the kinetic energy but cannot affect other processing parameters separately. Scanning electron microscopy revealed micro-cracks during the AWJ cutting process.

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使用低压加砂水射流切割时压力对表面粗糙度和切口特征的影响

摘要加砂水射流切割（AWJ）是一种新兴的材料加工技术，具有无热变形、加工通用性强、柔韧性高、切割力小等显著优点。它被广泛应用于机械加工、清洗、表面处理和材料切割等领域。AWJ 切削过程中的主要问题是表面粗糙度和切口几何形状。本研究旨在成功预测低压 AWJ 加工过程中的表面粗糙度和切口几何形状，以切割不锈钢和铜试样时的低水压和高水压切割金属板。实验结果表明，低水压下表面粗糙度和切口角度的变化较小。在不同压力下，粗糙度值在 3.087 至 4.817 µm 之间。建立了一个回归模型来预测表面粗糙度和切口角。结果表明，水压的影响只能增加动能，而不能单独影响其他加工参数。扫描电子显微镜显示了 AWJ 切割过程中的微裂纹。

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来源期刊

Surface Engineering and Applied Electrochemistry Engineering-Industrial and Manufacturing Engineering

CiteScore

1.60

自引率

22.20%

发文量

期刊介绍： Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.