工艺参数对sls加工聚酰胺刀具磨损特性和研磨性能的影响

IF 5.3 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-04-25 DOI:10.1016/j.wear.2025.206093

Dawid Zieliński , Sisay Workineh Agebo , Mariusz Deja

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引用次数: 0

摘要

如今，增材制造（AM）为各种精加工工艺（如研磨、研磨和抛光）的工具生产提供了新的可能性。研究了不同研磨参数对SLS打印聚酰胺刀具磨损特性和研磨性能的影响。根据PS/DK 23实验设计，在单面研磨装置上进行了Al2O3陶瓷材料的加工，其中关键的工艺输入因素，如单位压力p、速度v和加工时间t，分别考虑了上（+）和下（−）两个不同的水平。基于二维（Ra, Wa）和三维（Sa, Sq）粗糙度和波纹度参数，分析了工艺对Al2O3陶瓷样品材料损失的影响，以及其表面质量。实验结果表明，研磨输入参数对所分析的加工效果以及聚酰胺研磨轮磨片的形状轮廓和磨损值有显著影响。结合统计分析结果，建立了质量材料损失量Δm、线性材料损失量Δh与表面高度参数粗糙度Ra值相关的工艺效应数学模型，以线性回归方程的形式表示。所建立的数学模型可用于在参数设置的指定变化范围内精确预测输出变量的值。

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Effect of process parameters on the wear characteristics and lapping performance of SLS-fabricated polyamide tools

Nowadays, additive manufacturing (AM) offers new possibilities in the production of tools for various finishing processes, such as grinding, lapping, and polishing. In this study, the effect of different lapping parameters was investigated on the wear characteristics and lapping performance of SLS printed polyamide tools. In accordance with the PS/DK 2³ experimental design, machining of Al₂O₃ ceramic materials have been conducted on one-sided lapping setup, in which crucial process input factors, such as unit pressure p, velocity v, and machining time t, were considered at upper (+) and lower (−) two different levels. Technological effects related to the material loss of Al₂O₃ ceramic samples, as well as their surface quality based on 2D (Ra, Wa) and 3D (Sa, Sq) roughness and waviness parameters, were analyzed. The experimental results indicated a noticeable influence of the lapping input parameters on the analyzed machining effects, as well as on the shape profile and wear value of the polyamide lapping wheels abrasive segments. Moreover, considering the result of the statistical analysis, mathematical models are developed for the technological effects related to the values of mass material loss Δm, linear material loss Δh, and surface height parameter roughness Ra, in the form of linear regression equations. The developed mathematical models can be used to precisely predict the values of the output variables within the specified range of variation of the parametric settings.

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.