Evaluation of high-frequency roughness measurement errors for composite and ceramic surfaces after machining

Journal of Manufacturing Processes, Год журнала: 2024, Номер 121, С. 150 - 171

Опубликована: Май 20, 2024

Precise characterisation of surface topography is the greatest importance since many factors directly affect accuracy whole measurement process. In this paper, variety topographies from machined composite and ceramic workpieces was studied with a special emphasis on results. Surfaces were subjected to ground diamond, honing milling processes. Measurement results analysed in terms application procedure for removal high-frequency noise. Bandwidth characteristics supported by studies autocorrelation power spectral functions. It found, that examination noisy data, especially its isotropic properties, crucial enhancement noise-removal methods. The proposed validated through direction profile characterisation. spline filtering technique 7.5 μm cut-off encouraged against other generally used techniques reduction noise considering study based spectral, methodology comparing it averaged 3 time repeated measurements surfaces after machining. main advantage proposal reducing data processing due fast easy-to-implement usage general analysis functions, available commercial software measuring instrument.

Язык: Английский

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Reduction in Errors in Roughness Evaluation with an Accurate Definition of the S-L Surface

Materials, Год журнала: 2023, Номер 16(5), С. 1865 - 1865

Опубликована: Фев. 24, 2023

Characterization of surface topography, roughly divided into measurement and data analysis, can be valuable in the process validation tribological performance machined parts. Surface especially roughness, respond straightly to machining and, some cases, is defined as a fingerprint manufacturing. When considering high precision topography studies, definition both S-surface L-surface drive many errors that influence analysis accuracy manufacturing process. Even if precise measuring equipment (device method) provided but received are processed erroneously, still lost. From matter, S-L roughness evaluation allowing reduction rejection properly made In this paper, it was proposed how select an appropriate procedure for removal L- S- components from raw measured data. Various types topographies were considered, e.g., plateau-honed (some with burnished oil pockets), turned, milled, ground, laser-textured, ceramic, composite, generally, isotropic. They different (stylus optical) methods, respectively, parameters ISO 25178 standard also taken consideration. It found commonly used available commercial software methods helpful surface; its usage requires response (knowledge) users.

Язык: Английский

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Roughness evaluation of turned composite surfaces by analysis of the shape of autocorrelation function

Measurement, Год журнала: 2023, Номер 222, С. 113640 - 113640

Опубликована: Сен. 30, 2023

In this paper, the application of an Autocorrelation Function for characterisation surface topography was validated. The roughness evaluation turned composite surfaces supported by sophisticated studies properties, considering especially shape function. Details were measured with optical method. selection procedures carried out based on both profile and areal analyses. Moreover, various types regular analysis methods, proposed in commercial software, like Gaussian regression robust functions, median de-noising, isotropic Spline, fast Fourier transform filters, parameters from ISO 25178 standards. It found that many common techniques, commonly used spectral analysis, texture direction, studies. hard thresholding technique to be valuable comprehensive noise-suppression analysis.

Язык: Английский

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Innovative Solutions in the Design of Microfinishing Attachments for Surface Finishing with Abrasive Films

Micromachines, Год журнала: 2025, Номер 16(2), С. 165 - 165

Опубликована: Янв. 30, 2025

The study introduces new technologies of microfinishing, which are primarily aimed at cylindrical surfaces but with machining effectiveness, precision, and surface longevity. In the newly proposed dual-zone microfinishing method, symmetrical abrasive film feeding systems adapted a lever mechanism pivoting pressing assembly to simultaneously conduct processing in two zones. With such design, uniform force distribution is ensured, while mechanical deformation reduced raise utility lower scraps for better economic performance. Also, application operations combined carbon layer deposition using graphite-impregnated films introduced as novel method. This process combines refinement forming wear-resistant coatings into one single operation, resulting increased wear resistance forces friction. Further stabilization conditions achieved by immersing zone fluid medium due lubrication, improvement heat dissipation, optimization properties. It particularly suitable high-precision applications maintenance-free environment military, vacuum, low-temperature systems. experimental results show effectiveness methodologies, underscoring their ability create remarkably smooth very robust textures simultaneously.

Язык: Английский

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Analysis of Surface Texture and Roughness in Composites Stiffening Ribs Formed by SPIF Process

Materials, Год журнала: 2023, Номер 16(7), С. 2901 - 2901

Опубликована: Апрель 6, 2023

Studying roughness parameters and the topography of stiffening ribs in composite sandwich structures is important for understanding these materials' surface quality mechanical properties. The describe micro-geometry surface, including average height deviation, depth, waviness. refers to spatial arrangement distribution features such as bumps, ridges, valleys. study investigated under three scenarios based on two SPIF process parameters: tool rotational speed(N) feed rate (f). vertical step was held constant at 0.4 mm across all scenarios. In scenario A, were set f = 300 mm/min n rpm; B, 1500 3000 C, rpm. experimental research analyses revealed that stiffened highly dependent parameters. highest speed produced smoothest texture with lowest maximum (Sz) value. contrast, resulted a rougher higher Furthermore, contour plots generated from provided good visual representation roughness, allowing more comprehensive analysis This emphasizes optimizing achieve desired formed Litecor® panel sheets.

Язык: Английский

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Study of vibrational surface topography measurement errors of LPBF Inconel 718 alloy after shot peening process

Measurement, Год журнала: 2024, Номер unknown, С. 116434 - 116434

Опубликована: Дек. 1, 2024

Язык: Английский

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Optimizing Surface Morphology for Enhanced Radiative Properties in Thermal Energy-Efficient Materials

Materials Today Energy, Год журнала: 2024, Номер 45, С. 101660 - 101660

Опубликована: Авг. 29, 2024

Язык: Английский

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Study of etched surface topography with the compensation of contactless vibrational measurement errors

Measurement, Год журнала: 2024, Номер 242, С. 116218 - 116218

Опубликована: Ноя. 15, 2024

Язык: Английский

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