Surface roughness optimization of new-generation WP7V tool steel in WEDM: a Taguchi and RSM approach

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dc.contributor.authorErkan, Omer
dc.date.accessioned2025-10-11T20:48:16Z
dc.date.available2025-10-11T20:48:16Z
dc.date.issued2025
dc.departmentDüzce Üniversitesien_US
dc.description.abstractPurposeThis study aims to optimize the surface roughness (Ra) of new-generation WP7V tool steel processed using wire electrical discharge machining (WEDM). The investigation identifies the most significant machining parameters and their effects using Taguchi and response surface methodology (RSM).Design/methodology/approachWP7V tool steel, a cold work tool steel with low thermal conductivity and excellent toughness, was processed using the Taguchi L18 orthogonal array and optimized through RSM. The input parameters were voltage (4-8 machine units/70-150 V), servo feed (SF) (60-100 mm/min), pulse-on time (Ton) (10-14 mu s) and pulse-off time (Toff) (13-18 mu s). Ra of the machined surfaces was measured using a Mahr MarSurf PS10 profilometer, and analysis of variance (ANOVA) was performed to determine the contribution of each parameter to Ra.FindingsTon and Toff were identified as the most critical parameters affecting Ra, contributing approximately 34% each. The optimal combination for achieving minimum Ra was determined as 150 V voltage, 100 mm/min SF, 10 mu s Ton and 13 mu s Toff. Predicted Ra values from Taguchi and RSM methods were validated against experimental results, showing strong agreement and reliability.Practical implicationsThe study demonstrates that optimizing WEDM parameters can significantly improve surface quality for new-generation WP7V tool steel. The results provide practical guidelines for engineers and manufacturers to achieve cost-effective, high-precision machining.Originality/valueThis work highlights the combined use of Taguchi and RSM methodologies for optimizing Ra in machining advanced WP7V tool steel. The findings enhance the performance and applicability of WEDM for processing new-generation tool steels. Studies on WEDM of WP7V steel are extremely limited in the literature, making this research a valuable contribution to the field.en_US
dc.identifier.doi10.1108/MMMS-12-2024-0386
dc.identifier.issn1573-6105
dc.identifier.issn1573-6113
dc.identifier.scopus2-s2.0-105005852069en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1108/MMMS-12-2024-0386
dc.identifier.urihttps://hdl.handle.net/20.500.12684/21837
dc.identifier.wosWOS:001493020500001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorErkan, Omer
dc.language.isoenen_US
dc.publisherEmerald Group Publishing Ltden_US
dc.relation.ispartofMultidiscipline Modeling in Materialsand Structuresen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmzKA_WOS_20250911
dc.subjectNew-generation cold work tool steelen_US
dc.subjectWire electro erosion discharge machiningen_US
dc.subjectSurface roughnessen_US
dc.subjectTaguchien_US
dc.subjectResponse surface methodologyen_US
dc.subjectOptimizationen_US
dc.subjectAnalysis of varianceen_US
dc.titleSurface roughness optimization of new-generation WP7V tool steel in WEDM: a Taguchi and RSM approachen_US
dc.typeArticleen_US

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