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This paper shows a study on the influences of the process parameters of wire cut electrical discharge machining (WEDM) on the surface roughness in machining 90CrSi tool steel. | Effects of process parameters on surface roughness in wire-cut edm of 9crsi tool steel International Journal of Mechanical Engineering and Technology IJMET Volume 10 Issue 03 March 2019 pp. 1073-1078. Article ID IJMET_10_03_108 Available online at http www.iaeme.com ijmet issues.asp JType IJMET amp VType 10 amp IType 3 ISSN Print 0976-6340 and ISSN Online 0976-6359 IAEME Publication Scopus Indexed EFFECTS OF PROCESS PARAMETERS ON SURFACE ROUGHNESS IN WIRE-CUT EDM OF 9CRSI TOOL STEEL Tran Thi Hong Nguyen Tat Thanh University Ho Chi Minh city Vietnam Do Thi Tam Nguyen Manh Cuong Luu Anh Tung Vu Ngoc Pi Thai Nguyen University of Technology Thai Nguyen city Vietnam Le Hong Ky Vinh Long University of Technology Education Vietnam Nguyen Quoc Tuan Thai Nguyen University Thai Nguyen city Vietnam Hoang Tien Dung Hanoi University of Industry Ha Noi city Vietnam Corresponding Author ABSTRACT This paper shows a study on the influences of the process parameters of wire cut electrical discharge machining WEDM on the surface roughness in machining 90CrSi tool steel. For this investigation an experiment was designed and performed. In addition 6 input parameters including the pulse on time the pulse off time the cutting voltage the server voltage the wire feed and the feed speed were carefully chosen for the work. The effects of these factors on the surface roughness were evaluated by analysing variance. Moreover a regression equation was proposed for determining the surface roughness. Key words WEDM wire-cut EDM cutting speed factorial design tool steel machining. Cite this Article Tran Thi Hong Do Thi Tam Nguyen Manh Cuong Luu Anh Tung Vu Ngoc Pi Le Hong Ky Nguyen Quoc Tuan and Hoang Tien Dung Effects of Process Parameters on Surface Roughness in Wire-Cut Edm Of 9crsi Tool Steel International Journal of Mechanical Engineering and Technology 10 3 2019 pp. 1073-1078. http www.iaeme.com IJMET issues.asp JType IJMET amp VType 10 amp IType 3 http www.iaeme.com IJMET index.asp 1073 .
