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All Journal International Journal of Mechanical Engineering Technologies and Applications (MECHTA)
Widhiyanuriyawan, Denny Widhiyanuriyawan
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Automotive Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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EFFECT OF VARIABLE HELIX ANGLE OF END MILLING TOOL ON VIBRATION AND SURFACE ROUGHNESS OF SS-AISI 304 Sonief, Achmad As’ad; Sasongko, Mega Nur; Widhiyanuriyawan, Denny Widhiyanuriyawan; Pratikto, Pratikto
International Journal of Mechanical Engineering Technologies and Applications Vol. 6 No. 1 (2025)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2025.006.01.12

Abstract

Vibration in milling processes adversely affects product quality, machining precision, tool lifespan, and operating costs. A common vibration type, chatter, arises from self-excitation influenced by cutting parameters. Chatter can be classified into regenerative and resonant types. To mitigate resonance, cutting tools with variable helix angles are employed, as their varying pitch angles generate distinct tooth-passing frequencies for each blade. This study investigates the impact of helix angles on cutting parameters during end milling and their effects on vibration amplitude and surface roughness of AISI 304 stainless steel. Experimental end milling trials were conducted with different helix angle tools and cutting parameter variations. The findings reveal that optimizing the helix angle significantly reduces vibration amplitude and enhances surface finish. Controlling helix angle proves crucial for achieving superior surface quality and stable operation in end milling processes of stainless steel materials.
EFFECT OF VARIABLE HELIX ANGLE OF END MILLING TOOL ON VIBRATION AND SURFACE ROUGHNESS OF SS-AISI 304 Sonief, Achmad As’ad; Sasongko, Mega Nur; Widhiyanuriyawan, Denny Widhiyanuriyawan; Pratikto, Pratikto
International Journal of Mechanical Engineering Technologies and Applications Vol. 6 No. 1 (2025)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2025.006.01.12

Abstract

Vibration in milling processes adversely affects product quality, machining precision, tool lifespan, and operating costs. A common vibration type, chatter, arises from self-excitation influenced by cutting parameters. Chatter can be classified into regenerative and resonant types. To mitigate resonance, cutting tools with variable helix angles are employed, as their varying pitch angles generate distinct tooth-passing frequencies for each blade. This study investigates the impact of helix angles on cutting parameters during end milling and their effects on vibration amplitude and surface roughness of AISI 304 stainless steel. Experimental end milling trials were conducted with different helix angle tools and cutting parameter variations. The findings reveal that optimizing the helix angle significantly reduces vibration amplitude and enhances surface finish. Controlling helix angle proves crucial for achieving superior surface quality and stable operation in end milling processes of stainless steel materials.
Co-Authors Mega Nur Sasongko Pratikto Pratikto Sonief, Achmad As’ad