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All Journal Infotekmesin
Aditya Al Fathir
Politeknik STMI Jakarta
Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering

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Integrated Design-to-Validation Framework for a Precision Dovetail Clamping Fixture in CNC Machining Applications Adam Satria; Aditya Al Fathir; Adrian Satriatama; Ahmad Rifai; Ardytya P. I. Sukardi; Hilmi Yudhistira; Maulana H. Rohman
Infotekmesin Vol 17 No 2 (2026): Infotekmesin: Juli 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/

Abstract

Conventional vise-based workholding systems in CNC machining often limit tool accessibility, provide non-uniform clamping forces, and reduce machining stability. While dovetail clamping mechanisms have been widely investigated, studies integrating fixture design, manufacturing, experimental validation, and structural analysis into a practical and cost-effective solution remain limited. This study develops and validates a precision dovetail clamping fixture for CNC milling applications. The proposed fixture combines parametric CAD-based design, CNC manufacturing using S50C steel, experimental validation, and static structural simulation. Experimental results demonstrated dimensional accuracy within ±0.05 mm, improved workpiece accessibility, and minimal displacement during machining. Structural simulation under representative clamping and machining loads yielded a maximum von Mises stress of 188 MPa, a maximum displacement of 0.645 mm, and a minimum factor of safety of 2, indicating safe operation within the elastic range of the material. The developed fixture provides a reliable, economical, and practical alternative for precision CNC machining in small-scale industrial environments..
Co-Authors Adam Satria Adrian Satriatama Ahmad Rifai Ardytya P. I. Sukardi Hilmi Yudhistira Maulana H. Rohman