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All Journal Rotasi Jurnal Statistika Universitas Muhammadiyah Semarang Jurnal Optimalisasi Batara Wisnu : Indonesian Journal of Community Services PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION
Ridhani Anita Fajardini
Politeknik Perkapalan Negeri Surabaya
Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Rotasi

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Design and Fabrication of Jig and Fixture for Milling Operations in the Manufacturing Sector Indrawan, Rizal; Purnomo, Dhika Aditya; Bisono, Fipka; Karuniawan, Bayu Wiro; Fajardini, Ridhani Anita
ROTASI Vol 26, No 4 (2024): VOLUME 26, NOMOR 4, OKTOBER 2024
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.26.4.54-59

Abstract

Fixtures and jigs are work-holding devices used to position and support workpieces. Fixtures and jigs are important tools in production because their use determines the performance of the entire production process of a product. There are still situations in the manufacturing sector where products manufactured could be more precise. Work-holding devices that facilitate the machining process must be developed to ensure that the final products satisfy the required criteria. This study aimed to design, manufacture, and evaluate fixtures and jigs and then assess how well they worked with test specimens in rectangular shapes. The jigs and fixtures are planned based on a vacuum table that is adjusted to the machining position on the side of the material. The intention of employing a vacuum system is to simplify the process of setting up the workpiece. Fusion360 Design Software was utilized to design fixtures and jig models. Since aluminum is easy to form and has high wear resistance, it was chosen as the workpiece material. CNC machine was employed in the manufacturing process. Testing of jig and fixture tools is carried out on the side of the test specimen. According to the study's findings, jigs and fixtures accelerate the milling process on the material side. When jigs and fixtures are used, the milling process proceeds 17.47 minutes. Using this jig and fixture makes it possible to shorten the operating time, making the milling process run more quickly. Furthermore, the final product has remarkable dimensional accuracy.
Implementation of the Taguchi Method for Optimizing Surface Roughness in the Aluminum Drilling Process Fajardini, Ridhani Anita; Mazwan, Mazwan; Utama, Satrio Darma
ROTASI Vol 27, No 2 (2025): VOLUME 27, NOMOR 2, JULI 2025
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.27.2.71-76

Abstract

Drilling is one of the important machining processes in the manufacturing industry, especially for lightweight materials such as aluminum. However, drilling aluminum poses significant challenges, including the generation of surface roughness and elevated temperatures in the cutting zone, which can accelerate tool wear. This study aims to optimize drilling parameters for aluminum under Minimum Quantity Lubrication (MQL) conditions, with surface roughness selected as the primary quality characteristic, where lower values indicate better performance. The investigated process parameters include spindle speed, feed rate, and type of cutting fluid. The experiments were designed using the Taguchi method with an L18 orthogonal array. Data were analyzed through signal-to-noise (S/N) ratio and analysis of variance (ANOVA) to identify the influence of each parameter. The results indicated that feed had the most significant effect on surface roughness, followed by spindle speed and the type of cutting fluid. The optimal combination of parameters, which includes a feed rate of 0.05 mm/rev, a spindle speed of 1500 rpm, and sunflower oil as the cutting fluid, yielded the lowest surface roughness and demonstrated the effectiveness of the Taguchi method in improving machining performance in aluminum drilling processes.
Co-Authors Ahmad, Mahasin Maulana Dhika Aditya Purnomo Farizi Rachman Fipka Bisono Gastriani, Ovi Prina Ilman, Abdillah Fashiha Karuniawan, Bayu Wiro Maulidhia, Alief Nur Aisyi Mazwan Mazwan Rismawati, Ria Rizal Indrawan Rosalina, Amanda Sari, Nur Fajar Aprilia Satrio Darma Utama Sholihah, Mar’atus Tri Andi Setiawan Tsany, Rahmat Basya Shahrys