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All Journal Jurnal INTECH Teknik Industri Universitas Serang Raya
Putri Noviana Nih Pratama
Universitas Jenderal Achmad Yani Yogyakarta
Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Experimental Analysis of the Effect of Printing Parameters of 3D Printer FDM Machine on Dimensional Error and Surface Hardness of PLA+ Material Ibnu Abdul Rosid; Rama Sahtyawan; Grita Supriyanto Dewi; Putri Noviana Nih Pratama
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 11 No. 2 (2025): December
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v11i2.11210

Abstract

PLA material is one of the most commonly used materials in Fused Deposition Modelling 3D printers for various purposes. The quality of the printed part can be assessed from its dimensional accuracy and surface hardness. The method used to determine the appropriate parameters for achieving optimal results is the 2k factorial design method. The parameters studied include BTT, WT, and FP. The levels for BTT were set at 1 mm and 3 mm, WT were 1 mm and 2 mm, and FP consists of concentric and lines. Statistical analysis revealed that several parameters significantly influence the response. The statistical analysis results show factors with a P-value < 0.05 (α = 0.05). The WDE response shows an interaction between BTT, WT, and FP. The HDE response indicates that the interactions between BTT and WT, BTT and FP, WT and FP, and WT affect HDE. In the SH response, the factors BTT, WT, and the interaction between WT and PT affected SH. Meanwhile, in the LDE response, all factors had P-values > 0.05. This study also found that WT individually affects HDE, WDE, and SH. On the other hand, the WT factor interacts with BTT and FP to affect SH.
Ergonomics Improvement in Ceramic Production through Hydraulic Tool Design: A Rapid Entire Body Assessment and Quality Function Deployment Putri Noviana Nih Pratama; Sido Dea Auvia; Anggita Indriyanti; Agung Ramadhani
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 12 No. 1 (2026): June
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v12i1.11365

Abstract

This study addresses ergonomic and productivity challenges in Indonesia's ornamental ceramic MSMEs. Artisans often rely on traditional tools, resulting in high musculoskeletal risks and inefficient production. Using the Nordic Body Map (NBM) and REBA, this study identified a "very high risk" posture (REBA score of 13). Quality Function Deployment (QFD) was then employed to design an ergonomic hydraulic press based on worker anthropometry, featuring a table height of 104.7 cm and a machine height of 130.75 cm. The results demonstrate a significant reduction in production cycle time, as the dual-mold hydraulic system allows for the simultaneous pressing of two faces, effectively replacing time-consuming manual processes. Furthermore, the design minimizes non-value-added work elements by eliminating the need for gradual manual clay filling. This transition from a crouching to a neutral standing posture not only ensures artisan safety by lowering physical strain but also significantly increases output capacity. This study proves that integrating ergonomic specifications with mechanization is a vital catalyst for increasing operational efficiency and business sustainability in small-scale industries.
Co-Authors Agung Ramadhani Anggita Indriyanti Grita Supriyanto Dewi Ibnu Abdul Rosid Rama Sahtyawan Sido Dea Auvia