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All Journal Infotekmesin Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB)
Irfan Bahiuddin
Universitas Gadjah Mada
Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Komparatif Metode Manufaktur Soft Pneumatic Actuator Berdasarkan Biaya, Waktu Fabrikasi, dan Karakteristik Mekanik Ilham Saputra; Irfan Bahiuddin; Bambang Hari Priyambodo; Efrem Olivio Gomes; Adhan Efendi
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

The rapid development of soft pneumatic actuators (SPAs) has driven a transition in manufacturing approaches from elastomer-based casting to additive manufacturing (AM). Although both methods have been widely adopted, systematic comparative studies to support manufacturing method selection remain limited. This study proposes a comparative evaluation framework to assess casting and additive manufacturing based on three key parameters: relative cost, fabrication time, and mechanical characteristics. The analysis was conducted through a structured literature review and semi-quantitative synthesis of 29 publications published between 2015 and 2025. The results indicate that casting provides lower material costs and superior structural homogeneity, whereas additive manufacturing offers greater design flexibility, more complex internal geometries, and higher production repeatability. The proposed evaluation framework provides a conceptual basis for selecting the most appropriate SPA manufacturing method according to application requirements, production scale, and available resources.
Analisis Efektivitas Pemasangan TREPOS Pada Unit Excavator Kelas 20 Ton Sebagai Upaya Preventive Maintenance Komponen Undercarriage Alva Rizki Amanullah; Harjono; Irfan Bahiuddin; Sugiyanto; Muhamad Sandi Isyanto; Arif Khaerudin; Imam Muslih
Jurnal Teknologi dan Rekayasa Alat Berat Vol 3 No 01 (2026): JTRAB Volume 3, No 1, 2026
Publisher : Department of Mechanical Engineering, Vocational College, Gadjah Mada University.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtrab.v3i01.13811

Abstract

The operational pattern of excavator units, particularly travel duration and frequency, is one of the dominant factors contributing to the increased occurrence of undercarriage component breakdowns. Therefore, a system-based operational control mechanism is required to limit excessive travel operations that do not comply with manufacturer standards. This study aims to analyze the effectiveness of installing an additional controller in the form of a Travel Protection System (TREPOS) in a case study of a 20-ton class excavator as a preventive maintenance strategy to improve the reliability of undercarriage components. The research employs an integrated analytical approach comprising Failure Mode and Effect Analysis (FMEA), PDCA, and PICA, along with a comparative analysis of operational data before and after TREPOS implementation. The results indicate that excessive travel duration and intensity are among the dominant factors causing unscheduled breakdowns in the undercarriage system. The implementation of TREPOS effectively controls the unit’s operational pattern by reducing continuous travel time exceeding 20 minutes and suppressing the occurrence of unscheduled breakdowns during the study period. Furthermore, TREPOS implementation has the potential to extend the service life of undercarriage components by up to 48% for carrier rollers, 42% for track rollers, 33% for sprockets, and 86% for track links, which overall contributes to a reduction in maintenance costs.
Co-Authors Adhan Efendi Alva Rizki Amanullah Arif Khaerudin Bambang Hari Priyambodo Efrem Olivio Gomes Harjono Ilham Saputra Imam Muslih Muhamad Sandi Isyanto Sugiyanto