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Jurnal Rekayasa Mesin
Published by Universitas Negeri Surabaya
ISSN : 2337828X     EISSN : 29887429     DOI : https://doi.org/10.26740/jrm.v9i03
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
The Journal of Mechanical Engineering (JRM) is published three times a year, in April, August, and December, by the Applied Bachelor Degree Program (D4) in Mechanical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya (UNESA). It serves as a medium of information and a forum for Development of Technology, Numerical Studies, Experimental Studies, and Applied Research in the field of Mechanical Engineering. The journal contains scientific papers, summaries of research results, literature reviews, and original critical ideas. The editorial team invites researchers, practitioners, and anyone interested in contributing articles that have not been published elsewhere. The themes of the articles include Machining Materials and Metallurgy Manufacturing Processes Mechanical Design Control Systems
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 2 Documents
 1 
Search results for , issue "Vol 10 No 03 (2025): JRM Desember 2025 (In Press)" : 2 Documents clear
ANALISIS PENGARUH VARIASI DIAMETER PULI DENGAN PERBEDAAN TAKARAN ADONAN PADA OLAHAN PENTOL TERHADAP KAPASITAS PRODUKSI Adham Rifai, Hasif; Wulandari, Diah; Isnomo Abdi, Ferly; Riandadari, Dyah
Jurnal Rekayasa Mesin Vol 10 No 03 (2025): JRM Desember 2025 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v10i03.72767

Abstract

The ratio between chicken meat and flour in the dough affects its texture, including thickness, elasticity, and ease of molding. This study aims to analyze the effect of dough ratio variations and pulley diameter sizes on the performance of a meatball (pentol) molding machine. The pulleys used were 25.4 mm (1 inch), 50.8 mm (2 inch), and 76.2 mm (3 inch), with dough ratios of chicken meat to flour at 1:1, 1:2, and 2:1. The research employed an experimental method by testing each combination to measure the number of successful molds, failures, production capacity, and molding time. The results showed that the 1-inch pulley with a 1:1 dough ratio produced the highest success rate (15 pieces), the lowest failure rate (7 pieces), and the fastest molding time (3 minutes 15 seconds). Conversely, the 3-inch pulley resulted in the slowest process (6 minutes 40 seconds) and a lower success rate. Based on these findings, it can be concluded that the smallest pulley combined with a balanced dough ratio is the most effective in improving production efficiency. Keywords: Production efficiency, Chicken meatball, Pulley, Dough ratio
RANCANG BANGUN MESIN PENCETAK PENTOL UNTUK UMKM DENGAN KAPASITAS ADONAN 3KG PER JAM Ramadhani A, Gilang; Wulandari, Diah; Puspitasari, Dewi; Nugroho, Aji
Jurnal Rekayasa Mesin Vol 10 No 03 (2025): JRM Desember 2025 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v10i03.72768

Abstract

This research aims to design and develop a household-scale meatball (pentol) printing machine intended for Micro, Small, and Medium Enterprises (MSMEs). The main problem faced by small-scale pentol entrepreneurs is the limitation of production tools, which are still manual, resulting in low efficiency and productivity. Therefore, the development of a pentol printing machine with a dough capacity of 3 kg per hour is expected to provide a solution in the form of a semi-automatic device that is more economical and practical for MSME use. The research method employed is Research and Development (R&D), which includes the design, manufacturing, testing, and evaluation of the pentol printing machine. The testing process used pentol dough as the material. The machine is designed with a ¼ HP electric motor at a speed of 1250 rpm and uses a screw conveyor system to push the dough. The machine frame dimensions are 400 × 300 × 450 mm, with a pulley ratio of 1:1 (2 inches / 50.8 mm) and an M-21 V-belt. A horizontal design and the addition of a cooling box are the main advantages to prevent the dough from sticking during the cutting process. The results of the design and construction tests of the pentol printing machine show that the machine operates well and is able to improve printing efficiency compared to the manual method. The machine was tested three times, each with 1 kg of dough, producing an average processing time of 3.12 minutes per kilogram. This machine is easy to operate and maintain, making it highly suitable for small business operators. With the presence of this machine, it is expected that MSMEs can increase production capacity and competitiveness in the local market. Keywords: Design and construction, Meatball printing machine, Screw conveyor.

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