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All Journal Jurnal Surya Teknika JISO : Journal of Industrial and Systems Optimization
Aulia, Dian Rahma
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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PENENTUAN BAHAN BAKU MENGGUNAKAN METODE FUZZY GOAL PROGRAMMING PADA UKM FURNITURE Purnama, Jaka; Putri, Erni Puspanantasari; Sajiyo, Sajiyo; Aulia, Dian Rahma; Pratama, Novi Ariyan
JISO : Journal of Industrial and Systems Optimization Vol. 7 No. 1 (2024): Juni 2024
Publisher : Universitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/jiso.v7i1.1-7

Abstract

Jombang Regency is one of the furniture producers which supplies many cities in Indonesia. Production activities are carried out at the furniture SMEs center in Catak Gayam village, Mojowarno, Jombang. Furniture SMEs strive to serve consumer needs according to demand. SMEs prepare teak wood raw materials by ordering wood from suppliers. It is difficult for furniture SMEs to determine the number of teak wood orders that match consumer product demand. The Fuzzy Goal Programming method is able to provide solutions for determining of raw materials according to consumer needs. The results of this research formed a model that was used to determine the amount of teak wood raw material according to demand of 25.03 m3 per order. Furniture SMEs set a profit target of 0.25. This condition shows the most optimal conditions in production activities at SMEs Furniture. Kabupaten Jombang merupakan salah satu penghasil furniture yang banyak menyuplai di kota-kota berada di Indonesia. Kegiatan produksi dilakukan di sentral UKM furniture di desa Catak Gayam, Mojowarno, Jombang. UKM furniture berupaya dalam melayani kebutuhan konsumen sesuai dengan permintaan. UKM menyiapkan bahan baku kayu jati dengan cara memesan kayu ke supplier. Sulitnya UKM furniture dalam menentukan pesanan kayu jati yang sesuai dengan permintaan produk yang dibutuhkan konsumen. Metode Fuzzy Goal Programming mampu memberikan solusi penentuan jumlah bahan baku sesuai dengan kebutuhan konsumen. Hasil penelitian ini terbentuk suatu model yang digunakan untuk menentukan jumlah bahan baku kayu jati sesuai dengan permintaan sebesar 25,03 m3 setiap kali order. UKM furniture memberikan target keuntungan sebesar 0,25. Kondisi ini menunjukan kondisi yang paling optimal dalam kegiatan produksi pada UKM Furniture.
Perancangan Ergonomic Automix-Liquid Soap dan Kelayakan Investasi Guna Meningkatkan Kapasitas Produksi di PT. SKI Aulia, Dian Rahma; Satoto, Handy Febri
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9338

Abstract

PT. SKI produces GoClink liquid soap but faces challenges in detergent production, especially during mixing, which uses a semi-automatic tool. Mixing and stirring take about 43 minutes for 80 liters per day, done by 2 operators with poor ergonomic posture (REBA score 10). This study designs an automatic mixer (Automix-Liquid Soap) based on anthropometry and ergonomics to boost capacity, speed up production, and reduce operator workload. Methods include field observation, Stopwatch Time Study, REBA evaluation, design based on anthropometric data from 5 workers, and investment feasibility analysis using Net Present Value (NPV). Results show mixing time improved by 71.2%, cutting 184.54 seconds (from 259.14 to 74.60 seconds), and stirring time improved by 71.3%, reducing 1,667.34 seconds (from 2,338.2 to 670.86 seconds). Capacity rose to 180 liters, REBA score improved to 2, and labor efficiency increased by 50%. An investment of Rp10,589,625 is financially viable with a positive NPV of Rp20,372,845.
Co-Authors Erni Puspanantasari Putri, Erni Puspanantasari Pratama, Novi Ariyan RR. Ella Evrita Hestiandari Sajiyo Sajiyo, Sajiyo