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All Journal INAQUE: Journal of Industrial & Quality Engineering Jurnal Penelitian Inovatif
Puspita, Hermita Dyah
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Humanities Computer Science & IT Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences

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ESTIMASI BIAYA GARANSI DENGAN PENDEKATAN SKALA WAKTU TERBAIK PRODUK KENDARAAN TRUK MERK "X" DI PT ABC Puspita, Hermita Dyah; Norina, Rida; Puspawardhani, Gianti
Inaque : Journal of Industrial and Quality Engineering Vol 11 No 2 (2023): Inaque Oktober 2023
Publisher : Teknik Industri Unikom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/iqe.v11i2.11257

Abstract

ABSTRACT A warranty is an agreement between a manufacturer and a consumer that guarantees the quality of a product for a certain period or period of use. There is a warranty, products that are defective before the warranty period expires will be replaced or repaired by the manufacturer. From the consumer's perspective, a warranty serves as a guarantee of protection against a product failing or not performing as expected and also as a provider of information about the quality of the product. From the manufacturer's perspective, warranties provide benefits by protecting the manufacturer from excessive consumer complaints. This study aims to determine the estimated warranty costs for “X” brand truck products sold by PT ABC using the best time scale method. The policy implemented by the company is a two-way warranty policy, specifically a warranty policy for automobile products for a period of 3 years or 100,000 km, whichever comes first. The purpose of this study is to perform estimates for branded heavy goods vehicles. The estimated parameters of the truck damage model were obtained using the maximum likelihood method. With the Golden Section algorithm, the resulting parameter is ∈0 = 0.35125 with a minimum variance coefficient obtained of 0.7427391 and a guarantee limit at L= 5.4588. The K distribution of the best fitting time scale is an exponential distribution with parameter λ = 0.964902. The estimated warranty cost for truck brand “X” in company “ABC” using the best time scale method produces a cost of IDR 958,949,134. Keywords: 1 Dimension Guarantee, Best Time Scale, Maksimum Likelihood Estimation.
Integrasi Evaluasi Ergonomi dan Perancangan Teknik dalam Pengendalian Risiko Manual Material Handling: Studi Kasus pada Industri Manufaktur Nasution, Andri Rachmat Kumalasian; Ramadhanti, Ledina; Fauziah, Anisa; Puspita, Hermita Dyah
Jurnal Penelitian Inovatif Vol 6 No 1 (2026): JUPIN Februari 2026
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jupin.2269

Abstract

Manual material handling (MMH) merupakan salah satu sumber utama risiko ergonomi dan gangguan muskuloskeletal pada industri manufaktur. Penelitian ini bertujuan untuk mengevaluasi efektivitas pengendalian teknik berupa alat bantu kerja ergonomis dalam menurunkan risiko MMH. Penelitian menggunakan pendekatan terapan dengan desain pre–post intervention melalui integrasi metode Nordic Body Map (NBM), Rapid Entire Body Assessment (REBA), Revised NIOSH Lifting Equation (RNLE), dan Snook Tables. Hasil evaluasi kondisi awal menunjukkan dominasi keluhan pada punggung bawah (77%), skor REBA sebesar 12 (risiko tinggi), lifting index di atas 5, serta rasio beban terhadap maximum acceptable weight (MAW) melebihi 1. Berdasarkan diagnosis tersebut, dirancang alat bantu berbasis pengendalian teknik untuk mengurangi fleksi batang tubuh dan mengeliminasi aktivitas angkat manual selama transportasi. Evaluasi pascaimplementasi menunjukkan penurunan signifikan risiko ergonomi, ditandai dengan skor REBA sebesar 1, nilai lifting index di bawah satu, dan rasio beban terhadap MAW mendekati nol. Temuan ini mengonfirmasi bahwa pengendalian teknik yang dirancang secara ergonomis efektif meningkatkan keselamatan kerja dan dapat menjadi solusi praktis bagi industri manufaktur skala menengah.
Co-Authors Fauziah, Anisa Nasution, Andri Rachmat Kumalasian Norina, Rida Puspawardhani, Gianti Ramadhanti, Ledina