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All Journal Jurnal Sains dan Aplikasi Keilmuan Teknik Industri
Yuswono Hadi
Industrial Engineering Universitas Ma Chung
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Transportation

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Analisis Produktivitas Unit Produksi di Perusahaan Abon UD Sumber Hasil Malang dengan Menggunakan Metode Objective Matrix (Omax) Richard Sijoatmodjo; Yuswono Hadi
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 1 No. 1 (2021): June 2021
Publisher : Teknik Industri Universitas Ma Chung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (569.08 KB) | DOI: 10.33479/jtiumc.v1i1.6

Abstract

This study focuses on the importance of high productivity in companies' production processes and its impact on profits. The study uses the Omax method to measure productivity in a company's production process. The Omax method is based on four variables: the amount of meat used, the amount of beans used, the amount of electricity used, and the amount of labor used. The study found that higher productivity leads to higher profits, and companies can use the Omax method to measure their productivity level and improve their production processes. The study's results show that the average Productivity Index (PI) for 24 observation periods is 3.151667, with the lowest PI value being 1 and the highest being 5.79. Companies can follow the proposed calculation procedure to determine the productivity level of their production unit using the Omax method. Overall, the study emphasizes the importance of measuring productivity and using appropriate methods to improve production processes to achieve higher profits.
Analisis Perancangan Usaha Pemanfaatan Limbah Produksi Tempe di UMKM Amanah Sanan Malang Bagus Kurniawan Mahardika; Yuswono Hadi
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 1 No. 2 (2021): December 2021
Publisher : Teknik Industri Universitas Ma Chung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.167 KB) | DOI: 10.33479/jtiumc.v1i2.13

Abstract

This research aims to minimize waste and increase revenue by utilizing soybean waste in the form of soybean skins and cooking water to produce Tempeh flour and Nata de soya. The study was conducted at Amanah where approximately 50-60 kg of solid waste and more than 45 liters of liquid waste are generated every day. The waste was collected, analyzed, and processed using a business design analysis method. Data were collected through interviews and observations with the owner of Amanah. The financial aspect of the business plan was evaluated using the payback period (PP), net present value (NPV), and internal rate of return (IRR). The results showed that the business plan had a PP of 2.58 years and was considered feasible with an NPV of $42,321,728.56 and an IRR of 56%, which is higher than the minimum acceptable rate of return (MARR) of 17.1%. This research provides a solid foundation for Amanah to develop the project further in the future. Therefore, this study is expected to be useful for other Tempeh industries that want to minimize waste and increase their revenue through waste utilization.
Usulan Rancangan Ulang untuk Area Makan di Dr. Mochtar Riady Student Center Universitas Ma Chung Malang Priskila Mega Octiandriani; Teguh Oktiarso; Yuswono Hadi
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 2 No. 2 (2022): December 2022
Publisher : Teknik Industri Universitas Ma Chung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1160.669 KB) | DOI: 10.33479/jtiumc.v2i2.28

Abstract

This study aimed to propose a layout design for the dining area of Dr Mochtar Riady Student Center, Universitas Ma Chung using ergonomics to maximize the area and support facilities. Currently, the dining area is not utilized optimally, and the facilities are inadequate. The study utilized an ergonomic approach to develop a layout design that can maximize the area and support facilities on the 1st and 2nd floors. The proposed design includes an increase in tables from 36 to 138, chairs from 190 to 652, electrical contact areas from 3 to 22, and trash bins from 3 to 14. Additionally, the design includes new facilities for stands, booths, sinks, and return racks to enhance the dining experience. The proposed layout design can provide a comfortable and ergonomic dining area for students, employees, and lecturers. The results of the study can be used as a reference for other universities in optimizing their dining areas.
Pengendalian Kualitas Menggunakan Metode Six Sigma dan FMEA untuk Mengurangi Reject Material Preform pada Industri AMDK Novyantika Alfarizi; Sunday Noya; Yuswono Hadi
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 3 No. 1 (2023): June 2023
Publisher : Teknik Industri Universitas Ma Chung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/sakti.v3i1.41

Abstract

One of the stages of bottled drinking water production at PT X is bottle making using preform material. Preform material is made from PET (Polyethylen Terphtalate). During the production process, there are preform material rejects such as broken bottles, unstable bottle thickness, white preforms, pinched bottles, and white bottles. The total preform material rejects during January to October 2022 amounted to 0.98% or there were 234,504 pcs of preform rejects from the total production of 23,905,322 bottles. The percentage of preform material rejects is above the company standard of 0.5%, so it requires Six Sigma and FMEA methods to reduce these rejects. The proposed improvement recommendations are blowing machine operation checklist form, preform specification form for suppliers, and training schedule form. However, the recommendation that was implemented was the blowing machine operation form checklist because machine malfuction was the main factor causing preform material rejects based on FMEA analysis. The recommendation was implemented for one month in November and succeeded in reducing preform material rejects by an average of 0.86% or there were preform rejects of 298,641 pcs of preforms from a total production output of 34,599.74 bottles during January to November 2022. The final calculation after the implementation of the proposed improvements shows that there is a decrease in the DPMO value from 1961.93 to 1726.26 and an increase in the sigma level value of 4.42 sigma which was previously 4.38 sigma, from this value it shows that the sigma level has increased by 0.04 sigma. Keywords: Reject, Preform Material, Six Sigma
Co-Authors Bagus Kurniawan Mahardika Novyantika Alfarizi Priskila Mega Octiandriani Richard Sijoatmodjo Sunday Noya Teguh Oktiarso