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All Journal OPSI INAQUE: Journal of Industrial & Quality Engineering JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Journal of Appropriate Technology for Community Services International Journal of Multidisciplinary Approach Research and Science Jurnal Desiminasi Teknologi
Maria Puspita Sari, Maria Puspita
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences

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Evaluasi Penggunaan Software Lathe Simulator Dengan Menggunakan User Experience Questionaire Prasetyo, Rian; Sari, Maria Puspita; Suprapto, Suprapto; Sari, Marta Hayu Raras Sita Rukmika
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 7, No 3 (2022): September 2022
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v7i3.1239

Abstract

Manufacturing industry is one of industrial sector in Indonesia that interesting to research. Based on Indonesian GDP in 2015, this sector has a contribution up to 21.13 percent. Most of production process in manufacturing industry used to machining process. One of them is lathe. Moreover, HR preparation is needed, due to have knowledge about this machine. One of them is using machine simulator called “Lathe Simulator 1k62”. The purpose of this research is to find out user experienced of “Lathe Simulator 1k62”. The research method is giving several tasked to respondent, then to fill the User Experienced Questionnaire (UEQ) to find out the Attractiveness, Perspicuity, Efficiency, Dependability, Stimulation, and Novelty. The result found that all of the respondent had complete the assigned task. The UEQ, found that “Lathe Simulator 1k62” in generally had positive value, based on Attractiveness, Perspicuity, Efficiency, Dependability, Stimulation, and Novelty all above 0.8. Furthermore, user experienced of “Lathe Simulator 1k62” had “good” category compared to other software.Keywords: User Experienced, UEQ, Usability, Simulator
ANALISIS PENGENDALIAN KUALITAS UNTUK MENURUNKAN CACAT PRODUK KAOS JERSEY DENGAN METODE SIX SIGMA DAN RCA DI KONVEKSI X Supmana, Serly; Prasetyo, Rian; Sari, Maria Puspita
Inaque : Journal of Industrial and Quality Engineering Vol 12 No 2 (2024): Inaque Oktober 2024
Publisher : Teknik Industri Unikom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/iqe.v12i2.15624

Abstract

Quality control is an important aspect in increasing the efficiency and reliability of production processes in business. This research was conducted at industry X in the textile industry. This research examines t-shirt products because they are the best seller products. In the t-shirt production process at this convection, there is a percentage of product defects in jersey t-shirts of 6.22% which exceeds the convection target. This problem can be detrimental to the convection. The aim of this research is to reduce defects in t-shirt products using the six sigma and RCA methods, with this method it can reduce defects to close to zero defects. Based on research results on jersey t-shirts, there are 4 types of defects and the most dominant ones that cause defects on t-shirts are screen printing, 3 types of defects. Result 4 Fishbone Diagram of the main factors that cause defects in t-shirt products, namely, human factors, machines, materials and methods. In conclusion, from the 4 factors that cause defects in t-shirts, the proposed improvements are implemented, namely, providing understanding, warning and giving rest time to operators, checking raw materials at the beginning before entering the warehouse and using them, carrying out machine maintenance and using the right machine settings, implementing SOPs. work, and stricter QC supervision. Based on the results of the implementation of the proposed improvement, this research succeeded in reducing defects. Before repairing jersey t-shirt defects, the percentage was 6.22% to 0.91% with a reduction difference of 5.31%. This reduction has reached the convection target, which targets 0-5% product defects on t-shirts
Pelatihan Desain Menggunakan Software SolidWorks dan 3D Printing untuk Siswa SMK Prasetyo, Rian; Lestari, Mathilda Sri; Komariah, Ainur; Suprapto, Suprapto; Sari, Maria Puspita
Journal of Appropriate Technology for Community Services Vol. 6 No. 1 (2025)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jattec.vol6.iss1.art3

Abstract

Digital technology, especially SolidWorks software and 3D printing, has brought significant changes to the modern manufacturing industry, increasing efficiency, productivity, and product quality. The problems faced by vocational school graduates are related to their lack of skills in operating the software. Community service activities aim to provide solutions, with direct training, to overcome the skills gap that arises due to the lack of facilities and competent teachers in the vocational school environment. Training methods include delivering material with practical exercises and using evaluations to measure participants' understanding. The main goal is to improve product design skills using SolidWorks and operating 3D printing machines. Based on the training carried out, it shows an increase in participants' knowledge regarding the operation of SolidWorks software and 3D printing. This can be seen from the increase in post-test scores of 6.34% compared to the pre-test. In addition, the participants' 3D printed parts showed better quality in terms of dimensional accuracy, visual surface roughness, and fewer defective parts compared to before the training.
Analysis of workload and fatigue Batik Cap workers in Sukoharjo Lestari, Mathilda Sri; Komariah, Ainur; Suprapto, Suprapto; Sari, Maria Puspita
OPSI Vol 17 No 2 (2024): ISSN 1693-2102
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v17i2.10947

Abstract

Batik is an ancestral heritage of the Indonesian people that has been preserved to this day, particularly on the island of Java. In Java, the centers of the batik industry are located in Pekalongan, Yogyakarta, Surakarta, and Sukoharjo. In Sukoharjo, there are several home industries producing batik cloth, especially in the Krendetan Sukoharjo area, which specializes in both written and stamped batik. The batik-making process in these home industries is performed manually using simple tools. A preliminary survey revealed that the batik-making process involves repetitive tasks and imposes a high workload, particularly in the batik stamping process. This study aims to determine energy expenditure during work, energy expenditure during rest, and energy consumption needs for workers in the batik industry. The research was conducted in the stamping section and the boiling process to remove wax from the fabric. The results showed that energy expenditure during the batik stamping process was 382 kcal/hour, while in the boiling process it was 402 kcal/hour. Energy expenditure during rest was 354 kcal/hour in the stamping process and 367 kcal/hour in the boiling process. Energy consumption during the stamping process was 29 kcal/hour, and in the boiling process, it was 36 kcal/hour. The required rest time for the stamping process was 7.43 minutes per 15 minutes of work, while for the boiling process it was 5 minutes per 30 minutes of work.
Mental Workload Analysis of Nurses in the Intensive Care Unit and Central Surgical Installation of Hospital X Komariah, Ainur; Amelia, Ruth; Suprapto, Suprapto; Sari, Maria Puspita; Hartanti, Sri
International Journal of Multidisciplinary Approach Research and Science Том 4 № 01 (2026): International Journal of Multidisciplinary Approach Research and Science
Publisher : PT. Riset Press International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59653/ijmars.v4i01.2050

Abstract

Quality of service in hospitals depends on the performance of health workers. In the Intensive Care Unit (ICU) section, patients need intensive care. However, the number of nurses at XYZ Surakarta Hospital is inadequate. ICU nurses have a high mental workload. This study focuses on mental workload, because it has a significant impact on the performance of nurses in the hospital. The research aims to measure and analyze the mental workload of ICU nurses at XYZ Surakarta Hospital. This research use NASA-TLX method. The object of this study was 9 nurses using a questionnaire. The mental workload score is calculated from the average Weighted Workload score. Nurses is over 30 years old are proposed to have more working hours than nurses under 30 years old. It’s to reduce the overall mental workload. The level of focus of nurses is a very important factor in serving patients, to reduce wrong actions occur So an additional nurse is needed in the amount of 1 person with an age range of 20-30 years. So that the number of working hours of nurses becomes 43 hours/week.
ANALISIS LINE BALANCING PADA LINTASAN PRODUKSI PT. X DENGAN RANKED POSITIONAL WEIGHT (RPW) Sari, Maria Puspita; Vika Indriana; Suprapto
Jurnal Desiminasi Teknologi Volume 14 Nomor 1 Januari 2026
Publisher : Fakultas Teknik Universitas Tridinanti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52333/destek.v14i1.1697

Abstract

Line balancing adalah metode penugasan sejumlah pekerjaan kedalam stasiun-stasiun kerja yang saling berkaitan dalam suatu lintasan produksi untuk meminimumkan ketidakseimbangan waktu antar stasiun kerja. PT. X merupakan perusahaan yang bergerak di bidang industri garment. Penelitian ini difokuskan pada satu line yang mengerjakan jenis pants, dengan 7 pembagian stasiun kerja. Pada saat proses produksi berlangsung terdapat stasiun kerja yang terjadi kesibukan sehingga mengakibatkan bottleneck, yaitu pada stasiun kerja 6. Dalam penelitian ini digunakan pemecahan masalah dengan metode Ranked Positional Weight (RPW) yaitu memaksimalkan efisiensi dari lintasan produksi yang ada dengan menghasilkan perubahan jumlah stasiun kerja dari 7 stasiun kerja menjadi 6 stasiun kerja. Nilai Idle Time menurun 89 detik dari sebelumnya 190 detik menjadi 176 detik, nilai Balance Delay menurun menjadi 12,71% atau mengalami penurunan sebesar 2,20% dari 14,91%, sedangkan nilai Efisiensi Lintasan produksi meningkat 2,83% menjadi 87,92% dari 85,09%.
Co-Authors Amelia, Ruth Hartanti, Sri Komariah, Ainur Lestari, Mathilda Sri Rian Prasetyo Sari, Marta Hayu Raras Sita Rukmika Supmana, Serly SUPRAPTO Suprapto Suprapto Vika Indriana Vika Indriana