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Analysis of Lean Manufacturing Implementation to Improve Production Efficiency and Reduce Supply Chain Costs Us-ing the Value Stream Mapping Approach Mochamad Bagus Setiyawan; Slamet Riyadi; Fausta Ari Barata
Management Dynamics: International Journal of Management and Digital Sciences Vol. 2 No. 3 (2025): International Journal of Management and Digital Sciences
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/managementdynamics.v2i3.310

Abstract

In response to increasing competition in the manufacturing sector, PT X—a copper busbar manufacturing company—implemented Lean Manufacturing supported by Value Stream Mapping (VSM) to improve production efficiency and reduce supply chain costs. This study utilizes VSM, Value Stream Analysis Tools (VALSAT), and Root Cause Analysis (5 Whys) to identify sources of waste and formulate improvement strategies. The analysis identified three dominant wastes: waiting time, product defects, and excess inventory. These were mainly caused by the lack of standardized material procedures, inadequate supporting equipment, and poor integration between the incoming inspection process and the Enterprise Resource Planning (ERP) system. To address these issues, the study proposes installing silica rolls, providing air wipers and flatness tools, developing standardized work instructions, and integrating Internet of Things (IoT) technology with the ERP system for real-time monitoring. As a result of implementing these solutions, PT X successfully reduced its defect rate from 6.23% to 1.32%, decreased lead time, and achieved notable savings in supply chain costs. The findings demonstrate that integrating Lean Manufacturing principles with VSM can effectively eliminate non-value-added activities, streamline production processes, and enhance overall competitiveness. This study reinforces the strategic value of Lean tools in continuous improvement initiatives within the manufacturing industry.
Analisis Yuridis Pertimbangan Majelis Hakim Dalam Penjatuhan Pidana Terhadap Prajurit Pelaku Tindak Pidana Kesusilaan Dengan Keluarga Besar TNI Slamet Riyadi; W. Indrajit; Ahmad Jaeni
Al-Zayn: Jurnal Ilmu Sosial, Hukum & Politik Vol 3 No 4 (2025): 2025
Publisher : Yayasan pendidikan dzurriyatul Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61104/alz.v3i4.1701

Abstract

Penelitian ini membahas pertimbangan hukum Majelis Hakim dalam penjatuhan pidana terhadap prajurit TNI yang melakukan tindak pidana kesusilaan sebagaimana tercermin dalam Putusan Nomor 53-K/PM.II-09/AD/IV/2019. Latar belakang penelitian berangkat dari urgensi penegakan disiplin militer yang sejalan dengan prinsip rule of law dan akuntabilitas publik. Tujuan penelitian ini adalah menganalisis dasar yuridis serta implikasi putusan hakim terhadap integritas peradilan militer dan kredibilitas TNI. Metode yang digunakan adalah pendekatan yuridis normatif dengan tipe deskriptif-analitis, menggunakan data sekunder berupa peraturan perundang-undangan, doktrin hukum, serta literatur ilmiah yang relevan. Hasil penelitian menunjukkan bahwa Majelis Hakim menjatuhkan pidana penjara kepada terdakwa tanpa pidana tambahan pemecatan, meskipun perbuatan tersebut terbukti merusak citra, moralitas, dan disiplin militer. Simpulan penelitian menegaskan bahwa pemecatan seharusnya dijatuhkan sebagai langkah preventif dan represif guna menjaga integritas institusi militer, menegakkan disiplin, serta memberikan efek jera, sehingga ke depan diperlukan pedoman yang lebih tegas dalam praktik peradilan militer.
The Influence of Authentic Leadership and Employee Well-Being on Happiness at Work, Exhaustion, and Individual Performance at Yoi Kona Coffee & Space Surabaya Hindami, Moh Argy Hariran; Slamet Riyadi; Sumiati
International Journal of Economics (IJEC) Vol. 4 No. 2 (2025): July-December
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijec.v4i2.1564

Abstract

This study aims to determine the influence of Authentic Leadership and Employee Well- Being on Happiness at Work, Exhaustion, and Individual Performance in Yoi Kona Coffee and Space Surabaya. This study was quantitative in nature. The analysis tool used is The Structural Equation Model (SEM) data analysis method using the Warp PLS 3.0. The sample consisted of 70 respondents using a saturated sample. The results of this study indicated that Authentic Leadership had no significant effect on Exhaustion. Authentic Leadership has a significant effect on Happiness at Work. Authentic Leadership had a significant effect on Individual Performance. Employee Well-Being has a significant effect on Exhaustion. Employee Well-Being has a significant effect on Happiness at Work. Employee Well-Being has a significant effect on Individual Performance. Happiness at Work significantly affects Individual Performance. Exhaustion has a significant effect on Individual Performance
Strategi Pengelolaan Sarana Prasarana Pendidikan untuk Menciptakan Lingkungan Belajar yang Kondusif: Penelitian Slamet Riyadi
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 1 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 1 (Juli 2025 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i1.2409

Abstract

The purpose of this study is to determine the strategy for managing educational facilities and infrastructure to create a conducive learning environment. This research approach collects data through a literature study, which involves reading literature from various sources including books, reports, articles, and journals using qualitative and deductive approaches. The results of this study are that the management of educational facilities and infrastructure is a key factor in creating a conducive learning environment. This process includes planning, procurement, inventory, arrangement, use, maintenance, and disposal of facilities so that they can function optimally in supporting learning. However, its implementation often faces various challenges such as budget constraints, weak planning, lack of competent human resources, technological developments, and regulatory changes. To overcome these challenges, strategies that can be taken include optimizing the use of existing facilities, using information technology, increasing teacher creativity, collaborating with external parties, utilizing public facilities, and developing educator competencies on an ongoing basis. With this approach, schools can manage facilities and infrastructure effectively while creating a conducive learning environment.
Andragogy and Edutainment Approach: A Cross-Generational Solution for Improved Worship Practices Slamet Riyadi; Rifal Efendi; Giandra Oliver; Cahya Trismawan; Zuffy Aslam; Muhammad Madjid Wicaksono; Al Kautsar Amin
As-sunnah: Jurnal Pengabdian Masyarakat Vol 4 No 3 (2024): AL-ARKHABiiL: Jurnal Pengabdian Masyarakat
Publisher : ASSUNNAH PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51590/jpm_assunnah.v4i3.779

Abstract

This research is a Participatory Action Research (PAR) that aims to improve the understanding and practice of ibadah in the Kampung Batu Dalam, Solok district community. Research is carried out through several cycles of planning, action, observation, and reflection. In Cycle 1, diagnosis of problems is carried out through initial observation, identification of problems, analysis of root problems, and consultation with stakeholders. The lecture and learning methods were chosen as the initial action. Cycle 2 focuses on religious learning activities such as worship, sanctification, and sacrament and is taught to the community and children. The methods used include routine learning, competition, and active involvement of the community and children. Evaluations at Cycle 3 show success in raising children's spirits, but the main challenge is the difficulty of reaching older people who are still tied to the old tradition. The main findings of this study were the importance of combining an andragogic approach for the elderly and innovative game-based learning methods for children. Combining these two approaches is a creative and replicable solution to address similar problems in other societies with different characteristics.
Effect of Cutting Parameter Toward The Surface Roughness Applied In Turning Tool Steel Material Gatot Setyono; Slamet Riyadi; Muharom; Ong Andre Wahyu Riyanto; Sigit Pratama
Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i2.1533

Abstract

In this study, the effect of the tool-tip radius and cutting process parameters on the quality of the machining process experimentally on the use of SKD 11 tool steel material. Several radius (0.80 mm, 1.20 mm, 1.60 mm) and the parameters of the cutting process, specifically feed rate, cutting speed, and depth of cut. The ANOVA method used in this study aims to analyze the cutting process parameters on the surface quality of the workpiece and the cutting force. The analysis of this research results in certain conditions in which the feed rate significantly affects surface quality. However, this is contrary to the depth of cut parameter, which affects the cutting force. This study also observed the effect of the tooltip radius on the optimal surface quality when using a 0.80 mm radius. The second-order regression modeling used in this analysis shows a very good level of accuracy, with the correlation value of accuracy ranging from 96% to 98%.
High electric current and hours can increase layer thickness and decrease white rust corrosion using Zn2+ electroplating Slamet Riyadi; Yanuar Zulardiansyah Arief; Antonius Darma Setiawan; Agung Pangestu; Rosyid Ridlo Al-Hakim
Journal of Technology Informatics and Engineering Vol. 1 No. 2 (2022): August: Journal of Technology Informatics and Engineering
Publisher : University of Science and Computer Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/jtie.v1i2.140

Abstract

Electroplating was the process of coating metal surfaces using the electrochemical method. We used alkaline zinc (Zn2+) plating that was anti-corrosion coating, cheapest, evenly adhesion, as well as better-looking crushing. This study aims to test and measure the thickness of the layer on spark plugs with variations in different electrical currents 300, 400, and 500A and increased hours during the coating process, investigate the corrosion resistance of white rust on the surface and analyze the changes in alkaline zinc concentration and temperature that affect the thickness of the layer, respectively. The results, such as 1st sample 13 pcs, 300A, and thickness of 7.26-micron with white rust 9 pcs. 2nd sample 13 pcs, 400A, and thickness of 9.15-micron white rust 5 pcs. 3rd sample 13 pcs, 500A, and thickness of 12.75-micron white rust 3 pcs. The high electric current (500A) and 45 hours of the experiment would influence the lowest white rust corrosion level. The high alkaline zinc solution with an optimum 36°C solution temperature and 500A electric current would undoubtedly deposit the white rust until 3 pcs.
The Effects of Workload and Compensation on Turnover Intention With Burnout as An Intervening Variable Among Millennial Employees of PT. KGM Erlinda Dwi Puspitasari; Slamet Riyadi; Abdul Halik
International Journal of Economics (IJEC) Vol. 3 No. 1 (2024): January-June
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijec.v3i1.516

Abstract

Human resources are plentiful in Indonesia, yet many businesses still need to build up their HR departments. As competition for jobs becomes fiercer, businesses face new challenges including employee churn. This was done so that we could learn how burnout affects PT. KGM employees' willingness to leave their current jobs in relation to workload and pay. The sample size is representative, consisting of 208 PT. KGM staff members. Sixty-eight people were included in the sample. Interviews and questionnaires as methods of gathering information. SEM-PLS is used for data processing and analysis. In light of the data, it may be concluded that (1) workload significantly affects burnout. (2) There is no correlation between pay and job satisfaction or burnout. (3) there is no correlation between work load and a person's purpose to leave their current job. (4) There is no correlation between pay and desire to leave the company. (5) Burnout significantly affects intentions to leave a company. (6) Burnout mediates well since it has been shown that burnout and workload have a substantial impact on turnover intention. (7) There is no statistically significant mediation impact of burnout on the connection between pay and desire to leave the organization. The goal of PT KGM is to limit the number of workers who want to leave the company by improving working conditions and paying them a competitive wage.
The Effect of Transformational Leadership and Organizational Culture on Employee Performance with Work Environment as Mediation Variable (Study at PT Japura Inti Pangan) Cindy Chintya Aristarini; Slamet Riyadi; Abdul Halik
International Journal of Economics (IJEC) Vol. 3 No. 1 (2024): January-June
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijec.v3i1.574

Abstract

Employee performance is a result of effort, perception and task ability given to achieve organizational success with the level and mastery of skills possessed by subordinates with the responsibilities given. There are several factors that affect the level of performance of an employee including transformational leadership, organizational culture, and work environment. The approach used is quantitative withthe data collection method using a questionnaire. In this study the population was all employees of the marketing division of PT Japura Inti Pangan with a saturated sampling technique of 45 employees. The analysis technique used is Path Analysis through SmartPLS version 4 software. The measurements used include outer model measurements, mediation tests and inner models. The field findings show that Transformational Leadership significant effect on the work environment with a coefficient value of 1,195 pvalue 0.000. Organizational culture has no significant effect on the work environment with a coefficient of -0.382 p-value 0.000. The work environment has a significant effect on employee performance with a p-value of 0.003 for a coefficient of 0.601. Environment work is able to mediate between the influence of transformational leadership on employee performance. While the work environment has not been able to mediate between the influence of organizational culture on employee performance.
META ANALISIS MANFAAT PENGGUNAAN BIAYA KUALITAS TERHADAP PROFITABILITAS PERUSAHAAN Nurhayat Rokhmat Wijaya; Nadine Ramadhanty; Sariah; Maria Yovita R. Pandin; Slamet Riyadi
Journal of Social and Economics Research Vol 5 No 2 (2023): JSER, December 2023
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jser.v5i2.176

Abstract

Kualitas. merupakan dimensi kritis dalam persaingan bisnis yang memengaruhi daya saing perusahaan. Biaya kualitas, termasuk produksi dan perbaikan cacat, berperan penting dalam pengendalian kualitas produk. Kualitas yang tinggi dapat. meningkatkan. pangsa. pasar. dan. nilai. penjualan, serta mengurangi biaya, sehingga meningkatkan profitabilitas perusahaan. Dengan merujuk kepada kejadian. tersebut, peneliti. menjalankan meta analisis dengan mempertimbangkan tujuan penelitian, variabel, objek penelitian, populasi/sampel penelitian, metode pengumpulan. data-, dan instrumen analisis-yang-diterapkan. Penelitian ini dimaksudkan guna. memahami juga. mengulas kemajuan dalam penelitian-seputar system, tingkat sistem. dan profitabilitas. Metode yang diterapkan dalam penelitian ini adalah meta-analisis. Meta.-analisis adalah evaluasi terhadap beberapa temuan penelitian. pada isu yang serupa. Data analisis yang menjadi dalam fokus penelitian. ini adalah dokumen. tertulis yang membahas manfaat biaya kualitas, seperti artikel jurnal, yang dinilai berdasarkan keterkaitannya dengan tema. penelitian. Metode analisis data yang diterapkan mencakup analisis data kuantitatif menggunakan presentase, serta analisis data kualitatif untuk data. yang dihasilkan dari analisis deskriptif. pada 20 penelitian/yang memeriksa dampak biaya kualitas terhadap profitabilitas. Hasil temuan dari meta.-analisis, yang didasarkan pada tujuan penelitian, variabel penelitian, populasi penelitian, teknik pengumpulan data, dan alat. analisis, berdasarkan kategori. sistem biaya kualitas dapat memberikan kontribusi saat menilai restasi optimal dalam profitabilitas perusahaan.
Co-Authors Abdel Aty, Ahmed Abdul Halik Abdul Karim Abdurrahman Afif Achamd Zakaria Adolf Asih Supriyanto Afzeri Afzeri Agung Nugroho Agung Pangestu Ahmad Jaeni Al Azhar Al Kautsar Amin Amelia Dwi Lestari Amru Abdul Wadud Anandio Triartomo Anggi Antoni, Rizka Arbonas Lubis Aulia Rizki Alda Awlya Hamlatul Arsy BACHTIAR SYAIFUL BACHRI Bagus Riyanto Beauty Anggraheny Ikawanty Bramastia Cahya Trismawan Chintya Anggun Lestari Cindy Chintya Aristarini Dadang Setiyono Danyl Mallisza Deni Kurnia Dewirman Prima Putra Dia Ayu Ningtyas Dian Eriana Nur Hidayah Djuma’iyah Dwi Aprilariadi Edi Sulistio Budi Ekwan Setyo Utomo Ella Dwi Cahyani Erlinda Dwi Puspitasari Esti Sumirat Falah Ramadhan Fattah Alisyahputra Harahap Fausta Ari Barata Fausta Ari Brata Fian Triadi Gatot Setyono Giandra Oliver Hadisantoso, Feri Siswoyo Hadma Yuliani Hapijah Hasibuan, Muhammad Syarif Muda Hasugian, Dirja Hendra Sudrajat Hendri Setiawan Heni Elia Wati Hindami, Moh Argy Hariran Ida Aju Brahma Ratih Ika Devy Pramudiana Ima Widiyanah Imam Muis H Ines Heidiani Ikasari Iswandi Iswandi Jian Haerani Junia Vitaloka, Viola Karina Sekar Rachmadanti Khairul Anhar Leo Anggar Prasetyo Lily Budinurani Lubis, Arbonas Luthfi Angger Ramdhani M. Fatchurahman M. Yogi Riyantama Isjoni Maharani Syabila JR mallisza, Ade Setia Wati mallisza, Danyl Mallisza mallisza, M. Iqbal mallisza, Muhammad Afdil mallisza, Retno Aprilla Hardi mallisza, Robi Arianto mallisza, Viola Aysiah Margarita Maramis, Margarita Maria Yovita R Pandin Maria Yovita R. Pandin Maulana Abdillah Meor Muhammad Afif Aiman Abu Bakar Miftahul Ifan, Muhamad Mochamad Bagus Setiyawan Moh Farhan Mahendra Mohammad Sihab Ridwan Muh. Furqon Hidayatullah Muhajirah Binti Jamaluddin Muhamad Priyo Budi Purnomo Muhammad Madjid Wicaksono Muhammad Ramadhan Muhammad Za’imul Haq Muharom Mukhnizar , Muknizar Mulyanto Nugroho Nadine Ramadhanty Nala Hikmatul Machmudah Nanda Pinandita Nasy`an Taufiq Al Ghifari Naufal Dzakwan Hilmy Nazili Nazili Ninik Septyani NOVITA WULANDARI Nur Adilah Nur Adilah Nuradilah Nurhayat Rokhmat Wijaya Nurul Fauziah Ali Nurul Hikmah Kartini Nur’aini, Dika Ong Andre Wahyu Riyanto, Ong Andre Wahyu Pramudya Audrey Prienycha Islamey Prewati, Puri Handayani Sura Putri Adeyola, Aisyah Reinaldi Teguh Setyawan Restian Gigih Sejati Rifal Efendi Rifdah Indriani Rinaldi Rinaldi Rizal Maulana Rizki Apriansyah rosma rosma Rosyid Ridlo Al-Hakim Rozaanah, Rozaanah Sabrina Camila Octavia Sahid Anabah Sariah Sendie Yuliarto Margen Sephia Sephia Setiawan, Antonius Darma Sigit Pratama Siti Aisyah Sri Roekminiati Stephanie Pereira Sumiati Sunu Dias Widhi Kurniadi Surya Syafiqoh Arroji Suryaningrat Suwardi Suwardi Suwardi Suwardi Syahri Ramadona Taufiq Agus Supriyanto Tazkiyatun Nisa W. Indrajit Widiyatmoko, Widiyatmoko Widyawanti Wati, Nuraifah Yanuar Zulardiansyah Arief Zahra Zahra Zuffy Aslam Zulham Effendi