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Widya Setia Findari
Universitas Teknologi Yogyakarta
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IMPLEMENTASI JUST IN TIME TERHADAP EFISIENSI PASOKAN BAHAN LEATHER DI PABRIK GLOVE PT ADI SATRIA ABADI Syahrul Hidayatullah; Widya Setiafindari
JURNAL MULTIDISIPLIN ILMU AKADEMIK Vol. 2 No. 6 (2025): Desember
Publisher : CV. KAMPUS AKADEMIK PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jmia.v2i6.7274

Abstract

Poorly managed raw material inventory can lead to cost inefficiencies, stock accumulation, and disruptions in production flow. PT Adi Satria Abadi, a glove manufacturing company, has experienced excessive leather raw material inventory due to a procurement system that has not yet been optimally implemented. This study aims to analyze the application of the Just-In-Time (JIT) method in improving the efficiency of leather raw material supply and reducing inventory costs. The research employs a quantitative descriptive method with a case study approach, using data on raw material purchases, material usage, inventory costs, and ordering frequency. The analysis compares conditions before and after the implementation of the JIT method, including optimal order quantity, total inventory cost, and storage efficiency. The results show that the implementation of the JIT method reduced inventory costs by 59.2%, decreased idle stock by 37%, and improved the smoothness of raw material supply by 36.36%. Therefore, the JIT method can serve as an effective solution for companies in managing leather raw material inventory efficiently and sustainably.
PENERAPAN METODE JUST IN TIME SEBAGAI UPAYA MENINGKATKAN EFESIENSI BIAYA PERSEDIAN BAHAN BAKU PT CITRA ADILANCAR Nuzul Eky Fachrezy; Dika Aprian Fratama; Resa Aulia Febriansyah; Widya Setiafindari
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 3 (2024): Juni : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i3.1404

Abstract

This study aims to evaluate the inventory control system of PT Citra Adilancar which can minimize inventory costs by comparing the company's total inventory cost system. So a research was carried out using the Just In Time method to reduce excess raw materials and the kanban method to expedite the Just In Time course so that there is no excess raw material anymore. The objects of this research were plate raw materials, holo iron, angle iron, resin, talc, fiber, catalyst and putty with several variables. The dependent variable is optimal raw material inventory and minimum total inventory cost, while the independent variables are raw material inventory data, raw material ordering costs, holding costs, demand data, and ordering data. The method used in this study is the Just In Time and Kanban method, which can reduce excess raw materials and produce on time. With the storage method the company has a total inventory cost of Rp. 213,130,000. The inventory system with the Just In Time method has a total cost of Rp. 183,967,500. From the results of these calculations, the minimum inventory cost is obtained using the Just In Time method. And make related proposals to change the inventory control system. To create an accurate Just In Time system, a kanban card is then designed.
Perancangan Desain Kemasan Produk Tahu Di Pabrik Tahu Kuring Yogyakarta Dengan Menggunakan Metode Quality Function Deployment Muhammad Afif Rizqullah; Michael Arya Jostin; Muhammad Maulana; Yasin Ageng Prasetya; Reyhan Ardy Kurniyanto; Widya Setiafindari
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 4 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 4 Tahun 2026
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i4.5383

Abstract

Pabrik Tahu Kuring Yogyakarta merupakan industri kecil menengah yang memproduksi tahu, namun saat ini masih menghadapi kendala pada aspek pengemasan. Kemasan existing hanya menggunakan kantong plastik polos tanpa label yang rentan bocor, tidak higienis, dan kurang menarik secara visual, dengan tingkat kerusakan mencapai 10%. Penelitian ini bertujuan untuk merancang ulang desain kemasan yang memenuhi aspek fungsional, estetika, dan keamanan pangan sesuai kebutuhan konsumen. Metode yang digunakan adalah Quality Function Deployment (QFD) untuk menerjemahkan suara konsumen (Voice of Customer) menjadi spesifikasi teknis melalui matriks House of Quality (HoQ). Berdasarkan hasil identifikasi, ditemukan 11 atribut kebutuhan konsumen, dengan prioritas tertinggi adalah pencantuman label resmi (Halal/BPOM) dan transparansi kemasan yang memiliki derajat kepentingan 83%. Hasil perancangan menghasilkan kemasan baru berupa wadah thinwall berbahan Polypropylene (PP) tipe food container yang tahan panas dan kedap udara, dilengkapi stiker label informatif untuk varian Tahu Sutra dan Tahu Kuning dalam ukuran isi 8 dan 10 pcs. Analisis biaya menunjukkan kenaikan biaya kemasan dari Rp50,00 per pcs (kemasan lama) menjadi Rp1.107,00 (isi 8) dan Rp1.537,00 (isi 10). Meskipun terdapat kenaikan biaya, kemasan baru memberikan perlindungan produk yang lebih baik, higienitas terjamin, dan identitas merek yang kuat untuk meningkatkan daya saing produk di pasar.
Identifikasi Risiko Bahaya Pada Proses Produksi Batu Alam Di Stasiun Pemotongan Menggunakan Metode Hirarc Dan Five Why's Dicky Tri Sandyayuda; Widya Setiafindari
Jurnal Kendali Teknik dan Sains Vol. 1 No. 4 (2023): Oktober: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v1i4.1113

Abstract

PBA Surya Alam is one of the industries engaged in the natural stone processing industry (PBA) which has a fairly high risk of work accidents due to the lack of hazard control in the production process for workers. The application of occupational safety and health at PBA Surya Alam has been implemented, but its application has not been maximized, such as in terms of worker awareness in using personal protective equipment (PPE). From 2020 the cutting station experienced 7 work accident cases, in 2021 the cutting station experienced 4 work accident cases, and in 2022 the cutting station experienced 2 work accident cases. The purpose of this study was to determine the potential for work accidents, risk assessment, and efforts to control hazard risks in natural stone production process activities. In addition, this study aims to determine the most dominant risk controls and provide suggestions for controlling work accident factors in the natural stone production process. Therefore, this study uses the HIRARC (Hazard Identification Risk Assessment and Risk Control) method, which is a method for determining potential hazards that occur, knowing risk assessment to determine risk levels and knowing risk controls to reduce the occurrence of work accidents. The results of calculations using the HIRARC and 5W + 1 H methods show that there are 6 cases of potential hazards recorded at PBA Surya Alam with each risk, namely 6 cases of potential hazards with extreme risk, then as many as 8 potential cases hazard with high risk (high risk), as many as 5 cases of potential hazard with high risk. Whereas for the 5 W + 1 H method in the process of cutting Natural Stone from the results of observations and observations in the field making control proposals such as installing SOP signs at Natural Stone production stations so as a reminder when operators are working, safety controls for employees and safety helmets to minimize falling products (PPE), and controlling the use of gloves.
Identifikasi Keselamatan Dan Kesehatan Kerja Menggunakan Metode Hazop Dan Bowtie Pada PT Alis Jaya Ciptatama Thegar Gilang Rachmawan; Widya Setiafindari
Jurnal Kendali Teknik dan Sains Vol. 1 No. 4 (2023): Oktober: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v1i4.1114

Abstract

The purpose of this study is to find out what are the most dominant work accidents, what are the impacts that occur from work accidents, as well as appropriate risk control adventures for work accidents due to 13 work accidents in 2021 to 2023 which cause a loss of 33 working hours day at PT Alis Jaya Ciptatama. The method used is the Hazard And Operability Study (HAZOP) method and Bowtie analysis to identify potential occupational safety and health hazards by limiting the probability criteria in quantitative and consequence calculations and analyzing the risk path from cause to consequence using a bowtie diagram. The results obtained are that the highest activity is in activity code 3b with an LI value of 38.3, then in the smallest activity code 2a with an LI value of 10. The risks that occur fall into the high, medium, and low severity categories, so the warning given What is given is to install machine guards and ensure the operator has qualified machine usage skills.
Perbaikan Postur Kerja untuk Mencegah Cedera Kerja di CV Cahaya Setia Mulia Abadi Egga Jerri Indri Saputri; Widya Setiafindari
Jurnal Kendali Teknik dan Sains Vol. 3 No. 3 (2025): Juli: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v3i3.5343

Abstract

Sewing workers at CV Cahaya Setia Mulia Abadi perform static and repetitive tasks, such as prolonged sitting in a bent posture and continuous sewing movements. These conditions lead to various physical complaints, including back pain (78%), lower neck pain (75%), upper neck discomfort (73%), as well as shoulder fatigue, wrist tingling, and lower back stiffness. This research is conducted to evaluate the potential risk of musculoskeletal disorders (MSDs) through the application of the Rapid Entire Body Assessment (REBA) method, determine the body parts most frequently affected using the Nordic Body Map (NBM) questionnaire, and develop posture correction strategies based on anthropometric measurements.The REBA results indicate that most sewing activities fall into the medium-risk category (score 5–7), with some in the high-risk category (score 8). The intervention involved adjusting chair dimensions based on anthropometry, and adding seat cushions and backrests. After the simulation of improvements, the REBA score decreased to 2, placing it in the low-risk category. These findings demonstrate that ergonomic chair design and proper working posture significantly reduce physical strain, increase comfort, and help maintain worker productivity. This study offers practical recommendations for creating a healthier and safer work environment in the manufacturing sector.
Analisis Pengendalian Persediaan Bahan Baku Kacang Koro pada Produk Abon Menggunakan Metode Economic Order Quantity dan Desain Kemasan di UMKM Surya Abon Rahmad Fauzi; Riky Ardiyanto; Roni Andika; Widya Setiafindari
Jurnal Riset dan Inovasi Manajemen Vol. 2 No. 2 (2024): Mei: Jurnal Riset dan Inovasi Manajemen
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jrim-widyakarya.v2i2.3143

Abstract

This research aims to produce compatibility between the policies of Abon Surya with the Economic Order Quantity raw material control method, namely the purchase quantity of the Abon Surya policy has an average purchase of 770 kg, for the frequency of purchasing raw materials for jack beans 5 times, for security and point supplies. There is no reordering policy with a total inventory cost of IDR 251,640. Meanwhile, the EOQ method has an average purchase of 1,313 kg. the purchase frequency is only 3 purchases, the security inventory is 90 Kg and the number of reorders is 204 Kg with a total cost of inventory required of IDR 173,254. The cost difference between Abon Surya and the EOQ method is IDR 78,386,417. This shows that there is a saving or reduction in the total cost of inventory needed if Abon Surya can implement the EOQ raw material control method. Apart from that, the packaging used at UMKM Surya Abon for shredded products still uses transparent plastic with stickers, which is less attractive to buyers. Therefore, a new design is needed to attract more buyers.
Co-Authors A Dandi Setiawan Afwan Anggara Afwan Anggara Agung Joko Prasetyo Agustinus Andrie Prasetyo Ahmad Luqmanul Farras Ahmad Suhaimi Ahmad Zada Hilmi Syifa Aldi Yoga Pradana Alex Alfandianto Alex Alfandianto Alfiansyah Alfiansyah Anfitra Akhsel Arya Putra Ramadhan Angga Revoma Putra Anggi Riska Devi Anggi Riska Devi Anisa Rahma Hakiki Annisa Fitria Annisa Fitria Dandy Silva Dandy Silva Daniallabib Danu Fatrohim Deni Kurniawan Dewintari Meilin Sihombing Diaz Arjun Annolu Dicky Tri Sandyayuda Dicky Tri Sandyayuda Dika Aprian Fratama Dimas Ihza Mahendra Dwi Kurniawan Egga Jerri Indri Saputri Exsan Priadi Farah Yulvaniya Hanif Bima Al Farisi Hasbi Bachroni Hilman Adiatma Hilman Adiatma I Komang Dartawan Ibnu Afqah Arrauf Melian Iwan Eri Nuryanto Kuncoro Adhi Gautama Lulu Rahiba M. Septial Dafha Pratama Mardi Setyono Maria Eva Susanti Lelu Mella Wulandari Michael Arya Jostin Mohammad Faisal Nurfaizi, Mohammad Faisal Nurfaizi Muhammad Afif Rizqullah Muhammad Maulana Muhammad Nastain Nalan Adha Ilan Ilahi Nandar ismail Natasya Dyah Maharani Noviana Salsabila Nuzul Eky Fachrezy Okta Tri Wulandari Purwo Budi Utomo Putra, Angga Revoma R. Akhmad Zakaria Nur Alim Radhinal Sa’id Riginianto Rahmad Fauzi Rajif Sihab Rebecca Angelina Silaen Recha Anggardha Resa Aulia Febriansyah Reyhan Ardy Kurniyanto Riky Ardiyanto Rizki Afif Pratama Rizky Saepulloh Rizqi Nurrahman Tri Sutrisno Rofi Kurniawan Roni Andika Salsabilla Kusumawardani Satria Adi Pamungkas Syahrul Hidayatullah Thegar Gilang Rachmawan Thegar Gilang Rachmawan Virgianto Utama Wahyu Hadi Sutiyono Wahyu Hadi Sutiyono Winda Nur Oktaviana Yasin Ageng Prasetya Yohanes Anton Nugroho Yusuf Pratomo