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Rianita Puspa Sari
Universitas Singaperbangsa Karawang
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Pengendalian Persediaan Bahan Baku Menggunakan Metode Just in Time (JIT) di PT BMJ Wijoyo, Ujang Bagus Vikondani Castro; Sari, Rianita Puspa
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 9, No 1 (2024)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/string.v9i1.22300

Abstract

Inventory management plays an important role in the company, all types of inventory need to be managed so that the efficiency of the production process can be guaranteed and produce quality products and in conditions of no defects. Therefore, the high demand that must be met according to consumer wishes and goods that do not meet the needs makes companies have to control the inventory of production raw materials so that there is no excess or shortage of stock. Thus, the purpose of this study is to help control excess inventory and reduce costs as low as possible. The method used in this study is Just in Time (JIT). Therefore, this study resulted in a difference in the estimated cost of storing raw materials every month before using JIT of Rp. 15,269,335 while the estimated cost of storing raw materials per month after using the Just in Time system was Rp. 7,634,667 so as to reduce the estimated cost of storing raw materials by Rp. 7,634,667. Therefore, the use of Just in Time can increase productivity by controlling the inventory.
Usulan Strategi dalam Pengembangan Bisnis Menggunakan Matriks SWOT dan QSPM di PT Jaya Prakarsa Rizki, Muhammad Fahrizal; Sari, Rianita Puspa
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 9, No 1 (2024)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/string.v9i1.22996

Abstract

The growth of the packaging industry in Indonesia has shown positive growth so that packaging business competition is a dynamic challenge. PT Jaya Prakarsa is a company that focuses on the packaging industry trusted by consumers because the quality and service are the best. However, the company faces obstacles namely declining internal performance and facing fluctuations in company revenue. This research aims to revamp effective strategies for PT Jaya Prakarsa in order to develop its business and compete in a competitive market so as to increase revenue. The type of research used is descriptive qualitative research with SWOT and QSPM methods. The results showed that the company has a profitable role based on the IFE and EFE matrices, with the results of values of 1.606 and 1.304 and placing them in quadrant I so that the recommended strategy is Growth Oriented Strategy. In addition, the results of the SWOT matrix also identify SO's strategies to leverage between internal strengths and external opportunities. Alternative strategies through the QSPM matrix selected through 1 set of SO strategies showed that the highest TAS score was 6,870 with the strategy of utilizing technological advances to produce innovative new products and capitalize on the growth of the wider market.
OPTIMALISASI BIAYA DISTRIBUSI DAN ALOKASI PRODUK DENGAN MENGGUNAKAN METODE TRANSPORTASI Kurnia, Mutiara; Arifin, Jauhari; Sari, Rianita Puspa
JISI: Jurnal Integrasi Sistem Industri Vol 11, No 1 (2024): JISI UMJ
Publisher : Fakultas teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jisi.11.1.31-42

Abstract

The growth of the manufacturing industry in Indonesia is now increasingly rapid, one of which is in the food and beverage sector. PT. XYZ is one of the beverage industries that has problems, namely the high cost of distribution due to the irregular distribution of distribution from the Factory to the Regional Sales Office (KPW). This study uses the transportation method with the initial solution, namely the Vogell Approximation (VAM) method, the Least Cost, North West Corner (NWC) method and the optimum solution using the Modified Distribution (MODI) method. In addition, a comparison was made with the results of the POM - QM software. The purpose of this research is to optimize distribution costs and allocate distribution of tea products in boxes (tetra pak) with a volume of 250 ml and analyze the optimal distribution costs after the application of transportation methods in distributing 250 ml Sosro Tetra Pak tea products at PT. XYZ. After doing the analysis and calculations, it is concluded that the application of transportation methods using POM - QM software can optimize distribution costs and allocate distribution of 250 ml Sosro Tetra Pak tea products at PT. XYZ. Then After calculating the transportation method, the optimal distribution cost is Rp. 2,059,460,017. There was a decrease in costs of up to Rp. 140,539,983 so the company will save up to 6.39%.
Optimasi Proses Produksi Kemasan Makanan pada UMKM ECOSEKAM Packaging Menggunakan Quality Function Deployment dan Operation Process Chart Nauli, Deviana; Hasanah, Kori; Ayuningtyas, Dewi; Sari, Rianita Puspa; Wahyudin, Wahyudin
Jurnal Penelitian Inovatif Vol 4 No 4 (2024): JUPIN November 2024
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jupin.822

Abstract

Usaha Mikro, Kecil, dan Menengah (UMKM) dihadapkan pada tantangan yang semakin kompleks dalam mempertahankan eksistensinya di era globalisasi. Penelitian ini bertujuan untuk meningkatkan daya saing UMKM ECOSEKAM Packaging melalui optimalisasi proses produksi dengan menerapkan metode Quality Function Deployment (QFD) dan Operation Process Chart (OPC). QFD digunakan untuk menghubungkan kesenjangan antara kebutuhan pelanggan dan spesifikasi produk. Melalui analisis House of Quality, penelitian ini mengidentifikasi prioritas kebutuhan pelanggan terhadap produk kemasan makanan, seperti harga, kualitas bahan baku, dan dampak lingkungan. Sementara itu, OPC digunakan untuk memetakan alur produksi secara visual, mengidentifikasi aktivitas yang tidak memberikan nilai tambah, dan mengoptimalkan urutan proses. Hasil penelitian menunjukkan bahwa dengan mengimplementasikan QFD dan OPC, UMKM ECOSEKAM Packaging berhasil mencapai beberapa peningkatan. Pertama, perusahaan mampu merancang produk yang lebih sesuai dengan kebutuhan pelanggan. Kedua, efisiensi proses produksi meningkat, yang tercermin dari tercapainya target produksi sebanyak 50 pcs produk kemasan makanan per periode. Ketiga, kualitas produk yang dihasilkan juga meningkat secara signifikan. Penelitian ini menunjukkan bahwa penerapan QFD dan OPC merupakan solusi efektif untuk meningkatkan daya saing UMKM dengan mengoptimalkan proses produksi, sehingga bisnis bisa bertahan dan berkembang di pasar yang kompetitif.
Analisa Optimalisasi Waktu Kerja Karyawan dengan Menggunakan Metode Hungarian (Studi Kasus Bengkel Jaya Battery Motor) Dewanta, Aria; Puspa Sari, Rianita
JURMATIS (Jurnal Manajemen Teknologi dan Teknik Industri) Vol. 3 No. 2 (2021): August
Publisher : Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmatis.v3i2.1708

Abstract

Jaya Battery Motor (JBM) is a workshop for two or more vehicles, and there are several services available in that place, such as servicing, changing oil, changing batterymulators, changing tires and others. The problem that is being faced by the workshop is that the distribution of tasks to employees is still carried out randomly, so that a lot of time is wasted. Workshop owners still do not know how to divide employee duties so that the time needed to do something can be said to be optimal. The purpose of this study is to determine the optimal time of work for employees using the Hungarian method, as well as to provide completion of employee placement in doing work. Based on the research that has been done, the results of the division of tasks for the Jaya Battery Motor workshop employees can be said to be optimal if the division of tasks is as follows: Ridwan changes the car oil in 15 minutes, Asep replaces the car accumulator with 20 minutes, Candra replaces the car spark plug with 30 minutes time. The results obtained in the form of a total work time before using the Hungarian Method is 75 minutes, while using the Hungarian Method is 65 minutes. So the time efficiency obtained is 10 minutes.Jaya Battery Motor (JBM) merupakan sebuah bengkel kendaraan dua atau lebih, dan terdapat beberapa pelayanan yang ada ditempat tersebut seperti melakukan servis, ganti oli, ganti akumulator, ganti ban dan lainnya. Permasalahan yang sedang dihadapi bengkel tersebut adalah pembagian tugas terhadap karyawan masih dilakukan secara acak, sehingga banyak waktu yang terbuang. Pemilik bengkel masih belum mengetahui bagaimana cara pembagian tugas karyawan agar waktu yang diperlukan untuk mengerjakan sesuatu bisa dikatakan optimal. Tujuan dari penelitian ini adalah mengetahui waktu optimal pekerjaan para karyawan dengan menggunakan Metode Hungarian, serta memberikan penyelesaian penempatan karyawan dalam melakukan pekerjaan. Berdasarkan penelitian yang sudah dilakukan, didapatkan hasil pembagian tugas karyawan bengkel Jaya Battery Motor dimana sudah bisa dikatakan optimal apabila pembagian tugasnya adalah sebagai berikut: Ridwan mengganti oli mobil dengan waktu 15 menit, Asep mengganti akumulator mobil dengan waktu 20 menit, Candra mengganti busi mobil dengan waktu 30 menit. Didapatkan hasil berupa total waktu pekerjaan sebelum menggunakan Metode Hungarian yaitu 75 menit, sedangkan jika menggunakan Metode Hungarian yaitu 65 menit. Terjadi efisiensi waktu sebesar 10 menit.
Optimalisasi Produksi dan Distribusi dengan Metode Simpleks dan Minimum Spanning Tree pada UMKM Tahun NR Stepani Pricilia Hutajulu; Rianita Puspa Sari
Jurnal Ilmiah Wahana Pendidikan Vol 10 No 17 (2024): Jurnal Ilmiah Wahana Pendidikan 
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.13928674

Abstract

In the midst of increasingly fierce competition, companies need to develop and improve performance in order to achieve effectiveness and efficiency, and solve problems faster. Linear programming can be used in an effort to optimize the production activities of companies and MSMEs. Linear programming itself is a problem model using equations or inequalities in linear form. This research was conducted at UMKM Tahu NR which is located at Jl. Raden Kubaya, Karangpawitan, West Karawang, Kab. Karawang. This factory is one of the many MSMEs that produce tofu in Karawang and has 7 employees. MSME NR produces two types of tofu, namely white tofu and yellow tofu with a net profit of Rp. 8500 for white tofu and Rp. 8800 for yellow tofu. From the existing data processing it is known that the optimal production combination to obtain maximum profits is to produce 5250 packs of white tofu and 8750 packs of yellow tofu every week, with a profit of Rp. 121,625,000 every week. Determining distribution routes using the Minimum Spanning Tree method produces optimal route with a total distance of 21.2 km.
Penerapan Pengendalian Proses Inventori Kontrol pada Area Top Board Tangguh Rajasa Ardhana; Rianita Puspa Sari
Jurnal Ilmiah Wahana Pendidikan Vol 10 No 10 (2024): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.11517217

Abstract

The increasingly advanced and rapid development of industry in Indonesia forces companies to have effective and targeted strategies. One method that can be used to provide fast and precise production process services is to reduce the costs incurred so that the production process runs smoothly and consumer demands can be met quickly and on time. The research methodology used in this research is the observation method. The results of this research are that the finish good capacity is safe if the material stored in the WM10 or WM6 area is less than 25 lots, almost full if WM6 is filled with 26-34 lots, full if WM6 is more than 34 lots. The best method for WINQB software is SES, stock demand and using a stock buffer of 2%. The Top Board material schedule for 17 days is 4749 with a cumulative total of 4861, a percentage of 102.35%. JIT Implementation Results: The number of stocks per week was 4014 and stock was 103, a percentage of 2.56% and a decrease of 99.44%. It can be concluded that the implementation of the JIT system provides a significant reduction in storage.
Pengendalian Bahan Baku Pembuatan Produk Cigarette Paper Menggunakan Metode EOQ (Studi Kasus: Pada PT XYZ) Muhammad Adi Fatwa Adi; Rianita Puspa Sari; Fidy Febryan Muthfy Yuliandi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 3 (2024): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i3.28394

Abstract

Raw material inventory is a significant aspect in the industry, especially in PT XYZ company where there is a problem of excess inventory, regardless of the number of purchases per order. If the inventory of raw materials is too large, it will increase maintenance costs and storage costs in the warehouse. our abstract must be written in a single paragraph and typed in single space. The EOQ method is used in raw material control to determine the quantity of supply orders to minimize storage costs and supply order costs, minimize out of stock so as to save inventory costs incurred in making cigarette paper to be more efficient, and determine the optimal total inventory cost (TIC) in the company. The results of the proposal obtained by calculation using the Economic Order Quantity (EOQ) method are for cigarette paper raw materials in the form of pulp using the EOQ method calculation of 1,054,947.38 kg with a frequency of 3 orders, and Chemical raw materials of 193,939.39 kg with a frequency of 3 orders.
Penerapan Pengendalian Proses Inventori Kontrol Pada Area Top Board Tangguh Rajasa Ardhana; Rianita Puspa Sari
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study examines how PT YM can improve the effectiveness of its inventory management by implementing the Just In Time (JIT) method. The main objective of the study is to overcome the problem of overstocking, which often occurs as a result of poor inventory management. Companies that use JIT produce items only in response to demand, which reduces inventory costs and storage requirements. According to the research, the implementation of JIT can increase production efficiency by 35% in an average of 11 days, with efficiency levels ranging from 27% to 38%. Moving average, linear trend and double exponential smoothing are some of the forecasting techniques used. Safety stock and kanban analysis are also used to ensure the best possible availability of raw materials. It is believed that the resulting recommendations will help with inventory management issues and serve as a guide for future inventory control studies.
PERANCANGAN MESIN EXTRUDER FILAMEN 3D PRINTING BERBAHAN SAMPAH PLASTIK KAPASITAS 40 KG/JAM Santoso, Deri Teguh; Saputra, Fadillah Anugrah; Sari, Rianita Puspa
Machine : Jurnal Teknik Mesin Vol 10 No 2 (2024): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v10i2.5413

Abstract

Plastics have experienced a rapid increase in production over the last 70 years. Initially, in 1950, the world only produced 2 million tons, and now production is more than 450 million tons. Around a quarter of plastic waste is thrown away and needs to be appropriately managed, namely around 82 million tons. In other words, the waste is not disposed of in a proper disposal site, not recycled or burned. This research underwent several stages: literature study, data collection, extruder design, machine element calculations, analysis and discussion. Six types of materials will be used as objects for selecting extruder materials, including SS 410, SS 422, AISI 4140, AISI 4340, AISI 1144, and AISI 1045. Planning is carried out on the machine elements so that von Misses stress and deflection values ​​are obtained to determine the appropriate values. Extruder design planning. It was concluded that the highest Von Misses Stress value was obtained for all materials with variations in material length and width, namely 700 and 45 mm. The higher the length and diameter dimensions, the higher the von Misses stress value. The highest deflection value was obtained on Stainless Steel 410 material with variations in length and width of the material, namely 700 and 45 mm. The higher the length dimension of a material, the higher the deflection value.
Co-Authors Aditya Febriantika Agusti Tresno Suwito Aji Agustian Suseno Ahmad Surahman Ajeng Alaya Putri Andarayani, Tita Anisa Nur Azizah Anjani, Ratna Dewi Antoni Claodio Aria Dewanta Aulia Fashanah Hadining Aulia Fashanah Hadining Aulia Rahman Aviska Nuravianti Aviska Nuravianti Azizah, Rosida Azri Maya Monica Bagas Achmad Darmawan Billy Nugraha Chairul Falah Cici Lestari Dede Dede Dene Herwanto Deni Mahendra Deri Teguh Santoso Dewanta, Aria Dewi Ayuningtyas Dewi Puspita Dewi Puspita Dhea Vita Ramdhani Dika Almahdi Dimas Syaripudin Egar Naufal Ari Satya Eoudia Resa Andira Eva Fauziah Fatimah Khilaliyah Azzahrha Fatimah Khilaliyah Azzahrha Fatwa, Muhammad Adi Fauzi Alfi Yasin Febri Aljabar Fidy Febryan Muthfy Yuliandi Fikriasih Wigati Fina Fadhila Achka Fina Fadhila Achka Gina Agnia Gita Yusvita Hadining, Aulia Fashanah Hasanah, Kori Haudhi Alfi Yasin Ica Hoerunisa Ida Rinjani Ida Rinjani Indah Purnama Sari Jachsyun Adib Jaja Muhammad Zakaria Jamhari Jamhari Jauhari Arifin Kevin Simanjuntak Kirana Novana Krishna Purba, Syafa Fadhilla Kurnia, Mutiara Kusnadi Kusnadi Lestari, Cici Lintangjati Arum Suminar Lyoni Elisabet Marpaung Made Panji Teguh Santoso MS Adhiarsya Perdana Mudzakir, Fahad Fadlillaahi Muhamad Dhika Rahma Fauzi Muhamad Taufiq Rachmat Muhamad Taufiq Rachmat Muhammad Adi Fatwa Adi Muhammad Aliwafa Muhammad Bima Agung Muhammad Bima Agung Muhammad Jodi Ramadhan Sumantri Muhammad Mughni Muhammad Ridwan Nabila, Aditia Ayu Rahma Nauli, Deviana Nofatiyassari, Resa Nugraha, Asep Erik Nuraeni Nuraeni Nuraeni Nuraeni Pasaribu, Tigor Gabriel Prastiyo, Muhammad Rizky Puti Annisa Nowira Putri Febriyani Rachmat, Muhamad Taufiq Rahman Saleh Ramadan, Radif Rayshita Dewi, Syafira Inzani Rianti, Winda Rifah Alfaini Rika Yayu Agustini Ristianti, Desi Riswanto, Reza Rizki, Muhammad Fahrizal Ryano Alderio Saeful Jamal Saputra, Fadillah Anugrah Savariyani, Eva Septi Aditya Wulandari Setiani, Ratri Apri Sigma Asarela Stepani Pricilia Hutajulu Suhono Suhono Suhono Suhono Sukanta Tangguh Rajasa Ardhana Taufik Nur Wahid Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wijoyo, Ujang Bagus Vikondani Castro Winarno Winarno Winarno Winarno Winda Rianti Windra Putra Windra Putra Wisnu Arimurti Wulandari, Septi Aditya Yasir Arafat Yoane Rahmanita Mulyani Yuliandi, Fidy Febryan Muthfy Yupi Andrian