scholarly journals EOQ Development Model in Optimize Raw Material Inventory

2021 ◽  
Vol 2 (2) ◽  
pp. 59-65
Author(s):  
I Made Kartika ◽  
I Made Adi Suwandana ◽  
I Gusti Bagus Wirya Gupta ◽  
Putu Gede Denny Herlambang
Keyword(s):  
Sweet Corn ◽  
Raw Material ◽  
Development Model ◽  
Safety Stock ◽  
Inventory Costs ◽  
Corn Products ◽  
Distribution Process ◽  
Product Inventory

The purpose of this study was to determine the amount of safety inventory, order frequency, minimum inventory, maximum inventory limit, total Melon product inventory costs needed by PT. Rajawali Asia Bali uses the EOQ method. Data analyzed using the EOQ method shows that PT. Rajawali Asia Bali safety stock, it is very necessary to support the smooth distribution process that takes place. In accordance with the calculations with the formula, there is a safety stock that must be provided by PT. Rajawali Asia Bali is equal to 7,201 boxes. Planning for Sweet Corn products at PT. Rajawali Asia Bali using the EOQ method has 48.069 boxes.

scholarly journals ANALISIS KINERJA MANAJEMEN PERSEDIAAN PRODUK UD. SINAR JAYA KARANGASEM

2021 ◽  
Vol 10 (3) ◽  
pp. 270
Author(s):  
I Putu Adi Sanjaya ◽  
Ni Ketut Purnawati
Keyword(s):  
Inventory Management ◽  
Descriptive Analysis ◽  
Safety Stock ◽  
Total Cost ◽  
Inventory Costs ◽  
Actual Application ◽  
Total Inventory ◽  
Operational Activities ◽  
Abc Analysis ◽  
Product Inventory

Inventory plays an important role in the company's operational activities, it is necessary to do inventory management in order to minimize losses caused by the large inventory costs. This research is conducted at UD. Sinar Jaya, aims to determine the performance of product inventory management and whether it’s efficient or not. Research data are obtained through interviews and observations. Descriptive analysis technique is used, which describes systematically several stages starting with ABC analysis, EOQ calculation, safety stock calculation, re-order point calculation, maximum inventory calculation, inventory turnover calculation, and comparing the total inventory cost between the method applied by the company with the EOQ method. Results show that product inventory management performance is not efficient. This is indicated by the total cost of inventory incurred using the company method in 2019 amounting to IDR 43,058,137. The product inventory management system that should be carried out is to classify products with ABC analysis, then determine EOQ of 1,208 units, determine safety stock of 518 units, and determine the re-order point of 1,099 units for each classification at unit A, so that the total cost of inventory incurred is only IDR 32,716,517 or 24.02 % lower than the actual application of company methods. Keywords: ABC analysis, EOQ, inventory costs

scholarly journals Analisis Pengendalian Persediaan Bahan Baku Menggunakan Metode Min-Max (Studi Kasus PT.Djitoe Indonesia Tobacco)

2016 ◽  
Vol 15 (2) ◽  
Author(s):  
Ade Putri Kinanthi ◽  
Durkes Herlina ◽  
Finda Arwi Mahardika
Keyword(s):  
Production Process ◽  
Inventory Control ◽  
Raw Materials ◽  
Raw Material ◽  
Control Methods ◽  
Order Quantity ◽  
Safety Stock ◽  
Inventory Costs

<p><em>Inventories of raw materials are the company's current assets used for production activities at the company. Companies need to do the inventory control because it affects the smooth production process. A shortage can lead to disruption of the production process. While excess inventory can lead to waste because companies need to spend more capital for inventory costs. The purpose of this study to determine whether the PT. Djitoe Indonesia Tobacco has made raw material inventory control appropriately. Raw material inventory control methods used in this study are a min-max stock. This method determines the amount of safety stock, minimum stock, maximum stock and order quantity. After doing research, PT. Djitoe Indonesia Tobacco excess raw material inventory. Total inventories are controlled using the min-max stock produces more efficient results when compared to the amount of the final inventory of the company. With min-max method the company is able to economize IDR 700,000 for each period.</em></p>

Perencanaan Persediaan Bahan Baku pada UMK Tiga Bersaudara Kota Kupang dengan Metode Economic Order Quantity (EOQ)

2021 ◽  
Vol 1 (2) ◽  
pp. 61-75
Author(s):  
Seprianto E. Haobenu ◽  
◽  
Antonio E. L. Nyoko ◽  
Aldarine Molidya ◽  
Rolland E. Fanggidae ◽  
...  
Keyword(s):  
Raw Materials ◽  
Raw Material ◽  
Economic Order Quantity ◽  
Economic Order ◽  
Order Quantity ◽  
Inventory Planning ◽  
Safety Stock ◽  
Total Cost ◽  
Analysis Technique ◽  
Corn Products

Abstract Abstract Purpose: This research is a form of raw material inventory planning using the Economic Order Quantity (EOQ) method for fried corn products at UMK Tiga Bersaudara Kupang City. Research Methodology: This research method used a quantitative approach. The data analysis technique used is forecasting, EOQ, and Safety Stock. Results: The outcome of this study is the creation of a raw material inventory that can be applied by the UMK Tiga Bersaudara in carrying out its production. The number of orders for raw materials has also been identified using the EOQ method. To avoid shortages of raw materials, a calculation of how much safety stock is needed in the next period has also been calculated. Limitation: This calculation is predictive so that the reality in the field can change in the future. Contribution: Companies are advised to plan raw material inventory using the methods used in this study, namely forecasting, EOQ, SS, and calculating the total cost of inventory.

Optimalisasi Persediaan Bahan Baku Keripik Kentang Dengan Metode Economic Order Quantity (Studi Kasus Di Agronas Gizi Food)

2019 ◽  
Vol 6 (01) ◽  
pp. 68-76
Author(s):  
Stefani Natalia Dinda Advenia ◽  
Maria Puri Nurani ◽  
Kukuk Yudiono
Keyword(s):  
Raw Materials ◽  
Raw Material ◽  
Safety Stock ◽  
Inventory Costs ◽  
Material Supply ◽  
Analysis Technique ◽  
Company Policy ◽  
Total Inventory ◽  
Supply Costs ◽  
The Cost

The optimalization of raw materials supply is intended to meet the needs of raw materials for the process of the production process the future; the activity of controlling raw materials manages the implementation of necessary supply in accordance with the required amount and minimal cost, which includes the problem of purchasing raw materials, storing and maintaining materials, controlling the output of the material when materials are needed and maintaining the optimal supply amount. The raw material supply control can be analyzed using the EOQ method as one of the choices in comparing the implemented company policies. This research was conducted at Agronas Gizi Food. The analysis technique used is by comparing the results of company policy calculation and the EOQ method. The calculation of company policy includes the cost of ordering  (S) with the results of Rp. 183,800 / order, supply costs (H) with a result of Rp.859 / Kg, total inventory costs (TIC) that must be spent Rp.5,689,560, the frequency of purchase 30 times, with an average purchase of 1500 kg / year while the calculation method EOQ includes economical purchases (Q*) with results of 4198 kg, frequency of purchases (F) with the result 10 times a year, total inventory costs (TIC) with the result of Rp.3,605,795, safety stock Rp.3,605,795, and ROP 234 Kg. Based on the analysis technique on raw material for potato chips in Agronas Gizi Food, it can be concluded that it is not optimal because the calculation the results of company policies are greater than the EOQ method.

Minum Rice Supply Needs in South Sulawesi-The case of Bulog Divre South Sulawesi

2019 ◽  
Vol 1 (2) ◽  
pp. 36-43
Author(s):  
Asyriah Arifunddin Arifunddin ◽  
Abd. Rahman Kadir ◽  
Sumardi Sumardi
Keyword(s):  
Agricultural Sector ◽  
Raw Material ◽  
Literature Study ◽  
Safety Stock ◽  
Inventory Costs ◽  
South Sulawesi ◽  
Calculation Results ◽  
Point Calculation ◽  
Using Data ◽  
One Year

One issue of the decline in the performance of the agricultural sector is claimed due to  changing the authority of BULOG in managing strategic food through trade system instruments.This study aims to analyze the system of rice supply Perum BULOG South Sulawesi in terms of the number of economic orders, minimum inventory, maximum inventory, and determining the point of reorder. This research was conducted at the Office of Public Logistics Bureau at Jln. Andi Pangeran Pettarani, Makassar. In research using data collection techniques by means of observation, literature study, interviews and documentation. Analysis of the data that has been selected is the Economic Order Quantity (EOQ). The results showed that from the calculation results to determine the economical amount of inventory using EOQ calculations, it is known that the costs of South Sulawesi Bulog raw material inventory in 2017 amounted to 235.41 tons with a ordering frequency of 310 purchases in one year. Whereas from 2017 the realization of the absorption of Bulog rice procurement in South Sulawesi in 2017 amounted to 324,554 tons, with an ordering frequency of 305 times with an average of 1,064 tons per order. If the company can implement the EOQ method can provide savings on raw material inventory costs and the accuracy in managing the amount of inventory. Based on the calculation of the safety stock, it can be seen that in 2017 Bulog must have a safety stock of rice in the warehouse of 18,264 tons to avoid a stock out. Based on the reorder point calculation, Bulog must reorder when the stock is 18,383 tons. The maximum inventory of rice that can be stored in a warehouse is 18,499 tons.

scholarly journals Analysis Of Stock Control Of Raw Materials Of Dzohir Noodles In Bengkulu

2022 ◽  
Vol 3 (1) ◽  
Author(s):  
Monika Ahmelia ◽  
Herlin Herlin ◽  
Abdul Rahman
Keyword(s):  
Wheat Flour ◽  
Lead Time ◽  
Raw Materials ◽  
Raw Material ◽  
Inventory Cost ◽  
Safety Stock ◽  
Stock Control ◽  
Inventory Costs ◽  
Total Inventory ◽  
Research Period

This study aims to analyze the stock inventory control of Mie Dzohir's raw materials in Bengkulu. The analytical method used is Economic Order Quantity (EOQ), Reorder Point (ROP), Total Inventory Cost (TIC) and Safety Stock (SS). The results showed that to meet the raw material needs of 91,375 kg during the research period, from January 2020 to December 2020 (12 months), the number of economical purchases/EOQ of wheat flour raw materials that had to be made by the Mie Dzohir factory in Bengkulu was as much as 5,372 kg for each order with a purchase frequency of 17 times for a period from January 2020 to December 2020. Reorders or reorder points (ROP) can also be determined, namely reordering should be done when 345 kg of inventory is in warehouse, with a lead time of 1 days so as not to hamper the company's production process. The total inventory cost (TIC) can also be determined, namely the total cost of raw material inventory of Rp. 3.572.188, - therefore, it can save on inventory costs of Rp. 1.051.697,- .Safety stock (SS) of 95 kg which must be in the warehouse, this is intended therefore, there is no shortage of wheat flour raw materials if there is a delay in the delivery of raw materials.

scholarly journals Perencanaan Jadwal Distribusi dengan Menggunakan Metode Distribution Resources Planning

2019 ◽  
Vol 2 (4) ◽  
Author(s):  
Jusco ◽  
Alfian Aziz Nasution ◽  
Riza Noviwiyocha
Keyword(s):  
Distribution System ◽  
Planning Method ◽  
Raw Material ◽  
Planning System ◽  
Safety Stock ◽  
Distribution Planning ◽  
Distribution Centre ◽  
Wide Range ◽  
Distribution Process ◽  
Resources Planning

PT. XYZ merupakan sebuah perusahaan memproduksi berbagai macam produk dengan bahan baku plastik. Proses distribusi pada PT. XYZ memiliki beberapa permasalahan yang terjadi pada masing-masing Distribution Centre (DC).Beberapa permasalahan terjadi diperusahaan berupa keterlambatan dalam pengiriman barang kepada konsumen. Dalam memecahkan permsalahan tersebut penelitian menerapkan metode Distribution Resources Planning. Input metode DRP berupa data historis didalam perusahaan selama setahun. Pengolahan diolah melalui jumlah frekuensi pemesanan, order quantitiy dan safety stock. Sistem DRP memberikan aliran produk dari Central Supply Facility secara terstruktur. DRP memberikan kemudahan dalam memenuhi kebutuhan permintaan tanpa mengalami kekurangan stok (Stock Out). Perusahaan dapat menignkatkan tingkat pelayanan dalam memenuhi kebutuhan pelanggan yang akan datang.   PT. XYZ is a company which engaged in injection molding producing a wide range of products with plastic as the raw material. Constraints in distribution process at PT. XYZ is carried out in order to fulfill products demand on every Distribution Centre. One of those contraints indicated that their company are having a bit problem like stocked out on every Distribution Centre that effected to their company performance’s tardiness and products fulfillment. The solution for these problems for a better distribution system is apllying one of the distribution planning by using Distribution Resources Planning Method. Forecasting from the historic demands of the company will be input in the Distribution Resources Planning Method and will be used as input in calculating the ordering frequency, order quantity and safety stock. Distribution Resources Planning system could give a specific products flow from Central Supply Facility to every Distribution Centre in integrated numbers and periods, as if the smoothness of the distribution activity isn’t disturbed and minimize stocked out in every Distribution Centre and optimize the level of service through distribution planning thay could planned the future needs.

scholarly journals PENGENDALIAN PERSEDIAAN BAHAN BAKU TEBU DI PG X

2020 ◽  
Vol 10 (2) ◽  
pp. 86-94
Author(s):  
Nila Kandi ◽  
Hendrik Johannes Nadapdap
Keyword(s):  
Raw Material ◽  
Inventory Cost ◽  
Safety Stock ◽  
Total Cost ◽  
Inventory Costs ◽  
Raw Sugar ◽  
Total Inventory ◽  
Plantation Crops ◽  
The Cost ◽  
Level Order

Sugarcane is one of the plantation crops which is used as raw material for making sugar. The efficiency of inventory is very important for a sugar factory. The purpose of this study is to determine the order level, order frequency, the amount of safety stock (Safety Stock), re-order points (sugarcane raw material) which is economical and to know the total inventory cost (Total Inventory Cost) of sugarcane raw material economical in PG X. The method of determining the area of ​​this research was carried out intentionally (purposive). The research method uses the descriptive-analytic method. The analytical tool used is Economic Order Quantity (EOQ), Re-Order Points (ROP), Safety Stock (SS), and Total Inventory Cost (TIC). The results of the 2018 and 2019 EOQ calculations show it is not yet economical. The 2018 EOQ calculation was 1.688,79 tons greater than the number of orders made by PG X by 1.483,9 tons and the 2019 EOQ calculation was 3.074 tons greater than the number of bookings made by PG X by 976,6 tons. The value of the safety stock in 2018 amounted to 1.483,9 tons and in 2019 it was 976,6 tons. The value of ROP in the supply of raw sugar cane in 2018 was 2.967,8 tons and in 2019 it was 1.953,2 tons. The 2018 TIC value is Rp. 139.031.870 smaller than the cost of inventory incurred by the company of Rp. 158.302.102 and the 2019 TIC value of Rp. 208.014.632 less than the cost of inventory incurred by the company of Rp. 654.250.185. The results of the last two years calculations indicate the inefficiency of orders made because it causes the frequency of orders is greater and the inventory costs incurred by PG X are higher., so with economic calculations, the order frequency will be less and the total cost of inventory will be lower.

scholarly journals THE ANALYSIS OF RAW MATERIAL INVENTORY OF DOHO SUWAR-SUWIR BUSINESS IN JEMBER REGENCY

2020 ◽  
Vol 20 (2) ◽  
Author(s):  
Ardhitya Alam Wiguna ◽  
Linda Ekadewi Widyatami
Keyword(s):  
Inventory Management ◽  
Raw Material ◽  
Processed Food ◽  
Order Quantity ◽  
Stock Management ◽  
Safety Stock ◽  
Typical Food ◽  
The Stability ◽  
Small Medium Enterprises ◽  
Medium Enterprises

Doho Suwar-Suwir is a Micro Small Medium Enterprises (UMKM) processing Fermented Cassava (Tape Singkong) to become a processed food in Jember, which is Suwar-Suwir. To maintain the stability of production process, needs a control for the stock management towards the raw material at Doho Suwar-Suwir UMKM. The raw material inventory management at Doho Suwar-Suwir UMKM is about fermented cassava raw material inventory which then are processed to become the typical food of Jember Regency, which is Suwar-Suwir. The goal of this research were to analyze the fermented cassava raw material inventory quantity and to analyze the safety stock quantity at Doho Suwar-Suwir UMKM. The method used in this research was stock management calculation or Economical Order Quantity (EOQ) where the result of this research was the quantity of fermented cassava raw material  needed using Economical Order Quantity (EOQ) method at Doho Suwar-Suwir business was 60,6 kg and the number of the safety stock which must exist was 5,5 kg.

scholarly journals ANALYSIS CONTROL SUPPLIES RAW MATERIALS TO EFFICIENCY COST, USING THE METHOD OF ECONOMIC QUANTITY ORDER AT CV. PQR

2018 ◽  
Vol 1 (01) ◽  
pp. 41
Author(s):  
Wartoyo Hadi
Keyword(s):  
Production Process ◽  
Raw Materials ◽  
Analysis Data ◽  
Raw Material ◽  
Economic Order Quantity ◽  
Economic Order ◽  
Order Quantity ◽  
Safety Stock ◽  
Reorder Point ◽  
Efficiency Cost

The purpose of the implementation of this research is to find the effectiveness of supplies raw materials, the method of analysis data used in the square is the smallest trend for planning raw materials and controling supplies use method of economic order quantity (EOQ) analyze reorder point. Analysis reorder point and safety stock. And analyzes efficiency cost of raw materials. Forecasting raw materials years 20x7 according to the smallest trend, cloth and dakron happened the difference is greater than of the target needed (according to a company); controling supplies raw materials with the methods eoq in 20x7 more effective than reservations raw materials cloth and dakron and more efficient than cost raw materials. The company should review the policy of forecasting raw material supplies that had been undertaken and make planning supplies the raw material that more accurate using the firm’s historical data and not only targeting the output production next year, so that machines production can be optimized. Considering the use of control supplies with the methods economic order quantity to companies, so this analysis can determine material reservations, supplies safety, maximum supplies to avoid the risk of running out of raw materials, because the companies often happened less dressed up a result of reservations that time is inaccurate, the lack of safety stock and the deferred the delivery of goods which often disturb the production process, by this method can prevent these things, so that the production process can run smoothly and minimize the cost of raw materials supplies.

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