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 Decreasing Total Inventory Cost by Controlling Inventory in Motorcycle Dealer

2020 ◽  
Vol 22 (2) ◽  
pp. 41-49
Author(s):  
David ◽  
Engmir ◽  
Irwan Budiman ◽  
Jusra Tampubolon
Keyword(s):  
Inventory Management ◽  
Demand Forecasting ◽  
Spare Parts ◽  
Order Quantity ◽  
Inventory Cost ◽  
Safety Stock ◽  
Safety Stocks ◽  
Forecasting Method ◽  
Total Inventory ◽  
Abc Analysis

This research was conducted at one of the motorcycle dealers in Indonesia. Besides selling motorcycles, this dealer also provides services to repair motorcycles and sells genuine motorcycle parts. Inventory management which the company carried out is still not good enough because there are still demand for spare parts from consumers that cannot be fulfilled by the company. The purpose of this study is to draw up a plan to control spare parts by paying attention to the spare parts that need to be considered, estimating the exact number of spare parts demand, knowing the smallest total inventory cost, knowing the amount of safety stock needed, and knowing when to reorder. In preparing the spare parts control, the methods used are ABC analysis, demand forecasting method, and EOQ method. The results of this study are plans to control the inventory of Tire, Rr. such as the forecasting sales of Tire, Rr. as many as 17338, economic order quantity of Tire Rr are 2158 units, the number of safety stocks of Tire, Rr. needed in 2020 are 1738 units, and the reorder point in 2020 is 8 times with the total inventory cost for Tire, Rr. in 2020 is Rp. 30,009,005.

scholarly journals Analisis Penerapan Manajemen Persediaan Bahan Baku Arm Rear Brake Kyea dengan Metode EOQ

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Ferry Utama Dwi Putra ◽  
Apid Hapid Maksum ◽  
Hamdani Hamdani
Keyword(s):  
Inventory Control ◽  
Production Planning ◽  
Inventory Management ◽  
Raw Materials ◽  
Order Quantity ◽  
Inventory Cost ◽  
Safety Stock ◽  
Good Production ◽  
Total Inventory ◽  
Operational Activities

Inventory management is an essential aspect of supporting good production planning in company business activities. The implementation of inventory management in the company is a primary need. If there is a problem in the supply of raw materials, all the company's operational activities will be disrupted. Inventories in manufacturing usually consist of raw materials, semi-finished goods, and finished goods or final products. Inventories of arm rear brake materials for the production process often experience shortages due to immature controls. This study aims to determine the inventory control of rear arm brake raw materials using the Economy Order Quantity (EOQ) method at PT. Ciptaunggul Karya Abadi. Based on the discussion results, it was found that ordering raw materials was carried out two times a year with a total order of 621 pieces with 86 pieces of safety stock and will be ordered again when raw materials collected 21 pieces. Total Inventory Cost (TIC), which was initially Rp110.264.235,00, can be saved to Rp70.598.399,00 so that the total savings that occur are Rp39.674.899,00 which is equal to 33.26%.

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 Analisis Penentuan Persediaan Singkong Sebagai Bahan Baku Tape Singkong Pada Agroindustri Peuyeum Abas Sawargi, Kecamatan Cimenyan, Kabupaten Bandung

2018 ◽  
Vol 6 (1) ◽  
pp. 10
Author(s):  
Kuswarini Kusno ◽  
Annisaa Punjul Rahayu ◽  
Eti Suminartika ◽  
Anne Charina
Keyword(s):  
Inventory Management ◽  
Secondary Data ◽  
Raw Material ◽  
Primary Data ◽  
Total Cost ◽  
Inventory Costs ◽  
The People ◽  
Long Run ◽  
Total Inventory

Cassava as the third staple food for the people of Indonesia after rice and corn, is the raw material for making ‘tape singkong”. Agroindustry Peuyeum Abas Sawargi located in District Cimenyan, Bandung Regency buy cassava almost every day to make “tape singkong”. It's not economical and inefficient; therefore good cassava inventory management is required. The purpose of this research was to determine the amount of economical cassava inventory and to know when to re-order the cassava so that the total cost of inventory to be a minimum, as well as comparing the actual cost of inventory to those based on economical cassava inventory. The research design was qualitative with case study technique. The collected data consists of primary data year 2017 and secondary data which were analyzed descriptively and quantitatively by Economic Order Quantity (EOQ) and Reorder Point (ROP) methods.. The results showed that the amount of cassava inventory that must be available was 3,264 kg with the frequency of ordering 61 times a year, while the re-ordering of cassava must be carried out when the remaining cassava stock of 2,240 kg. As a result, total inventory costs decreased by almost 48% within a year.  Thus, the production process becomes more efficient and in the long run the agroindustry can be expected to be more competitive. 

scholarly journals Analisis Pengendalian Persediaan Bahan Baku dengan Menerapkan Metode EOQ (Economic Order Quantity) pada PT. Jatisari Furniture Work

2021 ◽  
Vol 5 (1) ◽  
pp. 215
Author(s):  
Arga Sutrisna ◽  
Rizki Ginanjar ◽  
Suci Putri Lestari
Keyword(s):  
Production Costs ◽  
Raw Material ◽  
Economic Order Quantity ◽  
Economic Order ◽  
Analysis Tool ◽  
Order Quantity ◽  
Inventory Cost ◽  
Total Cost ◽  
Inventory Costs ◽  
Total Inventory

This research objectives aims to determine and analyze raw material inventory control, the ideal raw material inventory that the company must provide and the efficiency of production costs carried out by Jatisri Furniture Work in Tasikmalaya for the period 2018.11 – 2020.02. The data collection method in this study is by direct observation at Jatisari Furniture Work in Tasikmalaya. Using techniques such us interviews, observation, and documentation. These observations were made in production reports for the years 2018 – 2020. The analysis tool was carried out using the Economic Order Quantity (EOQ) method such us safety stock, reorder point, and total inventory cost. The result of the Economic Order Quantity (EOQ) analysis show that the total cost of raw the material inventory that must be incurred by the company is greater than the total cost of inventories calculated according to the EOQ method. Companies should follow the calculations from the EOQ method so that they can save on raw material inventory costs, so that production costs are more efficient.

scholarly journals MATERIAL REQUIREMENT PLANNING UNTUK MEMENUHI PRODUKSI PADA CV. BANGUN CIPTA ARTHA DI BADUNG

2020 ◽  
Vol 9 (2) ◽  
pp. 426
Author(s):  
I Made Sugita Yasa ◽  
Kastawan Mandala
Keyword(s):  
Inventory Management ◽  
Lot Sizing ◽  
Raw Materials ◽  
Raw Material ◽  
Exact Order ◽  
Lot Size ◽  
Inventory Costs ◽  
Material Requirement Planning ◽  
Material Requirement ◽  
Total Inventory

Inventory management without Material Requirement systems in CV. Bangun Cipta Artha resulted in the lot size for each order of raw materials not optimal. One concept that can be used to plan and control raw materials is the Material Requirement Planning. This study is to determine the number of sizes of raw material orders, the exact order time, the method that produces the lowest cost for each raw material, and the effect of using MRP on inventory costs. This research conducted on 160x200cm spring bed products. Data was analyzed by making production master schedules, determining net requirements, determining lot size, and making MRP tables. Based on the results, the determination the best lot sizing is the order quantiy period which results in a total inventory cost of Rp. 26,475,220 where the total cost is lower, compared to lot for lot method which Rp. 43,464,000. part period balancing Rp. 33,106,576, and conventional method Rp.49,472,912. Keywords: Material Requirement Planning (MRP), Sizing Lot, Lot For Lot, Balancing Part Period, Period Order Quantiy

scholarly journals PENERAPAN METODE CROSSDOCKING UNTUK MEMINIMUMKAN BIAYA DISTRIBUSI DAN PERSEDIAAN PADA PT. XYZ

2020 ◽  
Vol 7 (2) ◽  
pp. 202-208
Author(s):  
St. Nova Meirizha ◽  
Ari Andriyas Puji ◽  
Ardi Adrian
Keyword(s):  
Competitive Advantage ◽  
Technological Development ◽  
Safety Stock ◽  
Total Cost ◽  
Distribution Costs ◽  
Inventory Costs ◽  
Target Company ◽  
Long Time ◽  
Main Components ◽  
A Company

Rapid technological development changes the form of competition between profit-oriented companies. The presence of new methods of company management is getting more intense due to the demands of a competitive advantage with other companies. One of the areas that can create competitive advantage is the operational sector. Furthermore, Supply Chain Management has become one of the main components as a competitive strategy to develop the productivity and profitability capabilities of a company. Meanwhile, crossdocking systems have been found for a long time, but the application is often not too significant for companies and there is still room for optimization. Therefore, the researcher was interested in carrying out research related to crossdocking. In this study, the target company is PT. XYZ as a distribution center company that has problems in managing distribution costs and supplies to its partners. By implementing crossdocking, it can help companies in minimizing distribution and inventory costs. The steps in this study are determining vehicle distribution routes, calculating the number of distribution fleets, scheduling distribution fleets, calculating the total safety stock and calculating the ratio of the total cost of supplies in the current condition to the proposed conditions. The research results obtained 2 optimal distribution routes with a total distribution fleet of 2 units, divided into fleet 1 with a capacity of 800 units and fleet 2 with a capacity of 767 units. As for the scheduling results, the makespan value of each fleet is obtained, namely 240 minutes for fleet 1 and 248 minutes for fleet 2. The amount of safety stock for each type of cellphone is Y19 with 27 units of safety stock, Y12 with 102 units of safety stock, Y30 with safety stock 75 units and V19 with safety stock 54 units. The total cost of supplies is 2,989,055 rupiah in one order process.

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.

Inventory Control and Replenishment of Multi-Product Multi-Echelon Based on Time Cost Under JMI Environment

2013 ◽  
Vol 5 (2) ◽  
pp. 19-30
Author(s):  
Zhi Chen ◽  
Chao Ren ◽  
Ren-long Zhang ◽  
Mi-Yuan Shan
Keyword(s):  
Supply Chain ◽  
Inventory Management ◽  
Service Level ◽  
Control Model ◽  
Management Tool ◽  
Time Cost ◽  
Inventory Cost ◽  
Inventory Costs ◽  
Total Inventory ◽  
Replenishment Strategy

Joint managed inventory is an advanced supply chain inventory management tool, which will effectively tackle the complicated problem between the inventory cost of supply chain and service level. The research on inventory model and its’ control under JMI environment is a hot issue at present. In this paper, the authors deeply discuss the question of the inventory time costs about the multi-product and multi-echelon control model and its’ replenishment strategy under JMI environment. With considering the foundation of JMI and time cost, the authors propose the multi-product multi-echelon inventory cost control model under time cost. Then formulate corresponding replenishment strategy. At last, through a numerical example, the authors discover that the multi-product multi-echelon joint inventory management based on time cost can effectively reduce the total inventory costs and improve the competitiveness of the entire supply chain.

scholarly journals ANALISIS PENGENDALIAN PERSEDIAAN BAHAN BAKU PLAT BESI INDUSTRI KAROSERI MENGGUNAKAN METODE EOQ (Studi Kasus Pada PT. MISITAMA)

2018 ◽  
Vol 3 (1) ◽  
Author(s):  
Paduloh Paduloh
Keyword(s):  
Manufacturing Industry ◽  
Raw Materials ◽  
Secondary Data ◽  
Raw Material ◽  
Safety Stock ◽  
Total Cost ◽  
Reorder Point ◽  
Material Purchases ◽  
Total Inventory ◽  
Iron Iron

This study aims to analyze the optimal usage volume of iron raw plates required by PT. Misitama for the period of 2017. PT. Misitama is a company engaged in the field of tank manufacturing industry for the needs of manufacturing and mining industries. The study analyzed the total cost of Iron Iron raw material supply which must be used by PT. Misitama during 2017, analyzing reorder point, safety stock and raw material inventory control using EOQ method. The data used is the data of September 2017 - October 2017. The data used is secondary data derived from corporate data. The results show that the amount of raw material purchases during 2017 if using the EOQ method becomes lower. The optimal purchase of raw materials to be done by the company in 2017 is 14.8 m2 with the frequency of ordering to be done as much as 8 times. The quantity of safety stock (Safety Stock) that must be available in warehouse of 7 m2 and reorder point (reorder point) EOQ that is when the warehouse inventory is only 8.88 m2. Total inventory cost for production process issued by PT. Misitama by using EOQ method becomes smaller than the total cost of previous inventory.

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