Abstract
and eliminate waste. CV. Hidup Baru is a company that manufactures Bottled Drinking Water (bottled water) systems make to stock. The company set a number of production based on rough estimates of consumer demand in the previous periods. This causes the total production exceeds the amount of consumer demand for 6 periods within the range of the last 12 periods derived from historical data of the company. According to these data, too, can be seen an average of the final product inventory in the warehouse at 280% of the final product in each period. Stacking sizable inventory of this course will cause the cost of carrying cost is high. Therefore, this study aimed to optimize the amount of inventory in the warehouse by using the concept of lean manufacturing, in which the system uses the reorder point (amount of safety stock) as the minimum inventory that should be there in the shed, so companies can plan production quantities which should be generated in the next period. The results showed that with the proposed inventory system obtained total cost savings reached 716.100 cardboard carrying cost and inventory turnover value of 2 times is also larger than the current inventory system.Keywords: Lean Manufacturing, Safety Stock, Carrying Costs, Inventory Turnover
Highlights
Lean Manufacturing is a set of techniques that when combined and applied will reduce and eliminate waste
The results showed that with the proposed inventory system obtained total cost savings reached 716.100 cardboard carrying cost and inventory turnover value of 2 times is also larger than the current inventory system
Engineering Optimization: Theory and Practice, Fourth Edition
Summary
Sistem rantai pasok adalah jaringan instansi-instansi yang secara bersama-sama bekerja untuk menciptakan dan menghantarkan suatu produk ke tangan pemakai akhir. Tujuan utama supply chain system adalah untuk memenuhi permintaan pelanggan melalui penggunaan sumber daya yang paling efisien, termasuk kapasitas distribusi, persediaan dan sumber daya manusia [1]. Konstruksi, dan pemeliharaan dari sistem teknik, insinyur harus mengambil beberapa teknologi dan keputusan manajerial dalam beberapa tahap. Tujuan akhir dari semua keputusan seperti itu adalah meminimalkan upaya yang diperlukan atau untuk memaksimalkan manfaat yang diinginkan. Optimasi dapat didefinisikan sebagai proses untuk mendapatkan keadaan yang memberikan nilai maksimum atau minimum dari sebuah persoalan. Lean adalah suatu proses produksi dapat berjalan dengan menggunakan lebih sedikit bahan, membutuhkan lebih sedikit investasi, menggunakan lebih sedikit persediaan, membutuhkan lebih sedikit ruang, membutuhkan lebih sedikit pekerja
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