Fadhillah, Naila Anargya (2026) PENGENDALIAN PERSEDIAAN BAHAN BAKU MESIN CUCI TWIN TUB DENGAN METODE CONTINUOUS (Q) DAN PERIODIC (P) REVIEW DI PT. PANGGUNG ELECTRIC CITRABUANA. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Inventory is a critical component in company operational systems to ensure the sustainable availability of raw materials. PT. Panggung Electric Citrabuana is an electronics manufacturing company that produces Twin Tub washing machines with four main spare parts, namely Spin Motor, Motor Wash, V-Belt, and Water Inlet. Unpredictable demand fluctuations and inconsistent ordering lead times expose the company to the risk of inventory shortages causing lost sales as well as warehouse overcapacity, both of which contribute to increased total inventory costs. This study aims to optimize spare part inventory control for Twin Tub washing machines in order to minimize total inventory costs. The methods applied are Continuous Review (Q) and Periodic Review (P) under a lost sales policy. The results show that the Continuous Review (Q) Lost Sales method yields the optimal inventory policy for the period of April 2026 to March 2027, with order quantities of 850 pcs for Spin Motor, 1,225 pcs for V-Belt, and 1,325 pcs for Water Inlet, resulting in a total inventory cost of IDR 2,299,642,132. Therefore, the Continuous Review (Q) Lost Sales method can be adopted as a more efficient inventory control policy to maintain spare part availability and support uninterrupted production operations.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > T Technology (General) > T55.4-60.8 Industrial engineering. Management engineering T Technology > TS Manufactures > TS 155-194 Production Management, Operations Management |
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| Divisions: | Faculty of Engineering > Departement of Industrial Engineering | ||||||||
| Depositing User: | Naila Anargya Fadhillah | ||||||||
| Date Deposited: | 29 May 2026 08:35 | ||||||||
| Last Modified: | 29 May 2026 08:35 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/52668 |
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