Analysis of Postponement Practice in Cement Supply Chain: A Case Study

Romadlon, Fauzan; Kurniawan, Hadi; Ananda, Ridho

doi:10.23917/jiti.v19i2.11343

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…Proses produksi semen memiliki beberapa tahapan, tahap pertama mengubah bahan baku berupa limestone, clay, sand, and additive material menjadi clinker menggunakan mesin kiln bersuhu tinggi dengan proses kimia. Clinker merupakan bahan baku utama semen (Romadlon et al, 2020). Kemudian, Clinker diubah menjadi semen yang siap dipasarkan dengan melawati proses grinding dan QC (quality control).…”

Section: Hasil Dan Pembahasanunclassified

Analisis Kapasitas Produksi dan Pemenuhan Permintaan dengan Model Sistem Dinamis pada Industri Semen

Karima¹,

Saputra²,

Romadlon³

2022

UNISTEK

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Planning production capacity to meet demand is a challenge for companies. Inventory and fulfillment rate problems become an issue in every planning process. The company aims to minimize inventory and maximize the level of demand fulfillment. Small production activities will minimize total inventory but reduce the level of demand fulfillment, and vice versa. The system dynamic modeling was chosen to model the condition of the production system in determining the medium-term strategy. Dynamic systems are very appropriate for simulating policies and evaluating the conditions of production systems. System dynamic modeling using Vensim software. Based on the model results, it is found that the installed capacity production will be able to meet the demand for the next six years. To meet demand in the next 8 years, the company can increase its grinding machine pro

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Section: Hasil Dan Pembahasanunclassified

Analisis Kapasitas Produksi dan Pemenuhan Permintaan dengan Model Sistem Dinamis pada Industri Semen

Karima¹,

Saputra²,

Romadlon³

2022

UNISTEK

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“…The first stage is to convert raw materials such as limestone, clay, sand, and additive materials into clinkers. Clinker is the main ingredient in cement making (Romadlon et al, 2020). The process uses a high-temperature kiln machine and a chemical process.…”

Section: Introductionmentioning

confidence: 99%

Optimizing the Preventive Maintenance Scheduling Based on Dynamic Deterministic Demand in The Cement Manufacturing

Karima¹,

Romadlon²

2021

JITI

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Preventive maintenance is a planned and scheduled maintenance method that is carried out before a machine failure occurs. The maintenance schedule can be determined based on experience, historical data, or recommendations. Selecting the maintenance schedule greatly affects the production system. The Clin machine in cement manufacturing has an important role in the cement production process. During treatment, the client machine cannot produce clinker, so it is necessary to plan a production system to meet the demand. This paper aims to design an optimization model for determining the preventive maintenance schedule for cement manufacturing by considering the production process and inventory control. Mathematical models with binary options are used to model that system. The model supports showing the optimal preventive maintenance schedule for the ciln machines with a binary decision each period. This mathematical model describes the interaction of production planning, inventory control, and scheduling of total maintenance on a kiln machine. The goal of this system is to determine the optimal preventive maintenance schedule with minimum costs. In addition, the system's output is the optimal production and inventory decision rule for each period. Based on the analysis and simulation of the model with the deterministic and dynamic demand, the optimal preventive maintenance schedule is in the 9th and 21st periods. The kiln machines are maintained every July with minimal costs. The model scenario shows the interaction of the variables and the sensitivity of the production capacity and demand to the decision rule of the variable.

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Analysis of Postponement Practice in Cement Supply Chain: A Case Study

Cited by 2 publications

References 14 publications

Analisis Kapasitas Produksi dan Pemenuhan Permintaan dengan Model Sistem Dinamis pada Industri Semen

Analisis Kapasitas Produksi dan Pemenuhan Permintaan dengan Model Sistem Dinamis pada Industri Semen

Optimizing the Preventive Maintenance Scheduling Based on Dynamic Deterministic Demand in The Cement Manufacturing

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