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Iwan Budihardjo
PT. Astra Daihatsu Motor
Industrial & Manufacturing Engineering

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PENGGUNAAN METODE DYNAMIC PROGRAMMING UNTUK ANALISIS URUTAN PENGGUNAAN MESIN PROSES PRODUKSI PRODUK DEPAKOTE Budihardjo, Iwan; -, Muchdopir
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 9, No 1 (2008): INASEA Vol. 09 No. 1
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

A recurring problem in the industry is to determine the order of machines to be used in production in order to get optimal results. The method used to solve this problem is by using a model of Budgeting Capital from Dynamic Programming. With this model each phase of the process may be called a stage and each machine is considered as a state, where each stage and the state have a mutual relationship as a whole. The model resulted is the following order of the machines, the granulator to process Meshing, Drum Rotator for Mixing, Reynold for Wet Granulation, Static Oven for Drying, Killian RUZS for Compressing and for the coating process Accelacota 48" is used. Total time used for the process is 1445 minute with a time saving of 805 minutes. The time savings enables the company to reduce production costs of machinery and wage labor costs, therefore iti si recommended that this optimal order machinery is applied in the production of Depakote in the future.
AUTONOMOUS MAINTENANCE UNTUK MENINGKATKAN PRODUKTIVITAS PRODUKSI DI PILOT LINE FACTORY 4 Budihardjo, Iwan; Marisa, Dian
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 10, No 1 (2009): INASEA Vol. 10 No. 1
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

Sophisticated machinery can only demonstrate its superiority during the production process, while its operation and maintenance still depend on human skills and a good maintenance system. Total Productive Maintenance (TPM) can be applied to raise company productivity without abandoning scheduled machine maintenance. The purpose of this research is to improve the productivity of production on line stitching. The method used to increase the productivity of production is to calculate Overall Equipment Effectiveness (OEE), using the histogram of downtime, regression equations and correlation, the calculation of the cost of downtime, and analysis of the causes using a Plan, Do, Check, Action (PDCA). The survey results revealed the low productivity of the OEE calculation of 68.12%, due to the often damaged machine and duration of repairs. These in turn is caused by the lack of machinery maintenance, and unavailability of spare-part. To increase the percentage of OEE it is recommended to apply Autonomous Maintenance, building a spare-parts warehouse in every factory, increasing the number of stand-by engines, and provide training on procedures for the use of machinery in accordance with the appropriate Standard Operation Procedures (SOPs).
Co-Authors Dian Marisa Muchdopir -