PENERAPAN SISTEM KANBAN DALAM MEMPERBAIKI TINGKAT SEDIAAN

HASBULLAH, HASBULLAH (2003) PENERAPAN SISTEM KANBAN DALAM MEMPERBAIKI TINGKAT SEDIAAN. S2 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Although the Kanban System implementation is not unfamiliar in the Manufacturing Industry and has contributed significantly to improving efficiency and productivity, the reality is that many industries in Indonesia have not yet adopted it, even though their production characteristics are suitable for its use. The Kanban System is a pull production system where production activities are based on kanban orders, which means "cards" in Japanese, where the number of cards or kanbans corresponds to the quantity, time, and type requested by customers, not based on planning, estimation, or manager orders (push production). By implementing the Kanban System, this study attempts to improve inventory levels by 23.80% in an automotive industry supplier to Toyota Car Factory in Sunter. The Kanban method in this study uses a level production pattern at all times (production leveling) based on production orders according to the number of circulating Kanbans, not based on planning, direct demand, or market fluctuations. The inventory level was successfully improved by 5.75% without any production supply being stopped due to inventory shortages. It is expected that this research will contribute to the industry in Indonesia in the implementation of the Kanban System, which is currently moving towards Electronic Kanban (E-kanban) as a platform for the Just In Time (JIT) System supported by information systems. Keywords: Sistem Kanban, stocks, Just In Time, production leveling Walaupun Sistem Kanban sudah tidak asing penerapannya di Industri Manufaktur dan banyak memberikan kontribusi dalam meningkatkan efisiensi dan produktivitas, tetapi kenyataannya masih banyak industri di Indonesia belum menggunakannya walaupun secara karakteristik produksi cocok digunakan. Sistem Kanban adalah sistem pull production di mana kegiatan produksi dilakukan berdasarkan perintah kanban yang berarti kartu dalam bahasa Jepang, di mana jumlah kartu atau kanban sesuai dengan jumlah, waktu dan jenis yang diminta pelanggan, bukan berdasarkan perencanaan, perkiraan atau perintah manajer (push production). Penelitian ini mencoba melakukan perbaikan tingkat persediaan berlebih 23.80% di suatu industri otomotif pemasok Pabrik Mobil Toyota di Sunter melalui penerapan Sistem Kanban. Metode Kanban dalam penelitian ini menggunakan pola produksi yang rata setiap waktu (production leveling) berdasarkan perintah produksi berdasarkan jumlah Kanban yang beredar, bukan berdasarkan perencanaan, permintaan langsung atau fluktuasi pasar. Tingkat persediaan berhasil diperbaiki mencapai 5.75% tanpa ada pasokan produksi berhenti karena kekurangan persediaan. Dari penelitian ini diharapkan memberi kontribusi pada industri di Indonesia dalam penerapan Sistem Kanban, yang saat ini bergerak ke Sistem Kanban Elektronik (E-kanban) sebagai platform Sistem Just In Time (JIT) yang didukung sistem informasi. Kata kunci: Sistem Kanban, Persediaan, Just In Time, production leveling

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