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Abstract
This research aims to minimize waste in the sickle production process at PT XYZ by applying Lean Manufacturing techniques, specifically Value Stream Mapping (VSM) and Value Stream Analysis Tools (VALSAT). The study began with direct observation and data collection of production activities to identify non-value-added activities (NNVA) and waste. Types of waste, including defects, excessive inventory, and waiting times, were identified and analyzed using the 5 Whys method to determine their root causes. Process Activity Mapping (PAM) was employed to classify activities into value-adding, non-value-adding, and necessary non-value-adding categories. Improvements were implemented, such as optimizing material transfers with forklifts, reducing waiting times, and strengthening quality control processes. As a result, non-value-adding activities were reduced from 9% to 0%, significantly enhancing production efficiency.
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References
- Anuar, M. A. S., & Mansor, M. A. (2022). Application of Value Stream Mapping in the Automotive Industry: A Case Study. Journal of Modern Manufacturing Systems and Technology, 6(2), 34–41. https://doi.org/10.15282/jmmst.v6i2.8561
- Aswita, D. (2022). Merdeka Belajar Kampus Merdeka (Mbkm): Inventarisasi Mitra Dalam Pelaksanaan Magang Mahasiswa Fakultas Keguruan Dan Ilmu Pendidikan. Prosiding Seminar Nasional Biotik, 9(2), 56. https://doi.org/10.22373/pbio.v9i2.11747
- Chao, B., Zhang, C., Yu, Z., Guo, H., Ren, Y., & Zhang, H. (2022). Research on Optimization and Simulation of Sand Casting Production Line Based on VSM. International Journal of Lean Six Sigma, 13(6), 1185–1199. https://doi.org/10.1108/ijlss-10-2021-0183
- Dadashnejad, A.-A., & Valmohammadi, C. (2018). Investigating the Effect of Value Stream Mapping on Operational Losses: A Case Study. Journal of Engineering Design and Technology, 16(3), 478–500. https://doi.org/10.1108/jedt-11-2017-0123
- Perneger, T. (2004). Writing a research article: advice to beginners. In International Journal for Quality in Health Care (Vol. 16, Issue 3, p. 191). Oxford University Press. https://doi.org/10.1093/intqhc/mzh053
- Şanlı, Ö., Erdem, S., & Tefik, T. (2014). How to write a discussion section? In Türk üroloji dergisi (Vol. 39, Issue 1, p. 20). https://doi.org/10.5152/tud.2013.049
References
Anuar, M. A. S., & Mansor, M. A. (2022). Application of Value Stream Mapping in the Automotive Industry: A Case Study. Journal of Modern Manufacturing Systems and Technology, 6(2), 34–41. https://doi.org/10.15282/jmmst.v6i2.8561
Aswita, D. (2022). Merdeka Belajar Kampus Merdeka (Mbkm): Inventarisasi Mitra Dalam Pelaksanaan Magang Mahasiswa Fakultas Keguruan Dan Ilmu Pendidikan. Prosiding Seminar Nasional Biotik, 9(2), 56. https://doi.org/10.22373/pbio.v9i2.11747
Chao, B., Zhang, C., Yu, Z., Guo, H., Ren, Y., & Zhang, H. (2022). Research on Optimization and Simulation of Sand Casting Production Line Based on VSM. International Journal of Lean Six Sigma, 13(6), 1185–1199. https://doi.org/10.1108/ijlss-10-2021-0183
Dadashnejad, A.-A., & Valmohammadi, C. (2018). Investigating the Effect of Value Stream Mapping on Operational Losses: A Case Study. Journal of Engineering Design and Technology, 16(3), 478–500. https://doi.org/10.1108/jedt-11-2017-0123
Perneger, T. (2004). Writing a research article: advice to beginners. In International Journal for Quality in Health Care (Vol. 16, Issue 3, p. 191). Oxford University Press. https://doi.org/10.1093/intqhc/mzh053
Şanlı, Ö., Erdem, S., & Tefik, T. (2014). How to write a discussion section? In Türk üroloji dergisi (Vol. 39, Issue 1, p. 20). https://doi.org/10.5152/tud.2013.049