Application of the Six Sigma Method to Overcome Stock Warehouse Difference at PT United Tractors
DOI:
https://doi.org/10.31334/logistik.v7i1.3454Keywords:
Six Sigma, DMAIC, Stock Difference, Supply,Abstract
PT. United Tractors has a warehouse to support its business activities, storing goods in the warehouse. Problems that often occur in warehouses are stock differences and actual goods not matching the system. The aim of this research is to find the cause of the problem and overcome it. Six Sigma method with DMAIC (Define, Measure, Analyse, Improve, Control, and Evaluation) stages Used to overcome warehouse stock discrepancy problems. The subject of this research is a case study at PT. United Tractors East Jakarta. The dependent variable in this research is the Six Sigma method, and the independent variable is the difference in warehouse stock. The data used in the research are field studies and observations carried out in the PT warehouse. United Tractors East Jakarta The results of this research use the Six Sigma method to determine inventory control over stock discrepancy problems by going through stages. obtained results of 4 causes of stock discrepancy problems; the measurement stage looked for the highest percentage of values causing stock problems; from the high percentage results, the factors causing stock discrepancy problems were analysed; proposals for improvements were made that could have a good impact; and a monitoring stage was made of the factors causing stock discrepancy problems.References
A. R. Arwani, Warehouse Check Up, 1st ed. Jakarta: Penerbit PPM, 2009.
S. Indrawati, S. Miranda, and A. Bryan Pratama, “Model of Warehouse Performance Measurement Based on Sustainable Warehouse Design,†in Proceedings - 2018 4th International Conference on Science and Technology, ICST 2018, Institute of Electrical and Electronics Engineers Inc., Nov. 2018. doi: 10.1109/ICSTC.2018.8528712.
M. Nasrabadi and A. Mirzazadeh, “The Inventory System Management under Uncertain Conditions and Time Value of Money,†vol. 3, no. 1, pp. 1192–1214, 2016.
T. Laosirihongthong, D. Adebanjo, P. Samaranayake, N. Subramanian, and S. Boon-itt, “Prioritizing warehouse performance measures in contemporary supply chains,†International Journal of Productivity and Performance Management, vol. 67, no. 9, pp. 1703–1726, Nov. 2018, doi: 10.1108/IJPPM-03-2018-0105.
F. Rangkuti, Manajemen Persediaan. PT. Raja Grafindo Persada., 2007.
R. Vikaliana, Y. Sopian, N. Solihati, D. B. Adji, and S. S. Mulia, Manajemen Persediaan. Bandung, Indonesia: Media Sains, 2020. [Online]. Available: https://scholar.google.com/citations?hl=id&user=VWBjbtgAAAAJ&view_op=list_works&authuser=1&sortby=pubdate#d=gs_md_cita-d&u=%2Fcitations%3Fview_op%3Dview_citation%26hl%3Did%26user%3DVWBjbtgAAAAJ%26sortby%3Dpubdate%26authuser%3D1%26citation_for_view%3DVWBjb
H. Prasetyo and M. T. Nugroho, “Pengembangan Model Persediaan Bahan Baku Dengan Mempertimbangkan Waktu Kadaluwarsa Dan Faktor Unit Diskon,†Jurnal Ilmiah Teknik Industri, vol. 4, no. 3, pp. 115–122, 2006.
R. Shankar, Process Improvement Using Six Sigma. 2009. [Online]. Available: https://books.google.ie/books?hl=en&lr=&id=pJFeNy9Z74IC&oi=fnd&pg=PR3&dq=DMAIC&ots=frlfPRwq0b&sig=pChD5SiFBpwZIgSOSMdOrdds6Mg&redir_esc=y#v=onepage&q=DMAIC&f=false
J. W. Creswell, Research design : qualitative, quantitative, and mixed methods, 4th ed. California, USA: Sage Publications, Inc., 2014.
V. Gaspersz, Lean Six Sigma for Manufacturing and Services Industries. Jakarta: PT Gramedia Pustaka Utama, 2007.
R. ÄŒiarnienÄ— and M. VienažindienÄ—, “Lean Manufacturing: Theory And Practice,†Economics And Management, vol. 17, no. 2, Aug. 2012, doi: 10.5755/j01.em.17.2.2205.
S. J. Pavnaskar, J. K. Gershenson, and A. B. Jambekar, “Classification scheme for lean manufacturing tools,†Int J Prod Res, vol. 41, no. 13, pp. 3075–3090, Sep. 2003, doi: 10.1080/0020754021000049817.
A. P. Singh, “Lean Manufacturing: An Approach for Waste Elimination.†[Online]. Available: www.ijert.org
Y. Y. Sari and R. Vikaliana, “Metode Six Sigma Untuk Meminimasi Cacat Produk Quality Control Analysis Using Six Sigma Method To Minimize Product Defects At Pt . Bumiputra Manufacturing Technology,†in Prosiding Seminar Nasional Manajemen Industri dan Rantai Pasok ke-2 Tahun 2021, 2021, pp. 150–163.
M. H. Manulang and R. Vikaliana, “Softlens Dengan Metode Six Sigma Di Pt Ceva Logistik Indonesia Kelapa Gading Quality Control Analysis Of Softlens Products Receiving Using Six,†in Prosiding Seminar Nasional Manajemen Industri dan Rantai Pasok ke-2 Tahun 2021, 2021, pp. 60–70.
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