Abstract
Improving the quality of the production process is something that is needed by an industry. However, this will not happen if there is still waste in the production process. With a lean manufacturing strategy, companies are able to identify the types of waste that occur in the production process so that the waste that occurs can be eliminated. Waste is identified with seven wastes using the Waste Assessment Model (WAM), then detailed mapping is carried out with Value Stream Analysis Tools (VALSAT) and the root cause of the problem is analyzed with Fishbone. The results showed that the waste in the production process was a waste defect of 16.49%, the second rank was waste transportation of 16.36%, and the third rank was waste process of 14.82%. After the Fishbone analysis was carried out, we obtained suggestions for improvements to each waste which could reduce waste in the production process, from the normal time of 484 minutes for one production process to be reduced by 69 minutes
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