Abstract. The industrial competition requires companies to produce high-quality products, but the phenomenon is that companies still produce products that do not meet specifications and are returned by customers. This is the basis for conducting research aimed at analyzing the implementation of quality control, knowing the main defects of the product, and making improvements to reduce or eliminate problems during the production process using the Six Sigma approach with steps: Define, Measure, Analyze, Improve and Control. The research sample is the result of the final product inspection in April - September 2019. The results of the study indicate that the implementation of Quality control has been carried out but not maximally, with the root causes of the main defects being method, material, and machine. CTO in this research are: foreign body contamination, leak packaging, product temperature exceeds the standard, over drip, and thick fat. After improving, there was an increase in sigma level from 3.48 (performance baseline) to 3.83. Control is carried out to maintain consistency of corrective actions by regular briefings to operators, increasing GMP training, 5S, and product knowledge, standardizing SOP changes, adding necessary tools, and controlling preventive maintenance implementation. Keywords: Quality control, six sigma, wagyu, defect product, DMAIC
In automotive component company that produce electric components their supply activities have the opportunity to arise risks. Therefore, is necessary to identify and analyze critical risks or disturbances that are likely to arise and mitigate risks in operational activities in the component automotive supply chain. This research was conducted with using a house of risk model consisting of 2 phases. The first phase is identifying risk and agent risk, which then measure the severity and insurance level and calculate the aggregate risk priority (ARP) value. The second phase is handling risk. After doing research risk mitigations which were prioritized to be realized were review the current SOP and control the implementation, make punishment policy that does not to according to the SOP, maximize supervision to subordinates, discussions with customers for specific policy change in each issue, improve production and inventory control performance, arrange engine maintenance programs according to production capacity, discussion to review contracts with suppliers, strengthen implementation TQM in supplier and look forward to more long term potential supplier.
The purpose of this research is to improve the product quality problem experienced by one of dry SLS manufacturing company in Indonesia. The high number of non conforming product during the past year makes the sales target to be unachievable and caused the loss due to many rework process. Tools are used in this research is to apply the seven tools approach. Flowchart, Pareto chart, and histogram are used to calculate and determine the problem to be fixed. Collection of improvement idea is done by brainstorming and improvement analysis is done by using Fishbone diagram. The results of the improvements made good results are marked by decreasing the number and percentage of non conforming product more than 50 percent of the amount of non conforming product on the previous condition prior to the improvement.
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