| Summary: | The purpose of this research is to redesign the dust filter tool in Gerandong cracker making process. This research used qualitative method based on Root Cause Analysis (RCA) concept approach and Design for Assembly (DFA). Root Cause Analysis (RCA) is a process of identifying factors that cause variations in performance or predisposition to undesirable outcomes. DFA is a method for assembling components and subcomponents to form a product to optimize cost efficiency. The results of the study stated that the initial efficiency value of dust filter tool is 21%, while the efficiency after the redesign is 31%, so productivity has increased 10%. The total time before redesigning the device is 1376.25 seconds and after the redesign becomes 1156.34 seconds. The part of a component before the redesign is 38 pcs, and after the redesign is 33 pcs, and cost to make dust filter tool before the redesign is IDR 762,000 and after redesign is amount IDR 528,500. Based on these results, it can be concluded that redesigning the dust filter tool can improve the efficiency and produce better products.
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