“…From the index of Gentan-i, all the elements of each vehicle (from raw material to final processes) in the whole company can be controlled and detect the waste/muda. The concept of Gentan-i is similar understanding of hours-per-vehicle (Weyer, 2011), vehicle-per-employee (Abolhassani and Jaridi, 2016), job-per-hour (El-Khalil, 2015), or man-hour-per-unit (Kazaz et al ., 2016). The Gentan-i purpose is managing production cost and to maintain the ideal cost or standard cost.- Process balance/Heijunka: is a pre-condition of JIT (Ohno, 1988), a key element of the TPS (Korytkowski et al ., 2013), which leveling of production by both production volume and product mix (Liker, 2004).
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