Abstract
Mazda has started providing ′Celebrate driving′ and ′excellent safety and environmental performance′ as the SKYACTIV technology from 2011. And the features of SKYACTIV engines are continuing to evolve even now. As the evolution of Mazda′s ′MONOTSUKURI innovation′ supporting these SKYACTIV engine features and productivity breakthrough, we explain high efficiency machining by model based development in mass production preparation.