Recently, various technologies are developed for implementing ultra-small(high-density, large capacity), high performance(high-speed, multifunction) and low power(low energy consumption) in Mechanical industry including from general equipment such as internal combustion engine and hydraulic equipment to a precision machine for medical use, a transportation machine such as an automobile and metal/components in various machines. Moreover, government affirmatively support R&D in the Mechanical industry for improving national competitiveness.