1. Department of Tool and Materials Engineering; Faculty of Engineering; King Mongkut's University of Technology Thonburi; 126 Pracha Uthit Road, Bang Mod Thung Khru Bangkok 10140 Thailand
2. Department of Mechanical Engineering; Faculty of Engineering; King Mongkut's University of Technology Thonburi; 126 Pracha Uthit Road, Bang Mod Thung Khru Bangkok 10140 Thailand