Gate Location and Injection Analysis of a Spur Gear Wafiuddin Md Ghazali, Daing Mohamad Nafiz Daing Idris, Azizul Helmi Sofian, Januar Parlaungan Siregar and Mohamad Firdaus Basrawi MATEC Web Conf., 225 (2018) 06012 Published online: 05 November 2018 DOI: 10.1051/matecconf/201822506012