“…Particurarly, High Speed Steel (HSS) hob is one of the most useful tools. Furthermore, the cutting mechanics in gear hobbing is very complex as mentioned by Umezaki et al (2001Umezaki et al ( , 2008 and Ishimaru et al (2011). Therefore, it is important that improving productivity for gear manufacturing is increased by using carbide tipped hob with heatproof.…”