Fatigue life analysis of globoidal indexing cam with steel ball

The fatigue life formula of globoidal indexing cam with steel ball was calculated by using the life theory of Lundberg and Palmgren.Referencing the calculation methods and empirical data of bearing and ball screw rated load,the rated load formula of globoidal indexing cam with steel ball was deduced.Last using the international standards of bearing life on life compensation to compensate the life of globoidal indexing cam with steel ball.