30. 24/01/2017 30
In gearbox design a set of preferred step ratio or preferred
numbers is used to obtain the series of output speed of
gearbox. The preferred step ratio is mentioned as basic series
named as R5, R10,R20,R40 and R80. Each basic series has a
specific step ratio. R [Charles Renard]
Definition of preferred number/speed series
49. 24/01/2017 49
D.P.Bhaskar, Sanjivani COE Kopargaon
A ray diagram is a representation of structural
formula. It provides information such as speed in
each stage, the transmission ratio in each stage, The
total number of speeds and its values.
Definition