Question:
Draw the profile of a cam to raise a valve with S.H.M. through 40 mm in
of revolution, keep it fully raised through 1/10
th
1 th
4
revolution and to lower it
with uniform acceleration and retardation in 1/6 th revolution. The valve
remains closed during the rest of the revolution. The diameter of roller is
20 mm and minimum radius of cam to be 30 mm. The axis of the valve rod
passes through the axis of cam shaft.
Answer:
Fig shows a displacement diagram and a cam profile for the roller follower.
