DYNAMICS FUNDAMENTALS
Follower
Spring k
Roller
Cam L m
I m I
,< l J:,x , x"
0)
2
Fc (t)
(a) Physical system (b) Lumped model Cc) Free-body
diagram
FIGURE 10-4
One-DOF lumped parameter model of a cam-follower system
are not truly rigid. The springiness in the system is assumed to be linear, thus describable by a
spring constant k. A spring constant is defined as the force per unit deflection.
k = Fs
X
(10.14)