Page 542 - Cam Design Handbook
P. 542
THB16 9/19/03 8:04 PM Page 530
Valve train stresses Valve train natural frequecy Permissable cam/tappet stresses
Valve lift (exhaust) Valve train weight Minimum of radius curvature
Spring material Permissable stresses Spring loads Total weight
Valve lift (intake) Spring surge frequency Spring stiffness Height of base curve Base circle radius
Maximum speed Acceleration pattern Maximum negative acceleration Offset of tappet Valve lift Ramp height Factors to be considered in automotive valve-gear design.
Cam action periods Maximum velocity Lobe Maximum width nose radius Diameter of tappet FIGURE 16.1.

