Abstract
An exact expression for the maximum output acceleration of a two-mass-and-spring cam system is developed for zero damping and dwell-rise-dwell profiles. A family of high-speed cam profiles having minimum components in the higher harmonics and similar in shape to Neklutin's “modified trapezoids” is suggested. One simple formula applies to the whole profile. General considerations on optimization of cam profiles (for minimum force on follower) and limitations on ultimate performance are presented.
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