Abstract
The graphical-analytical methods are mentioned as being straightforward and expedite. The paper presents a graphical-analytical method for the kinematical analysis of a mechanism with rotating cam and oscillating flat-face follower. The manner supposes considering the contact point as a separate element of the mechanism and using concurrently the replacing mechanism with lower pairs and the actual mechanism, the relative motions from the contact point of the cam and contact point of the follower, respectively, are established. The methodology is exemplified for an actual case.
Highlights
The cam mechanisms are identified taking into account the motion of the cam, the motion of the follower and the type of contact between the cam and the follower [1]
Considering the last criterion, the followers are of knifeedge type, when a single contact point exists with the cam, and from flat-face category, when the follower is tangent permanently to the profile of the cam
The graphical-analytical methodologies have as foremost advantages the straightforward mathematical apparatus and quickness of solving
Summary
The cam mechanisms are identified taking into account the motion of the cam, the motion of the follower and the type of contact between the cam and the follower [1]. A method for the kinematical graphicalanalytical analysis was propose and applied in a recent paper [6] for a mechanism with cam and curved follower with non-zero curvature. In the paper it is noticed that the method cannot be applied for mechanisms with rotating cam and flat face follower, Fig. 1, since the two mechanisms are not structurally equivalent. For this reason, a method for kinematical analysis of the mechanism with flat face follower is presented with emphasis upon the causes impeding the direct establishing of the motion of the follower and of the relative camfollower motion
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