Cam's Radius of Curvature
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Software copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Info
The roller follower has a radius that is too large to follow the locally smaller concave (negative) radius on the cam. Notice that the roller follower will be in contact with the cam at two points in the concave region.
Source
This Working Model file is adapted from Figure 8-48 on p.436 in Design of Machinery, 3rd ed. by Norton, R. L., McGraw-Hill, 2004.
Credits
This Working Model file was first developed by Fan (Michael) Mo.