Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 261
Fig. 174.and groove. This is called the box-cam system. The diffi-culty is that the inside surface of the groove drives theroller on the lifting stroke, and the outside surface of the C c … Fig. 175. groove drives the roller on the reverse stroke. Hence ateach reversal of motion the rotation of the roller mustbe instantly reversed, and the inertia of the roller resist-ing this reversal prevents perfect rolling contact at those CAM AND RELEASE VALVE-GEAR. 207 points of reversal, and…
Mechanical engineering · Steam power plants
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