Actions

Linear Cam

From DT Online

Revision as of 09:38, 19 April 2016 by DT Online (talk | contribs) (Added animation)
Lc.gif

Linear cams move backwards and forwards in a reciprocating motion and the shape of the surface of the cam determines how far, and in what manner, the ‘follower’ moves in response.


Most cams are design using a Displacement Diagram - essentially a graph which plots the cam movement against the follower movement. A linear cam can be imagined to be the shape of the graph cut from solid plate and then passed backwards and forwards beneath the follower.


Note: A simple wedge can be regarded as a basic form of linear cam - when driven into the end of a timber log, or used as an axe, the wedge transfers the vertical linear motion of the hammer into a horizontal force which spilts the wood.