(under subclass 11.04) Subject matter for forming a shape on the grinding wheel with a relative movement between the grinding wheel and dressing tool, the path of which is guided or controlled by a rotatable, pivotal or rockable member having a contour. [figure]
(1) Note. Three generic types of cam are: face, cylindrical, and plate.
(1)
The face cam consists of a cam track cut into the periphery of a wheel.
(2)
The cylindrical cam has the cam track cut into the face of a cylinder.
(3)
The plate cam use the periphery of edge of a longitudinal member. The cam follower presses against the edge of a plate cam and is held there by pressure from a spring or the pressure of the grinding wheel itself. (2) Note. In cam controlled, the dressing tool is mounted in a floating holder that is actuated by a cam to produce required shape in the wheel.
