Unit 2

Cams and followers

Cams are usually used in machines where, in some part of that machine, rotary motion needs to be changed into reciprocating linear motion. They come in a wide range of sizes and shapes, all of which are designed for specific tasks.

Each type of these movements requires a different cam profile (followers that move around the cams). The most common are:

• Flat -(flat disc or block) - Lots of friction. Cannot follow hollow contours.
• Knife -(pointed end…