In a vehicle or machine a cam is rotational device that provides a mathematical movement. In a machine it may guide the head of a cutter like the depth of a cutter on a lathe. In vehicles a cam opens and closes both intake and exhaust valves. It is basically just a pattern.
Cams most of the time have non linear shape or pattern. However, in a car the low point on the cam would be when the valves are closed. On a machine it may be when a cutter is not cutting.
Leave it to an engineer like myself. I think of many amazing old machines and some new that are guided by cams and don't need a computer to control them.
I hope this didn't add more confusion but I guess I am a gear head and cams in my mind are beautiful things.
what makes some one an artist? wether in graphic arts, crafts, street performance, music,.. the genere are endless,... what makes some one an artist? as oposed to just another person with a particular skill set.
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