cam

• 机械部件，通常为旋转或滑动的零件，用于将旋转运动转换为直线运动，或反之。

A mechanical component, typically a rotating or sliding piece in a machine, used to transform circular motion into linear motion or vice versa.

1. Mechanical camC1formaltechnical

   A rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion or vice versa.

   凸轮

   • The engine's cam controls the opening and closing of the valves.
   • He designed a new cam for the automated assembly line.
   • The cam's profile determines the precise movement of the follower.