Motion Transformation Systems

Function, Components, and Use

Motion Transformation System

The capacity of a body to change the nature of movement of another body

Screw Gear System

Function- transforms rotation movement of the screw to translation movement of mobile bit

Components- screw and bit

Use- C-clamp

Connecting Rod and Crank

Function- transform rotation movement to back and forth translation movement

Components- rod and crank

Use- combustion engine

Rack and Pinion Drive

Function- transforms rotation movement to translation movement

Components- pinion (toothed wheel) and rack

Use- car steering system

Cam (rotating slider crank mechanism)

Function- transforms rotation movement to translation movement

Components- cam (wheel in the form of an egg) and guided shaft

Use- sewing machines

P.409 P.411 P.418 P.422 P.425

Mechanical advantage

MA = length of effort/length of resistance arm

3 classes of levers