Mechanisms (Leaving Cert Engineering): Flashcards

Rotating components with teeth that mesh to transmit power & motion

Provide gear reduction in motorised equipment

Speed-torque trade-off: speed decreases, torque increases

Speed reduction, direction change, power transmission

Maths relationship between teeth on two meshing gears

Rotates slower with greater torque

Rotates faster with less torque

Most basic gear type with straight teeth (straight-cut gears)

Straight & parallel to axis of rotation

Must be mounted on parallel shafts

Simplicity, efficiency, ease of manufacture

More torque multiplication, greater speed reduction