Technology term 3 notes for grade 8
1.Gears -Gears are wheels with evenly spaced teeth around its edge -The gear that is connected to the input axle of a machine is called the driver gear
- Driver gear-A gear causing the movement
-As driver gear meshes with another gear and the gears move together
- Mesh-To link or engage with another gear
-The gear being moved is called the driven gear
- Driven gear-The gear being moved
-The driven gear is connected to the output axle of a machine
2.Spur gears and Counter rotation
-spur gears are gears with teeth like spurs around its edge
- Counter rotation
-When two gears mesh, they rotate in opposite direction from each other -This is called counter rotation -Counter rotation-Two gears that mesh will rotate in opposite direction from each other