Gears Flashcards
1
Q
Name the 4 types of gears
A
Spur
Bevel and Mitre
Worm and Wheel
Rack and Pinion
2
Q
Give a description of a spur gear
A
Speeds can be increased or decreased
Direction or rotation can be changed
3
Q
Give a description of a bevel and mitre gear
A
Different sizes of gears can change speed
Can have shafts at 90°
4
Q
Give a description of a worm and wheel gear
A
Transmit force and motion through 90°
Reduction in rotational speed
5
Q
Give a description of a rack and pinion gear
A
Change rotary motion to linear motion
6
Q
Where is a spur gear used?
A
Simple gearboxes
7
Q
When is a bevel and mitre gear used?
A
Hand drills
8
Q
When is a worm and wheel gear used?
A
Food mixers
9
Q
When is a rack and pinion gear used?
A
Pillar drills
Steering mechanisms in cars
