Specialist gears (AQA GCSE Design and Technology): Flashcards
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Practise the cards
13 cards from this deck
Angle at which bevel gears transmit motion
Angle at which bevel gears transmit motion
90 degrees
Key feature of bevel gears
Key feature of bevel gears
Conical shape
Two common applications of bevel gears
Two common applications of bevel gears
Hand drills and car differentials
Bevel gears with same number of teeth
Bevel gears with same number of teeth
Mitre gears
What mitre gears maintain while changing direction
What mitre gears maintain while changing direction
Same rotational speed
Number of teeth a worm typically has
Number of teeth a worm typically has
One tooth
Effect of one complete worm revolution
Effect of one complete worm revolution
Moves worm wheel forward by one tooth
Two applications of worm gear systems
Two applications of worm gear systems
Security gates and winch mechanisms
What worm gear systems prevent
What worm gear systems prevent
Load fallback
What worm systems do when input stops turning
What worm systems do when input stops turning
Lock in position
What rack and pinion mechanisms convert
What rack and pinion mechanisms convert
Rotary motion into linear motion (or vice versa)
Two applications of rack and pinion systems
Two applications of rack and pinion systems
Pillar drills and car steering systems
Formula: distance moved by rack
Formula: distance moved by rack
Teeth on pinion ÷ teeth per metre on rack