Pulleys and belts (AQA GCSE Design and Technology): Flashcards
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Practise the cards
14 cards from this deck
What motion is transferred by pulleys & belts?
What motion is transferred by pulleys & belts?
Rotary motion
Name for pulley receiving power from motor
Name for pulley receiving power from motor
Driver pulley wheel
Name for pulley receiving transferred motion
Name for pulley receiving transferred motion
Driven pulley wheel
What causes motion transfer in pulleys?
What causes motion transfer in pulleys?
Friction between belt and groove
Round belt special ability
Round belt special ability
Can be crossed to reverse rotation
V-belt advantage
V-belt advantage
Reduces slippage
Flat belt advantage
Flat belt advantage
Excellent grip at high speeds
Toothed belt main characteristic
Toothed belt main characteristic
Eliminates slippage entirely
Velocity ratio formula
Velocity ratio formula
Driven diameter ÷ Driver diameter
Output speed formula
Output speed formula
Input speed ÷ Velocity ratio
Effect of smaller driven pulley on speed
Effect of smaller driven pulley on speed
Increases output speed
Effect of larger driven pulley on speed
Effect of larger driven pulley on speed
Decreases output speed
Direction with straight belt
Direction with straight belt
Same direction
Method to reverse driven pulley rotation
Method to reverse driven pulley rotation
Cross the belt