Zusammenfassung der Ressource
Mechanics
- Levers
- Types
- 1st class
- Ex: Seesaw
- Mechanical advantage?
- 2nd class
- Ex: Wheelbarrow
- Mechanical advantage
- 3rd class
- Fishing rod
- No mechanical advantage
- Law of the lever:
F * Bf = R * Br
- Pulley and hoist
- Hoist
- F = R /2n
- Parts
- Fixed pulleys
- Movable puleys
- Mechanical advantage = 2 for
each movable pulley
- Pulley
- No mechanical advantage
- Pulley transmission
- Formula:
Dm * Nm =
Ds * Ns
- Transmission types
- Unitary transmission
- Speed reducer
- Speed multiplier
- Gears
- Formula:
Zm * Nm =
Zs * Ns
- Transmission types
- Unitary transmission
- Speed reducer
- Speed multiplier
- Parts
- Gear
- Cylindrical
- Conical
- Teeth
- Straight
- Helical
- Types
- Motor gear
- Idler gear
- Driven gear
- Chain transmission
- Parts
- Driving or motor gear or sprocket
- Driven gear or sprocket
- Chain
- Transmission type
- Speed reducer
- Unitary transmission
- Speed mutiplier
- Formula:
Zm * Nm =
Zs * Ns