Transmissions Flashcards
How do you store a chain?
Oiled and coiled in grease proof paper
Epicyclic gears are used on
Shafts rotating on the same axis
What is the purpose of the guard, where a control chain goes around a sprocket?
Stops the chain coming off if it goes slack
Worm drives operate in shafts which are
90 degrees to each other and in a differing plane
How is a non-reversible chain different from a normal chain?
Every second outer plate is extended in one direction
What type of gear would be used on a propeller reduction gearbox?
Epicyclic
Where would you find the inspection interval for chains?
Maintenance schedule
A worm drive creates
A drive in 2 planes but transmits 1 direction only
The teeth of a gear would normally be
Case hardened
Non-reversible chains are
Only be fitted in one direction
Drive planes on an epicyclic gear are
Around a common axis of the plane
Compared with the spur gears, spiral gears have
Less stress concentration on gears
The clutch which can overrun the driving member, is known as
Freewheel clutches
A gear system, or gear train, is made up of gears that are
Driven, driver and idler
How do you check a chain for elongation?
Apply a load, measure chain and use 2% max formula to check extension