Screwing, Bolts, Nuts & Locking (Junior Cert Engineering): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Crest (thread term)
Crest (thread term)
Top surface of the thread ridge
Pitch (thread term)
Pitch (thread term)
Distance between corresponding points on adjacent threads
ISO Metric thread angle
ISO Metric thread angle
Buttress threads purpose
Buttress threads purpose
Handle thrust in one direction only
Square threads capability
Square threads capability
Handle thrust forces in both directions
Coarse vs fine: which stronger?
Coarse vs fine: which stronger?
Coarse threads are stronger overall
What are dies used for?
What are dies used for?
Cutting external threads on rods and pipes
Die stocks function
Die stocks function
Hold and rotate dies
Die nuts purpose
Die nuts purpose
Cleaning damaged or rusty threads
Grub screws function
Grub screws function
Prevent relative movement between parts
Self-tapping screws feature
Self-tapping screws feature
Create their own threads as driven in
Bolts vs studs: key difference
Bolts vs studs: key difference
Bolts have heads; studs are threaded rods without heads
Nylon insert lock nuts benefit
Nylon insert lock nuts benefit
Prevent loosening from vibration
Wing nuts characteristic
Wing nuts characteristic
Tightened and loosened by hand without tools
Split pins use
Split pins use
Work with castle/slotted nuts to prevent loosening