6.5 Flashcards
1100 Rivet
Non Structural Rivet
2117 or L86 Rivet
A Alloy Structure Rivet
Field Rivet
2018-T or L37
Higher Strength Aluminium Alloy Structure Rivet
Icebox
2024-T Rivet
Icebox Rivet
5056 Rivet
Magnesium Alloy Structure
What Heat Treatment do Rivets get
Solution Heat Treatment
2018-T time out of fridge
1 Hour
L37 time out fridge
2 Hours
2024-T time out of fridge
10 mins
How many times can Icebox Rivets be re heat treated
3 times
Group A Rivets
1100
3003
5052
6053
Group B rivets
2117
2017
2124
7075
Group A+ Group B + Moisture =
Dissimilar Metal Corrosion
What colour are Zinc Chromate Rivets
Yellow
What colour is Anodised Rivets
Grey Green or Purple
What colour are metal sprayed Rivets
Silver / Grey
Snap / Round Heat
Interior structures
Some tensile strength
Strengthens Contact area of sheet
Flat / Pan head
Interior structures with low clearance
Mushroom / Braizer Head
Thin sheets , Composites and Aft FL
Little tensile strength
Large head diam
Universal Head
Modified Mushroom Head
Greater tensile strength
Interior and Exterior
100 ° Countersink
Most Common
Used on exterior
120 °
Soft Materials
For aerodynamic sensitive areas
Brielles
Radiused Lead in
Used on Counterbored Holes
Improved Faith Resistance
Double Angle
82 ° and 30 °
Fluid Tight
2117 Marking
AD
Dimple
2017 Marking
D
Raised Dot
2024 Marking
DD
Double Dash
5056 Marking
B
Raised Cross
1100 Marking
A
Plain
7050 Marking
KE
Raised Circle
Copper Marking
C
Monel Marking
M
Titanium Marking
T
Mild Steel Marking
Nothing
American rivet sizing
1/32” = Diam
1/16” = SL
British Rivet Sizing
1/32” or mm x 10 = Diam
1/16 or mm = SL
Blind Rivets
Mandrel
Tubular Rivets
Hammering
Markings of Rivet are on Shank
Brilles and Slug
Snap and Round Head PN
An430
Ms20430
Flat Pan Head PN
AN441
Mushroom/ Brazier PN
AN456
Universal Head PN
An470
Ms20470
NAS1242
100 ° Countersink PN
AN426
MS20426
Nas1241
Name the British Rivets
Pop
Chobert
Avdel
Name the American Rivets
Self Plugging
Pull through
Self Plugging Mech Lock
Cherry Lock
Cherry Max
IMEX
Where are Pop Rivets used
Non Structural Components
Max material Thickness for Pop Rivets
0.62”
Diameters available in Pop Rivets
3/32” to 3/16”
Break Head Rivets
Leave Hollow Rivet
Break Stem Rivets
Leaves Plugged Rivet
Chobert Rivets
Tapered Bore
Reuseable Lubricanted Mandrel
Sealing Pins
Sealings for Chobert are _____ shorter than Rivet
1/16”
Chobert tool Type JB
3/32” to 3/16” Diam
Hand Op
Chobert tool Type 715
3/16”
Pneumatic , 5.5 bar
Avdel Rivet
Structural Repair
Break Stem Mandrel
Avdel Tool Type JA
One stroke
Avdel Tool Type H
Ratchet
Avdel Tool Type 734
Hydro Pneumatic
Up to 3/16”
70-100 PSI
What rivet is Self Plugging Rivets similar to
Avdel
What rivet is Pull through Rivets similar to
Chobert
What rivet are Self Plugging Mech Lock similar to
Avdel and Self Plugging
Cherry Lock Rivet
Locking Collar fits into Groves in Stem
Locking Collar cut flush
Cherry Max
Anvil forms Bearing Surface
In Cherry CS Rivets sheet must be _____ bigger than head thickness
0.010”
IMEX rivets similar to
Pop Rivet
IMEX is pressure tight until
34 Bar
Huck Blind Rivets similar to
Cherry Lock
Huck Blind Rivets
Collar locks onto groves in spindle leads it to fracture flush
Pin Rivets and Lock Bolts
Mating Collar Cold swaged into Groves to give a flush finish
HiShear Fasteners need access on
Both sides
Hi Shear Collars are
Made in 1 Length per Diam
Pre Lubricanted
Hi Shear pins Below 3/16” SL is in ______ increments
1/32”
Hi Shear pins Above 3/16” SL is in ______ increments
1/16”
HiShear Dowel Pins used on
Sloping Surfaces
Huck Bolts need access on
Both sides
Huck bolts are
Not threaded
Huck bolts Collar is
Cold swaged into groves on stud
Pin type Huck Bolts
Puller tool
Longer Pin
Stump Type Huck Bolts
Hammer
Shorter pin
Blind / Jo Bolts need access from
One side
Jo Bolts are
Pre Lubricanted
Jo Bolt 3/16” Shear At
6 LBF
Jo Bolt 1/4” Shear At
10 LBF
Jo Bolt 5/16” Shear At
20 LBF
On RivNuts, more Dashes on head mean
Higher Grip Strength
HiLok Bolts are _____ fit
Clearance and Interface fit
If removed HiLoks are replaced with
Oversized Fasteners
Available HiLOk Oversizes
1/16 1/32 and 1/64 over nominal size
HiLok Self Sealing Collars used for
Wet Areas
HiLok Self Alignment Collars used in
Tapering Surfaces
HiLite fasteners are
HiLok with reduced Shank for weight saving
Hi Tigue
HiLok with Radiused Transition Area
Cold Works area
Eddie Bolts
Have lobes on collar with deform in thread flutes
Rivets with 1/32” increments for Shank Length
Avdel
IMEX
HiShear Fasteners
