Studied by 4 peopleIs the pop rivet approved for aircraft use?
no
why is the pop rivet an issue for aircraft use?
Hollow shaft leads to low/inconsistent strength. Mandrel stem may or may not fall out
what is the aviation grade version of a pop rivet?
cherry max rivet
where can you use a cherry max rivet on an aircraft?
for applications where structural strength was not required.
is a cherry max rivet approved for structural use?
no.
are pop rivets grip specific?
yes
Which of these is not a valid method of installing countersunk rivets?
Countersink the upper and lower sheets, and drive the rivet.
When fastening a thin sheet to the top of a thick sheet, which of these should be used?
Dimple the upper sheet, and countersink the lower sheet. Then drive the rivet.
When fastening two thin sheets together, which of these should be used?
Dimple the upper and lower sheets, and drive the rivet.
When fastening a thick sheet over the top of a thin sheet, which of these techniques should be used?
Countersink the upper sheet, and drive the rivet.
When fastening two thick sheets together, which of these techniques should be used?
Countersink the upper sheet, and drive the rivet.
when replacing cherry max rivets can you replace it with the same size rivet?
yes, In most applications, they are approved to replace size for size.
cherry max rivets are also available in
half sized increments
Hi-Shear Fasteners
two-piece fastener system that uses heat treated steel pins to develop strength.
hi-shear fasteners are similar to rivets where
You need access to both sides
Hi-Lok, Hi-Tigue, and Hi-Lite are all
similar
lock bolts are used where
higher strength is needed
riv nuts are used for
non-structural thread attachment
issues with riv nuts are
not very strong, spin
Quarter Turn Fasteners are
Used to secure items that must be frequently removed and replaced (or opened and closed).
the grip length of a dzus fastener is
given in 100ths of an inch.
Tinnerman Nuts
Used to secure sheet metal screw threads in sheet aluminum
can a tinnerman nut be replaced if there’s wear?
yes
which type of screw should you never use with aircraft speed nuts?
pointy type A screws
anchor nuts (nutplates) are commonly installed with
AN426AD-3 rivets.
Which item does not belong in this group?
A silver cleco
What is closest to the ideal diameter of a #3 rivet shop head?
0.140
How do you remove a solid rivet?
Drill the head only. Snap the head off. Punch out the shank
How far should the shank of a rivet stick out past the material before you buck it?
1.5 times the diameter of the rivet
Which of these tools should not be used for the installation of a Cherrymax rivet?
a bucking bar
You didn’t practice drilling out 470 rivets enough, and you footballed a hole. What is the correct way to fix it?
Use a rivet one size larger than the rivet you are replacing in its place
Note
Flashcard