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Man Poo > R - Snap Rings to Screws > Flashcards

R - Snap Rings to Screws Flashcards

(59 cards)

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1
Q

Name for attaching components together in manufacturing

A

JOINING/FABRICATION

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2
Q

The 2 categories of JOINING METHODS:

A
  • PERMANENT
  • REMOVABLE
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3
Q

Does REMOVABLE always mean REUSABLE?

A

no

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4
Q

A REMOVABLE JOINING method used on shafts to prevent components, such as gears or pulleys, from sliding axially

A

RETAINING RING/SNAP RING (CIRCLIP outside the US)

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5
Q

type of fastener that is blanked from thin sheet metal in a near circular shape

A

C-RING

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6
Q

C-RING that is intended to be installed into a groove cut into the outside surface of a shaft

A

EXTERNAL C-RING

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7
Q

C-RING that is used inside the bore of a hole, most often as a “bearing retainer”.

A

INTERNAL C-RING

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8
Q

What is the difference between the internal and external C-RINGS?

A

internal C-RING has a wider gap than the external version

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9
Q

A specialized tool with 2 small pins which engage with the pierced holes in the ring lugs, intended to be used with retaining rings.

A

RETAINING RING PLIERS/SNAP RING PLIERS

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10
Q

An “external only” version of retaining rings, still need a groove but are installed radially by being pushed into the groove from the side.

A

E-RINGS

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11
Q

Fasteners that perform the same role as SNAP RINGS but without the need for grooves

A
  • TOOTHED RETAINING RINGS
  • SELF LOCKING RINGS
  • STARLOCK RETAINGING WASHERS
  • PUSH-ON RETAINING RINGS
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12
Q

What is the primary role of a SHAFT KEY?

A

Torque

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13
Q

A 3-part system, requiring a slot in the shaft, a corresponding slot in the hub, and the KEY itself.

A

SHAFT KEY

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14
Q

Name the different KEY configurations. (5)

A
  • square
  • rectangular/flat
  • gib-head
  • pratt & whitney
  • woodruff
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15
Q

the standard KEY configuration, normally seated in a keyseat slot which runs the full length of a shaft.

A

SQUARE KEY

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16
Q

key configuration used where the broached keyway in the hub is reduced in depth because of limited wall thickness

A

RECTANGULAR/FLAT KEYS

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17
Q

key configuration often tapered like a wedge, have a raised blocky portion at one end which remains exposed to make the key easy to pull out

A

GIB-HEAD KEYS

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18
Q

key configuration that has rounded ends and is designed for use in a localized keyseat slot that has been cut with an end mill

A

PRATT & WHITNEY KEYS

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19
Q

key configuration that is used in a D-shaped keyseat created by plunge cutting with a keyway cutter

A

WOODRUFF KEYS

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20
Q

another type of removable fastener and can be used as CIRCULAR/ROUND KEYS when a broach is not available

A

PINS

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21
Q

pins that are generally straight with a small chamfer at their ends to facilitate starting in the hole

A

DOWEL PINS

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22
Q

pins that act like a wedge when pushed into a hole of the correct size, can only be inserted one way and come out the same way they were inserted

A

TAPERED PINS

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23
Q

pins that rely on some form of deformation to create additional friction, generally damage the hole, should not be removed or reinserted frequently

A

GROOVED PINS

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24
Q

pins that are weaker in shear, but provide enhanced grip through elastic deformation, usually constructed from rolled-up strips of heat-treated steel or stainless steel

25
3 main variants of SPRING PINS
- SLOTTED SPRING PINS - TOOTHED SPRING PINS - COILED SPRING PINS/SPIROL PINS
26
all pin types should be seated in what kind of holes, so as to facilitate easy removal by pushing them back out or driving the through.
THROUGH HOLES (NOT BLIND)
27
a straight dowel pin with a head at one end, most often serves as a pivot, is a loose fit when inserted into the hole, at the tail end there is a radial through-hole(s)
CLEVIS PIN
28
used in conjunction with the hole(s) in a CLEVIS PIN, D-wire-stock turned back on itself with an eyelet formed at one end, ONE-USE-ONLY
COTTER PIN/SPLIT PIN
29
is the COTTER PIN removable?
Yes, it is removable but it is NOT REUSABLE
30
how are COTTER PINS inserted?
- insert into a through-hole until it protrudes through the other side - the protruding tines are physically separated and permanently bent
31
how are COTTER PINS removed?
by reversing the process of inserting them
32
alternatives to COTTER PINS that can be used with CLEVIS PINS and can be removed frequently
- HITCH PIN/R-CLIP - LYNCH PIN - SNAP/SNAPPER PIN - CIRCLE COTTER - RUE RING PIN
33
a type of pin that is PERMANENT and can provide clamping forces
RIVETS
34
types of RIVETS that are all basically the same except for the specific head shape
SOLID RIVETS
35
which RIVET head forms are most often used in general metal joining operations? (2)
- BUTTON/ROUND - COUNTERSUNK FLAT
36
once the RIVET has been placed in a hole passing through 2 parallel plates, with the proper free length of shank protruding, the next stage is to ___ the RIVET.
SET
37
RIVETS seated in a countersunk hole can be set with the head resting on a stout table or anvil
COUNTERSUNK FLAT rivets
38
rivets that require a rivet set block that has an appropriately shaped cavity formed in it
BUTTON headed rivets
39
a type of punch is held between the shank and hammer, has a cavity on the end similar to that in the rivet set block, and will use the hammer blows to form the shank into a corresponding shape
RIVET HEADER
40
under circumstances where a RIVET is not too far from the edge of a sheet it is possible to perform the setting operation using what tool?
SQUEEZING TOOL
41
large scale riveting requires the use of heavy duty _____ ____
RIVET GUNS
42
uses air pressure and a sliding valve inside the gun to reciprocate a piston, delivers its blows to the head of the rivet rather than the shank
RIVET GUN
43
how does the shank become flattened when it's the head that gets struck?
use a BUCKING BAR
44
when would you use some form of a BLIND RIVET?
when one end of the rivet is completely inaccessible
45
a 2-component blind rivet design consisting of a hollow split shank with a tapered bore running through it and a straight drive pin
DRIVE PIN RIVET
46
simpler blind rivet design that spins as it is struck, effectively self-tapping its way through the hole
HAMMER DRIVE RIVET
47
most popular style of blind rivet, looks like a drive pin rivet but is much longer and pulled out rather than being hammered in
POP RIVET
48
how is a POP RIVET inserted?
- pushed into the hole in the sheets - POP RIVETER is slipped over the mandrel - the levers squeeze together - the bulbous section breaks off - the broken-off mandrel is removed from the riveter and discarded
49
hand tool used to insert POP RIVETS
POP RIVETER
50
generally weaker rivets (compared to a solid rivet) because of the thin-walled shank
POP RIVETS
51
recommended to increase leverage if a heavy-duty riveter is not available
CHEATER BARS
52
most BLIND RIVETERS are ___ fluid tight and should never be used to fabricate liquid storage tanks unless used with gusket/caulk
NOT
53
basically a removable and reusable rivet since it has a head and a shank, placed in a hole, has the ability to clamp
THREADED FASTENER
54
most common type of threaded fastener
MACHINE SCREW OR BOLT
55
what is the difference between a BOLT and a MACHINE SCREW?
- BOLTS are used in PLAIN HOLES and secured with a NUT, tend to be larger and provide structural clamping forces - MACHINE SCREWS are threaded into TAPPED HOLES, usually smaller, tightened via torqueing the head, and only provide light clamping forces
56
screw that doesn't use a nut and goes through a threaded hole
SELF-TAPPING SCREW
57
most well-known screwdrivers: (4)
- SLOTTED - PHILLIPS - TORX - ALLEN
58
specialized screwdriver
ONE-WAY
59
proprietary screwdriver
PENTALOBULAR

Man Poo (31 decks)

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