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Man Poo > R - Snap Rings to Screws > Flashcards

R - Snap Rings to Screws Flashcards

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

A

SPRING PINS

25
Q

3 main variants of SPRING PINS

A
  • SLOTTED SPRING PINS
  • TOOTHED SPRING PINS
  • COILED SPRING PINS/SPIROL PINS
26
Q

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.

A

THROUGH HOLES (NOT BLIND)

27
Q

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)

A

CLEVIS PIN

28
Q

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

A

COTTER PIN/SPLIT PIN

29
Q

is the COTTER PIN removable?

A

Yes, it is removable but it is NOT REUSABLE

30
Q

how are COTTER PINS inserted?

A
  • insert into a through-hole until it protrudes through the other side
  • the protruding tines are physically separated and permanently bent
31
Q

how are COTTER PINS removed?

A

by reversing the process of inserting them

32
Q

alternatives to COTTER PINS that can be used with CLEVIS PINS and can be removed frequently

A
  • HITCH PIN/R-CLIP
  • LYNCH PIN
  • SNAP/SNAPPER PIN
  • CIRCLE COTTER
  • RUE RING PIN
33
Q

a type of pin that is PERMANENT and can provide clamping forces

34
Q

types of RIVETS that are all basically the same except for the specific head shape

A

SOLID RIVETS

35
Q

which RIVET head forms are most often used in general metal joining operations? (2)

A
  • BUTTON/ROUND
  • COUNTERSUNK FLAT
36
Q

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.

37
Q

RIVETS seated in a countersunk hole can be set with the head resting on a stout table or anvil

A

COUNTERSUNK FLAT rivets

38
Q

rivets that require a rivet set block that has an appropriately shaped cavity formed in it

A

BUTTON headed rivets

39
Q

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

A

RIVET HEADER

40
Q

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?

A

SQUEEZING TOOL

41
Q

large scale riveting requires the use of heavy duty _____ ____

A

RIVET GUNS

42
Q

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

43
Q

how does the shank become flattened when it’s the head that gets struck?

A

use a BUCKING BAR

44
Q

when would you use some form of a BLIND RIVET?

A

when one end of the rivet is completely inaccessible

45
Q

a 2-component blind rivet design consisting of a hollow split shank with a tapered bore running through it and a straight drive pin

A

DRIVE PIN RIVET

46
Q

simpler blind rivet design that spins as it is struck, effectively self-tapping its way through the hole

A

HAMMER DRIVE RIVET

47
Q

most popular style of blind rivet, looks like a drive pin rivet but is much longer and pulled out rather than being hammered in

48
Q

how is a POP RIVET inserted?

A
  • 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
Q

hand tool used to insert POP RIVETS

A

POP RIVETER

50
Q

generally weaker rivets (compared to a solid rivet) because of the thin-walled shank

A

POP RIVETS

51
Q

recommended to increase leverage if a heavy-duty riveter is not available

A

CHEATER BARS

52
Q

most BLIND RIVETERS are ___ fluid tight and should never be used to fabricate liquid storage tanks unless used with gusket/caulk

53
Q

basically a removable and reusable rivet since it has a head and a shank, placed in a hole, has the ability to clamp

A

THREADED FASTENER

54
Q

most common type of threaded fastener

A

MACHINE SCREW OR BOLT

55
Q

what is the difference between a BOLT and a MACHINE SCREW?

A
  • 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
Q

screw that doesn’t use a nut and goes through a threaded hole

A

SELF-TAPPING SCREW

57
Q

most well-known screwdrivers: (4)

A
  • SLOTTED
  • PHILLIPS
  • TORX
  • ALLEN
58
Q

specialized screwdriver

59
Q

proprietary screwdriver

A

PENTALOBULAR

Man Poo (31 decks)

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