Study Guide R: Snap Rings (Screws)

Question 1

What is the word for attaching components to gether in manufacturing?

Answer 1

Joining/Fabricaiton

Question 2

What two basic categories does Joining fall into?

Answer 2

Permanent or Removable

Question 3

What does a RETAINING (SNAP, CIRCLIP) RING do?

Answer 3

Its an important removable joining method used on shafts to prevent components, such as gears or pulleys, from sliding axially

Question 4

What is the most common type of RETAINING RING?

Answer 4

C-Ring

Question 5

How are External C-Rings used?

Answer 5

They are blanked from sheet metal and are meant to be radially flexed and to be put into a groove (cut by a lather) on the shaft

Question 6

What are Internal C-Rings used for?

Answer 6

Used in a bore of a hole, most often as a “Bearing Retainer”

Question 7

What is the specialized tool used in conjunction with retaining rings?

Answer 7

Retaining Ring Pliers (or Snap Ring Pliers)

Question 8

What is an EXTERNAL ONLY Retaining Ring that is used for low-load situations?

Answer 8

E-Rings

Question 9

What are some External fasteners that act like Snap Rings but without the need for a groove?

Answer 9

TOOTHED RETAINING RINGS, SELF-LOCKING RINGS, STARLOCK RETAINING WASHERS, and PUSH-ON RETAINING RINGS

Question 10

What are some Internal fasteners that act like Bearing Retainers?

Answer 10

INTERNAL TOOTHED WASHERS

Question 11

What is required to take off these different types of Retainers?

Answer 11

Brute Force and the result is in gouged surfe=aces and distorted rings

Question 12

What makes torque transmission?

Answer 12

SHAFT KEY

Question 13

What is the 3-part system that makes up the Shaft Key?

Answer 13

Slot in the shaft (cut by a Keyway Cutter), a corresponding slot in the hub (cut by a broach), and the key itself

Question 14

What is the standard configuration for a Key?

Answer 14

The SQUARE KEY

Question 15

What Key is used when the broached Keyway hub is reduced due to wall thickness?

Answer 15

Rectangular (or Flat) Keys

Question 16

What is the Key that is often tapered like a wedge?

Answer 16

Gib-Head Keys

Question 17

What Key has rounded edges and is designed for use in a localized keyseat slot cut with an End Mill?

Answer 17

The Pratt & Whitney Key

Question 18

What is the Key that is D-shaped and self-aligning when used on taper shafts (generators)?

Answer 18

The Woodruff Key

Question 19

What is this other type of removable fastener and can be used as a CIRCULAR (or ROUND) KEYS?

Answer 19

PINS

Question 20

What type of pin is generally straight with small chamfers at their ends to facilitate starting in the hole?

Answer 20

Dowel Pin

Question 21

What is one type of pin used for a secure fit that acts like a wedge when pushed into a hole of the correct size?

Answer 21

Taper Pin

Question 22

What is one type of pin used for a secure fit that relies on some form of deformation to create additional friction?

Answer 22

Grooved Pin

Question 23

What is a type of pin that is formed from sheet metal?

Answer 23

Spring Pins

Question 24

What are the 3 main variants of Sping Spins?

Answer 24

Slotted Spring Pins, Toothed Spring Pins, and Coiled Spring Pins

Question 25

What type of hole should pins be inserted into?

Answer 25

THROUGH HOLES (NOT BLIND)

Question 26

What is a pin system used for several "Rigging" applications?

Answer 26

Celvis Pin & Cotter Pin

Question 27

Describe a Clevis Pin

Answer 27

A straight Dowel Pin with a head and hole(s) on it

Question 28

Describe what a Cotter Pin (or Split Pin)

Answer 28

Common and popular pins that consist of D-wire-stock turned back on itself with an eyelet formed at one end

Question 29

Cotter Pins are removable but are the reusable?

Answer 29

No, they are not meant to be reused and are ONE USE ONLY

Question 30

What are the other 5 pins that can be used with a Celvis Pin?

Answer 30

Hitch Clip (or R Clip), Lynch Pin, Snap (or Snapper) Pin, Circle Cotter , and Rue Ring Pin

Question 31

What is a fundamental type of pin that is PERMANENT and provides clamping forces?

Answer 31

Rivets

Question 32

There are many types of Rivets, but what are the most common types used in general metal joining operations?

Answer 32

Button (or Round) and Countersunk Flat

Question 33

What is the simplest way to set a rivet?

Answer 33

Strike it with a Ball Peen Hammer but if its a button rivet it need to be hit on a Rivet Set

Question 34

What can be used to make the Rivet being hit done more cleanly?

Answer 34

Using a Rivet Header

Question 35

When the rivet is not too far from the edge of the sheet, what type of tool can you use?

Answer 35

Squeeze Tool, which can be hand-crank operated, powered by electricity of pneumatics

Question 36

What tools are used for large-scale Riveting, such as bridges or aircraft fuselages?

Answer 36

Rivet Guns and Bucking Bars