blueprint reading for the machine trades sixth edition unit 1 dictionary of terms n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Blueprint Reading for the Machine Trades, Sixth Edition Unit 1:Dictionary of Terms PowerPoint Presentation
Download Presentation
Blueprint Reading for the Machine Trades, Sixth Edition Unit 1:Dictionary of Terms

Loading in 2 Seconds...

play fullscreen
1 / 277

Blueprint Reading for the Machine Trades, Sixth Edition Unit 1:Dictionary of Terms - PowerPoint PPT Presentation


  • 328 Views
  • Uploaded on

Blueprint Reading for the Machine Trades, Sixth Edition Unit 1:Dictionary of Terms. Russ Schultz and Larry Smith PowerPoint presentation created by LaVonne Vichlach. Dictionary of Terms. Abrasive A material used to cut other materials softer than itself. Dictionary of Terms. Allowance

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Blueprint Reading for the Machine Trades, Sixth Edition Unit 1:Dictionary of Terms' - allen-wheeler


Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
blueprint reading for the machine trades sixth edition unit 1 dictionary of terms

Blueprint Reading for the Machine Trades, Sixth Edition Unit 1:Dictionary of Terms

Russ Schultz and Larry Smith

PowerPoint presentation created by LaVonne Vichlach

dictionary of terms
Dictionary of Terms

Abrasive

A material used to cut other materials softer than itself.

dictionary of terms1
Dictionary of Terms

Allowance

  • Minimum clearance
  • Or maximum interference
  • Occurs between two mating parts-e.g.. a shaft and a hole
dictionary of terms2
Dictionary of Terms

Alloy

  • Mixture of two or more elements
  • One is metallic
  • Melt together to form new material
dictionary of terms3
Dictionary of Terms

Angular Dimension

  • Dimension measured using
    • Degrees
    • Minutes
    • Seconds
dictionary of terms4
Dictionary of Terms

Anneal

  • Heat treat process
  • Cool heated material slowly
  • Removes stresses
  • Reduces hardness
dictionary of terms5
Dictionary of Terms

Arbor

  • Shaft that cutting tool is mounted on
  • Spindle that holds a workpiece
dictionary of terms6
Dictionary of Terms

Assembly Drawing

  • Drawing that shows relationship of components that fit together
dictionary of terms7
Dictionary of Terms

Auxiliary View

  • Orthographic view projected angularly
  • Shows features appearing on inclined surfaces
  • Shows features appearing on oblique surfaces
dictionary of terms8
Dictionary of Terms

Axis

  • Central line about which parts are arranged
  • Elements may or may not revolve around it
dictionary of terms9
Dictionary of Terms

Baseline dimensioning

  • System of dimensioning used to locate features of a part-e.g. holes
  • Uses a common set of datums
dictionary of terms10
Dictionary of Terms

Basic dimension

  • Exact value of a feature-no tolerance is used
  • Describes the following:
    • Size
    • Location
dictionary of terms11
Dictionary of Terms

Basic size

  • Exact theoretical size
  • Limits of size are derived from them by
    • Application of allowances
    • Application of tolerances
dictionary of terms12
Dictionary of Terms

Bevel

  • Flat, slanted surface between two other surfaces
  • Surfaces are at right angles to one another
dictionary of terms13
Dictionary of Terms

Bilateral

  • “Bi” means two
  • Indicates that two sides are used
  • E.g.---bilateral tolerances
dictionary of terms14
Dictionary of Terms

Blind hole

  • Hole that does not go through all of the material
  • Common in thick parts
dictionary of terms15
Dictionary of Terms

Bolt circle

  • Circular centerline
  • Two or more hole centers are located on it
dictionary of terms16
Dictionary of Terms

Bore

  • Process to enlarge a hole to an accurate size
  • Held to close tolerances
  • Usually specified with limit dimensions
dictionary of terms17
Dictionary of Terms

Boss

  • Raised cylindrical projection-always circular
  • Provides extra metal around a hole in casting or forging
  • Similar to a pad-pad may be any other shape-function is same-provide more material
dictionary of terms18
Dictionary of Terms

Broach

  • Process to produce desired shape in cylindrical hole
    • Keyway
    • Hex shape
dictionary of terms19
Dictionary of Terms

Broach

  • Broaching tool
    • Series of teeth
    • Gradually increasing in size
    • Cutting is done as tool is pushed or pulled through hole
dictionary of terms20
Dictionary of Terms

Burnish

  • Finish or polish metal
  • Roll or slide a tool over the surface under pressure
dictionary of terms21
Dictionary of Terms

Burr

  • Jagged edge of metal produced by working the metal
  • Common note of blueprints is to “remove all burrs”
dictionary of terms22
Dictionary of Terms

Bushing

  • Replaceable insert
  • Provide metal with better wearing quality
dictionary of terms23
Dictionary of Terms

CAD drawing

  • Drawing created by computer-aided drafting methods
  • Electronically stored, revised and retrieved
dictionary of terms24
Dictionary of Terms

Cam

  • Mechanical device used to change rotary motion to some other motion
  • Reciprocating or sliding
dictionary of terms25
Dictionary of Terms

Carburize (CARB.)

  • Heat low-carbon steel to temperature below its melting point
  • Heated in carbonaceous solids, liquids, or gases to raise level of carbon on outside surfaces
  • Cooled slowly
dictionary of terms26
Dictionary of Terms

Case hardening

  • Hardening of ferrous alloy
  • Surface layer is harder than the interior core
dictionary of terms27
Dictionary of Terms

Casting

  • Metal object-e.g.-cast iron, cast aluminum
  • Pour molten metal into a mold
dictionary of terms28
Dictionary of Terms

Chain dimensioning

  • Successive dimensions extend from one feature to another
  • Each dimension does not have to originate from a datum
  • Tolerances accumulate with a chain dimension
dictionary of terms29
Dictionary of Terms

Chamfer

  • Corner removed from end of cylindrical surface
  • At an angle to face
  • Used to facilitate assembly
dictionary of terms30
Dictionary of Terms

Clearance hole

  • Hole slightly larger than bolt or fastener
  • Bolt or fastener passes through it freely
  • Permits easy assembly
dictionary of terms31
Dictionary of Terms

Coaxiality

  • Exists when two or more cylindrical features have a common axis
  • Two diameters on a shaft
  • Bore in a round part
dictionary of terms32
Dictionary of Terms

Collar

  • Projecting ring around a shaft
  • Can be used to locate components on an arbor
dictionary of terms33
Dictionary of Terms

Concentricity

  • Condition where median points of a feature’s diametrically opposed elements are located within a cylindrical zone
  • Cylindrical zone is equally centered about a datum axis
dictionary of terms34
Dictionary of Terms

Core

  • Part of a mold
  • Shapes the interior of a casting
  • Sand is major component
dictionary of terms35
Dictionary of Terms

Counterbore

  • Process to enlarge a hole cylindrically at the end
  • Drawing specification includes:
    • Diameter
    • Depth of enlarged section
dictionary of terms36
Dictionary of Terms

Countersink

  • Process to enlarge a hole conically at end
  • Accept a flathead fastener
  • Drawing specifications will include its diameter and included angle
dictionary of terms37
Dictionary of Terms

Datum

  • Location of other features is established using them
  • A datum can be:
    • A point
    • A line
    • A surface
    • A plane
dictionary of terms38
Dictionary of Terms

Degree

  • Unit of angular measurement
  • 360 degrees in a full circle
dictionary of terms39
Dictionary of Terms

Detail drawing

  • Drawing of a single object completely dimensioned
  • All information necessary to produce part is on print
dictionary of terms40
Dictionary of Terms

Die (multiple definitions)

  • Tool used to cut external threads
  • Tool used to:
    • Shape metal
    • Mold metal
    • Stamp metal
    • Cut metal
dictionary of terms41
Dictionary of Terms

Die castings

  • Metal object produced by injecting material into metal dies
  • Material injected into mold under pressure
dictionary of terms42
Dictionary of Terms

Draft

  • Angle provide on pattern or mold
  • Enables easy removal of finished cast or molded part from tooling
dictionary of terms43
Dictionary of Terms

Eccentric

  • Term means off center
  • Eccentric diameters do not share a common axis
dictionary of terms44
Dictionary of Terms

Extrusion

  • Part produced can be a metal object
  • Process forces hot metal through dies of desired shape
dictionary of terms45
Dictionary of Terms

Face

  • Lathe term-machine flat surface perpendicular to the axis of part
  • E.g.-the end of a shaft
dictionary of terms46
Dictionary of Terms

Fastener

  • Connector used to secure two or more parts together
  • Fastener examples:
    • Bolts
    • Nuts
    • Screws
    • Rivets
dictionary of terms47
Dictionary of Terms

Ferrous

  • Metals containing iron as their base
  • E.g.—steel, cast iron
dictionary of terms48
Dictionary of Terms

Fillet

  • Concave surface (interior radius)
  • At intersection of two surfaces of an object
dictionary of terms49
Dictionary of Terms

Fin

  • Thin projecting edge on cast or molded part
  • Common in castings and produced where mold halves come together
dictionary of terms50
Dictionary of Terms

Finish marks

  • Symbols appearing on edge view of surfaces to be machined
  • Usually found on drawings of castings and forgings
dictionary of terms51
Dictionary of Terms

Fixture

  • Device designed to position and hold a part in a machine tool
  • Does not guide cutting tool
  • References part to tool
dictionary of terms52
Dictionary of Terms

Flame hardening

  • Process of hardening steel
  • Can use Oxyacetylene torch and quench material in quenching medium
dictionary of terms53
Dictionary of Terms

Flange

  • Projecting rim or collar on an object
  • May include mounting holes to secure it in place
dictionary of terms54
Dictionary of Terms

Forge

  • Force hot metal into a desired shape
  • Process includes hammering or squeezing
dictionary of terms55
Dictionary of Terms

Gauge

  • The thickness of sheet metal or the diameter of wire
  • Designated by number rather than a dimension
dictionary of terms56
Dictionary of Terms

Geometric tolerancing

  • Tolerances on drawings
  • Emphasis on:
    • Actual function or relationship of part features
    • Interchangeability is critical
dictionary of terms57
Dictionary of Terms

Gusset

  • Angular piece of metal
  • Fastened in angle of metal frame to strengthen or add stiffness
dictionary of terms58
Dictionary of Terms

Hardness test

  • Measures degree of hardness of metals
  • Uses numerical values for hardness
dictionary of terms59
Dictionary of Terms

Heat treatment

  • Application of heat to metals
  • Produces a variety of desired properties depending on type of heat treat
dictionary of terms60
Dictionary of Terms

Horizontal

  • Parallel to the horizon
  • Machine tool can be describe by this term-e.g.-horizontal mill
dictionary of terms61
Dictionary of Terms

Hub

  • Central part of a wheel
  • Part into which spokes are inserted
dictionary of terms62
Dictionary of Terms

Inclined surface

  • Flat surface slanting in one direction
  • Appears as an edge in one principal view
  • Appears distorted in others
dictionary of terms63
Dictionary of Terms

Included angle

  • Angle formed between one side and another
  • Always less than 180 °
dictionary of terms64
Dictionary of Terms

Isometric drawing

  • Three-dimensional pictorial drawing
  • Horizontal surfaces drawn on 30° axes from horizontal
dictionary of terms65
Dictionary of Terms

Jig

  • Device used to hold a part to be machined
  • Positions and guides cutting tool
dictionary of terms66
Dictionary of Terms

Key

  • Metal bar or wedge
  • Secures gears or pulleys to shaft
  • Prevents rotary motion between two pieces
dictionary of terms67
Dictionary of Terms

Keyseat

  • An axially located groove in a shaft
  • Positions the key
dictionary of terms68
Dictionary of Terms

Keyway

  • An axially located groove in a hub
  • Positions the key
dictionary of terms69
Dictionary of Terms

Lap

  • Produce finished surface
  • Uses soft metal impregnated with a fine abrasive powder
dictionary of terms70
Dictionary of Terms

Least material condition

  • Minimum amount of material is present
  • Maximum hole size
  • Smallest shaft size
  • LMC
dictionary of terms71
Dictionary of Terms

Limits

  • Maximum and minimum permissible dimensions
  • Arrive at by applying tolerances to basic dimensions
dictionary of terms72
Dictionary of Terms

Linear dimension

  • A dimension measured in a straight line
  • Most common of dimensions on part prints
dictionary of terms73
Dictionary of Terms

Maximum material condition

  • Maximum amount of material is present
  • Smallest hole diameter
  • Largest shaft size
  • MMC
dictionary of terms74
Dictionary of Terms

Neck

  • External groove in a cylindrical piece
  • Change in diameter
  • Usually generated where another part fits against a shoulder
dictionary of terms75
Dictionary of Terms

Nominal size

  • Term used for purposes of general identification
  • E.g.—3/4-in. plate or 1-in. pipe
dictionary of terms76
Dictionary of Terms

Nonferrous

  • Metals that do no contain iron
  • E.g.-
    • Brass
    • Bronze
    • aluminum
dictionary of terms77
Dictionary of Terms

Normalizing

  • Process of heating steel
  • Cool in still air to room temperature
  • Restore uniform grain structure and relieves internal stresses
dictionary of terms78
Dictionary of Terms

Oblique surface

  • Flat surface slanting in two directions
  • Will appear distorted in all principal views
dictionary of terms79
Dictionary of Terms

Orthographic projection

  • Process of projecting essential views of three-dimensional object onto flat plane
  • Used to generate machinist’s blueprints
dictionary of terms80
Dictionary of Terms

Pad

  • Raised projection on a casting
  • Provides extra metal around series of holes or a slotted hole
dictionary of terms81
Dictionary of Terms

Parallel

  • Extending in the same direction-e.g.-two lines
  • Equidistant at any point
  • Lines do not meet
dictionary of terms82
Dictionary of Terms

Pattern

  • Model made of wood, metal, or other material
  • Used to form a cavity in sand for pouring castings
dictionary of terms83
Dictionary of Terms

Perpendicular

  • Being at a right angle to a given line or plane
  • Or 90° to a given line or plane
dictionary of terms84
Dictionary of Terms

Pickle

  • Process to remove stains or oxide from parts
  • Parts immersed in an acid solution
dictionary of terms85
Dictionary of Terms

Pinion

  • In a gear assembly
  • The smaller of the two mating gears
dictionary of terms86
Dictionary of Terms

Pitch

  • Distance from a point on a thread to a corresponding point on next adjacent thread
  • Measured parallel to the axis to the thread
dictionary of terms87
Dictionary of Terms

Profile view

  • View that most clearly illustrates shape of a feature is considered profile view
  • With hole-it is view which shows it is round
dictionary of terms88
Dictionary of Terms

Quenching

  • Cool metal rapidly
  • Immerse in water or oil
dictionary of terms89
Dictionary of Terms

Radius

  • Distance from center of circle or an arc to its circumference
  • Equal to hone half of a diameter
  • Plural of radius is radii
dictionary of terms90
Dictionary of Terms

Ream

  • Machine operation to enlarge a hole slightly
  • Use rotating fluted tool
  • Provides greater accuracy and better finish
dictionary of terms91
Dictionary of Terms

Reciprocation

  • A straight-line, back and forth motion
  • Move in alternate directions
dictionary of terms92
Dictionary of Terms

Reference dimension

  • Used only for information purposes
  • Does not receive standard print tolerances
  • Should not be used for production or inspection
dictionary of terms93
Dictionary of Terms

Regardless of feature size

  • Condition where tolerance of position must be met irrespective of where the feature lies within size tolerance
  • RFS-is understood and never seen on a part print
dictionary of terms94
Dictionary of Terms

Relief

  • Amount one plane surface sits below another plane
  • Usually provides clearance
dictionary of terms95
Dictionary of Terms

Rib

  • A relatively thin flat member
  • Acts as a brace or support
dictionary of terms96
Dictionary of Terms

Round

  • A convex surface (exterior radius)
  • At the intersection of two surfaces of a casting or forging
dictionary of terms97
Dictionary of Terms

Scale

  • Refers to relative size of drawing and size of part
  • First number represents size of drawing
  • Second number represents size of part
  • Dimensions always represent size of part-not the print
dictionary of terms98
Dictionary of Terms

Section

  • Interior view of an object
  • Drawn to expose features not otherwise visible
dictionary of terms99
Dictionary of Terms

Serrated

  • Surface or edge having notches or sharp teeth
  • Aids in cutting
dictionary of terms100
Dictionary of Terms

Shim

  • Thin piece of metal or other material
  • Placed between two marts to adjust the fit, level a part, etc.
  • Plastic shims are also used
dictionary of terms101
Dictionary of Terms

Shoulder

  • Plane surface on a shaft
  • Normal to the axis
  • Formed by a different diameter
dictionary of terms102
Dictionary of Terms

Spline

  • A raised area on a shaft (external) or hub (internal) parallel to the axis
  • Designed to fit into a recessed area of a mating part
dictionary of terms103
Dictionary of Terms

Spotface

  • A process used to machine a round diameter on a rough surface
  • Found in castings around a hole
  • Provides good seating surface to nut or for head of bolt
dictionary of terms104
Dictionary of Terms

Springs

  • Helical
  • Flat
dictionary of terms105
Dictionary of Terms

Helical springs

  • Compression-supply force when compressed-either in hole or around rod
  • Extension-Supplies force when extended-pulled from end to end-has hooks on each end
  • Torsion-Designed to resist twisting or rotary motion-hooks or projections for connections
dictionary of terms106
Dictionary of Terms

Stud

  • Round piece of metal
  • Threaded on both ends
dictionary of terms107
Dictionary of Terms

Surface roughness

  • Refers to finely spaced irregularities produced in fabricating a part
  • Height of irregularities is rated in microinches or micrometers
dictionary of terms108
Dictionary of Terms

Symmetrical

  • Same on each side
  • Equal halves
  • Centerline usually indicates symmetry
dictionary of terms109
Dictionary of Terms

Tabular dimensioning

  • Type of dimensioning where letters are substituted for dimensions
  • Dimensions are listed in a table on a drawing
  • Permits more than one part to appear on the same drawing
dictionary of terms110
Dictionary of Terms

Tangent

  • Line drawn to the surface of an arc or circle
  • Contacts the arc or circle at only one point
dictionary of terms111
Dictionary of Terms

Tap

  • A tool for cutting threads in a hole
  • Hole is usually drilled to a particular size for threading operation
dictionary of terms112
Dictionary of Terms

Taper

  • Conical shape that permits shaft or hole to become gradually smaller at one end.
  • Common application is tapered shank tools for machining centers
dictionary of terms113
Dictionary of Terms

Temper

  • Change the physical characteristics of hardened steel
  • Reheat to intermediate temperature range to toughen steel
  • Also has softening effect
dictionary of terms114
Dictionary of Terms

Template

  • Thin sheet used as a guide
  • Contains the form and shape of piece to be made
dictionary of terms115
Dictionary of Terms

Tolerance

  • Permissible variation from a given dimension
  • Unilateral, bilateral
dictionary of terms116
Dictionary of Terms

Triangle

  • Three sides figure
  • 180° in a triangle
dictionary of terms117
Dictionary of Terms

Typical

  • Term used with drawing to indicate that all similar undimensioned features are same
  • Have same dimensions as the feature marked TYP (or typical)
dictionary of terms118
Dictionary of Terms

Undercut

  • Groove cut on inside of another cut
  • Hole is an example
dictionary of terms119
Dictionary of Terms

Unilateral

  • Having only one
  • Having only one side
  • Tolerances can be unilateral
dictionary of terms120
Dictionary of Terms

Upset

  • To strike a piece of metal until it becomes greater in its cross section
  • Hammer metal into different shapes
dictionary of terms121
Dictionary of Terms

Vertical

  • Perpendicular to the horizon
  • 90° from the horizontal plane
dictionary of terms122
Dictionary of Terms

Woodruff key

  • Flat key, semicircular in shape
  • Two basic dimensions coded into the key number
dictionary of terms123
Dictionary of Terms

Woodruff key

  • Last two digits indicate diameter in 1/8ths of an inch
  • Preceding two digits designate width in 1/32nds of an inch
terminology quiz 1
Terminology Quiz 1
  • A machining operation that produces a round, flat spot around a hole. Abbreviated SF

Spotface

terminology quiz 11
Terminology Quiz 1
  • A machining operation that uses a toothed cutting tool to produce shapes inside of a hole, such as a keyway.

Broach

terminology quiz 12
Terminology Quiz 1
  • The plural of radius.

Radii

terminology quiz 13
Terminology Quiz 1
  • The term that mean two sides are involved.

Bilateral

terminology quiz 14
Terminology Quiz 1
  • A tool used for cutting internal threads in a hole.

Tap

terminology quiz 15
Terminology Quiz 1
  • Two lines equidistant from each other, extending in the same direction.

Parallel

terminology quiz 16
Terminology Quiz 1
  • The term that describes two lines or planes that are at right angles to one another.

Perpendicular

terminology quiz 17
Terminology Quiz 1
  • A line drawn to an arc that contacts the arc at one point only, without crossing.

Tangent

terminology quiz 18
Terminology Quiz 1
  • The thickness of steel metal by a number rather than a dimension.

Gauge

terminology quiz 19
Terminology Quiz 1
  • A shaft or spindle for holding the cutting tool or workpiece.

Arbor

terminology quiz 110
Terminology Quiz 1
  • A thin piece of metal inserted between two parts to adjust the fit.

Shim

terminology quiz 111
Terminology Quiz 1
  • The smaller of two mating gears.

Pinion

terminology quiz 112
Terminology Quiz 1
  • A hole slightly larger than the fastener intended to pass through it.

Clearance Hole

terminology quiz 113
Terminology Quiz 1
  • A projecting rim or collar used to attach another object.

Flange

terminology quiz 114
Terminology Quiz 1
  • A flat surface perpendicular to the axis, such as the end of a shaft.

Face

terminology quiz 115
Terminology Quiz 1
  • A point, line, or surface from where other features are located.

Datum

terminology quiz 116
Terminology Quiz 1
  • A spring designed to supply force when pulled end to end.

Extension Spring

terminology quiz 117
Terminology Quiz 1
  • The cooling of metals rapidly by immersing them in a liquid.

Quenching

terminology quiz 118
Terminology Quiz 1
  • A dimension used only for information, not for production or inspection.

Reference Dimension

terminology quiz 119
Terminology Quiz 1
  • A drawing made by computer-aided drafting methods.

CAD Drawing

terminology quiz 2
Terminology Quiz 2
  • A machining operation that enlarges the end cylindrically to a specified diameter and depth.

Counterbore

terminology quiz 21
Terminology Quiz 2
  • A machining operation that produces a cone-shaped end to a hole, usually to accept a flat-head fastener.

Countersink

terminology quiz 22
Terminology Quiz 2
  • The permissible variation from a specified dimension.

Tolerance

terminology quiz 23
Terminology Quiz 2
  • The maximum and minimum permissible dimensions.

Limits

terminology quiz 24
Terminology Quiz 2
  • A tool for cutting external threads.

Die

terminology quiz 25
Terminology Quiz 2
  • Cylindrical surfaces that are equally centered about a common axis

Coaxiality

terminology quiz 26
Terminology Quiz 2
  • Equal halves. The same on both sides of a common centerline.

Symmetrical

terminology quiz 27
Terminology Quiz 2
  • A circular centerline upon which two or more hole centers are located.

Bolt Circle

terminology quiz 28
Terminology Quiz 2
  • An object made by pouring molten metal into a mold.

Casting

terminology quiz 29
Terminology Quiz 2
  • A model of the part to be cast. Used to create a cavity in the sand.

Pattern

terminology quiz 210
Terminology Quiz 2
  • An interior radius (concave) between intersecting surfaces of an object.

Fillet

terminology quiz 211
Terminology Quiz 2
  • A circular, raised portion around a hole in a casting or a forging.

Boss

terminology quiz 212
Terminology Quiz 2
  • Metals that contain iron as their base material, such as steel.

Ferrous

terminology quiz 213
Terminology Quiz 2
  • Metals without iron content, such as brass, copper, or aluminum.

Non Ferrous

terminology quiz 214
Terminology Quiz 2
  • Conical shape that permits a shaft or hole to become gradually smaller from one end to the other.

Taper

terminology quiz 215
Terminology Quiz 2
  • To remove a small amount of material from the end of a shaft or hole to facilitate assembly.

Chamfer

terminology quiz 216
Terminology Quiz 2
  • A groove in a shaft to position a key.

Keyseat

terminology quiz 217
Terminology Quiz 2
  • An external groove at a change in diameter of a shaft, usually for another part to fit against its shoulder.

Neck

terminology quiz 218
Terminology Quiz 2
  • The term used to define the angle formed between one side and another.

Included angle

terminology quiz 219
Terminology Quiz 2
  • The minimum clearance ( or maximum interference) between two mating parts, such as a shaft and a hole.

Allowance

abbreviation quiz 11
Abbreviation Quiz 1
  • CRS

Cold Rolled Steel

abbreviation quiz 12
Abbreviation Quiz 1
  • CBORE

Counterbore

abbreviation quiz 13
Abbreviation Quiz 1
  • CSK

Countersink

abbreviation quiz 15
Abbreviation Quiz 1
  • DR

Drill/Drill Rod

abbreviation quiz 17
Abbreviation Quiz 1
  • FAO

Finish All Over

abbreviation quiz 19
Abbreviation Quiz 1
  • HRS

Hot Rolled Steel

abbreviation quiz 110
Abbreviation Quiz 1
  • ID

Inside Diameter

abbreviation quiz 112
Abbreviation Quiz 1
  • MATL

Material

abbreviation quiz 114
Abbreviation Quiz 1
  • OD

Outside Diameter

abbreviation quiz 119
Abbreviation Quiz 1
  • TOL

Tolerance

abbreviation quiz 2
Abbreviation Quiz 2
  • BC

Bolt Circle

abbreviation quiz 21
Abbreviation Quiz 2
  • BHN

Brinell Hardness Number

abbreviation quiz 23
Abbreviation Quiz 2
  • CDS

Cold-Drawn Steel

abbreviation quiz 24
Abbreviation Quiz 2
  • DIM.

Dimension

abbreviation quiz 27
Abbreviation Quiz 2
  • HT TR

Heat Treat

abbreviation quiz 28
Abbreviation Quiz 2
  • LG

Length, Long

abbreviation quiz 29
Abbreviation Quiz 2
  • MI

Malleable Iron

abbreviation quiz 210
Abbreviation Quiz 2
  • MIN

Minimum, Minute

abbreviation quiz 211
Abbreviation Quiz 2
  • NTS

Not to Scale

abbreviation quiz 212
Abbreviation Quiz 2
  • PC

Piece, Pitch Circle

abbreviation quiz 214
Abbreviation Quiz 2
  • REF

Reference

abbreviation quiz 217
Abbreviation Quiz 2
  • SPEC

Specification

abbreviation quiz 218
Abbreviation Quiz 2
  • SYM

Symmetrical

alphabet of lines
Alphabet of Lines

Visible line

  • Represents visible edges
  • Represents outlines of the object being drawn
alphabet of lines1
Alphabet of Lines

Hidden line

  • Represents edges not visible in given view
  • Represents outlines of an object not visible in given view
alphabet of lines2
Alphabet of Lines

Section lines

  • Appear only on a sectional view
  • Appears where surface has been cut
  • Normally drawn diagonally
alphabet of lines3
Alphabet of Lines

Centerline

  • Indicates symmetry, center points, or axes
  • Consists of alternate long and short dashes
alphabet of lines4
Alphabet of Lines

Dimension line

  • Denotes the extent of the dimension
  • Use with arrowheads
alphabet of lines5
Alphabet of Lines

Extension line

  • Extends surface or point away from view
  • Used for the purpose of dimensioning
alphabet of lines6
Alphabet of Lines

Leader

  • Drawn diagonally
  • Directs a dimension or note to an area
  • Normally terminates with an arrow
  • May terminate with a dot
alphabet of lines7
Alphabet of Lines

Cutting-plane line

  • Shows where imaginary cutting creates a sectional view
  • May be series of long dashes or alternately two short dashes between single long dashes
  • Arrowheads indicate the direction of sight
alphabet of lines8
Alphabet of Lines

Viewing-plane line

  • Used in conjunction with removed views to show where view would normally appear
  • Arrowheads indicate direction of sight
alphabet of lines9
Alphabet of Lines

Short break line

  • Terminates a view to conserve space and avoid congestion
  • Separates internal and external features with broken-out sections
alphabet of lines10
Alphabet of Lines

Long break line

  • Allows removal of a long central portion of an object to shorten a view
  • Normally used in pairs
alphabet of lines11
Alphabet of Lines

Phantom line

  • Represents the outline of an adjacent part
  • Shows alternate position of a given part
alphabet of lines12
Alphabet of Lines

Phantom line

  • Replaces repetitive detail-e.g.-coils, gear teeth, threads
  • Drawn with two short dashes between single long dashes
  • Lines are thinner than the cutting/viewing-plane line
alphabet of lines13
Alphabet of Lines

Chain line

  • Used to indicate an area or portion of a surface
  • Surface receives special treatment
alphabet of lines15
Alphabet of Lines
  • Drawn parallel to surface profile at a short distance from it
  • Dimensions added for length and location
alphabet of lines16
Alphabet of Lines
  • Dimensions omitted when chain line clearly indicates location and extent of surface
alphabet of lines quiz 1
Alphabet of Lines Quiz 1
  • Shows the outline of the object.

Answer: Visible

alphabet of lines quiz 11
Alphabet of Lines Quiz 1

2. Indicates the place from where the removed view is viewed.

Answer: Viewing-Plane

alphabet of lines quiz 12
Alphabet of Lines Quiz 1

3. Points diagonally to an area or a feature.

Answer: Leader

alphabet of lines quiz 13
Alphabet of Lines Quiz 1

4. Represents a surface not visible in the view drawn.

Answer: Hidden

alphabet of lines quiz 14
Alphabet of Lines Quiz 1

5. Shows an alternate position of the movable arm.

Answer: Phantom

alphabet of lines quiz 15
Alphabet of Lines Quiz 1

6. Terminates with arrowheads and encloses a dimension figure.

Answer: Dimension

alphabet of lines quiz 16
Alphabet of Lines Quiz 1

7. Extends the visible line for the purpose of dimensioning to it.

Answer: Extension

alphabet of lines quiz 17
Alphabet of Lines Quiz 1

8. Indicates the place where the section is cut.

Answer: Cutting-Plane

alphabet of lines quiz 18
Alphabet of Lines Quiz 1

9. Shows the axis of symmetrical parts and the arm’s path of motion.

Answer: Center

alphabet of lines quiz 19
Alphabet of Lines Quiz 1

10. Permits the use of a partial view to conserve space and avoid congestion.

Answer: Break

alphabet of lines quiz 110
Alphabet of Lines Quiz 1

11. Represents the exposed surface of a sectioned feature.

Answer: Section

alphabet of lines quiz 111
Alphabet of Lines Quiz 1

12. List the five lines that are drawn thick.

Answers:

  • Visible
  • Cutting-Plane
  • Viewing-Plane
  • Short Break
  • Chain
alphabet of lines quiz 112
Alphabet of Lines Quiz 1

13. List the six lines that include short dashes.

  • Hidden
  • Center
  • Cutting-Plane
  • Viewing-Plane
  • Phantom
  • Chain

Answers:

alphabet of lines quiz 113
Alphabet of Lines Quiz 1

14. List the four lines that include arrowheads.

Answers:

  • Dimension
  • Leader
  • Cutting-Plane
  • Viewing-Plane
alphabet of lines quiz 114
Alphabet of Lines Quiz 1

15. How does the cutting-plane line differ from the viewing–plane line (in application)?

Answer:

  • The Cutting-Plane cuts the object
  • The Viewing-Plane views the object
alphabet of lines quiz 2
Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

1. Viewing-Plane

slide239

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

2. Extension

slide240

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

3.Dimension

slide241

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

4. Center

slide242

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

5. Hidden

slide243

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

6. Short Break

slide244

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

7. Cutting-Plane

slide245

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

8. Visible

slide246

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

9. Center

slide247

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

10. Leader

slide248

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

11. Section

slide249

Alphabet of Lines Quiz 2

List the proper names of the lines used in the illustration.

12. Phantom

alphabet of lines quiz 3

Centerline

Chain line

Cutting-plane line

Dimension line

Extension line

Hidden line

Leader

Long break line

Phantom line

Section line

Short break line

Viewing-plane line

Visible line

Alphabet of Lines Quiz 3

Match the lines with their correct names.

1. Leader

alphabet of lines quiz 31

Centerline

Chain line

Cutting-plane line

Dimension line

Extension line

Hidden line

Long break line

Phantom line

Section line

Short break line

Viewing-plane line

Visible line

Alphabet of Lines Quiz 3

Match the lines with their correct names.

2. Extension

alphabet of lines quiz 32
Alphabet of Lines Quiz 3

Centerline

Chain line

Cutting-plane line

Dimension line

Hidden line

Long break line

Phantom line

Section line

Short break line

Viewing-plane line

Visible line

Match the lines with their correct names.

3. Dimension

alphabet of lines quiz 33
Alphabet of Lines Quiz 3

Centerline

Chain line

Cutting-plane line

Hidden line

Long break line

Phantom line

Section line

Short break line

Viewing-plane line

Visible line

Match the lines with their correct names.

4. Visible

alphabet of lines quiz 34
Alphabet of Lines Quiz 3

Centerline

Chain line

Cutting-plane line

Hidden line

Long break line

Phantom line

Section line

Short break line

Viewing-plane line

Match the lines with their correct names.

5. Centerline

alphabet of lines quiz 35
Alphabet of Lines Quiz 3

Chain line

Cutting-plane line

Hidden line

Long break line

Phantom line

Section line

Short break line

Viewing-plane line

Match the lines with their correct names.

6. Section

alphabet of lines quiz 36
Alphabet of Lines Quiz 3

Chain line

Cutting-plane line

Hidden line

Long break line

Phantom line

Short break line

Viewing-plane line

Match the lines with their correct names.

7. Short Break

alphabet of lines quiz 37
Alphabet of Lines Quiz 3

Chain line

Cutting-plane line

Hidden line

Long break line

Phantom line

Viewing-plane line

Match the lines with their correct names.

8. Viewing-Plane

alphabet of lines quiz 38
Alphabet of Lines Quiz 3

Match the lines with their correct names.

Chain line

Cutting-plane line

Hidden line

Long break line

Phantom line

9. Chain

alphabet of lines quiz 39
Alphabet of Lines Quiz 3

Match the lines with their correct names.

Cutting-plane line

Hidden line

Long break line

Phantom line

10. Cutting-Plane

alphabet of lines quiz 310
Alphabet of Lines Quiz 3

Match the lines with their correct names.

Hidden line

Long break line

Phantom line

11. Long Break

alphabet of lines quiz 311
Alphabet of Lines Quiz 3

Match the lines with their correct names.

Hidden line

Phantom line

12. Hidden

alphabet of lines quiz 312
Alphabet of Lines Quiz 3

Match the lines with their correct names.

Phantom line

13. Phantom

alphabet of lines quiz 4

A-Centerline

B-Chain line

C-Cutting-plane line

D-Dimension line

E-Extension line

F-Hidden line

G-Leader

H-Long break line

I-Phantom line

J-Section line

K-Short break line

L-Viewing-plane line

M-Visible line

Alphabet of Lines Quiz 4

Match letters from the list with numbers in the illustration.

1. L-Viewing-plane line

alphabet of lines quiz 41
Alphabet of Lines Quiz 4

A-Centerline

B-Chain line

C-Cutting-plane line

D-Dimension line

E-Extension line

F-Hidden line

G-Leader

H-Long break line

I-Phantom line

J-Section line

K-Short break line

M-Visible line

Match letters from the list with numbers in the illustration.

2. M-visible line

alphabet of lines quiz 42
Alphabet of Lines Quiz 4

A-Centerline

B-Chain line

C-Cutting-plane line

D-Dimension line

E-Extension line

F-Hidden line

G-Leader

H-Long break line

I-Phantom line

J-Section line

K-Short break line

Match letters from the list with numbers in the illustration.

3. F-Hidden line

alphabet of lines quiz 43
Alphabet of Lines Quiz 4

A-Centerline

B-Chain line

C-Cutting-plane line

D-Dimension line

E-Extension line

G-Leader

H-Long break line

I-Phantom line

J-Section line

K-Short break line

Match letters from the list with numbers in the illustration.

4. I-Phantom line

alphabet of lines quiz 44
Alphabet of Lines Quiz 4

A-Centerline

B-Chain line

C-Cutting-plane line

D-Dimension line

E-Extension line

G-Leader

H-Long break line

J-Section line

K-Short break line

Match letters from the list with numbers in the illustration.

5. H-Long break line

alphabet of lines quiz 45
Alphabet of Lines Quiz 4

A-Centerline

B-Chain line

C-Cutting-plane line

D-Dimension line

E-Extension line

G-Leader

J-Section line

K-Short break line

Match letters from the list with numbers in the illustration.

6. C-Cutting-plane line

alphabet of lines quiz 46
Alphabet of Lines Quiz 4

A-Centerline

B-Chain line

D-Dimension line

E-Extension line

G-Leader

J-Section line

K-Short break line

Match letters from the list with numbers in the illustration.

7. K-Short break line

alphabet of lines quiz 47
Alphabet of Lines Quiz 4

A-Centerline

B-Chain line

D-Dimension line

E-Extension line

G-Leader

J-Section line

Match letters from the list with numbers in the illustration.

8. B-Chain line

alphabet of lines quiz 48
Alphabet of Lines Quiz 4

A-Centerline

D-Dimension line

E-Extension line

G-Leader

J-Section line

Match letters from the list with numbers in the illustration.

9. D-Dimension line

alphabet of lines quiz 49
Alphabet of Lines Quiz 4

A-Centerline

E-Extension line

G-Leader

J-Section line

Match letters from the list with numbers in the illustration.

10. E-Extension line

alphabet of lines quiz 410
Alphabet of Lines Quiz 4

Match letters from the list with numbers in the illustration.

A-Centerline

G-Leader

J-Section line

11. G-Leader

alphabet of lines quiz 411
Alphabet of Lines Quiz 4

Match letters from the list with numbers in the illustration.

A-Centerline

J-Section line

12. A-Centerline

alphabet of lines quiz 412
Alphabet of Lines Quiz 4

Match letters from the list with numbers in the illustration.

A-Centerline

J-Section line

13. J-Section line

alphabet of lines quiz 413
Alphabet of Lines Quiz 4

Match letters from the list with numbers in the illustration.

A-Centerline

J-Section line

14. A-Centerline

alphabet of lines quiz 414
Alphabet of Lines Quiz 4

Match letters from the list with numbers in the illustration.

A-Centerline

J-Section line

15. J-Section line