DOCUMENT RESUME

ED 391 908 CE 070 766

TITLE Blueprint Reading for Welders. Training Guide.INSTITUTION Philippine Congress, Manila. Congressional Oversight

Committee on Education.PUB DATE 95NOTE 102p.; For related documents, see CE 070 /58, CE 070

760, CE 070 763, and CE 070 765-768.PUB TYPE Guides Classroom Use Teaching Guides (For

Teacher) (052)

EDRS PRICE MF01/PC05 Plus Postage.DESCRIPTORS Adult Education; *Adult Vocational Education;

Behavioral Objectives; *Blueprints; *Competency BasedEducation; *Engineering Drawing; Learning Activities;*Orthographic Projection; *Welding

ABSTRACTThis training g.ide, developed during a project to

retrain defense industry workers at risk of job loss or dislocationbecause of conversion of the defense industry, is designed for acourse in blueprint reading for welders. The following are among thetopics covered in the course: information on a blueprint;orthographic projection; views in orthographic drawings; representingan object; sketching an isometric drawing; surface identification;basic lines and their identification; local and general notes; titleblocks; dimensions; dilension units; rules for dimensioning;tolerance dimensions; welding symbols; reference lines; basic weldsymbols; types of welds; supplementary symbols; welding symbol andelements; fillet welds and finishes; and groove, plug, slot, spot,seam, and flange welds. IAcluded in the guide are the following:course outline; transparency masters; student handouts; quiz; studentexercises; and reference tables. (MN)

***********************************************************************

Reproductions supplied by EDRS are the best that can be madefrom the original document.

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ILep "ntRead'g

foelders

TrainingOil of Educannai Roseanin ann

U S DEPARTMENT OF EDUCATION_ Guide "PERMISSION TO REPRODUCE THISED14CATIONAL RESOURCES INFORMATION MATERIAL HAS BEEN GRANTED BYCENTER (ERIC)

This document has been reproduced asreceived from the poison cr organqationOriginating it

0 Minor changes have been made toimpiove reproduction quality

Points of view or opinions stated in thisclocum, do not noroccarily ioprnconl011(h-110ER! po,Ivon of policy

2

J 5--thepsdTO THE EDUCATIONAL RESOURCESINFORMATION CENTER (ERIC)

BEST COPY AVAILABLE

Tao

le o

f C

onte

nts

Page

1

Info

rmat

ion

on a

Blu

epri

nt2

Tea

m Q

uiz

2

Ort

hogr

aphi

c Pr

ojec

tion

3

Vie

ws

in O

rtho

grap

hic

Dra

win

gs4

Rep

rese

ntin

g an

Obj

ect

5

Sket

chin

g an

Iso

met

ric

Dra

win

g6

Surf

ace

Iden

tific

atio

n7

Bas

ic L

ines

8-

10

You

r N

otes

11

Iden

tifyi

ng B

asic

Lin

es12

-13

Loc

al a

nd G

ener

al N

otes

14

Titl

e B

lock

s15

Dim

ensi

ons

16

Dim

ensi

on U

nits

17-1

9

Rul

es f

or D

imen

sion

ing

20

Dim

ensi

onin

g Pr

actic

e21

Tol

eran

ce D

imen

sion

s22

Wel

ding

Sym

bol

23

Ref

eren

ce L

ines

24

Bas

ic W

eld

Sym

bols

25

Typ

es o

f W

elds

26

Supp

lem

enta

ry S

ymbo

ls27

Wel

ding

Sym

bol &

Ele

men

ts28

You

r N

otes

29

Fille

t Wel

ds &

Fin

ishe

s30

-33

Gro

ove

Wel

ds34

-38

Plug

Wel

ds39

-40

Slot

Wel

ds41

-42

Spot

Wel

ds43

-45

You

r N

otes

46

Seam

Wel

ds47

-48

Flan

ge W

elds

49-5

0

Cla

ssif

icat

ion

of C

hara

cter

istic

s51

4

Itif

orm

atio

n-:..

oti.a

Bhi

epri

ntIn

form

atio

n fo

und

on a

blue

prin

t:P

arts

to b

e m

anuf

actu

red

Dim

ensi

ons

Not

es

Mat

eria

l

Titl

e of

the

draw

ing

and

part

Dra

win

g nu

mbe

r

Man

ufac

ture

s na

me

Tol

eran

ces

Sca

le o

f the

dra

win

g

Nam

es o

f the

dra

fter,

engi

neer

, and

chec

kers

Dra

win

g an

d ap

prov

alda

tes

Rev

isio

n in

form

atio

n

Tea

m Q

uiz:

Loo

k at

the

prov

ided

pri

nts

In y

our

fold

er.

Loc

ate

the

requ

este

d In

form

atio

nbe

low

.W

ith y

our

part

ner,

num

ber

the

vari

ous

part

s of

a p

rint

.

1.Lo

cate

the

part

s, a

s sh

own

in li

ne

draw

ings

.

2.P

oint

out

the

dim

ensi

ons.

3.P

oint

out

the

note

s.

4.W

here

is th

e m

ater

ial l

iste

d?

5.W

hat's

the

title

of t

he d

raw

ing

and

the

draw

ing

num

ber?

6.W

here

is th

e O

nan/

Cum

min

s na

me

loca

ted

on th

e pr

int?

7.P

oint

out

the

tole

ranc

es.

8.W

hat i

s th

e sc

ale

of th

is d

raw

ing?

9.W

ho d

rafte

d th

is p

rint?

10.

Who

app

rove

d th

e pr

int?

11.

Whe

n w

as th

e pr

int d

rafte

d?

12.

Poi

nt o

ut th

e re

visi

on in

form

atio

n.

2

Ort

hogr

aphi

c pr

ojec

tion

is a

cpic

sellu

ngth

etr

ue s

hape

of

an o

bjec

t on

a

sing

le p

lane

.

Eve

ry li

ne o

f an

obj

ecti

s

on a

sin

gle

plan

e.

Eve

ry li

ne o

f the

obj

ect

mus

t app

ear

as a

line

or

poin

t on

the

plan

eof

proj

ectio

n.

Lin

es th

at c

an b

e se

enar

e sh

own

asso

lid li

nes.

Lin

es th

at a

re n

otvi

sibl

e, b

ecau

se th

ey a

rehi

dden

by

som

e pa

rt o

fth

e ob

ject

, are

repr

esen

ted

byda

shed

lines

.

Ort

hogr

aphi

c pr

ojec

tion

isdi

vide

d in

to 6

vie

ws:

Fron

t Vie

w:

Top

Vie

w:

Rig

ht s

ide:

Lef

t sid

e:

Bot

tom

vie

w:

Bac

k vi

ew:

mai

n vi

ew o

f th

e pa

rt th

atsh

ows

mos

t det

ail.

proj

ectio

n up

war

dfr

om f

ront

view

.

view

to th

e ri

ght o

f th

e fr

ont.

view

to th

e le

ft o

f th

e fr

ont.

oppo

site

the

top

view

.

oppo

site

the

fron

t vie

w.

Prin

cipl

ePr

ojec

tions

:T

he p

rinc

iple

pro

ject

ions

are

calle

d fr

ont,

top

and

side

vie

ws.

The

pro

cess

of

proj

ectin

gth

e es

sent

ial v

iew

s in

to a

sin

gle

plan

e is

kno

wn

as o

rtho

grap

hic

proj

ectio

n.

TO

P

FR

ON

TR

IGH

T S

IDE

38

7S7:

1e,8

7vs

'.

.h..

Srth

ogra

phiç

Dt.4

* n

s,

PIC

TO

RIA

LR

EP

RE

SE

NT

AT

ION

BA

CK

9

LEF

T S

IDE

BA

CK

1

I

TO

P

4

I

BO

TT

OM

RIG

HT

SID

E

)

BA

CK 10

OB

LIQ

UE

ISO

ME

TR

IC

FR

ON

T

(a)

PIC

TO

RIA

L

RIG

HT

SID

E

TO

P

FR

ON

TR

IGH

T S

IDE

(13)

OR

TH

OG

RA

PH

IC P

RO

JEC

TIO

N (

IN T

HR

EE

VIE

WS

)

Obl

ique

: To

deve

lop

an o

bliq

uedr

awin

g, a

n or

thog

raph

ic v

iew

of

the

obje

ct is

fir

st d

raw

n w

hich

bes

tde

scri

bes

the

shap

e an

d sh

ows

the

mos

t det

ail o

f th

e ob

ject

.

Aft

er th

e or

thog

raph

ic v

iew

isco

mpl

eted

, one

sho

uld

draw

par

alle

lre

cedi

ng li

nes

abou

t 45

degr

ee a

ngle

sfr

om th

e co

rner

s of

the

view

(ei

ther

toth

e ri

ght o

r to

the

left

) to

dev

elop

the

thre

e-di

men

sion

al e

ffec

t. T

he e

xten

tof

the

rece

ding

line

s is

abo

ut o

ne-h

alf

the

leng

th th

at w

ould

be

show

n fo

r an

orth

ogra

phic

dra

win

g.

Isom

etri

c: T

o de

velo

pan

isom

etri

c sk

etch

, iso

met

ric

grap

hpa

per

is p

refe

rabl

e. A

nis

omet

ric

sket

ch h

as a

ll of

its

surf

aces

sho

wn

at30

deg

ree

angl

es. I

n th

e in

itial

prep

arat

ion

of th

e sk

etch

, a v

iew

of

the

obje

ct th

at b

est s

hoes

its

shap

ean

d de

tail

is s

elec

ted

and

sket

ched

at

30 d

egre

es.

Aft

er c

ompl

etio

n of

the

basi

c vi

ew,

para

llel r

eced

ing

l;lin

es a

re s

ketc

hed

at 3

0 de

gree

ang

les

from

eac

h of

the

corn

ers.

Onl

y th

ose

lines

that

repr

esen

t the

vis

ible

par

t of

the

obje

ctar

e sh

own.

The

ske

tch

is c

ompl

eted

by d

raw

ing

the

back

edg

es.

115

Prel

imin

ary

view

for

sket

chin

gis

omet

ric

Lef

tand

righ

t iso

met

ric

sket

ches

of

a

draw

ing

of a

fabr

icat

ed T

-sup

port

.fa

bric

ated

T-s

uppo

rt.

6

BE

ST

CO

PY

AV

AIL

AB

LE1

3

ON

O.'"

:

!:,1

;;r1,

......

,

1 4

15

Ent

er th

e le

tters

from

the

pict

oria

lvi

ew in

to th

e co

rres

pond

ing

ballo

ons

on th

e

orth

ogra

phic

vie

ws.

0 0

7

1C

'44,

01

The

re a

re s

ever

al d

iffe

rent

type

sof

line

s us

ed o

n a

prin

t.

Eac

h lin

e ha

s a

diff

eren

tm

eani

ng.

Th

-. p

urpo

se o

f ea

ch li

nede

als

with

:

1.Sh

ape

of a

n ob

ject

2.D

imen

sion

ing

of a

n ob

ject

Typ

e of

Lin

eO

BJE

CT

LIN

E

HID

DE

N

LIN

E

Des

crip

tion

Purp

ose

Thi

ck s

olid

line

.T

o sh

ow th

e vi

sibl

e sh

ape

of a

part

.

Bro

ken

line

of m

ediu

mT

o sh

ow e

dges

and

out

lines

not

thic

knes

s.vi

sibl

e to

the

eye.

CE

NT

ER

LIN

E

Fin

e, b

roke

n lin

e m

ade

up o

f aT

o sh

ow th

e ce

nter

of c

ircle

s,

serie

s of

sho

rt a

nd lo

ngar

cs a

nd s

ymm

etric

alob

ject

s

dash

es a

ltern

atel

y sp

aced

.an

d to

aid

in d

imen

sion

ing

thes

epa

rts.

EX

TE

NS

ION

EX

TE

NS

ION

LIN

ELI

NE

DIM

EN

SIO

N L

INE

Ext

ensi

on li

nes:

fine

line

s th

atE

xten

sion

line

s: s

how

)

exte

nt fr

om th

e ob

ject

with

adi

men

sion

ing

poin

ts.

light

bre

ak b

etw

een.

Dim

ensi

on li

nes:

touc

h th

e

Dim

ensi

on li

nes:

fine

line

sex

tens

ion

lines

and

sho

w

with

arr

owhe

ads,

unb

roke

ndi

stan

ce g

iven

by

the

exce

pt w

here

the

dim

ensi

on is

dim

ensi

ons.

i 78

IS

Tyt

ie o

f L

ine

Des

crip

tion

LEA

DE

R

Fin

e, s

trai

ght l

ine

with

an

arro

whe

ad o

r ro

und

solid

dot

at o

ne e

nd. I

t is

usua

lly d

raw

nat

an

angl

e.

Poi

nts

dire

ctly

to s

urfa

ce fo

r th

epu

rpos

e of

dim

ensi

onin

g or

addi

ng a

not

e. A

dot

may

be

used

at t

he e

nd o

f the

str

aigh

tlin

e w

here

ref

eren

ce is

mad

e a

surf

ace

area

.

PR

EF

ER

RE

DA

ALT

ER

NA

TE

B.

CU

TT

ING

MIS

PLA

NE

LIN

E

j

A h

eavy

, bro

ken

line

mad

e up

of a

ser

ies

of s

hort

das

hes

Aal

tern

atel

y sp

aced

(or

sol

idhe

avy

lines

or

long

das

hes)

.A

rrow

head

s ar

e pl

aced

at

right

ang

les

to th

e cu

tting

plan

e lin

es.

Indi

cate

whe

re a

n im

agin

ary

cut

is m

ade

thro

ugh

the

obje

ct. T

hear

row

poi

nts

in th

e di

rect

ion

inw

hich

the

sect

ion

shou

ld b

evi

ewed

. Let

ters

nex

t to

the

arro

whe

ads

iden

tify

the

sect

ion

in c

hase

s w

here

mor

e th

an o

nese

ctio

n is

sho

wn

on th

e dr

awin

g.

ST

EE

L

ZIN

C, L

EA

D,

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ITE

ME

TA

L,B

AB

BIT

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LLO

YS

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ES

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SA

LLO

YS

Ser

ies

of fi

ne li

nes

solid

or

solid

and

bro

ken

arra

nged

insp

ecifi

c pa

ttern

s. T

hey

may

be s

how

n ei

ther

str

aigh

t or

curv

ed. W

hen

show

n st

raig

ht,

they

are

usu

ally

dra

wn

at 4

5de

gree

ang

le.

Indi

cate

the

imag

inar

y cu

tsu

rfac

e re

ferr

ed to

by

the

cutti

ngpl

an li

ne. T

o re

pres

ent v

ario

uski

nds

of m

ater

ials

.

1 9

92

0

CH

AIN

LIN

EH

eavy

, bro

ken

line

mad

e up

of

Indi

cate

s th

e lo

catio

n an

d ex

tent

a se

ries

of lo

ngan

d sh

ort

of a

sur

face

are

a.da

shes

alte

rnat

ely

spac

ed.

SHORT

Hea

vy, i

rreg

ular

line

dra

wn

BREAK LINE

free

hand

.

To

show

a s

hort

bre

ak. T

oco

nser

ve s

pace

on

adr

awin

g.T

o sh

ow a

par

tial s

ectio

n.

Rul

ed, l

ight

line

with

free

hand

To

show

a lo

ng b

reak

. To

LONG

BREAK LI

zigz

ags.

cons

erve

spa

ce o

n a

drawinIg.

111

NE

PHANTOM

LINE

Ligh

t, br

oken

line

mad

e up

of

a se

ries

of o

ne lo

ngan

d tw

osh

ot d

ashe

s.

To

show

alte

rnat

e po

sitio

ns o

f apa

rt. T

o sh

ow r

elat

ions

hip

ofex

istin

g pa

rt to

new

par

t. T

osh

ow m

achi

ned

surf

aces

.

10

25

Ref

er to

the

draw

ing

abov

e to

iden

tify

the

type

san

d lin

esan

d th

eir

func

tions

.

Iden

tify

tofo

llow

ing

type

sof

line

s:G

iven

the

func

tion

orfu

nctio

ns o

f

Ath

e fo

llow

ing

lines

:

A Bon

usQ

uest

ion:

1

Wha

t doe

sQ

hav

ere

fere

nce

to?

1 3

2 L

;

Loca

lG

ener

a N

otes

A n

ote

is le

ttere

din

form

atio

n co

ncer

ning

the

deta

ils o

fcon

stru

ctio

n. T

he n

ote

expl

ains

, spe

cifi

es, o

rre

fers

to th

e m

ater

ial a

nd/o

r pr

oces

ses

need

ed to

mak

e th

e

part

.Not

es h

elp

to c

onse

rve

spac

e on

the

prin

t, an

d to

sav

etim

e in

pre

pari

ng th

e

draw

ing.

It i

sof

ten

show

n as

an

abbr

evia

tion

or s

ymbo

l.

Loc

al N

otes

:W

hen

a no

teap

plie

s to

a p

artic

ular

part

on

anob

ject

, it i

sca

lled

a lo

cal n

ote.

Suc

h

a no

te is

pla

ced

near

cine

of t

he

view

3 re

pres

entin

gth

e pa

rt.

Thi

s su

rfac

e m

ust

be f

lush

and

have

now

eld

spat

ter.

29

Gen

eral

Not

es:

A g

ener

alno

te a

pplie

s to

the

draw

ing

as a

who

le. I

t is

plac

edin

an

open

spac

o aw

ayfr

om th

e vi

ews

soth

at it

can

be

seen

eas

ily.

Exa

mpl

e:A

ll w

elds

mad

eus

ing

GT

AW

.

14

Titl

e bl

ocks

con

sist

of:

A.

Nam

e of

par

t or

proj

ect

B.

Qua

ntity

req

uire

dC

.M

ater

ial d

escr

iptio

nD

.S

cale

siz

e us

edE

.D

raw

n by

F.

Che

cked

by

G.

Dra

win

g N

umbe

rH

.D

ates

I.T

oler

ance

sJ.

Ona

n/C

umm

ins

nam

eK

.D

raw

ing

Pro

ject

ion

3rd

Ang

le v

s. 1

st A

ngle

Pla

ce th

e co

rres

pond

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a pr

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34

1.

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e di

men

sion

s ar

e sh

own

infr

actio

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. In

the

Frac

tiona

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iIiic

hExa

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e

3

8119

3264

3518

36

,

In th

e de

cim

alin

ch s

yste

m (

U.S

.C

usto

mar

y), p

arts

are

desi

gned

in b

asic

deci

mal

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ts, p

refe

rabl

e.0

2 in

ch a

nd a

reex

pres

sed

as tw

o-pl

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num

bers

.

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ng th

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2m

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e se

cond

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mal

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ce(h

undr

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) is

an

even

num

ber

or

zero

.Si

zes

othe

r th

anth

ese,

suc

h as

.25

are

used

whe

n th

ey a

rees

sent

ial t

o m

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desi

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equi

rem

ents

.

Dec

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h-E

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100

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17 .

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11:7

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n th

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size

s

are

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com

mon

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lest

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sion

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met

ric

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I M

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Mea

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ws

engi

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draw

ings

in: m

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r th

e lin

ear

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and

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r su

rfac

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ss th

an o

ne is

show

n w

ith a

zer

o to

the

left

of

the

deci

mal

poi

nt.

For

exam

ple:

0.2

not

.2 o

r .2

00.

26no

t.2

6

Ona

n SI

Met

ric

Uni

ts

42.5

25.8

(063

.871

19

1. P

lace

dim

ensi

ons

betw

een

view

sw

hen

poss

ible

(S

ee A

).

2. P

lace

the

dim

ensi

onlin

e fo

r th

esh

orte

st w

idth

, hei

ght,

and

dept

h,

near

est t

he o

utlin

e of

the

obje

ct

(See

B).

Par

alle

l dim

ensi

on li

nes

are

plac

ed

in o

rder

of t

heir

size

, mak

ing

the

long

est d

imen

sion

line

the

oute

rmos

t lin

e.

3. P

lace

dim

ensi

ons

near

the

view

that

bes

t sho

ws

the

shap

eof

the

obje

ct (

See

C).

I--

I"-1

r"-

"--

r-.4

4

(A)

PLA

CE

DIM

EN

SIO

NS

BE

TW

EE

NV

IEW

S

I.1.

20

.451

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h ."

(0)

PLA

CE

SM

ALL

ES

T D

IME

NS

ION

NE

AR

ES

T

TH

E V

IEW

BE

ING

DIM

EN

SIO

NE

D

LFA

.20

.34

41 '4

13

46

(C)

DIM

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SIO

N T

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VIE

W T

HA

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ES

T S

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TH

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45

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CLUESTIOtS

1. What is the name of the object?

2. What is the drawing number?3. How many pieces are to be made?

4. Of what material is the part made?

5. What is the overall width?6. What is the overall depth?7. What is the overall height?8. Which line or surface in the side view

represents surface 0 in the top view?9. Which line or surface in the side view

represents surface10. Which iine or surfac

represents surface11. Which line or surfa

represents surface

view?12. What is the vertical height in the side

view from the surface represented by

line° to that represented by line13. What is the height of the step in the si e

view from the bottom of the part to the

surface represented by surface 7

14. Which two dimensions (letters) in the top view

represent distance V in the side view?

in the top view?in the side view

in the top view?in the side view

of the front

15. Which two dimensions (letters) in the top view

represent distance W in the side view?

16. Which line or surface in the side view

represents surface

17. What is the height ofline18. Which line or surface in the

represents the surface

view?19. Which line or surface in the tap view

represents surface 0?20. Which line or surface in the front view

represents surface 0 ?21. Which line or surface in the front view

represents surface 7

22. Which line or surface in the top viewrepresents surface (D ?

23. What type of line is24. What type of line is25. What units of measurement are used on

this drawing?

26. Calculate dimensions B .0 and W .

in the front view?7

ront viewin the side

ANSWERS

1

2

3

4

5

6

7

a

9

13

11

12

13

14

15

16

17

I

19

20

21

22

23

24

25

26 8

QUANTITY

MATERIAL

SCALE FULL SIZE

DRAWN

4 7

2

MS

COUNTER CLAMPBAR

OATE

A S

Tol

eran

ce is

ano

ther

impo

rtan

tele

men

t of

dim

ensi

onin

g. I

t is

afi

gure

giv

en a

plu

s

(+)

or m

inus

(-)

qua

lity.

It s

peci

fies

the

amou

nt o

f er

ror

allo

wed

whe

n m

akin

g a

part

.

Tol

eran

ces

are

used

to e

nsur

e th

e ac

cura

cyan

d pr

oper

fit

of p

arts

. Thi

sal

low

s

asse

mbl

y an

d co

nstr

uctio

n w

ith th

em

inim

um o

f re

wor

k or

adj

ustm

ent.

For

man

y pa

rts,

tole

ranc

es a

rest

anda

rdiz

ed a

nd a

re f

ound

in p

repa

red

tole

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e

tabl

es. Tol

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ce T

able

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, an

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d a

tail.

Ref

eren

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ine:

Use

d to

app

ly w

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sym

bols

and

oth

er d

ata

Arr

ow:

Con

nect

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e re

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to th

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in o

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Tai

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Tai

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t1

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botto

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e pr

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low

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ide

of th

ere

fere

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line

is te

rmed

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wsi

de a

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per

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her

side

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"arr

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ly to

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Oth

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Oth

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Arr

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ide

Arr

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Why

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the

refe

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and

B I

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24

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ER

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TH

ET

AIL

.

602

861

1.F

illet

wel

d sy

mbo

ls a

re d

raw

nw

ith th

e5.

The

leng

th o

f a fi

llet w

eld,

whe

nin

dica

ted

on

perp

endi

cuia

r le

g al

way

s to

the

left,

the

wel

ding

sym

bol,

is s

how

n to

the

right

of

/ V--

-Tr-

\th

e w

eld

sym

bol. .25

6.00

41.

.38

r 4.

00

2.D

imen

sion

s of

fille

t wel

ds a

re s

how

n on

the

sam

e si

de o

f the

refe

renc

e lin

e an

d to

the

left

of th

e w

eld

sym

bol.

6.T

he p

itch

(cen

ter

to c

ente

rspa

cing

) of

an

inte

rmitt

ent f

illet

wel

d is

sho

wn

asth

edi

stan

ce b

etw

een

cent

ers

ofin

crem

ents

on

one

side

of t

he jo

int.

Itis

sho

wn

to th

e rig

htof

the

leng

th d

imen

sion

follo

win

g a

hyph

en.

3.T

he d

imen

sion

s of

fille

t wel

ds o

nbo

th s

ides

of a

join

t are

sho

wn

whe

ther

the

dim

ensi

ons

are

iden

tical

or

diffe

rent

.

4.T

he d

imen

sion

doe

s no

t nee

d to

be s

how

nw

hen

a ge

nera

l not

e is

pla

ced

on th

edr

awin

g to

spe

cify

dim

ensi

on o

ffil

let w

elds

.

7.S

tagg

ered

inte

rmitt

ent f

illet

wel

ds a

reill

ustr

ated

by

stag

gerin

g th

e w

eld

sym

bols

.

NO

TE

: SIZ

E O

F F

ILLE

T W

ELD

S .2

5U

NLE

SS

OT

HE

R W

ISE

SP

EC

IFIE

D.

8.F

illet

wel

ds th

at a

re to

be

wel

ding

with

appr

oxim

atel

y fla

t, co

nvex

, or

conc

ave

face

s

with

out p

ostw

eld

finis

hing

are

spe

cifie

d by

addi

ng th

e fla

b, c

onve

x, o

r co

ncav

eco

ntou

r

sym

bols

to th

e w

eld

sym

bol.

K

9.F

illet

wel

ds w

hose

face

s ar

e to

be

finis

hed

appr

oxim

atel

y fla

x, c

onve

x, o

r co

ncav

eby

post

wel

d fin

ishi

ng a

re s

peci

fied

byad

ding

both

the

appr

opria

te c

onto

ur a

nd fi

nish

ing

sym

bol t

o th

e w

eld

sym

bol.

The

follo

win

g fin

ishi

ng s

ymbo

ls m

aybe

use

d to

spec

ify th

e m

etho

d of

fini

shin

g,bu

t not

the

degr

ee

of fi

nish

:C

- C

hipp

ing

G -

Grin

ding

H -

Ham

mer

ing

M -

Mac

hini

ngR

- R

ollin

g

4r:

31

6667

,;:..-:,-..i.:- -:,.:.'se '...:::... ':';:;..:

.., .WELDING SYMBOL

38

.39ET4817-

ARROW SIDE

.38

OTHER SIDE

.

.25.25 AL

BOTH SIDES

i NG .38

i 1

n .NE. T. 38

WELD ALL AROUND FOR PARTS OTHER THAN ROUND

5

7FLATSURFACE

.38 /

CONTOUR SYMBOL

6GROUND TOCONCAVECONTOUR

.25 ra

POST WELD FINISHING

7.25V 3.00-8.00 i;25 1---E-5.00----7-1

1,-4 3.00 1.-- I 3.00

INTERMITTENT WELD ONE SIDE

3.00-8.008 .25 -.00.25 3.00- 8.00 1:25

INTERMITTENT WELD 80TH SIDES

'9 .25 L. 3,00-8.00

INTERMITTENT

1.2525 V 3.00-8.00 L 8.00UMW

H 3.00 1----1 3.00 I---I 3.00

1 124.00.-1WELD STAGGERED ON OTHER SIDE

68REST COPYAVAILABLE

Fin

ish

sym

bols

may

be u

sed

with

con

tour

sym

bols

toin

dica

te th

e m

etho

dto

be u

sed

for

form

ing

the

cont

our

ofth

e w

eld.

Lette

r de

sign

atio

ns a

reus

ed fo

r th

is p

urpo

se:

C is

for

Chi

ppin

gR

is fo

r R

ollin

g

G is

for

Grin

ding

H is

for

Ham

mer

ing

M is

for

Mac

hini

ngU

is fo

r U

nspe

cifie

d

A s

tand

ard

finis

hm

ark

may

be

appl

ied

to th

e co

ntou

r sy

mbo

lwith

a n

umer

ical

,de

gree

of

finis

h sh

own

abov

eth

e fin

ish

mar

k.

FLU

SH

CO

NT

OU

RB

Y G

RIN

DIN

G

FLU

SH

CO

NT

OU

RU

CU

RV

ED

CO

NT

OU

R

R

BY

CH

IPP

ING

/11

FLU

SH

CO

NT

OU

RB

Y R

OLL

ING

-70

FLU

SH

CO

NT

OU

RF

INIS

H M

ET

HO

DU

NS

PE

CIF

IED

33

BY

HA

MM

ER

ING

CU

RV

ED

CO

NT

OU

RB

Y M

AC

HIN

E

70

1.B

evel

-gro

ove,

J-g

roov

e, a

nd fl

are

beve

l-gr

oove

wel

d sy

mbo

ls a

real

way

s dr

awn

with

the

perp

endi

cula

r le

g to

the

left.

2.D

imen

sion

s of

sin

gle

groo

ve w

elds

are

show

n on

the

sam

e si

de o

f the

ref

eren

celin

e

as th

e w

eld

sym

bol.

3.E

ach

groo

ve o

f a d

oubl

e-gr

oove

join

t is

dim

ensi

oned

, how

ever

the

root

ope

ning

need

app

ear

only

onc

e.

4.F

or b

evel

-gro

ove

and

J-gr

oove

wel

ds, a

brok

en a

rrow

is u

sed,

whe

n ne

cess

ary,

toid

entif

y th

e m

embe

r to

be

prep

ared

.

DR

AW

ING

CA

LLO

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D F

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T.26

733

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5.W

hen

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epth

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roov

e pr

epar

atio

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ve w

eld

size

are

spe

cifie

d on

the

wel

ding

sym

bol f

or s

ingl

e-gr

oove

and

sym

met

rical

dou

bleg

roov

e w

elds

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plet

ejo

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BE

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7536

1111

1111

1MM

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76

6.W

hen

the

groo

ve w

elds

ext

end

only

par

tlyth

roug

h th

e m

embe

r be

ing

join

ed,

the

size

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the

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3 7

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-, o

r U

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ove

wel

dsy

mbo

ls in

dica

te o

nly

the

dept

hof

prep

arat

ion.

8.G

roov

e w

elds

that

are

to b

e w

elde

d w

ithap

prox

imat

ely

flush

or

conv

exfa

ces

with

out

post

-wel

d fin

ishi

ng a

re s

peci

fied

by a

ddin

gth

e flu

sn o

r co

nvex

con

tour

sym

bol t

o th

e

wel

ding

sym

bol.

9.G

roov

e w

elds

who

se fa

ces

are

to b

e fin

ishe

dbl

ush

or c

onve

x by

pos

twel

d fin

ishi

ng a

resp

ecifi

ed b

y ad

ding

bot

h th

e ap

prop

riate

cont

our

and

finis

hing

sym

bol t

o th

e w

eld

sym

bol.

Sta

ndar

d fin

ishi

ng s

ymbo

ls a

re:

C -

Chi

ppin

gG

- G

rindi

ngH

- H

amm

erin

gM

- M

achi

ning

R -

Rol

ling

10.

The

siz

e of

flar

e-gr

oove

wel

ds w

hen

now

eld

size

is g

iven

is c

onsi

dere

d as

ext

endi

ng o

nly

to th

e ta

ngen

t poi

nt in

dica

ted

bydi

men

sion

s

DR

AW

ING

CA

LLO

UT

INT

ER

PR

ET

AT

ION

FLA

RE

-V B

EV

EL

.25

.25

.38

(.50

)

.38

.50

r.5

.38

CO

MB

INE

D F

LAR

E-B

EV

EL

AN

DF

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T W

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.25

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LAR

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80

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1.07

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SIZ

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0.50

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5 .5

0

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k.11

1111

1111

11.1

1

1.H

oles

in th

e ar

row

-wid

e m

embe

rof

a jo

int f

or

plug

wel

ding

are

spe

cifie

d uy

plac

ing

the

wel

d sy

mbo

l bel

ow th

e re

fere

nce

line.

2.H

oles

in th

e ot

her-

side

mem

ber

of a

join

t for

plug

wel

ding

are

indi

cate

d by

plac

ing

the

wel

d sy

mbo

l abo

ve th

e re

fere

nce

line.

3.T

he s

ize

of a

plu

g w

eld

is s

how

n on

the

sam

e si

de a

nd to

the

left

of th

e w

eld

sym

bol

4.T

he in

clud

ed a

ngle

of c

ount

ersi

nkof

plu

g

wel

ds is

the

user

's s

tand

ard,

unl

ess

othe

rwis

e in

dica

ted.

Incl

uded

ang

le, w

hen

not t

he u

ser's

sta

ndar

d, is

show

n.

0,7

6

1.00

11

45°

39

C

5.T

he d

epth

of f

illin

g of

plu

gw

elds

is c

ompl

ete

unle

ss o

ther

wis

e in

dica

ted.

Whe

nth

e de

pth

of ti

lling

is to

ss th

an c

ompl

ete,

the

dept

h of

fillin

g, in

inch

es o

r m

illim

eter

s, is

show

nin

side

the

wel

d sy

mbo

l.

7.P

lug

wel

ds th

at a

re J

be

wel

ded

with

appr

oxim

atel

y flu

sh o

r co

nvex

face

sw

ithou

t

post

wel

d fin

ishi

ng a

re s

peci

fied

by a

ddin

g

the

fiush

or

conv

ex c

onto

ursy

mbo

l to

the

wel

d sy

mbo

l.0°

.76

11

2.50

/1.00 1

.50

11.

003.

00

45°

0°'f,

1

6.P

itch

(cen

ter-

to-c

ente

r sp

acin

g)of

plu

gw

elds

is s

he n

to th

e rig

ht o

f the

wel

d

sym

bol.

.75

40°

8.P

lug

wel

ds w

hose

face

s ar

eto

be

finis

hed

appr

oxim

atel

y flu

sh o

r co

nvex

by p

ostw

eld

finis

hing

are

spe

cifie

d by

addi

ng b

oth

the

appr

opria

te c

onto

ur a

n fin

ishi

ngsy

mbo

l to

the

wel

ding

sym

bol.

Wel

dsth

at r

equi

re a

flat

but n

ot fl

ush

surf

ace

requ

ire a

nd e

xpla

nato

ry

note

In th

e ta

il of

the

sym

bol.

8340

.60

112

.00

G4

1"`

30°

.75

j2.

50

84

Fs.s

.. 1.

Slo

ts in

the

arro

w-w

ide

mem

ber

of a

join

t for

slot

wel

ding

are

indi

cate

d by

pla

cing

the

wel

d sy

mbo

l bel

ow th

e r

)fer

ence

line

. Slo

tor

ient

atio

n m

ust b

e sh

own

on th

e dr

awin

g.

2.S

lots

in th

e ot

her-

side

mem

ber

of a

join

t for

slot

wel

ding

are

indi

cate

d by

pla

cing

the

wel

d sy

mbo

l abo

ve th

e re

fere

nce

line.

3.D

epth

of f

illin

g sl

ot w

elds

is c

ompl

ete

unle

ssot

herw

ise

indi

cate

d. W

hen

the

dept

h of

filli

ngis

less

than

com

plet

e, th

e de

pth

of fi

lling

, in

inch

es o

r m

illim

eter

s, is

sho

wn

insi

de th

ew

eldi

ng s

ymbo

l.

.50

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DE

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IL A

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SLO

TS

PA

RA

LLE

L T

O L

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OF

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4 1

S 5

8 6

4.Le

ngth

wid

th, s

paci

ng,

incl

uded

ang

le o

f

coun

ters

ink,

orie

ntat

ion,

and

loca

tion

of s

lot

wel

ds c

anno

t be

spec

ified

on

the

wel

ding

sym

bol.

The

se d

ata

are

to b

e sp

ecifi

ed o

n

the

draw

ing

or b

y a

deta

il w

ith .r

efer

ence

toit

on th

e w

eldi

ngsy

mbo

l.

<D

ET

C

5.S

lot w

elds

that

are

to b

ew

elde

d w

ith

apt o

xim

atel

yfin

ish

or c

onve

x fa

ces

with

out

post

wel

d fin

ishi

ng a

resp

ecifi

ed b

y ad

ding

the

finis

h or

con

vex

cont

our

sym

bol t

o th

e

wel

d sy

mbo

l.

6.S

lot w

elds

who

sefa

ces

are

to b

efin

ishe

d

appr

oxim

atel

y flu

sh o

r co

nvex

by p

ostw

eld

finis

hing

are

spe

cifie

dby

add

ing

both

the

appr

opria

te c

onto

uran

d fin

ishi

ng s

ymbo

lto

the

wel

ding

sym

bol.

Wel

ds th

at r

equi

re a

flab

but n

ot fl

ush

surf

ace

requ

ire a

n ex

plan

atio

n

note

in th

e ta

il of

the

sym

bol.

C

4288

DR

AW

ING

CA

LLO

UT

.25

GT

AW

GA

ST

UN

GS

TO

N-A

RC

SP

OT

0.25

1.T

he s

ymbo

lfor

all

spot

or

proj

ectio

n w

elds

is

a ci

rcle

,reg

ardl

ess

ofth

e w

eldi

ngpr

oces

s

used

. The

reis

not

atte

mpt

to p

rovi

de

sym

bols

ford

iffer

ent w

ays

of m

akin

g a

spot

wel

d, s

uch

asre

sist

ance

, arc

,an

d el

ectr

on

beam

wel

ding

.T

he s

ymbo

lfor

a s

pot

wel

d is

a ci

rcle

plac

ed:

Bel

ow th

ere

fere

nce

line,

indi

cate

d ar

row

side Abo

ve th

ere

fere

nce

line,

indi

cate

d ot

her

side On

the

refe

renc

e lin

e,in

dica

ting

that

ther

e is

no a

rrow

or o

ther

side

RE

SIS

TA

NC

E S

PO

T

(NO

AR

RO

W O

RO

TH

ER

SID

ES

IGN

IFIC

AN

CE

)

8943

90

2.D

imen

sion

s of

spo

t wel

ds a

resh

own

on th

e

sam

e si

de o

fthe

ref

eren

ce li

ne a

s th

ew

eld

sym

bol.

or o

n ei

ther

sid

ew

hen

the

sym

bol i

s

loca

ted

astr

ide

the

refe

renc

elin

e an

d ha

s

not a

rrow

-sid

e or

oth

ersi

de s

igni

fican

ce.

The

y ar

e di

men

sion

ed b

yei

ther

the

size

or

the

stre

ngth

. The

sid

e is

desi

gnat

ed a

s th

e

diam

eter

of t

he w

eld

at th

efa

ying

sur

face

san

d is

sho

wn

to th

e le

ft of

the

wel

d sy

mbo

lT

he s

tren

gth

of th

e sp

otw

eld

is d

esig

nate

din

pou

nds

or n

ewto

ns p

er s

pot

and

is s

how

n

to th

e le

ft of

the

wel

dsy

mbo

l.

//71-

27:T

\

SP

EC

IFY

ING

DIA

ME

TE

R O

FS

PO

T

7-T

5-C

Y<

SP

EC

IFY

ING

ST

RE

NG

TH

OF

SP

OT

it; .120 ..1

44

3.T

he p

roce

ss r

efer

ence

is to

be in

dica

ted

in

the

tail

of th

e w

eldi

ngsy

mbo

l.

RS

W

4.W

hen

proj

ectio

n w

eldi

ngis

use

d, th

e sp

otw

eld

sym

bol i

s us

ed a

ndth

e pr

ojec

tion

wel

ding

pro

cess

isre

fere

nced

in th

e ta

il of

the

sym

bol.

The

spo

twel

d sy

mbo

l is

loca

ted

abov

e or

bel

ow (

not o

n)th

e re

fere

nce

line

to

desi

gnat

e on

whi

ch m

embe

rth

eem

boss

men

t is

plac

ed.

5.T

he p

itch

(cen

ter-

to-c

ente

rsp

acin

g) is

show

n to

the

right

of t

hew

eld

sym

bol.

150

0 6.

00

9 ''

6.W

hen

spot

wel

ding

ext

ends

less

than

the

dist

ance

bet

wee

nab

rupt

cha

nges

in th

e

dire

ctio

n of

the

wel

ding

or

less

than

the

full

leng

th o

f the

join

t, th

e ex

tent

is d

imen

sion

ed.

.18

W 2

.00

24.0

02.

50

(A)

DR

AW

ING

CA

LLO

UT

2.50

2 00

2.00

2,00

INT

ER

( R

ET

AT

ION

SS45

Whe

re th

eex

pose

d su

rfac

eof

eith

er

mem

ber

of a

spot

wel

ded

join

t is

to b

e

wel

ded

with

appr

oxim

atel

yflu

sh o

r co

nvex

face

s w

ithou

tpost

wel

d fin

ish,

that

sur

face

is

spec

ified

by

addi

ng th

eflu

sh o

r co

nvex

cont

our

sym

bolt

o th

e w

eld

sym

bol.

8.S

pot w

elds

who

se fa

ces

are

to b

e fin

ishe

d

appr

oxim

atel

yflu

sh, o

r co

nvex

by p

ostw

eld

finis

hing

are

spec

ified

by

addi

ng b

oth

the

appr

opria

te c

onto

uran

d fis

hing

sym

bol t

o

the

wel

ding

sym

bol.

Wel

dsth

at r

equi

res

a

flat b

ut n

otflu

sh s

urfa

cere

quire

and

expl

anat

ory

note

in th

e ta

il of

the

sym

bol.

M\_

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MA

CH

INE

.>F

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0

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CA

LLO

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ET

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ION

II.R

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2.00

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ELD

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1.61

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SE

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ELD

EX

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NG

ST

EN

AR

C)

SE

AM

WE

LD

BE

ST

CO

PY

AV

AIL

AB

LE

1.T

he s

ymbo

l for

all s

eam

wel

dsis

a c

ircle

trav

erse

d by

two

horiz

onta

l par

alle

llin

es.

Thi

s sy

mbo

l is

used

of a

ll se

amw

elds

rega

rdle

ss o

f the

way

they

are

mad

e.T

he

seam

wel

dssy

mbo

l is

plac

ed(1

) be

low

the

refe

renc

e lin

e to

indi

cate

arr

oww

ide,

(2)

abov

e th

e re

fere

nce

line

to in

dica

teot

her

side

, and

(3)

on

the

refe

renc

eH

ine

to in

dica

te

that

ther

e is

not

arro

w o

rot

her

side

sign

ifica

nce.

2.D

imen

sion

s of

sea

mw

elds

are

sho

wn

onth

e

sam

e si

deof

the

refe

renc

elin

e as

the

wel

d

sym

bol o

r al

loth

er e

ither

sid

ew

hen

the

sym

bol i

s ce

nter

edon

the

refe

renc

e lin

e.

414

.544

/

SP

EC

IFY

ING

WID

TH

OF

WE

LD

r .

SP

EC

IFY

ING

ST

RE

NG

TH

OF

WE

LD

9'47

96

3.T

he p

roce

ssre

fere

nce

isin

dica

ted

in th

eta

il

of th

ew

eldi

ng s

ymbo

l.

4.T

he le

ngth

of a

sea

mw

eld,

whe

nin

dica

ted

on th

ew

eldi

ng s

ymbo

l,is

sho

wn

toth

e rig

ht

of th

e w

eld

sym

bol.

whe

nse

amw

eldi

ng

exte

nds

for

the

full

dist

ance

betw

een

abru

pt

chan

ges

in th

edi

rect

ion

ofth

e w

eldi

ng,

not

leng

thdi

men

sion

sne

eds

to b

esh

own

on th

e

wel

ding

sym

bol.

Whe

n a

seam

wel

dex

tend

s

less

than

the

full

leng

th o

f the

join

, the

exte

nd o

f the

wel

d sh

ould

be s

how

n.

.25

3gE

8.00

<

1111

1,11

1111

1/11

1111

111M

i-

2.00

.25

12 0

0

5.T

he p

itch

of a

nIn

term

itten

t sea

mw

eld

is

show

n as

the

dist

ance

betw

een

cent

ers

or

the

wel

din

crem

ents

. The

pitc

h is

show

n to

the

right

oft

he le

ngth

dim

ensi

on.

2:0C

-4:

00

6.W

hen

the

expo

sed

surf

ace

of e

ither

mem

ber

of a

seam

wel

ded

join

tis

to b

ew

elde

d w

ith

appr

oxim

atel

yflu

sh o

r co

nvex

face

s w

ithou

t

post

wel

dfin

ishi

ng th

atsu

rfac

e is

spec

ified

by

addi

ng th

eflu

sh o

r co

nvex

cont

our

sym

bolt

o

the

wel

dsy

mbo

l.

<

7.S

eam

wel

dsw

ith fa

ces

tobe

fini

shed

appr

oxim

atel

hflu

sh o

r co

nvex

are

spec

ified

by a

ddin

gbo

th th

eap

prox

imat

eco

ntou

r an

d

finis

h sy

mbo

lto

the

wel

ding

sym

bol.

48

It>

/---

PY

AV

AIL

AB

LE98

':DR

A:I.

1G C

ALL

OU

TIN

TE

RP

RE

TA

TIO

N

a=3

NO

T D

ET

AIL

ED

DE

TA

ILE

D

ED

GE

-F L

AN

GE

NO

T D

ET

AIL

ED

DE

TA

ILE

DC

OR

NE

R-F

LAN

GE

ED

GE

-FLA

NG

E W

ITH

ME

LTT

HR

OU

GH

WE

LD

NO

T D

ET

AIL

ED

DE

TA

ILE

D

LG9N

ER

-F L

AN

GE

WIT

HM

ELT

-TH

RO

UG

H W

ELD

.17

7-72

.T1

.09

.25

The

follo

win

g w

eldi

ng s

ymbo

lsar

e in

tend

ed to

be

used

for

light

-gag

em

etal

join

ts in

volv

ing

the

flarin

g

or fl

angi

ng o

fthe

edg

es to

be

join

ed.

1.E

dge-

flang

e w

elds

are

show

n by

the

edge

-

flang

e-w

eld

sym

bol.

2.C

orne

r-fla

nge

wel

ds o

n jo

ints

deta

iled

on th

e

draw

ing

are

spec

ified

by

the

corn

er-f

lang

ew

eld

sym

bol.,

Wel

d sy

mbo

lsar

e al

way

s

draw

n w

ith th

e pe

rpen

dicu

larl

eg to

the

left.

3.C

orne

r-fla

nge

wel

ds o

n jo

ints

not d

etai

led

on

the

draw

ing

are

spec

ified

by

the

corn

er-

flang

e w

eld

sym

bol.

A b

roke

n ar

row

poi

nts

to

the

mem

ber

bein

g fla

nged

.

NO

T D

ET

AIL

ED

DE

TA

ILE

D

ED

GE

F L

AN

Gt7

. DIM

EN

SIO

NS

It

NO

T D

ET

AIL

ED

DE

TA

ILE

D.0

9

CO

RN

ER

-FLA

NG

E D

IME

NS

ION

S

491.

3ES

T C

OP

Y A

VA

ILA

BLE

0 0

4.E

dge-

flang

e w

elds

req

uirin

gco

mpl

ete

join

t

pene

trat

ion

are

spec

ified

by th

e ed

ge-f

lang

e

wel

d sy

mbo

l with

the

mel

t-th

ough

sym

bol

plac

ed o

n th

e op

posi

te s

ide

of th

e re

fere

nce

line.

The

sam

e w

eldi

ngsy

mbo

l is

used

for

join

ts e

ither

det

aile

d or

not

deta

iled

on th

e

draw

ing.

5.C

orne

r-fla

nge

wel

ds r

equi

ring

com

plet

ejo

int

pene

trat

ion

are

spec

ified

by

the

corn

er-

flang

e w

eld

sym

bol w

ith th

em

elt-

thro

ugh

sym

bol p

lace

d on

the

oppo

site

side

of t

here

fere

nce

line.

A b

roke

n ar

row

poi

nts

toth

em

embe

r to

be

flang

ed w

here

the

join

t is

not

deta

iled.

JOIN

T D

ET

AIL

ED

JOIN

T N

OT

DE

TA

ILE

D

6.D

imen

sion

s of

flan

ge w

elds

are

show

n on

the

sam

e si

de o

f the

refe

renc

e lin

e as

the

wel

d sy

mbo

l The

rad

ius

and

the

heig

ht,

sepa

rate

d by

a p

lus

(+)

are

plac

ed to

the

left

of th

e w

eld

sym

bol.

The

rad

ius

and

the

heig

ht r

ead

in th

at o

rder

from

left

to r

ight

alon

g th

e re

fere

nce

line.

R+

TH

IR

;H

WH

ER

E T

WE

LD T

HIC

KN

ES

SH

. H

EIG

HT

OF

FLA

NG

ER

RA

DIU

S O

F F

LAN

GE

7.T

he s

ize

(Thi

ckne

ss)

offla

nge

wel

ds is

spec

ified

by

a di

men

sion

plac

ed a

bove

or

belo

w th

e fla

nge

dim

ensi

ons.

.09

.12+

.05

I.1

24-.

061

.05

50

102