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Technical InfoTRANSCRIPT
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***
*
*
(O
m)
Te
chni
cal D
ata
Exce
rpt f
rom
JIS
B04
01(19
99)
Dr
awin
g M
anua
l"in
JIS
How
to U
se"
Serie
sDe
scrip
tion
of F
its/
Grap
hica
l Rep
rese
ntat
ion
of S
tand
ard
Fits
Appl
icat
ion
Exam
ple
Func
tiona
l Cla
ssifi
catio
nAp
plic
able
Par
t
Fixing
the R
im o
f a D
rive G
ear a
nd a
Boss
Tog
ether
Atta
chin
g an
d Fi
xing
a B
earin
g Bu
sh
Inse
rtion
of a
Suc
tion
Valv
e an
d Va
lve
Guid
eFix
ing a
Coup
ling F
lange
and a
Shaft
Toge
ther(
High T
orque)
Atta
chin
g an
d Fi
xing
a B
earin
g Bu
sh
Coup
ling
and
Shaf
t
Inse
rtion
of a
Suc
tion
Valve
and
Valv
e Gu
ide
Fixing
a Ge
ar an
d a S
haft
Toge
ther(
Low
Torq
ue)
Shaft
of a
Flex
ible C
oupli
ng an
d a G
ear(
Drive
Side)
Flexib
le-Ax
is Co
uplin
g an
d Ge
ar(Pa
ssive
Sid
e)Pr
ecisi
on F
ittin
gIn
serti
on o
f a S
uctio
n Va
lve a
nd V
alve
Guid
e
Ream
er B
olt
Fixing
the p
iston
of hy
drauli
c equ
ipmen
t and
a sh
aft to
gethe
rFit
ting
a Co
uplin
g Fla
nge
and
a Sh
aft T
oget
her
Ream
er B
olt t
o Fi
x th
e Sh
aft o
f a G
ear P
ump
and
a Ca
sing
Tog
ethe
r
Fitti
ng C
oupl
ing
Flan
ges
Toge
ther
Gove
rnor
Pat
h an
d Pi
nFi
tting
a G
ear R
im a
nd a
Bos
s To
geth
er
Fitti
ng a
rim
and
a b
oss
toge
ther
.Fi
tting
the
gear
of a
pre
cisi
on g
ear d
evic
e.
Link
Dev
ice
Pin
and
Leve
rKe
y an
d its
Gro
ove
Prec
isio
n Co
ntro
l Val
ve R
od
Part
in wh
ich a
coole
d exh
aust
valve
box i
s ins
erted
.Re
gula
r Sha
ft an
d Bu
shLi
nk D
evic
e Le
ver a
nd B
ush
Fitti
ng o
f the
Exh
aust
Val
ve B
oxM
ain
Bear
ing
for t
he C
rank
shaf
tRe
gula
r Slid
ing
Part
Cran
k W
eb a
nd P
in B
earin
g(Si
de)
Exha
ust V
alve B
ox an
d the
Slidi
ng Pa
rt of
a Spr
ing Be
aring
Pist
on R
ing
and
the
Ring
Gro
ove
Pist
on R
ing
and
Ring
Gro
ove
Fitti
ng b
y m
eans
of a
loos
e se
t pin
.
Cons
ider
able
forc
e ca
nbe
tran
smitt
ed b
y th
efit
ting
forc
e alo
ne.
Slig
ht fo
rce
can
betra
nsm
itted
by
the
fittin
g fo
rce
alon
e.
Force
cann
ot be
tran
smitte
dby
the f
itting
forc
e alon
e.
Hard
to d
isas
sem
ble
with
out d
amag
ing
com
pone
nt p
arts
.
Can be
disass
emble
d/re-a
ssemb
ledwi
thou
t dam
agin
gco
mpo
nent
par
ts.
Part
requ
ired
to m
ake
a pr
ecis
ion
mot
ion
with
virt
ually
no
play
.
Regu
lar F
ittin
g
Regu
lar R
otar
y or
Slid
ing
Part
Cost
nee
ds to
be
redu
ced.
(Of
ten
com
es a
part.)
(M
ust b
e w
ell g
reas
ed.)
Mai
nten
ance
Cos
tM
anuf
actu
ring
Cost
Long
Infla
tes.
Lar
ge p
ositi
on e
rror
Part
whos
e stru
cture
need
s a ga
p.
Firm
ly co
upled
toge
ther
and
requ
ires s
hrink
age p
ress
fitti
ng, c
old p
ress
fitti
ng o
r for
ced
pres
s fitt
ing. P
erm
anen
t ass
embly
, whic
h ca
n no
t com
e apa
rt. P
ress
fitti
ng o
r the
like i
s
requ
ired
for l
ight a
lloy m
embe
rs.
Fittin
g wh
ich re
quire
s muc
h fo
rce f
or as
sem
bling/
disas
sem
bling
. Shr
inkag
e pre
ss fi
tting
,co
ld p
ress
fitti
ng o
r for
ced
pres
s fit
ting
is re
quire
d fo
r lar
ge c
ompo
nent
par
ts.
Fitti
ng w
hich
requ
ires
cons
ider
able
forc
e fo
r ass
embl
ing/
disa
ssem
blin
g.Pr
ecis
ion
stat
iona
ry fi
tting(
a ke
y or
the
like
is n
eces
sary
for h
igh-
torq
uetra
nsm
issi
on p
urpo
ses)
Fittin
g whic
h req
uires
muc
h for
ce fo
r ass
embli
ng/d
isass
embli
ng(a k
ey or
the l
ike is
nece
ssar
yfor
high
- tor
que t
ransm
ission).
Light
pres
s fitti
ng or
the l
ike is
nece
ssary
for n
on-fe
rrous
comp
onen
tpa
rts. S
tanda
rd pr
ess f
itting
is re
quire
d for
iron c
ompo
nent
parts
and a
bron
ze pa
rt an
d a co
pper
part.
Requ
ires
an ir
on h
amm
er o
r han
d pr
ess
for a
ssem
blin
g/di
sass
embl
ing.
Prec
isio
n po
sitio
ning
whi
ch a
llow
s no
gap
.
Fittin
g wh
ich re
quire
s an
iron
ham
mer
or h
and
pres
s fo
r ass
embl
ing/
disa
ssem
blin
g(
a ke
y or
the
like
is n
eces
sary
to p
reve
nt in
ter-
part
shaf
t rot
atio
n).
Prec
isio
n po
sitio
ning
.
Fitti
ng w
hich
acc
omm
odat
es a
ligh
t gap
.Pr
ecis
ion
fittin
g w
hich
lock
s bo
th p
arts
whi
le th
e un
it is
use
d.Fit
ting
which
allo
ws a
ssem
blin
g an
d di
sass
embl
ing
with
a w
oode
n or
lead
ham
mer
.
Fittin
g so a
s to p
erm
it mov
emen
t by h
and,
with
a lub
rican
t app
lied.(
high-
quali
ty po
sition
ing)
Spec
ial H
igh-
Prec
isio
n Sl
idin
g Pa
rtUn
impo
rtant
Sta
tiona
ry P
art
Cont
inuo
usly
rota
ting
part
of a
pre
cisi
on m
achi
ne u
nder
a li
ght l
oad.
Fitti
ng w
ith a
nar
row
gap
so
as to
per
mit
mov
emen
t(sp
igot
and
pos
ition
ing)
.Pr
ecis
ion
slid
ing
part.
Fittin
g so
as
to p
rovid
e an
app
ropr
iate
gap
to p
erm
it m
ovem
ent(
high
-qua
lity
fittin
g).
Regu
lar n
orm
al-te
mpe
ratu
re b
earin
g lu
brica
ted
with
gre
ase
or o
il.
Part
whi
ch a
ccom
mod
ates
a w
ide
gap
or n
eeds
a g
ap.
Fairl
y w
ide
gap,
wel
l gre
ased
bea
ring.
Beari
ng su
bjecte
d to a
high
temp
eratur
e, hig
h spe
ed an
d hea
vy lo
ad (h
igh-d
egree
force
d lub
ricati
on).
Part
whi
ch a
ccom
mod
ates
or n
eeds
a g
ap.
Part
which
acco
mm
odate
s a w
ide g
ap o
r mov
ing p
art w
hich
need
s a g
ap. P
art w
hich
acco
mm
odate
s a w
ide g
ap to
facil
itate
asse
mbli
ng. P
art w
hich
need
s an
appr
opria
te ga
pev
en at
a hig
h tem
pera
ture
.
Can Be Moved Relatively
Clearance Fit
Loose Fit Sliding Fit Push Fit Driving Fit Light Press Fit Press Fit Strong Press Fit, Shrinkage Fit, Freeze FitRoll Fit Fine Roll FitLight Roll Fit
Cannot Be Moved Relatively
Transition Fit Interference Fit
Dimension Tolerance
Refer
ence S
haft
*Va
lues
in c
ases
whe
re th
e m
easu
rem
ent e
xcee
ds th
e re
fere
nce,
18
mm
, but
doe
s no
t exc
eed
30 m
m.
Class
of To
leran
ceRa
nge f
or H
ole
Clea
ranc
e Fit
Interf
erenc
e Fit
Transi
tion F
itCle
aranc
e Fit
Class of
Tolera
nce Ra
nge for
Shafts
Refe
renc
e Ho
le
* V
alue
s in
cas
es w
here
the
mea
sure
men
t exc
eeds
the
refe
renc
e, 1
8 m
m, b
ut d
oes
not e
xcee
d 30
mm
.
1.2
Inte
rrela
tion
betw
een
Tole
ranc
e Ra
nges
-Fitt
ing
with
Reg
ular
ly U
sed
Hole
Ado
pted
as
Refe
renc
e
Note:*
An e
xcep
tion
may
aris
e ac
cord
ing
to th
e di
men
sion
al s
ectio
ning
sch
eme.
2.2
Inte
rrela
tion
betw
een
Tole
ranc
e Ra
nges
-Fitt
ing
with
Reg
ular
ly Us
ed S
haft
Adop
ted
as R
efer
ence
Note:*
An e
xcep
tion
may
aris
e ac
cord
ing
to th
e di
men
sion
al s
ectio
ning
sch
eme.
Refer
ence S
haft
Clas
s of
Tol
eran
ce R
ange
for S
hafts
Clea
ranc
e Fi
tTr
ansit
ion F
itIn
terfe
renc
e Fi
tIn
terfe
renc
e Fi
tTr
ansit
ion F
itCl
eara
nce
Fit
Clas
s of
Tol
eran
ce R
ange
for S
hafts
Refer
ence
Hole
2.1
Fitti
ng, w
ith R
egul
arly
Use
d Sh
aft A
dopt
ed a
s Re
fere
nce
1.1
Fitti
ng, w
ith R
egul
arly
Use
d Ho
le A
dopt
ed a
s Re
fere
nce
Dimension Tolerance
Clearance Fit
Clearance Fit
Clearance Fit
Transition Fit
Interference Fit
Sliding Fit
Driving Fit
Strong Press Fit
Shrinkage Fit
Loose Fit
Roll Fit
Light Roll Fit
Press Fit
Clearance Fit
Transition Fit
Transition Fit
Interference Fit
Interference Fit
Clearance Fit
Clearance Fit
Clearance Fit
Clearance Fit
Fit
Fit