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PRINCIPAL CONFIGURATIONS DIRECTIONS OF THE AXES AND TERMINOLOGY
1. Bed
2. Table or alle!
". Saddle o# !$e !able
%. Col&'(
). S*(dle $ead.
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TestNo.1
Flatness of table surface
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification off'atness of tab'e#*a''et surface.
If t+ere are moret+an one *a''et,rea-ings s+a'' berecor-e- for eac+*a''et b gi%ingnumber.
&recision 'e%e' orstraig+t e-ge an-sna* gauge orautoco''imator
/" aes to be in centerof t+e tra%e'.
630410000.03
NOT5 :5rror s+a'' bef'at to conca%e
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TestNo.2
Parallelism between the Tablesurface & the X axis
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of&ara''e'ism of t+etab'e surface or
of eac+ *a''etsurface to :
Its Mo%ement ont+e sa--'e
If t+ere are moret+an one *a''et,rea-ings s+a'' berecor-e- for eac+*a''et b gi%ingnumber.
Straig+t e-ge,gauge b'ocs an--ia' gauge.
T+e st'us of t+e -ia'gauge is to be *'ace-a**roimate' at 7oring*osition of t+e too'. T+emeasurement ma be
ma-e on a straig+t e-ge'ai- *ara''e' to t+e tab'esurface. If t+e s*in-'e canbe 'oce- t+e -ia' gaugema be mounte- on it. Ifs*in-'e cannot be 'oce-,t+e -ia' gauge s+a'' be*'ace- on t+e s*in-'ecannot be 'oce-, t+e -ia'gauge s+a'' be *'ace- ont+e s*in-'e +ea- s'i-e. " 8 aes to be 'oce-, 9if
a%ai'ab'e
630410000.0;
< Mo%ementof tab'e or
*a''et in/ ais -irection
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TestNo.3
Parallelism between the Table
surface & the Y axis
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of&ara''e'ism of t+etab'e surface orof eac+ *a''etsurface to :
T+e Mo%ement oft+e tab'e sa--'e
on t+e be-.
If t+ere are moret+an one *a''et,rea-ings s+a'' berecor-e- for eac+*a''et b gi%ingnumber.
Straig+t e-ge,gauge b'ocs an--ia' gauge.
T+e st'us of t+e -ia'gauge is to be *'ace-a**roimate' at 7oring*osition of t+e too'. T+emeasurement ma bema-e on a straig+t e-ge'ai- *ara''e' to t+e tab'e
surface. If t+e s*in-'e canbe 'oce- t+e -ia' gaugema be mounte- on it. Ifs*in-'e cannot be 'oce-,t+e -ia' gauge ma bemounte- on it. If s*in-'ecannot be 'oce-, t+e -ia'gauge s+a'' be *'ace- ont+e s*in-'e +ea- s'i-e. /" 8 aes to be 'oce-, 9ifa%ai'ab'e
630 4 10000.0;
< Mo%ement oftab'e or *a''et in/ ais -irection
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TestNo.;
Squareness of the Z axis to thetable surface in the XZ & YZ
planes
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of
Squarenessof %ertica'mo%ement of t+e s*in-'e+ea- to t+e tab'e surfaceor of eac+ *a''et surfaceto :
a in t+e %ertica'*'ane *ara''e' tot+e ais.
b In t+e %ertica'
*'ane *ara''e' tot+e ais
S=uare an- -ia'gauge
T+e st'us of t+e -ia'gauge is to be *'ace-a**roimate' at 7oring*osition of t+e too'. T+e
measurement ma bema-e on a straig+t e-ge'ai- *ara''e' to t+e tab'esurface. If t+e s*in-'e canbe 'oce- t+e -ia' gaugema be mounte- on it. Ifs*in-'e cannot be 'oce-,t+e -ia' gauge ma bemounte- on it. If s*in-'ecannot be 'oce-, t+e -ia'gauge s+a'' be *'ace- ont+e s*in-'e +ea- s'i-e. /
" 8 aes to be 'oce-, 9ifa%ai'ab'e
a 0.01>#300?
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TestNo.>
Squareness between the Z & Xaxis
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:2063
1!62 "#for instructionsfor testing
$e%iations
&ermissib'e (ctua'
)erification of
squarenessof %ertica'mo%ement of t+es*in-'e +ea- to t+emo%ement of :
a T+e tab'e on itssa--'e.
Straig+te-ge,s=uare an- -ia'gauge.
T+e straig+te-ge s+a'' beset *ara''e' to t+e /ais.
T+e 8 ais, s+a'' t+en bec+ece- b means of as=uare stan-ing on t+e
straig+te-ge. If t+es*in-'e can be 'oce- t+e-ia' gauge ma bemounte- on it.
If t+e s*in-'e cannot be'oce-, t+e -ia' gauges+a'' be *'ace- in t+es*in-'e +ea- s'i-e.
For @5A 9*orta' t*e an-@FA 9gantr t*e c+ec t+e
%ertica' mo%ement of t+ecross rai' on t+e co'umnsas 7e''.
0.01>#300?
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TestNo.6
Squareness between the Z & Y
axis
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of
squarenessof s*in-'e+ea- mo%ement to t+emo%ement of :
a T+e tab'esa--'eon t+e be-.
Straig+te-ge,s=uare an- -ia'gauge.
T+e straig+te-ge s+a'' beset *ara''e' to t+e ais.
T+e 8 ais, s+a'' t+en bec+ece- b means of as=uare stan-ing on t+estraig+te-ge. If t+es*in-'e can be 'oce- t+e-ia' gauge ma bemounte- on it.
If t+e s*in-'e cannot be'oce-, t+e -ia' gauges+a'' be *'ace- on t+es*in-'e +ea-.
For @5A 9*orta' t*e an-@FA 9gantr t*e c+ec t+e%ertica' mo%ement of t+ecross rai' on t+e co'umnsas 7e''.
0.01>#300?
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TestNo.B
Squareness between the X & Y
axis
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of
squarenessof t+emo%ement of :
a T+e tab'e on itssa--'e to t+e
mo%ement of t+etab'e sa--'e ont+e be-.
Straig+te-ge,s=uare an- -ia'gauge. T+e straig+te-ge s+a'' be
set *ara''e' to t+e /9ais.
T+e 9/ ais s+a'' t+enbe c+ece- b means ofa s=uare *'ace- on t+etab'e 7it+ one e-geagainst t+e straig+t
0.01>#300?
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TestNo.C
Rotation of the Spindle axis
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
Measurement of*erio-ic aia' s'i* of t+es*in-'e
$ia' gauge stee'ba'' " s*ecia' tac'e
T+e fee'er of t+e -ia'gauge s+a'' be a**'ie- tot+e center of tac'e "a'igne-. ( stee' ba'' s+a''be inserte- to bearagainst center.
Rotate s*in-'econtinuous' at s'o7s*ee- " t+en rea-ings+a'' be recor-e-.
0.00>
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TestNo.!
Runout of spindle Internal taper
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of runout ofinterna' ta*er of t+es*in-'e.
a Near t+e s*in-'enose.
b (t a -istance of300 mm from t+es*in-'e nose.
Test man-re' an--ia' gauge
Test s+a'' be re*eate- forat'east four *ositions of
test man-re' on s*on-'enose. T+e a%erage %a'ueof rea-ings s+a'' be t+emeasure- %a'ue.
a 0.01
b 0.02
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TestNo.10
Squareness of the spindle axis tothe table surface plane alon X
& Y axis
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of
squarenessof s*in-'eais to t+e tab'esurface.
a In t+e %ertica'*'ane *ara''e' to
t+e / ais.b In t+e %ertica'
*'ane *ara''e' tot+e ais.
S*ecia' arm, -ia'gauge an- straig+te-ge.
/ " aes to be 'oce-in t+e center of t+e tra%e'.
a 0.02 for300
b 0.02 for300
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TestNo.12
Squareness of the spindle axisand X axis
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:2063
1!62 "#for instructionsfor testing
$e%iations
&ermissib'e (ctua'
)erification ofs=uareness of t+es*in-'e ais to t+emo%ement of :
T+e tab'e on its sa--'e
Strig+te-ge s*ecia'arm an- -ia'gauge.
" 8 aes to be 'oce-.
T+e straig+t e-ge s+a'' beset *ara''e' to t+e / ais.
0.02 for 300
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TestNo.13
Squareness between the spindle
axis and the Y axis!
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification ofs=uareness of t+es*in-'e ais to t+emo%ement of :
T+e tab'e sa--'e on t+e
be-.
Strig+te-ge, s*ecia'arm an- -ia'gauge.
/ " aes to be 'oce-.
T+e straig+t e-ge s+a'' beset *ara''e' to t+e ais.
0.02 # 300
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TestNo.1;
Squareness between the spindle
axis and the Y axis!
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of straig+tness of :
a T+e 'ongitu-ina'me-ian or
reference T s'otof tab'e or eac+of *a''et.
b T+e trans%erseme-ian orreference tenons'ot of t+e tab'eor eac+ of t+e*a''et.
Strig+te-ge, an--ia' gauge.
/ " aes to be 'oce-.
T+e straig+t e-ge ma be*'ace- -irect' on t+etab'e.
0.01 for an'engt+ of >00mm. Ma*ermissib'e
-e%iation 0.0;.
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TestNo.1>
Parallelism between the
lonitudinal median or reference
slot of the table and the X axis!
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of t+e*ara''e'ism of t+e'ongitu-ina' me-ian orreference Ts'ot of t+etab'e in-ee- at 0D, to t+emo%ement of :
a T+e tab'e on itssa--'e.
$ia' gauge.
" 8 aes to be 'oce-.If t+e s*in-'e can be'oce- t+e -ia' gaugema be mounte- on it. Ift+e s*in-'e can not be'oce-, t+e -ia' gauges+a'' be *'ace- on t+es*in-'e +ea- s'i-e.
4 ;000.01>;00 4 6300.02>630 4 10000.0;1000 E 20000.06
< engt+ of s'ot
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TestNo.16
Squareness between the median
or reference slots of the table
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:2063
1!62 "#for instructionsfor testing
$e%iations
&ermissib'e (ctua'
)erification of t+es=uareness of t+etrans%erse me-ian orreference tenon s'ot oft+e tab'e to t+e'ongitu-ina' me-ian orreference Ts'ot.
Straig+te-ge,s=uare an- -ia'gauge.
T+e straig+te-ge s+a'' beset *ara''e' to t+e'ongitu-ina' s'ot. T+etrans%erse s'ot s+a'' t+enbe c+ece- b means ofs=uare *'ace- on t+etab'e 7it+ one e-geagainst t+e straig+t e-ge.
0.01#300
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TestNo.1B
Rotation of the " axis
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:2063
1!62 "#for instructionsfor testing
$e%iations
&ermissib'e (ctua'
a Measurement oft+e runout of t+e'ocation bore of t+econtinuous rotartab'e of eac+ *a''et.
b Measurement of
camming of t+e faceof t+e integra' rotartab'e.
a $ia' gauge.
b $ia' gauge
" 8 aes to be 'oce-.If t+e s*in-'e can be'oce- t+e -ia' gaugema be mounte- on t+es*in-'e. If t+e s*in-'ecannot be 'oce-, t+e -ia'gauge s+a'' be *'ace- ona fie- *art of t+e
mac+ine.
c 0.01>
- 0.02 >u*to ra-ius2>0? (--0.00> foreac+ 100
mm increasein ra-ius.
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TestNo.1C
Relati#e position between thereference T$slot of the table and
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of intersectionof t+e center 'ine of t+e'ongitu-ina' me-ian orreference Ts'ot of t+etab'e 7it+ t+e ais ofrotation.
Straig+te-ge,gauge b'ocs an--ia' gauge.
it+ t+e rotar tab'e*ositione- suc+ t+at t+es'ot is a**roimate'*ara''e' to t+e / ais, -ia'gauge is Geroe- againststraig+t e-ge 7+ic+ ist+en remo%e- an- tab'e
in-e t+roug+ 1C0D.Straig+t e-ge re*'ace-against ot+er si-e ofgauge b'ocs an- ne7-ia' gauge rea-ing gi%est+e error.
0.02>
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TestNo.1!
Indexin %ccurac of Table
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
.
)erification ofin-eing accurac oftab'e 7it+
a ;!0D in-eing*osition.
9$iscrete *osition
b (utomatic*ositioning for HHin-eing an-rotation 7it+ rotarmi''ing ca*acitcontinuous rotartab'e.
Master s=uare "-ia' gauge
OR
(utoco''imator "
-ia' gauge
Set t+e master s=uare*ara''e' to / ais -irection "c+ec -e%iations after eac+in-eing of !0D, 1C0D, "2B0D.
OR
Set o*tica' *o'gon mirrora**roimate' suitab'e*osition for taing rea-ings
in a fie- -irection 7it+*ro*er a'ignment bet7een*o'gon mirror an-autoco''imator. In bot+ t+ecases, tae t+e initia'*osition as reference.&erform t+e *ositioning int+e same -irection 7it+ra*i- s*ee- rate an-measure -istance at t+eeac+ *osition, bet7een t+eactua'' rotate- ang'e from
t+e reference *osition " t+eang'e oug+t to rotate9comman- ang'e. T+emaimum -ifference oft+ese %a'ues 7it+in onerotation is t+e in-eing errorof t+e tab'e.
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TestNo.1!
Rotation of the " axis
Z X Y
Figure ObjectMeasuringinstrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
NOT5 : In case of amac+ine too' *ro%i-e-7it+ continuous*ositioning function ofrotar motion, it isrecommen-e- to *erformt+e measurement at eac+30D or 12 *'aces t+roug+out tota' Gone of t+erotating range. T+e*ositioning s+a'' be*erforme- in bot+
-irection of rotation. T+emaimum %a'ue amongstt7o %a'ues s+a'' be t+emeasure- %a'ue.
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TestNo.20
Indexin Repeatabilit of Table
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
.
)erification ofin-eing re*eatabi'itof tab'e 7it+
a ;!0D in-eing*osition.
9$iscrete *osition
b (utomatic*ositioning forin-eing an-rotation 7it+rotar mi''ingca*acitcontinuous rotartab'e.
Master s=uare "-ia' gauge
OR
(utoco'imator "
*o'gon
Set t+e master s=uare*ara''e' to / ais -irection "c+ec -e%iations after eac+in-eing of !0D, 1C0D, "2B0D.
OR
Set o*tica' *o'gon mirrora**roimate' at tab'e
center an- estab'is+suitab'e *osition for taingrea-ings in a fie- -irection7it+ *ro*er a'ignmentbet7een *o'gon mirror an-autoco'imator.
NOT5 :In bot+ cases, 9a " bmeasurements s+a'' betaen b re*eating se%entimes of *ositioning to a
*oint from t+e same-irection in ra*i- fee- ratean- obtain of t+emaimum -ifference ofrea-ings.
a H ; sec.Of an arc.
b H 10 sec.Of an arc.
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TestNo.20
Rotation of the " axis
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
T+e measurement for amac+ine too' *ro%i-e-7it+ continuous*ositioning function forrotar motion s+a'' be*erforme- on res*ecti%e*ositions of arbitrar 3*oints 7it+in t+erotationa' range. J(F oft+e maimum %a'ueamong t+e obtaine-%a'ues +a'' be taen ast+e measure- %a'ue 7it+Hsign.
T+e *ositioning s+a'' be*erforme- in bot+-irection of rotation. In
7+ic+ case t+e maimumof t7o measure- %a'uess+a'' be t+e fina'measure- %a'ue.
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TestNo.21
%ccurac of buttin surfaces
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
.
)erification ofaccurac of -istancebet7een t+e centre of*a''et an- buttingsurfaces.
Kauge b'oc,s'i* gauge, -ia'gauge.
Measure t+e -istancebet7een center an-bui'-ing faces of eac+ *a''etan- enter t+e -e%iations fora'' *a''ets.
H 0.01
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TestNo.22
Rotation of the " axis
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
NOTES :
1. If there are more than one pallet,readings shall be
)erification of run outof *a''et to* face at;!0D *ositions.
Kauge b'oc an--ia' gauge.
OR
S'i* gauge an- -ia'gauge.
Set t+e -ia' gauge on t+es*in-'e +ea-, ee* gaugeb'ocs on *a''et face an-set Gero.
In-e *a''et t+roug+ !0D,1C0D " 2B0D *osition an-note t+e -e%iations in t+e
rea-ing at eac+ *osition.T+e maimum -ifferenceof rea-ings s+e'' be t+emeasure- -e%iation.
0.02 for >00
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TestNo.23
%ccurac of repeatabilit of
pallets
Z
X Y
Figure ObjectMeasuringinstrument
Reference to IS:2063
1!62 "#for instructionsfor testing
$e%iations
&ermissib'e (ctua'
)erification ofaccurac ofre*eatabi'it of same*a''et in /, " 8aes, 7+en 'oa-e-on in-e tab'e from*a''et c+anger.
$ia' gauge an-gauge b'oc
Set t+e mac+ine at *a''etc+ange *osition an- sett+e -ia' gauge 7.r.t *a''etfrom / ais, ais " 8ais -irectionsres*ecti%e' t+roug+ agauge b'oc. Re*eat t+e
*a''et c+ange cc'eat'east 3 times.
Note t+e rea-ings at eac+c+ange. T+e maimum-ifference in t+e rea-ings< s+a'' be measure--e%iations.
0.02 in /, " 8-irection
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TestNo.2;
%ccurac of repeatabilit ofpallets
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification of inter*a''et -ifferencere'ati%e to *a''etc+ange.
$ia' gauge an-gauge b'oc
Set t+e mac+ine at *a''etc+ange *osition an- sett+e -ia' gauge 7.r.t *a''etfrom 8 ais 7it+ t+e +e'*of gauge b'oc. Re*eat*a''et c+ange cc'eat'east 3 times. Note t+erea-ing at eac+ c+ange.
Re*eat t+e *roce-ure fora'' t+e *a''ets t+e ma.-ifference of t+eserea-ings s+a'' be t+emeasure- -e%iation.
0.030
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TestNo.2>
%ccurac of repeatabilit ofpallets
Z X Y
Figure Object
Measuring
instrument
Reference to IS:20631!62 "#for instructions
for testing
$e%iations
&ermissib'e (ctua'
)erification ofre*eatabi'it ofeac+ ais. 9 /, "8
Kauge b'oc an--ia' in-icatorORaser 'engt+measuringinstrument.
Set t+e mac+ine at*a''et c+ange *ositionan- set t+e -ia' gauge7.r.t *a''et from 8 ais7it+ t+e +e'* of gaugeb'oc. Re*eat *a''etc+ange cc'e at'east 3
times. Note t+e rea-ingat eac+ c+ange.Re*eat t+e *roce-urefor a'' t+e *a''ets t+ema. -ifference oft+ese rea-ings s+a'' bet+e measure--e%iation.
0.030
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