Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

इंटरनेट मानक

“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda

“Invent a New India Using Knowledge”

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“Step Out From the Old to the New”

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“The Right to Information, The Right to Live”

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“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 4966-2 (1969): Gauges for Serrations, Part II: ForGauging Internal Serrations [PGD 25: Engineering Metrology]

I IS : 4966 ( Part II ) - 1999 i ( Reaffirmed 1988)

Indian Standard

) SPECIFICATION FOR GAUGES FOR SERRATIONS

PART II FOR GAUGING iNTERNAL SERRATIONS

( Third Reprint AUGUST 1990) . -.

. l

l .*

UDC 621’753’3 : 621’824’44

/

__

BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 11OCO2

. Grct Ju& 1969

L --

B3:4966(PartII)-1969

Indian Standard .

SPECIFICATION FOR GAUGES FOR SERRATIONS

PART II FOR GAUGING INTERNAL SERRATIONS

Trammission Devices Sectional Committee, EDC 44

CtiTlllOn

SRRJ L. N. TANM~N

Re#menting Tata Engineering & Locomotive Co Ltd,

Jamshcdpur

SXRI -TAR SINOH ( AUematr to Shri L. N. Tandon )

SRPI R. S. BIR S~nt&f, RANGASBAI ( Altemak)

Hindustan Machine Tools Ltd, BangaIore.

DEPU~ Dmecroa STN~DARIM Research, Designs & Standards Organization (DP) ( Ministry of Railways ), Lucknow

~LYTANT DIRECTOR STANDARDS ( DP ) ( Alfcmate )

Sm M. B. DHAVALE Indian Diesel Engine Manufacturers’ Auodation, Poona

SHRI S. K. JOSHI ( Altmtak ) SXRK VmAYa MAHADEO GADRE Cadre Brothers, Madhavnagar

Swax GOPAL ~IARADEO GADRE ( Altmak )

S~lu P. L. Jm Jyoti Limited, Baroda Snax GXRZSHBXAZ C. PATEL ( A&m&)

SIIRI V. R. KRBHNAYM~~THY Tube Investments of India Ltd, Madras SHU M. L. KUBAAR Minky of Defena ( DGI )

SHRI RAM SINW ( Altcmats ) SxaxD. I&~~ARENHAS David Brown Greavea Ltd, Poona

Snar M. NAOARAJ ( Al&ma&) SXRI J. V. RAOHAVAN New Allenberry Works, Calcutta SW S. SHANMUGAM Southern Industrial Corporation Ltd, Madrag SXRI N. c. SuKHARAhtWALh The Mysore Kirloskar Ltd, Haribar SRR~ V. VENKATAWAN

&RI S. V. MANX (Aftem&) Greaves Cotton & Co Ltd, Bmnbay

SHRI D. S. M. Vmmu S~R.I M. V. PATANKAR,

Heavy Electricah (-India ) Ltd. Bhaplrl

Director ( Mech Engg ) Director General, IS1 (&-&io Me&r)

slsnhrj, Smtr c. v. Ravnmurr

Assirtant Director ( Mech EG 1, IS1

( Conlinwd on @age 2 )

BUREAU OF INDI’AN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

Splints and Scrratims Subcommittee, EDC 44 : 4

CoMmrr SHIU R. S. BXR

iwmbcrs

R4nuntins .

Hmduuan Machine Toolr Ltd, Bangalore

SUaI M. RANoAswI ( AlUma& to Shri R S. Bit )

CEmYENamnm Iicavy Electricals (India) Ltd, Bhopal &RI R bMANATkiAN (~~ktIotC)

Satu D. C. Kowu . Hindustan Motors Ltd, Calcutta smu K. s. MrmiAa smu .v.RAGliAVA?J

Automobile Products of India Limited, Bombay New Allenberry Works, Calcutta

SnRt ic SURYANARAYANA RAO &BI G: K. RUZKAR

Ashok Leyland Limited, Madras The MysorcKirloskar Ltd. Harihar

2

IS:4966fPartII;-1969

Indian Standard SPECIFICATION FOR

GAUGES FOR SERRATIONS

PAR?’ II FOR GAUGING INTERNAL SERRATIONS

0. FOREWORD

0.1 This Indian Standard ( Part II ) was adopted by the Indian Standards Institution on 9 January 1969, after. the draft finalized by the Transmission Devices Sectional Committee had been approved by the Mechanical Engineering Division Council.

0.2 This standard has been prepared with a view to assisting the industry ia making gauges corresponding to the system of limits and fits recommended in IS : 919-1963* and also in order to help the industry in obtaining uniformity in design and variety reduction of gauges. Only the important dimensions of gauges have been covered in the standard, leaving the other details to the discretion of the manufacturer.

0.3 For various symbols and definitions, which are similar to the symbols and definitions for splines, IS : 3665-1966t may be referred.

0.4 In the ,preparation of this ,standard, considerable assistance has been derived from the following standards, issued by the Deutscher Normenausschuss:

DIN 2262 ( Blatt 1 )-1955 Kerbzahn - Gutlehrdorne fur Kerbver- zahnungen 7 x 8 bis 26 x 30 nach DIN 5481 Blatt 1 ( Sheet 1, ‘ GO ’ plug gauges for serrations 7 x 8 to 26 x 30 according to DIN 5481 Sheet 1 ).

DIN 2262 ( Blatt 2 )-I955 Kerbzahn - Gutlehrdorne fur Kerbverza- hnungen 30 x 34 bis 120 x 125 nach DIN 5481 Blatt 1 ( Sheet 2, c GO ’ plug gauges for serrations 30 x 34 to 120 x 125 according to DIN 5481 Sleet 1 ).

DIN 2263 ( Blatt 1 )-1955 Kerbzahn - Ausschusslehrdorne fur Kerbverzahnungen 7 x 8 bis 26 x 30 nach DIN 5481 Blatt 1 ( Sheet 1, ‘ NOT GO ’ plug gauges for serrations 7 x 8 up to 26 x 30 according to DIN 5481 Sheet 1 ).

DIN 2263 ( Blatt 2 )-1955 Kerbzahn - Ausschusslehrdorne fur Kerbvenahnungen 30 x 34 bis 120x 125 nach’DIN 5481 ,Blatt 1

l Rcco~endationa for limits and fits for engineering ( mid). _’ -%

pimeB&m for involute #ided @la.

3

( Sheet :2, ‘NOT GO’ plug ga Yes

for suTations 30 x 34 to 120 x 125 according to-DIN 5481 hect 1).

DIN 5481 ( Blatt 2 )A955 Kerbzahnnaben - und Ke&zahnwell& - Profile ( Kerbverzahnungen ) Lchrung da. Kerbzahnnaben, Lehrenmasse ( Sheet 2, gauging of serrated hubs, gauge dimension ).

05 For the purpose of deciding whether a particular requirement of this cr

standard is complied with, the final value, observed or calculated, expressing the tit of a test, shall be rounded off in accordance with IS : 2-1968*. The number of significant places retained in the rounded off value should he the same as that of the specified value in this standard.

1. SCOPE

1.1 This standard covers the main dimensions for GO and NOT GO gauges for internal set-rations according to IS : 3654-1966t.

2. TERMlNOLOGY

2.0 For the purpose of this standard, the following definitions shall apply.

2.1 GO Gauge- The gauge used to check the limit of size which correspond to the maximum matizrial condition‘that is the upper limit of a shaft or the lower limit of a hole.

2.2 NOT GO Gauge -The gauge used to check the .limit of size which corresponds to the minimum material condition that is the lower limit of

* a shaft or the upper limit of a hole.

3.MMERIAL

3.1 Gauge Members - The gauging members of gauges shall be made of suitable wear resisting steel such as C85 of 1% 1570-1961$.

33 Handles - The handles for gauges shall ue made of any suitable steel. For heavier plain plug gauges, the handles may be made of light metal alloys. Suitable non-metallic handles may also be provided in the case of smaller plain plug gauges.

‘4. DIMENSIONS AND TOLERANCES

4.1 GO Gauge- The dimensions of GO gauges for internal serrations shall be as given in Tables 1 and 2.

4.2 NOT GO Gauge- The dimensions for NOT GO gauges for intamal scrrations shall be as given in Tables 3 and 4.

*Rules for rounding off numerical valuw ( raird). . ~Dimcluiolls for straight aided scnations. $Scbahlcs far wxwgbs rtak for general cngindg purposa.

TABLE 1 DR&RNSIONS FOR GO GAUGES FOR INTERNAL SRRRATIONS

( Clauw 4.1 and 6;2 )

All dimensions in milbmetrcx.

15x17 0.30 17x20~ 0.35 21x24 0.5 26x30 0.6

30x34 0.7 - 36x40 0.7 40x44 a+3 45 x50 0.8

50x55’

i

0.9 55x60 1.0

zz% f:Z

70x75 1.2 75x80 1.2 80x85 1.2 85x90 I.2

90x95 1.2

J%!? f8 105x 110 1.2‘

110x115 1.2 115x 120 1.2 120x 125 l-2

4

__

.-

.-

I. I

i I

I

i

__

-

2% 1 I a909 14.114

i: 6 6

17.349 J9*99a 23.747 30.129

6

: 9

34.397 40.744 44.991 $0.755

.__- 730 O-486 7.82’ 6.91 7.1 3o” 12’51’26’ t3 9400 0.583

il.71 I 9.81 8.26 a.3 30° 1; 12’51’26’ f3

I 1 *ooo 0.665 10.20 10.3 13.ooo 0.760 13.91 I

f3 12.06 12.2 ;;: 1;: $36’46’ f4

16WO 0.907 3o” 1 J015’ *4 18%JO I.016 ;;I 1:

9: 10°54’3Y 10+5’18~

f4 22wO I.173 f5 2a@OO 1.451 3o” 9' IfI0 I 7’9. f5

32.000 1.612 3o” IO0 *5 38@Oa 1.862 ;: 9O43’47’ f5 42.000 2.004 :8 47.500 2.209 30: ;: 9028’25” f6

9”13’51’ i6

52.500 2.300 54.56 49.72 1 50.2 9’ go *6 57.500 2483 59.66

I 54.76 55.2 $I 8’34’17’

62.536 2.851 64.66 1 5944 60.2 31°30’ 67.500 2.707 6964 1

;: :f 64.35 I 65.2 29’30’ a* :146’50’ f8

72.432 2.699 K,o* ;:

7O30’ f8 77407 2.722 7’3’32’ f8m 82-420 2.644

;;:30’ 8’ 6’32’44’ *_10

87.390 2.654 8’ 6’12’25’ fJ0 ‘1

EZ 2.695 0

% ;: 5”54’6’ .

2.744 5’32’18’ 102.6lC 2.791 29O30’ 107,675 2.870 3o” ;:

5”17’39’ 594’14’

li ,i

/ / I

I

I

t

,

I

t

t

__

56.053

EE: 7 1.490

76.467 81.462 06.305 91.345

96.408 101;623 106.770 111.951

112.340 2.582 114.59 109.05 110.2 28”30’ 8’ 4w3’ 117400 122.500 22%

119.59 114.23 115.2 290 124.54 119.30 120.2 29O30’ i:

4’36’55” 4‘26’40’

116134 121.325 126.57C

:1: f 12- fl2 H

” fJ2 tb fl2

i fl5 c

\

d,

__ -

H 7 2 rm

;h

- --m *da, is the maximum v:tlue of major diameter ~rx of the shaft ( see IS : 3654-1966 Dimensions :br straight sided scrrations ). tToJcnoaJ1 for the pitch angle 8 hns bern given rot as an angle but in linear units pm.

!f

tolemtmx kr the pitch and applies over any number of pitches. This shall bc 1 nsidrmi a~ the H

‘_’ Nors - Scrrationa up to nominal size 55 X 60 have 60’ serration @e ud m &wx clr d x& 5$Xle) kxve 5Z”

aenation CmgJC, b_

$5 . %

TABLE 2 OVEIULL DIIb¶E+%ONS FOR GO GAUGES FOR INTERNAL gEaRATIONS

(claur~ el)

All dimcmiona in millimetres. A 1

HEXAGONAL ROUND GRIP GRIP

p-_____‘2 -_--+_ll,-_i I _.

-_-_-. --..- I_ CROSS SECTlbN c---- ‘2 - --_i;__I OF HANDLE

FOR SERRATIONS UP TO NOMINAL SIZE 26 x 30

ROUND HEXAGONAL GRIP GRIP

CROSS SECTION OF HANDLE

WR SERRATIONS AaOYE NOMINAL SIZE 26 x 30

QI CI-

NOMINAL SIZE

--

.-

I _

Dl 4 App tax

75.0 76.5 86.0 87.0

98.0 112.0 114.0 117.0

121.5 125.0 135:o 137.5

!47*!i 149.0 149.0 149.0

159.5 159.5 159.5 159.5

160.5 160.5 160.5 160.5

160.5 160.5 160.5

14 Min

--

a.0 a.0 9.0 9-o

10-o 12.0 12.0 12.0

15.5 14.0 14.0 14.0

16.5 16.5 16.5 16.5

15.5 15.5 15-5 15.5

15.5 15.5 15.5

36.0 37.5 44.0 45

28”

z:

- -

- - -

- - - -

-

- -

-

f

- - - -

- - -

a.0

$:E 9.0

9.5 9.5

;:;

;:;

3::

9.5

g:;

9.5

;::

9.5

J

;;

27 27

G 30 30

ss 30 30

30 30 30

7x8 8x10

10x 12 12x 14

~5.5 5.5

::;

9.0 L2

t;

_- - -

- - -

- - -

-

-

5.16 -5.16 6.58 6.58

8.50 11.46 11.48 11.48

-

- - - -

- - - -

- -

-

11.0 12.5

f :

18

2”: 25

:: 38 40

:: 45 45

48 48

:;

:8

58

50 50 50

--

15x 17 ‘17x20 21x24 26x 30

30x34 36X40 #X44 45X50

50x55 55x60 60x65 65x70

70x75 75X80 80X85 65x90

90x95 95x LOO

100x 105 105x I la

110X115 115x 120 120x 125

*For values of dor and d, set Table I,

.*

TABLE 3 DIMENSIONS FOR NOT GO GAUGES FOR INTERNAL SERRATIONS

( Clw.r~s 4.2 and 6.2 )

All dimenrions in millimctrcs.

7X8 8.(10

10x12 12x 14

15x 17 17x20

E%

30X34 56X40 400x44 45x50

50x55 55x60 60x65 65x70

70x75 75 X80 aoXR5 85X90

90x95 95x loo

100x 105 105x 110

1.10x 115

f% tz

6

7.501)

1:.SE 13mo

3A86 6.91 3.5113 8.26 3.665 IO.20 0.760 12.06

7.1 .

If.: 12.2

16+OO 18-500 22wo 28.000

MO7

f t:: . 1.451

15.1 16.6 17.5 19.2 21.0 23.0 26.7 29.0

32@OO 38*OOO 42.OOO 47%500

1.612 1.862

;:g

!fE 39172 44.97

30:7 36.2 40.2 45.2

52.500 2.380 49.72 50.2 57.500 2.483 54.76 55.2 62.536 2.851 59.44 60.2 67.500 2-707 64.35 65.2 I

53.6 58.6 63.6 68.6

72432 2.699 69.38 70.2 73.6 77.407 2.722 74.35 75.2 78.6 82.420 2.644 79.28 80.2 83.6 87.390 2.654 84.31 85.2 88.6

2.695 89.33 90.2 2.744 94.25 95.2 2.791 99.35 100.2 29-870 104*3? 105.2

93.6 98.6

103.6 108.7

112.340 117.400 122.5oa

2.582

::%!I

IO9.Q 110.2 114.2: 115.2 119*3( 120.2

113.7 118.7 123.7

Number ofkrrations situated opposite: Bach two scrrationr for even number OF acrrationr. Two and three serrations for odd number of rcrmtionr.

dD 4 Max

4

I _... _. Fine

8.278 ’ 63 126 9.923 65 130

12.048 68 136 14.175 70 140

17.4141 75 io*ot;o so 23.820 85 30.212 95

34.485 loo 200 40.834 1 IO 220 45.085 ,115 230 50.059 125 250

~56.164 135 61.324 140 66.933 150 71.626 160

270 280

:!z

76.609 165 330 81.604 175 350 86,465 185 370 91.511 190 380

96?%4 200 101 804 205 106.960 215 112.147 220

116.339 230 121.544 240 126.793 250

:Ez 430 440

460 480 500

n -- harsc

150 160 170 190

15’ 15’ 15’ IO’

9’

;: 9’

9’

;: 8’

;:

8’ 8’

w: 8’

a

2*51’26’ f3

F 1’2G’ f: 1 O36’46! f 4,

1°15’ OO54.33’ fm;g

O0 9033’47’ 9’.?8’25* g”13’51*

: 3’ +6 ~t6

go V34’17” 8”46!50* 8”

t6 f6

zlt

7O30’ 7’3’32’ 6O32’44’ 6’12’25”

5’54’6” Y’32’18” 5017’39’ 5v14

4048’ 40363 5 4”26’&

f8

:1: f 10

:t: fl2 fl2

f12 *_12 f15

li rm

NOTE - &rations up to m&ml size 55 X 60 have 6o” acrralion Gn@G and scrrationr above the nominal rizc 55 X 60 have wsGmticGl UlglCi

I0:49M(Part //.)-1969

5. DESIGNATION

5.1 The gauges shall be designated by GO or NOT GO as applicable, the nominal size of the internal serrations for which the gauges are used and the number of this standard.

A GO gauge for internal serrations d nominal size 10 x 12 shall be designated as:

GO Gauge, Internal Serrations 10 -X 12 - IS : 4966 ( Part II )

6. OTHER REQUrrtEMENTS

6.1’ The gauging surfaces of gauges shall be hardened to not less than 750 HV (se8 IS : 1501-1959* ) or its equivalent on other scale.

6.2 The surface finish of the gauging sur&ces shall br in accordance with the values for the corresponding symbols as given in IS : 3073-1967t (racTables 1 and3).

7. MARKING

7.1 The gauges shall be marked with the following details:

a) Designation, and

b) Manufacturer’s name or trade-mark.

7.1.1 The gauges may also-be marked with the IS1 Certification Mark.

Nol~ - The use of the IS1 CertiGcation Mark is goyemed by thb pthihions of the Indian Standards Institution ( Ccrti6cation Marks ) Act and the Rules and Regulations made theretmder. The ISI Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a welLdc6ncd systan of inspection, testing and quality control which is devised and s~pcrviscd by IS1 and operated by the producer. IS1 marked products are also continuously checked by IS1 for conformity to that standard as a fur&r safeguard. Details of conditions under which a licence for the use of the ISI Cut&cation Mark may be granted to manufacturcm fnmr tbe IndiarLStandards Institution.

or proceWrs, may be obtained

8. PAGKING

8.1 The gauges shall be suitably protected against climatic eon&ions by an-application of suitable anti-corrosive coating. The gauges may then be packed in suitable cases to prevent damage in tranrit:

*Metbod for Vickers hardness tat for steel. 1 Since revised ). tAssessment of surGice roughness.

9

6

c* ._____

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Headquarters; Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI 110002 Telephones : 331 01 31, 331 13 75 Telegrams : Manaksanstha

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Southern :

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Printed at Slmco Printing Press, Delhi, India

2.