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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.

!"#$% '(%)

!"# $ %& #' (")* &" +#,-.Satyanarayan Gangaram Pitroda

Invent a New India Using Knowledge

/0)"1 &2 324 #' 5 *)6Jawaharlal Nehru

Step Out From the Old to the New

7"#1&"8+9&"), 7:1&"8+9&")Mazdoor Kisan Shakti Sangathan

The Right to Information, The Right to Live

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UDC 621-9-2293122

IC . A37Q qQQA

I-

Indian Standard

Is]

1 I

SPECIFICATION FOR

GOOSE NECK CLAMPS

(Second

Revision

I. scope -

Specifies the dimensions and material for goose neck clamps used in holding work pieces

n place when they are being machined.

. Dimensions - Shall be as given in Table 1.

3. Designation -

A goose neck clamp having d=18 mm shall be designated as :

Goose Neck Clamp 18 IS : 4279

1. Material

- Steel suitably hardened and tempered to a tensile strength of 750 to 850 N/mm*.

i. Finish

-The goose neck clamps shall be free from cracks, burrs, pits and other defects. These

rhall also be free from sharp corners.

i. Preservation and Packing

i.1 A suitable anti-corrosive surface treatment shall be given to the goose neck clamps.

5.2 The goose neck clamps shall be packed in accordance with best trade practice.

r, Marking

1.1 The goose neck clamps shall be marked at an appropriate place with designation and manu-

facturers name or trade-mark.

1.2 IS1 Cert i f icat ion Marking

Details available with the Indian Standards Institution.

EXPLANATORY NOTE

This standard was first revised in 1975. The committee responsible for the formulation Of this

standard decided to revise the same again based upon experience gained over SO maw Years and

to keep it in line with other standards on clamps, which are also being revised in respect Of material,

roughness values, tolerance and rationalisation of sizes.

In the present revision, the figure under Table 1 has been modified to suit the current practice.

Adopted 26 March 1984

I

0 June 1984, ISI

I

Gr

INDIAN STANDARDS INSTITUTION

( Reaffirmed 2005 )

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IS : 4279-1984

\ /

EFI

-

--l

TABLE 1 DIMENSIONS FOR GOOSE NECK CLAMPS

Cause 2)

Nil

/

d

1

I

__

I f f

k L___ w

1

All

dimensions in millimetres.

Ii:3 h I II 1,

13

_-----

66 20 60 20 20

14 8 10 20

10 11 1.0 16 3 M6

__---------___

--.

9 24 80 25 25

17 9 12 25

12 14 16 1.6 4 M8

_~____----

----

----- --

32

22 12 15 30

15 18 2.0 20 5 Ml0

40

28 16 20 40

20

20 2.0 25 7 Ml2

__

2.0 40 8 Ml6

p

___

22 60 200 55 70

40 24 30 60

30 28 30 5.0 10 M20

_PP p

_

26 80 250 72 80

54 32 40 70 35 34 30 60 13 M24

p

_

_

33 100 316 91 100

72 40 SO 80 40 40 I 40 60 17 M30

v

Note-The dimensional deviation for untoleranced dimensions :

Come

class shall

be according to IS : 2102

Part 1) - 1980 General tolerances for dimensions and form and position :

Part 1 General tolerances for linear and

angular dimensions second

revision .

2

Printed at Public Printing Delhi 1 Service lndla