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”

“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru

“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 6401 (1986): Dowel pins for use in foundries [MTD 14:Foundry]

IS:6401- 1986

Indian Standard SPECIFICATION FOR

DOWEL PINS FOR USE IN FOUNDRIES

( First Revision )

Foundry Sectional Committee, SMDC 17

Chairman DR S. S. KEAWA

Repmnting National Institute of Foundry & Forge

Technology, Ranchi

Memb#rs

SEEI M. M. C. AQARWAL Heavy Engineering Corporation Ltd, Ranchi SIXRI A. K. BANERJEE ( Alfcrsatc)

SHRI S. CHAUBEY Steel Authority of India Ltd (Rourkela Steel

SHRI U. MISERA ( Alternate) Plant ), Rourkela

SHRI K. L. CHAUDEARY Tata Engineering 8-z Locomotive Co Ltd,

SH~I A. BHA~TAOHARJEE ( Altcrnata) Jamshedpur

SHRI S. H. COXMISSARIAT Institute of Indian Foundrymen, Calcutta SHRI R. P. VARSENEY ( Alfernntc )

SHRI K. A. GANDHI HMT Ltd, Bangalore SHRI H. S. RAIYIAOEAXDRA ( Akwnate I ) SHRI A. SHANTHARAX ( Altumatc II ) SHRI P. P. CEOPRA ( Alternate III )

SHRI R. M. GORANE Kirloskar Brothers, Kirloskarvadi SHRI D. M. DABAK (Alternuts)

SHRI H. N. SIN~H Indian Iron & Steel Co Ltd, Calcutta SHRS R. N. MUXHERJEE ( Altmnate )

SBRI P. L. JAIN National Institute of Foundry Technology, Ranchi

& Forge

SHRI K. KISHORE ( Alternate ) SHRI L. M. JOSHI Delhi Cloth & General Mills Co Ltd, Delhi SHRI S. S. KHOSLA Directorate General of Technical Development,

New Delhi SHRI S. V. BOPARDIKAR ( Altrrnatr )

DR R. LALITH KUXAR Indian Institute of Technology, Kharagpur

( Centinucd on page 2 )

0 Gyyight 1986

INDIAN STANDARDS INSTITUTION

This publication is protected under the Indian Caprrighl Act ( XIV of 1957 ) and reproduction in whole or in part by any means except with written permission of the publirber shall be deemed to be an infringement of copyright under the raid Act.

IS :6401-1986

( Continuedfrom page 1 )

M6rnbers Representing

SERI Y. C. MISERA Cooper Engineering Ltd, Satara SXXRI A. K. BANERJEE (Alternat )

SHBI M. L. NAVARE Versatile Equipments Pvt Ltd, Kolhapur SERI SUBHAEH KULKAENJ ( Afternate )

DR G. N. RAO National Metallurgical Laboratory ( CSIR ),

RFZBESENTATIVE SERI N. R. NAQARAJ RAO

Jamshedpur M. M. Suri & Associates (P) Ltd, New Delhi Steel Authority of India Ltd ( Bhilai Steel Plant ),

Bhilai San1 R. R. SARAN ( Alternate )

SHEI T. S. VENEOBA RAO Ennore Foundries Ltd, Madras SFZRI M. P. PONNUSWAMY ( Alternate )

SHRI R. N. SAHA iDirectorate General of Supplies & Disposals, New Delhi

SARI DARBARA SINQZ ( Altrrnatc ) Poor K. S. SREENIVASA MURTHY Indian Institute of Science, Bangalore

PROP S. SE~HAN ( Alternate ) SENIOR CHEMIST & METAI,LUROIST, Ministry of Railways

CLW, CHITTARANJAN CEEMIST & METALLUBOIST,

( SF ), CLW, CHITTARANJAN ( Alternate I ) CEEMIST & METALLURPIST, NF

RLY, NEW BON~AI~AON ( Alternate II ) SHRI V. N. SUNDERRAJAN M. N. Dastur & Co Ltd, Calcutta SHPI S. THIYAQARAJAN Sourthern Alloy Foundries Pvt Ltd, Madras

SERI A. THANQAVELU ( Alternat ) SHRI THOMAS PAUL Pioneer Equipment Co Pvt Ltd, Vadodara

SERI C. BHASKARAN ( Alternat ) SHRI V. N. UPADHAYAYA Federation of Engineering Industries of India,

New Delhi SHRI H. L. BHARDWAJ ( Altrrnate )

SHRI NAND LAL VARMA International Steel Fabricators, Bombay Snsx RAJESH KUM~ VAFZMA ( Akcmatr )

SHRI K. RAOHAVENDRAN, Director General, IS1 ( Ex-oficio hhnbcr) Director ( Strut & Met )

ScGrctaries Snm A. B. TEWARI

Deputy Director ( Metals), IS1 SHRI S. K. PANJA

Assistant Director ( Metals ), IS1

Foundry Ancillary Equipment Subcommittee, SMDC 17 : 2

Convensr

SHRI P. L. JAIN National Institute of Foundry & Forge Technology, Ranchi

Members

SHRI J. N. BHAKTA

SXRI D. M. BIRADAR

Development Commissioner ( Small Scale Industries ), New Delhi

Institute of Indian Foundrymen, Calcutta

( COhU46d B?l thlg6 11 )

2

IS : 6461-“1986

3. TYPES OF DOWEL PINS

3.1 Dowel pins shall be of the following four types:

Type 1 - Dowel with socket as given in Table 1.

Type 2 - Plate dowel and socket without faucet as given in Table 2.

Type 3 - Plate dowel and socket with faucet as given in Table 3.

Type 4 - Dowel with socket for metal core boxes and dies as given in Table 4.

4. DIMENSIONS AND TOLERANCES

4.1 Shapes and sizes of dowel pins and sockets shall be as specified in Tables 1 to 4.

4.2 Tolerances on the dimensions as specified in Tables 1 to 4 shall meet the requirements of ‘coarse class’ of IS : 2102 ( Part*1 )-1980*.

5. DESIGNATION

5.1 Designation of each type of dowel and socket shall be as given in Tables 1 to 4.

6. MATERIAL

6.1 Insert dowel and sockets shall be manufactured from medium carbon steel conforming to Class 5 of IS : 1875-19787, which shall be subse- quently hardened and tempered.

6.1.1 The hardness of the insert dowel and socket in heat-treated condition (,hardened and tempered) shall be in the range of 233-258HV.

6.2 Pin and bushes shall be of low carbon steel conforming to Class 2 of IS : 1875-1978t.

7. GENERAL

7.1 The rounding of the dowel shall be subject to the manufacturer’s choice.

8. PACKING

8.1 Material shall be suitably coated with a thin film of rust preventive oil on all surfaces.

*General tolerances for dimensions and form and position : Part 1 General tolerances for linear and angular dimensions ( second revision ).

TSpecification for carbon steel billets, blooms, slabs and bars for forgings (JQurth f6uiSiOtI ).

4

,. TABLE 4 TYPE 4 DOWEL WITH SOCKET FOR METAL COREBOXES AND DIES

( Clauses 3.1,4.1,4.2 and 5.1)

All dimensions in millimetres.

+-= d,$~+ t----- “!’+I

(

Bush No. 1 Bush No. 2

*Combi-nation

1—11—21—3

—4:—12—22—32—4

Bush No. 4

I w (v)Bush No. 3

I——12 18

22:: 2622 2812 2216 2620 3022 32

d8 d, d~ 4 a

— — — —

38 43 14 — 1246 5“3 18 — 1650 5“3 22 — 2052 5“3 24 2238 — M—20 1246 — :: M24 1652 — 22 M27 2056 — 24 M30 22 ‘1

Sw

22 2828 3332 3836 4028 —32 —36 —40 —

*These indicate guide pin and bush combinations.

1, 1,

— —

45 1:

162 165 106 12

12: 16

1,

———

%242628

..

.—;!

As in the Original Standard, this Page is Intentionally Left Blank

IS:6401- 1986

: Continued from page 2 )

Members

jHRI T. K. CHANDA

SEXI I. S. SAW ( Alternate) jHR1 D. K. DU~TA

Representing

Tata Engineering & Locomotive Co Ltd, Jamshedpur

Ordnance Factory I Ministrv of Defence j. Muradnagar ’ ’

SHRI 0. P. KHURANA ( Alternate ) SEIU G. G. LONDHE Premier Automobile Ltd, Bombay SHRI M. L. NAVARE Versatile Equipments Pvt Ltd, Kolhapur

SHRI SUBHASH KULKARNI ( Alternata ) SHRI S. P. NATARAJAN Ennore Foundries Ltd, Madras

SHRI V. S. KANDASWAYY ( Alternate )

,_

SHRI P. K. PANDA Na&onal Institute of Foundry & Forge Technoloav, Ranch; -_____

SHRI D. PANDTJRAMUAM Setty Assoc&&Pvt Ltd, Madras SERI P. RAJEHBKARAN (Alternate)

SHRITHOMASPAUL Pioneer Equipment Co Pvt Ltd, Vadodara SHRI ~.BEASKARAN (Alternate)

11

IRNATIONAL SYSTEM OF UNITS (SI UNITS

QUANTITY Length Mara Time Electric current Thermodynamic

temperature Luminous intensity Amount of substance

Smpplementmry Unita

QUANTITY

P18ne angle Solid angle

Derived Units

QUANTlTY

Force Energy Power FlllX Flux density Frequency Electric conductance Electromotive force Pressure, stress

UNIT

metrt kilogram second ampere kelvin

candela mole

UNlT

radian rteradian

UNIT

newton joule watt weber

terla hertz

volt Pascal

SYMBOL

m

kg

A K

cd mol

a!iPYBOL

tad sr

SYMBOL

J” W

Wb T

HZ S V Pa

DEFINITION

IN - 1 kg.m/s*

1J = 1 N.m

1w - lJ/s 1 Wb- 1V.s 1T - 1 Wb/m* 1 Hz = 1 c/s (s-l) 1s - 1 A/V 1 V - 1 W/A I Pa - 1 N/m’