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है”ह”ह

IS 15424-4 (2004): Tools for Pressing - Guide Pillars, Part4: Type C, Pillars with Taper Lead and Bush [PGD 4: MetalForming Machines]

IS 15424 (Part 4): 2004ISO 9182-4:1992

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Indian Standard

TOOLS FOR PRESSING — GUIDE PILLARSPART 4 TYPE C, PILLARS WITH TAPER LEAD AND BUSH

ICS 25.20.10

@BIS 2004

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

Februaty 2004 Price Group 2

Metal Forming Machines Sectional Committee, BP 04

NATIONAL FOREWORD

This Indian Standard (Part 4) which is identical withISO9182-4: 1992 ‘Tools for pressing — Guide pillars— Part 4: Type C, pillars with taper lead and bush’ issued by the International Organization forStandardization (ISO) was adopted by the Bureau of Indian Standards on the recommendations of theMetal Forming Machines Sectional Committee and approval of the Basic and Production EngineeringDivision Council.

The text of the ISO Standard has been approved as suitable for publication as an Indian Standard withoutdeviations. Certain conventions are, however, not identical to those used in Indian Standards. Attentionis particularly drawn to the following:

a) Wherever the words ‘International Standard’ appear referring to this standard, they should be readas ‘Indian Standard’.

b) Comma (,) has been used as a decimal marker in the International Standard, while in IndianStandards, the current practice is to use a point (.) as the decimal marker.

In the adopted standard, reference appears to the following InternationalStandard for which Indian Standardsalso exist. The corresponding Indian Standards which are to be substitute in their place are listed belowalong with their degree of equivalence for the editions indicated:

International Standard Corresponding Indian Standard Degree ofEquivalence

ISO 6753: 1982’)Machined IS 11143 (Part 1): 2002 Tools for pressing Identicalplates for press tools, moulds, and moulding-machined plates : Part 1jigs and fixtures — Nominal Machined plate for press tools jigs anddimensions fixtures (first revision)

IS 11143 (Part 2):2002 Tools for pressing doand moulding-machined plates : Part 2Machined plates for moulds (ficstrevision)

For the purpose of deciding whether a particular requirement of this standard is complied with, the finalvalue, obsewecf or calculated, expressing the result of a test or analysis shall be rounded off in accordancewith IS 2: 1960 ‘Rules for rounding off numerical values (revised)’. The npmber of significant placesretained in the rounded off value should be the same as that of the specified value in this standard.

I) Revised and correspondingIndian Standard$are based on ISO 6753 (Parta 1 and 2).

IS 15424 (Part 4) :2004ISO 91824:1992

Indian Standard

TOOLS FOR PRESSING — GUIDE PILLARSPART 4 TYPE C, PILLARS WITH TAPER LEAD AND BUSH

1 Scope

This part of ISO 9182 specifies the dimensions andtolerances, in millimetres, of guide pillars, type C,with taper lead and bush, intended for use in presstools.

H gives guidance on materials and specifies thehardness and the designation of guide pillars whichmeet the requirements of this part of ISO 9182.

2 Normative reference

.The following standard contains provisions which,through reference in this text, constitute provisionsof this part of ISO 9182. At the time of publication,the edition indicated was valid. All standards aresubject to revision, and parties to agreements basedon this part of ISO 9182 are encouraged to investi-gate the possibility of applying the most recent edi-tion of the standard indicated below. Members ofIEC and ISO maintain registers of currently validInternational Standards.

ISO 6753:1982, Machinedmoulds, jigs and fixtures —

3 Dimensions

See figure 1 and table 1.

plates for press tools,Nominal dimensions.

4 Materiai and hardness

The material is left to the manufacturer’s discretion.The hardness shall be (62 ‘~) HRC.

5 Designation

Guide pillars for press tools in accordance with thispart of ISO 9182 shall be designated by

a) “Guide pillar”;

b) reference to this part of ISO 9182;

c) its type;

d) its diameter, d,, in millimetres;

e) the bush length, 12,in millimetres;

t) the length, f, in milJimetres.

EXAMPLE

The designation for a goide pillar, type C, of diam-eter d, = 12 mm, with a bush length /2 = 20 mm anda length /= 80 mm is as follows:

Guide piilar ISO 9182-4- C -12 x 20 x 80

1

IS 15424 (Part 4) :2004ISO 9182-4:1992

Sllghtly rounded’) ~ TaPer7 -i

Radlue

\\Y2 .— .-4+=3--E+——.[1

Guidepillar

14-D

1r

Taper

f

Bush

1 4Mountingof the bushon the pillar

1)The values of the radll are left to the Manuctactwer”s discretion.

.—

,.

Figure 1 – Guide pillar with taper iead and bush’

..

IS 15424 (Part 4) :2004ISO 91824:1992

Table 1

$, 12 16 20 25 32 40 50 63 80 100

~ 22 28 32 40 48 58 70 85 105 125

D3 30 36 40 48 56 66 80 95 117 137

*‘2 min. 20 25 32 32 40 40 50 63 80 100—14 10 10 12 12- 15 15 18 18 22 22

,1 min. 4 4 4 6- 6 6 8 8 8 8

T & 0,1 6,3 6,3 6,3 6,3 6,3 6,3 6,3 6,3 6,3 6,3

80 x

90 x x

100 x x x

112 x x x x

125 x x x x x

140 x x x x x

160 x x x x x x

1800

x x x x x x

t200 x x x x x x

224 x x x x x.—

250 x x x x x x

280 x x x x x—

315 x x x x x

355—

x x x x x

400 x x x x

450 x x x x— ..

NOTES

1 x standardized dimensions.

2 Larger values of/2 shall be chosen as a function of other dimensions such as the plate thickness in accordance withISO 6753.

3 To prevent an incorrect assembly of the upper and lower plates of the die set in relation to each other, the followingvalues for diameter d, are recommended: 11, 15, 19, 24, 30, 38, 48 and 60.

3

,’ i-

,,

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promoteharmonious development of the activities of standardization, marking and quality certification ofgoods and attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in anyform without the prior permission in writing of BIS. This does not preclude the free use, in the courseof implementing the standard, of necessary details, such as symbols and sizes, type or gradedesignations. Enquiries relating to copyright be addressed to the Director (Publication), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are alsoreviewed periodically; a standard along with amendments is reaffirmed when such review indicates thatno changes are needed; if the review indicates that changes are needed, it is taken up for revision.Users of Indian Standards should ascertain that they are in possession of the latest amendments oredition by referring to the latest issue of ‘BIS Catalogue’ and ‘Standards: Monthly Additions’.

This Indian Standard has been developed from Dot: No. BP 04 (0375).

Amendments Issued Since Publication

Amend No. Date of Issue Text Affected

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