ISO 298-1973 scan

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INTERNATIONAL STANDARD 298

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION .MEXAYHAPOflHAR OPTAHASAWR II0 CTAHflAPTW3AUHA .ORGANISATION INTERNATIONALE DE NORMALISATION

Machine tools - Lathe centres - Sizes for interchangeability

First edition - 1973-12-15

UDC 621.9.06 : 62-229.33 Ref. No. IS0 298-1973 (E)

Descriptors : machine tools, lathes, lathe tools, shanks, morse taper shanks, taper, dimensions, interchangeability.

Price based on 3 pages

FOREWORD

IS0 (the International Organization for Standardization) is a worldwide federation

of national standards institutes (IS0 Member Bodies). The work of developing

international Standards is carried out through IS0 Technical Committees. Every

Member Body interested in a subject for which a Technical Committee has been set

up has the right to be represented on that Committee. International organizations,

governmental and non-governmental, in liaison with ISO, also take part in the work.

Draft International Standards adopted by the Technical Committees are circulated

to the Member Bodies for approval before their acceptance as International

Standards by the IS0 Council.

Prior to 1972, the results of the work of the Technical Committees were published

as IS0 Recommendations; these documents are now in the process of being

transformed into International Standards. As part of this process, Technical

Committee ISO/TC 39 has reviewed IS0 Recommendation R 298 and found it

suitable for transformation. International Standard IS0 298 therefore replaces IS0

Recommendation R 298-1963 and Addendum 1-1969.

IS0 Recommendation R 298 was approved by the Member Bodies of the following

countries :

Argentina

Belgium

Chile

Colombia

Czechoslovakia

Denmark

France

Germany

Hungary

India

Israel

Italy

Japan

Netherlands

New Zealand

Poland

Portugal

Romania

Spain

Sweden

Switzerland

United Kingdom

U.S.A.

U.S.S.R.

The Member Body of the following country has subsequently approved this

Recommendation :

Philippines

No Member Body expressed disapproval of the Recommendation.

No Member Body disapproved the transformation of ISO/R 298 into an

International Standard.

0 international Organization for Standardization, 1973 l

Printed in Switzerland

INTERNATIONAL STANDARD IS0 298-1973 (El

Machine tools - Lathe centres - Sizes for interchangeability

1 SCOPE AND FIELD OF APPLICATION

This International Standard specifies the sizes for interchangeability of lathe centres.

Its scope should not be regarded as restricted to lathes only, but may be extended to all the other machine tools with centres

of the same type.

2 DESIGNATION

The lathe centre shall be designated by the number followed by the type.

Example :

No. 3 Morse Centre.

3 SIZES

The centre sizes given in the tables which follow are only those necessary for interchangeability; details of design (for

example for the extracting device), which do not directly affect interchangeability, are not included.

Sizes for interchangeability of the taper shank with the machine are in compliance with IS0 296, Machine-tools -

Self-holding tapers for tool shanks.

Table 1 gives sizes in millimetres for centres with Nos. 0 to 6 Morse or metric 5 % taper shanks.

Table 2 gives sizes in inches for centres with Nos. 1 to 6 Morse or Nos. 1 to 3 Brown & Sharpe taper shanks.

The angle of the centre itself is fixed at 60” min.

When a greater angle is really necessary for particularly heavy workpieces, either 75’ min. or 90” min. shall be adopted. In

this case, the following designation should be stated : “75” Centre” or “90” Centre”.

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摘要：

本页面提供 ISO 298-1973 标准文档的扫描版本，该标准由国际标准化组织（ISO）于1973年发布，主要涉及木基板材（木质纤维板）的取样与试样制备规范。该扫描文件保留了原始印刷版的完整内容与排版细节，适用于工业质检、实验室检测、学术研究及标准化合规参考。文档详细规定了从批量产品中抽取代表性样品的方法、试样尺寸与数量要求，以及湿度调节与预处理流程，帮助用户准确执行符合 ISO 298 要求的物理与机械性能测试。无论是制造商进行出厂检验，还是检测机构进行第三方认证，均可依据该扫描标准获取权威

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