इंटरनेट मानक 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. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 1983 (2004): Shank for Turning and Planing Tools - Shapes and Dimensions of the Section [PGD 32: Cutting tools] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 1983:2004 Indian Standard SHANK FOR TURNING AND PLANING TOOLS — SHAPES AND DIMENSIONS OF THE SECTION (Second Revision) ICS 25.100.01 @BIS 2004 BUREAU OF INDIAN STANDARDS * MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 ~U/y 2004 Price Group I & .— A. . . Single Point Cutting Tools, Carbide Tips and Indexable Inserts Sectional Committee, BP 12 NATIONAL FOREWORD This Indian Standard (Second Revision) which is identical with ISO 241 :1994 ‘Shanks for turning and planing tools — Shapes and dimensions of the section’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendations of the Single Point Cutting Tools, Carbide Tips and Indexable Inserts Sectional Committee and approval of the Basic and Production Engineering Division Council. This standard was first published in 1961 based on lSO/R 241 :1961. The first revision was taken up in 1985 to adopt ISO 241 : 1975. The revision of this standard is again taken up to align it with the latest version of ISO 241:1994. The text of ISO Standard has been approved as suitable for publication as an Indian Standard without deviations. In this adopted standard, certain terminology and conventions are not identical to those used in Indian Standards. Attention is particularly drawn to the following: a) Wherever the words ‘International Standard’ appear referring to this standard, they should be read as ‘Indian Standard’. b) Comma (,) has been used as a decimal marker in the International Standard while in Indian Standards, the current practice is to use a point (.) as the decimal marker. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result df a test or analysis, shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (revised)’. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. IS 1983:2004 ISO 241 :1994 Indian Standard SHANK FOR TURNING AND PLANING TOOLS — SHAPES AND DIMENSIONS OF THE SECTION (Second Revision) . 1 Scope 2 Shapes and dimensions of the section 2.1 Shape This International Standard specifies the types and dimensions, in millimetres, of the section of shanks See figure 1. for turning and planing tools of high speed steel and A round or square section, or a rectangular section with brazed hardmetal tips. having a ratio of approximately 1,6, should preferably be used. Three types of sections are specified, namely: . a) round section; 2.2 Dimensions b) square section; See table 1, c) rectangular sections with ratios of height to width 2.3 Tolerances of respectively: Tool shanks without special need for precision: — approximately 1,25, a) unmachined shanks: the normal rolling or forging — approximately 1,6 and tolerance (before finishing the bottom face); — approximately 2. b) machined shanks: hl 5. ,, . IS 1983:2004 ISO 241 : 1994 t . — Figure 1 T.a-h--k- 1. Rectangular sections Round section Square section Ratioofsides, approximately 1,25 1,6 2 d hxb hxb hxb hxb 6 6x6 6x5 6x4 6x3 8 8x8 8x6 8x5 8x4 10 10XIO 10x8 10x6 10X5 12 12 x 12 12 x 10 12X8 12x6 16 16 X 16 16 X 12 16 X 10 16X8 20 20 x 20 20 X 16 20 x 12 20 x 10 25 25 X 25 25 X 20 25 X 16 25x12 32 32 X 32 32 X 25 32 X 20 32 X 16 40 40 x 40 40 X 32 40 x 25 40 x 20 50 50 x 50 50 x 40 50 X 32 50 X 25 2 *.,.#_ Bureau of Indian Standards BIS is a statutory institution established under the Bureau of Mian Standards Act, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods 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 any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. 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 also reviewed periodically; astandard along with amendments is reaffirmed when such review indicates that no 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 or edition by referring to the latest issue of ‘BIS Catalogue’ and ‘Standards: Monthly Additions’. This Indian Standard has been developed from Dot: No. BP12 (0127). 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