इ टरन ट म नक 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. ज न1 क अ+धक र, ज 1 क अ+धक र Mazdoor Kisan Shakti Sangathan The Right to Information, The Right to Live प0र 1 क छ ड न' 5 तरफ Jawaharlal Nehru Step Out From the Old to the New IS 2582-2 (1987): Machine tools - Spindle noses and face plates - Sizes for interchangeability, Part 2: Camlock types [PGD 2: Machine Tool Elements and Holding Devices]! न $ एक न' भ रत क +नम-ण Satyanarayan Gangaram Pitroda Invent a New India Using Knowledge! न एक ऐस खज न > ज कभ च0र य नहB ज सकत ह ह Bhartṛhari Nītiśatakam Knowledge is such a treasure which cannot be stolen
Indian Standard MACHINE TOOLS-SPINDLE NOSES AND FACE PLATES- SIZES FOR INTERCHANGEABILITY PART 2 CAMLOCK TYPE (Second Revision) First Reprint JANUARY 1993 UDC 621.941:621.9-229.3:006.015.3 0 BIS 1990 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 September 1990 Price Group 6
Indian Standard MACHINE TOOLS-SPINDLE NOSES AND FACE PLATES-SIZES FOR INTERCHANGEABILITY PART 2 CAMLOCK TYPE (Second Revision) NATIONAL FOREWORD This Indian Standard (Part 2) (Second Revision) which is identical with IS0 70212 : 15 5 Machine tools-spindle noses and face plates-sizes for interchangeability-part 2: Camlocktype. issued bv the International Organization for Standardization (ISO), was adopted by the Bureau of Indian Standards on 23 November 1987 on the recommendation of the Machine T.ools, Machine Tool Elements and Wood-Working Machines Sectional Committee (EDC 11) and approval of the Mechanical Engineering Division Council. This standard was first issued in 1963. Atier the formulation of ISO/R 702, this standardwas revised and Split into three parts in 1972. The IS0 recommendations have since been replaced by IS0 702/l, IS0 70212 and IS0 702/3. With a view to achieving international dimensions which are basic in nature. this revision of IS 2582 (Part 2) and adoption of IS0 702/2:1975 has tieen considered. The text of the IS0 standard has been approved as suitable for publication as Indian Standard without deviations. Certain conventions are, however, 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 decimal marker while in Indian Standards, the current practice is to use a point -(.) as the decimal marker. C) Inch dimensions given in the IS0 Standard in clauses 3.1.2, 3.2.2, 3.3.2. 3.4.2.onlY 3.5.2 have been excluded as these are not prevalent in our country. ADDITIONAL INFORMATION Spindle noses of type A and of Bayonet type are covered in Parts 1 and 3 respectively of this standard as follows : IS 2582 (Part 1) : 1987/180 702/l : 1975 Machine tools- Spindle noses and face plates - Sizes for Interchangeability: Part 1 Type A IS 2582 (Part 3) : 1987/lSO 70213 : 1975 Machine tools-spindle noses and face plates - Sizesfor interchangeability: Part@:Boyonet type
As in the Original Standard, this Page is Intentionally Left Blank
IS0 70212 : 1975 1 SCOPE AN0 FIELD OF APPLICATION This International Standard specifies the sizes for interchangeability of Camlock-type lathe spindle noses and corresponding face plates. NOTE - The types A and bayonet are dealt with in parts I and II I respectively 2 INTERCHANGEABILITY Although internal mounting components and assembly screws are not respectively interchangeable as they may conform with either metric or inch series, there is complete interchangeability between metric spindle noses and face plates in inches and vice versa.
3 SIZES FOR INTERCHANGEABILITY 3.1 Spindle noses No.3 Reference line bleference line / i- F ifi 4
3.1.1 Sizes in millime tres D 53,975 63,513 82,563 105,375 139.719 198,889 285.775 412.775 + 0.008 +0_008 + 0.010 + 0.010 + 0.012 + 0.014 + 0,018 + 0.020 t tot. 0 1 0. 0. 1 o- 1 0 1 0 1 0 I 6. I. I J 17.5 17,5 1 20.6 1 23.8 1 27.0 1 31.8 I 38.5 1 42.9 I I I I I NOTE - General tolerance for untoleranced dimensions : t 0.4 mm. 5
3.2 Cams Reference line /- 1 No. 3 No. 4 / / I \I.-. Se&on A-A For No.3only L'= 2100 For~Nor. 4 to 20 V = 250 6
I9 2582 (Part 2) : 1997 3.2.1 Sizes in millimetres R 7.5 9.5 11.1 12.7 14.2 16.7 19.0 22.2 S 13 15 15 15 15 15 T 8 9 11 12 14 16 16 20 B a d 15O 15O 10 10 10 lo0 15 15 16 15 15O 20 2Q 20 20 20 -- _- 1. 800 tolsrmw on dimmric~nr D and E. NOTE - Gumrrl tolerance for untoleranced dimensions : f 0.4 mm. 7
IS 2582 (Pat 2) : 1987 IS0 70212 : 1975 3.3 Studs P G ) ( 8 Ic- Circulsr reference line for - setting position of stud 4 w m u --.-. I b 1 \ / I For-No. 3 only Sution A-A Circular reference line fat setting position of stud
3.3.1 Sizes in millimetres NOTE - General tolerance for untoleranced dimensions : t 0.4 mm.
IS0 70212 : 1975 3.4 Faw plrms Na5ml4 Noe.Sto20 Rekmnce line Reference \ line 1 Section A-A 10
3.4.1 Sizes in millimetres NOTE - General tolerance for untoleranced dimensions : t 0a4 mm. 11
3.5 Accessories for spindle noses and face plates 3.5.1 Sizes in millimetres 3.5.1.1 HEXAGON SOCKET HEAD SCREW FOR STUDS 3.5.1.2 HEXAGON SOCKET HEAD SCREW FOR CAMS 3.5.1.3 STOP-BOLT FOR CAMS 3.5.1.4 CHEESE HEAD SCREW FOR CAMS
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