Specification for chucks for machine tools and portable power tools Tool-holding chucks

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

21-03-1969

Publisher

British Standards Institution

Co-operating organizations
Foreword
Specification
1 Scope
2 Description of types of tool-holding chucks
3 Mounting details
4 Accuracy
5 Marking of chucks and keys
6 Torque ratings
Appendix
A Typical chuck capacities by types and related
    mounting details
Tables
1 Short morse taper bores in chucks
2 Short morse taper shanks on spindle ends
3 Jacobs taper bores in chunks
4 Jacobs taper shanks on spindle ends
5 Internal thread in chuck body
6 External thread on spindle end
7 External thread on chuck body
8 Internal thread in spindle end
9 Accuracy tests on chucks
10 Maximum distances from outer face of jaws of chunks
    at which readings are take
11 Chucks other than quick change collet type
    industrial chucks
Figures
1 A typical guided three-jaw light duty chuck
2 A typical guided three-jaw industrial chuck
3 A typical guided three-jaw, keyless, self tightening
    chuck
4 A typical tap-holding industrial chuck
5 A typical quick change collet type industrial chuck
6 Taper bore in chuck
7 Spindle end with taper shank
8 Taper bore in chuck
9 Spindle end with taper shank
10 Internal thread in chuck body
11 External thread on spindle end
12 External thread on chuck body
13 Internal thread in spindle end
14 Chuck arbors
15 Rotational accuracy test
16 Minimum torque transmitted (millimetre dimensions)
17 Minimum torque transmitted (inch dimensions)

Specifies requirements for mounting and accuracy of tool-holding chucks for use in machine tools and portable power tools. Five types of chuck are covered: guided three-jaw light duty, guided three-jaw industrial; guided three-jaw, keyless, self-tightening; tap-holding industrial chuck; quick change collet type industrial chuck.

This British Standard specifies requirements for the mounting and accuracy of tool-holding chucks for use in machine tools and portable power tools and in particular to the five types of these chucks described in Clause 2. Examples of typical chuck capacities by types, and related mounting details are shown in Appendix A.

NOTE 1 The millimetre and inch dimensions given in Table 1, Table 2, Table 3 and Table 4 are sufficiently close conversions that chucks dimensioned in millimetres may be used with spindles dimensioned in inches and vice versa.

NOTE 2 In Clause 4, all the millimetre dimensions relate to chucks whose rated capacities are stated in millimetres and the inch dimensions to those whose rated capacity is stated in inches. Corresponding values are in general equivalent to each other but are not accurate conversions.

NOTE 3 More accurate conversions should be based on the data in BS 350, “Conversion factors and tables”.

Committee	W/-
DevelopmentNote	Supersedes 67/31056 DC (06/2005) Reviewed and confirmed by BSI, December 2009. (11/2009)
DocumentType	Standard
Pages	28
PublisherName	British Standards Institution
Status	Current

Standards	Relationship
ISO 239:1999	Similar to

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BS 1660-1:1988	Machine tapers Specification for shanks and sockets with self-holding tapers (Morse and metric 5%)
BS 308(1966) : LATEST
BS 1134:1961	Centre-line-average height method for the assessment of surface texture
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BS 2556:1954	Hand and breast drills

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BS 1983-1:1969

Specification for chucks for machine tools and portable power tools Tool-holding chucks

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referenced By This Book

Standards Referencing This Book

Category

Subcategory