BS ISO 3089-2006 Machine tools - Test conditions for self-centring manually-operated chucks with one-piece jaws《机床 单爪自动定心手动卡盘的试验条件》.pdf

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1、BRITISH STANDARDBS ISO 3089:2005Machine tools Test conditions for self-centring, manually-operated chucks with one-piece jawsICS 25.060.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3

2、g38g50g51g60g53g44g42g43g55g3g47g36g58BS ISO 3089:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 20 January 2006 BSI 20 January 2006ISBN 0 580 47456 9National forewordThis British Standard reproduces verbatim ISO 3089:2005 and implements

3、 it as the UK national standard. It supersedes BS 1983-2:1994 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee MTE/1, Machine tools, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its

4、 secretary.Cross-referencesThe British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or o

5、f British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; p

6、resent to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an ins

7、ide front cover, the ISO title page, pages ii to iv, pages 1 to 12, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsReference numberISO 3089:2005(E)INTERNATI

8、ONAL STANDARD ISO3089Third edition2005-11-15Machine tools Test conditions for self-centring, manually-operated chucks with one-piece jaws Machines-outils Conditions dessai pour mandrins serrage concentrique et commande manuelle avec mors monobloc BS ISO 3089:2005ii iiiContents Page Foreword iv 1 Sco

9、pe . 1 2 Normative references . 1 3 Preliminary remarks . 1 4 Accuracy classes 1 5 Geometric tests. 1 5.1 Master pinion. 1 5.2 Input torque . 1 5.3 Test mandrels 2 5.4 Test rings. 2 5.4.1 General. 2 5.4.2 Accuracy of the test rings for external jaws 2 5.4.3 Accuracy of the test rings for internal ja

10、ws. 2 5.5 Spindle or face plate accuracy 2 5.6 Chuck accuracy 5 Bibliography . 12 BS ISO 3089:2005iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally

11、 carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the w

12、ork. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare Int

13、ernational Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of

14、the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 3089 was prepared by Technical Committee ISO/TC 39, Machine tools, Subcommittee SC 8, Work holding spindles and chucks. This third edition cancels a

15、nd replaces the second edition (ISO 3089:1991), which has been technically revised. In particular, the tables and figures have been modified. BS ISO 3089:20051Machine tools Test conditions for self-centring, manually-operated chucks with one-piece jaws 1 Scope This International Standard specifies,

16、with reference to ISO 230-1, the geometric tests and corresponding tolerances for self-centring, manually-operated chucks for machine tools with more than two jaws. This type of chuck has jaws known as “one-piece hard jaws”, the relatively large stroke of which allows quick adaptation to the most va

17、ried sizes of workpieces without dismounting. This International Standard deals only with the inspections of rotational accuracy of the chuck, the straightening and the centring of workpieces. It is not applicable to other dynamic quantities, such as measurement of counterbalancing or measurements g

18、ripping powers. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 230-1:

19、1996, Test code for machine tools Part 1: Geometric accuracy of machines operating under no-load or finishing conditions 3 Preliminary remarks All dimensions and tolerances in this International Standard are expressed in millimetres. 4 Accuracy classes Unlike the previous edition, this International

20、 Standard specifies only one accuracy class. 5 Geometric tests 5.1 Master pinion Tightening of the chuck on the test mandrels (test G3) or on the test rings (test G4 to G7) shall be carried out using the master pinion only. The master pinion is a pinion nominated as the reference pinion. 5.2 Input t

21、orque For geometric tests, the input torque shall be the same approximately 67 % of maximum input torque as specified by the manufacturer. BS ISO 3089:20052 5.3 Test mandrels The test mandrels shall be manufactured from solid steel and hardened to avoid damage to external surface due to the gripping

22、 force of the chuck. The accuracy of test mandrels used shall be as specified in ISO 230-1:1996, A.3, for test mandrels of similar diameters. 5.4 Test rings 5.4.1 General Test rings/discs shall be manufactured from solid steel and hardened to avoid damage to the active surfaces due to the gripping f

23、orce of the chuck. In order to minimize the effects of possible distortions of the test ring, it is recommended that readings be taken next to the jaws. 5.4.2 Accuracy of the test rings for external jaws The accuracy of test rings/discs for external jaws should satisfy the values listed in Table 1.

24、Table 1 Test rings for external jaws d2a b c e u 200 0,003 0,003 0,003 0,003 200 u 400 0,005 0,005 0,005 0,005 5.4.3 Accuracy of the test rings for internal jaws The accuracy of test rings for internal jaws should satisfy the values listed in Table 2. Table 2 Test rings for internal jaws d3f g h k u

25、 125 0,003 0,003 0,003 0,003 125 u 315 0,005 0,005 0,005 0,005 5.5 Spindle or face plate accuracy Since all the geometric tests to be carried out involve the chuck rotation, the chuck should be mounted on a test spindle either directly or by means of a face plate. The radial run-out on the outside d

26、iameter of the test spindle or face plate and the camming at any point on its face shall have been previously checked as described by G01 and G02. BS ISO 3089:20053G01Object Checking of radial run-out of the spindle nose or face plate. Diagram Tolerance 0,005 Measured deviation Measuring instruments

27、 Dial gauge. References to ISO 230-1:1996 and observations 5.611.4 and 5.612.2 In the case of tapered spindle nose, the stylus of the dial gauge shall be set normal to the surface to be checked. BS ISO 3089:20054 G02Object Checking of camming of the spindle nose or face plate. Diagram Tolerance 0,00

28、5 Measured deviation Measuring instruments Dial gauge. References to ISO 230-1:1996 and observations 5.6.3 BS ISO 3089:200555.6 Chuck accuracy G1 Object Checking of radial run-out of the outside diameter. Diagram Nominal diameter of chuck d1 nomTolerance x (full indicator movement) d1 nomu 125 0,02

29、125 d1 nomu 200 0,03 200 d1 nomu 315 0,04 315 d1 nomu 500 0,05 500 d1 nomu 800 0,06 Measured deviation For d1 nom= : Measuring instruments Dial gauge. NOTE Two measurements are possible: a) the chuck is mounted on a spindle, or b) with a measuring machine. The results of both measurements may differ

30、 depending on the tolerances of spindle noses and chucks References to ISO 230-1 and observations BS ISO 3089:20056 G2 Object Checking of camming of the chuck face. Diagram Nominal diameter of chuck d1 nomTolerance x (full indicator movement) d1 nomu 125 0,02 125 d1 nomu 200 0,03 200 d1 nomu 315 0,0

31、4 315 d1 nomu 500 0,05 500 d1 nomu 800 0,06 Measured deviation For d1 nom= : Measuring instruments Dial gauge. NOTE Two measurements are possible: a) the chuck is mounted on a spindle, or b) with a measuring machine. The results of both measurements may differ depending on the tolerances of spindle

32、noses and chucks References to ISO 230-1 and observations For the purpose of this test the dial gauge shall be placed on the largest possible diameter. BS ISO 3089:20057G3 Object Checking of accuracy of grip on test mandrels. Diagram Nominal diameter of chuck d1 nomDistance of dial gauge from top of

33、 jaws l Tolerance x (full indicator movement) d1 nomu 125 50 0,04 125 d1 nomu 200 50 0,06 200 d1 nomu 315 75 0,08 315 d1 nomu 500 100 0,10 500 d1 nomu 800 125 0,12 Measured deviation For d1 nom= : Measuring instruments Dial gauge. References to ISO 230-1 and observations The number of test mandrels

34、to be used is four. The mandrels shall be of different diameters. The sizes of test mandrel diameters to be used shall be proportionate to the scroll pitch so that various angular scroll positions differ from one test mandrel to another through an arc subtending an angle of approximately 90. The siz

35、es of test mandrel diameters shall be smaller than the diameter at which the jaws are bored. The contact of each jaw on the test mandrels shall be made gripping along the centre line of each jaw, it being understood that any increase in the number of contact points or in their width would upset the

36、centring and make the test difficult to carry out. Test G3 shall be repeated not less than three times for each test mandrel to check the repeatability of gripping; each measured deviation shall fall within the quoted full indicator movement figure. In order to ensure the maximum stability of grip o

37、f the jaws on the test mandrels, the test mandrel diameter shall never be larger than the bore diameter of the chuck. BS ISO 3089:20058 G4 Object Checking of accuracy of external grip on test rings: radial run-out. Diagram Nominal diameter of chuck d1 nomTolerance x (full indicator movement) d1 nomu

38、 125 0,03 125 d1 nomu 200 0,05 200 d1 nomu 315 0,07 315 d1 nomu 500 0,09 500 d1 nomu 800 0,11 Measured deviation For d1 nom= : Measuring instruments Dial gauge. References to ISO 230-1 and observations Each jaw step shall be tested. A single test ring should be used for each step. The external diame

39、ter of the test ring shall be larger than the diameter at which the steps of the jaws have been ground. BS ISO 3089:20059G5 Object Checking of accuracy of external grip on test rings: camming. Diagram Nominal diameter of chuck d1 nomTolerance x (full indicator movement) d1 nomu 125 0,03 125 d1 nomu

40、200 0,04 200 d1 nomu 315 0,05 315 d1 nomu 500 0,06 500 d1 nomu 800 0,07 Measured deviation For d1 nom= : Measuring instruments Dial gauge. References to ISO 230-1 and observations Each jaw step shall be tested. A single test ring should be used for each step. The external diameter of the test ring s

41、hall be smaller than the diameter at which the steps of the jaws have been ground. For the purpose of this test the dial gauge shall be placed on the largest possible diameter. BS ISO 3089:200510 G6 Object Checking of accuracy of internal grip on test rings: radial run-out. Diagram Nominal diameter

42、of chuck d1 nomTolerance x (full indicator movement) d1 nomu 125 0,03 125 d1 nomu 200 0,05 200 d1 nomu 315 0,07 315 d1 nomu 500 0,09 500 d1 nomu 800 0,11 Measured deviation For d1 nom= : Measuring instruments Dial gauge. References to IOS 230-1 and observations Each jaw step shall be tested. A singl

43、e test ring should be used for each step. The internal diameter of the test ring shall be larger than the diameter at which the steps of the jaws have been ground. BS ISO 3089:200511G7 Object Checking of accuracy of internal grip on test rings: camming. Diagram Nominal diameter of chuck d1 nomTolera

44、nce x (full indicator movement) d1 nomu 125 0,03 125 d1 nomu 200 0,04 200 d1 nomu 315 0,05 315 d1 nomu 500 0,06 500 d1 nomu 800 0,07 Measured deviation For d1 nom= : Measuring instruments Dial gauge. References to IOS 230-1 and observations Each jaw step shall be tested. A single test ring should be

45、 used for each step. The internal diameter of the test ring shall be larger than the diameter at which the steps of the jaws have been ground. The dial gauge shall be placed on the smallest possible diameter. BS ISO 3089:200512 Bibliography 1 ISO 1101, Geometrical Product Specifications (GPS) Geomet

46、rical tolerancing Tolerances of form, orientation, location and run-out BS ISO 3089:2005blankBS ISO 3089:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in

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