ANSI ASME B5.60-2014 Workholding Chucks Jaw-Type Chucks.pdf

1、Workholding Chucks: Jaw-Type ChucksAN AMERICAN NATIONAL STANDARDASME B5.60-2014(Revision of ASME B5.60-2002)ASME B5.60-2014(Revision of ASME B5.60-2002)WorkholdingChucks:Jaw-Type ChucksAN AMERICAN NATIONAL STANDARDTwo Park Avenue New York, NY 10016 USADate of Issuance: February 6, 2015This Standard

2、will be revised when the Society approves the issuance of a new edition.ASME issues written replies to inquiries concerning interpretations of technical aspects ofthis Standard. Interpretations are published on the Committee Web page and undergo.asme.org/InterpsDatabase. Periodically certain actions

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10、andard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval s

11、ystem or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersTwo Park Avenue, New York, NY 10016-5990Copyright 2015 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword vCommittee Roster viCorrespon

12、dence With the B5 Committee vii1 General Description and Definitions of Terms 12 Chuck-to-Spindle Interface 43 Jaw Mountings . 374 Performance Testing . 695 Safety Code of Practice . 74Figures1-1 Example of a Power Chuck Assembly 21-2 Exploded View of a Typical Manual Chuck 31-3 Exploded View of a P

13、ower Chuck . 32-1 Type A Spindle Location of Holes and Drive Button for Sizes A-5Through A-11 . 62-2 Type A Spindle Location of Holes and Drive Button for Sizes A-15Through A-28 . 72-3 Type A Spindle Dimensions for Sizes A-3 Through A-28, and Locationof Holes and Drive Button for Sizes A2-3 and A2-4

14、 82-4 Type C Spindle 102-5 Type C Spindle Location of Holes 112-6 Type D Spindle . 132-7 Type A Spindle . 142-8 Type D Spindle Location of Holes for Size D-3 . 152-9 Type D Spindle Location of Holes for Size D-4 . 162-10 Type D Spindle Location of Holes for Sizes D-5 Through D-20 172-11 Type D Spind

15、le Cam for Size D-3 182-12 Type D Spindle Cam for Size D-4 192-13 Type D Spindle Cams for Sizes D-5 Through D-20 202-14 Type D Spindle Detent and Cam Screws . 212-15 Type D Spindle Detent and Cam Springs . 212-16 Type D Spindle Detent Plunger 212-17 Type A Chucks and Faceplates 252-18 Type A Chuck a

16、nd Faceplate Dimensions 262-19 Type C Chucks and Faceplates . 282-20 Type C Chuck and Faceplate Dimensions 292-21 Type D Chucks and Faceplates 312-22 Types D-3 and D-4 Backs of Chucks and Faceplates 322-23 Types D-5 Through D-20 Backs of Chucks and Faceplates 332-24 Type D Cam Lock Studs and Stud Lo

17、cking Screw 343-1 Fastener Guidelines . 383-2 Jaw Interface Flatness Guidelines 394-1 Spindle Verification Test for Chuck Mounted Directly on the TestSpindle . 694-2 Spindle Verification Test for Chuck Mounted on an Adapter 704-3 Geometric Tests . 704-4 Manual-Scroll Chucks: Checking Centering Accur

18、acy and Repeatabilityof Outside-Diameter Grip . 714-5 Manual-Scroll Chucks: Checking Centering Accuracy and Repeatability ofJawSteps . 72iii4-6 Power Chucks: Checking Centering Accuracy and Repeatability forExternal Chucking 724-7 Power Chucks: Checking Centering Accuracy and Repeatability forIntern

19、al Chucking . 73Forms5-1 Sample Maintenance Schedule Sheet . 775-2 Sample Grip Force Log Sheet 78Tables2-1 Type A Spindle Dimensions . 92-2 Type C Spindle Dimensions . 122-3 Type D Spindle Dimensions . 222-4 Type D Spindle Cam Dimensions 232-5 Type D Spindle Detent and Cam Screws Dimensions . 242-6

20、Type D Spindle Detent and Cam Spring Dimensions . 242-7 Type D Spindle Detent Plunger Dimensions 242-8 Type A Chuck and Faceplate Dimensions 272-9 Type C Chuck and Faceplate Dimensions 302-10 Type D Chuck and Faceplate Dimensions 352-11 Type D Chuck and Faceplate Stud Dimensions . 362-12 Type D Chuc

21、k and Faceplate Stud Locking Screw Dimensions 363-1 Top-Jaw Features 403-2 Tongue and Groove, Medium Duty Chucks, Wrench Operated 423-3 Tongue and Groove, Medium Duty Chucks, Three-Step Reversible TopJaw, Wrench Operated 443-4 Tongue and Groove, Heavy Duty Chucks, Wrench Operated 453-5 Tongue and Gr

22、oove, Heavy Duty Chucks, Three-Step Reversible Top Jaw,Wrench Operated . 473-6 Tongue and Groove, Heavy Duty Chucks, Drawbar Operated 483-7 Metric Tongue and Groove Chucks, Master Jaw 503-8 Square Serrated, Heavy Duty Chucks, Wrench or Drawbar Operated . 513-9 Square Serrated, Heavy Duty Chucks, Top

23、-Jaw Master Key . 523-10 Square Serrated, Heavy Duty Chucks, Master Jaw Nut . 533-11 Square Serrated, Heavy Duty Chucks, Three-Step Reversible Top Jaw . 543-12 Acme Serrated, Heavy Duty Chucks, Power Wrench or DrawbarOperated . 553-13 Acme Serrated, Master Key 563-14 Acme Serrated, Jaw Nut . 573-15

24、Acme Serrated, Three-Step Reversible Top Jaw . 583-16 90 deg Serrated Jaw Interface (Inch), Serration Data 593-17 90 deg Serrated Jaw Interface (Inch), Accumulated Pitch Variation 603-18 60 deg Serrated Jaw Interface (Metric), Serration Data 613-19 60 deg Serrated Jaw Interface (Metric), Accumulated

25、 Pitch Variation 623-20 60 deg Metric and 90 deg Inch Serrated Jaws and Jaw-Nut Interface 633-21 1.5 mm H11547 60 deg Serrated Top Jaw (Metric) 643-22 Pin Locator Chucks, Master Jaw . 653-23 Ball Style Chucks, Master Jaw . 663-24 Ball Style Chucks, Top Jaw 673-25 Ball Style Chucks, Jaw Nut 68Mandato

26、ry AppendixI Calculation of Force, Torque, and Speed . 79Nonmandatory AppendixA Legacy Data 83ivFOREWORDDuring the review, revision, and update of the existing inch-based American National StandardB5.8 on Chucks and Chuck Jaws, Technical Committee 11 of the ASME B5 Committee on MachineTools recogniz

27、ed the need for an industry standard on metric-dimensioned chucks.This Standard was developed after reviewing currently available national and internationalstandards, which were used as its foundation.ASME B5.60-2002 was approved by the American National Standards Institute on June 26,2002. Addenda

28、were approved on February 24, 2005 and February 2, 2009.ASME B5.60-2014 was approved by the American National Standards Institute onSeptember 15, 2014.vASME B5 COMMITTEEMachine Tools Components, Elements, Performance, andEquipment(The following is the roster of the Committee at the time of approval

29、of this Standard.)STANDARDS COMMITTEE OFFICERSS. G. Wallace, ChairD. R. Alonzo, SecretarySTANDARDS COMMITTEE PERSONNELD. R. Alonzo, The American Society of Mechanical EngineersJ. A. Babinski, Contributing Member, Thomson Aerospace however, they shouldnot contain proprietary names or information.Requ

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31、n is available. Further, persons aggrieved by aninterpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not“approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.Attending Committee Meetings. The B5 Standards Committee regularl

32、y holds meetings and/or telephone conferences that are open to the public. Persons wishing to attend any meetingand/or telephone conference should contact the Secretary of the B5 Standards Committee.Future Committee meeting dates and locations can be found on the Committee Page atgo.asme.org/B5commi

33、ttee.viiINTENTIONALLY LEFT BLANKviiiASME B5.60-2014WORKHOLDING CHUCKS: JAW-TYPE CHUCKSChapter 1General Description and Definitions of Terms1-1 INTRODUCTIONThis Standard establishes technical requirements forworkholding chucks used primarily in turning opera-tions. It covers jaw-type chucks, whether

34、manual orpower-operated.1-2 SCOPEThis Chapter covers the general description and defi-nitionsoftermsrelatedtojaw-typeworkholdingchucks.1-3 TYPES OF JAW CHUCKS BY DESIGNcompensating chuck: a chuck in which the jaw(s) movesto or away from the workpiece without altering theposition of the workpiece.ind

35、ependent chuck: a chuck in which each individualworkholding jaw is moved to or from the workpiecewithout disturbing the position of any other jaw.self-centering chuck: a chuck in which all jaws move toor away from the workpiece and maintain one commoncenter.An example of a power chuck assembly is pr

36、esented inFig. 1-1.1-4 METHODS OF ACTUATIONmanual: a chuck that is actuated by hand with the aidof human energy (e.g., by means of a chuck wrench).Refer to Fig. 1-2.power: a chuck that is actuated by means of, e.g., pneu-matic, hydraulic, or electrical energy. Refer to Fig. 1-3.1-5 DEFINITIONSactuat

37、or: a component within a chucks body, used tooperate the chucks mechanism, e.g., a wedge, lever, orscroll.1base jaw: see master jaw.centrifugal force: force generated by rotation that tendsto move all parts radially away from the axis of rotationof the chuck.chuck adapter: interface between the mach

38、ine and thechuck. It can be a separate component or integral to thechuck body.chuck body: that partof the chuckthat containsthe actua-tor and master jaws.clamping cylinder: device that actuates thechuck througha drawbar or drawtube with the aid of pneumatic orhydraulic energy.clamping force: algebra

39、ic sum of the individual radialforces applied by the top jaws on the workpiece.clamping torque: product of the clamping force, clampingradius, and the coefficient of friction between the topjaw(s) and the workpiece.countercentrifugal chuck: a chuck in which there is a sys-tem that permits compensati

40、on for the loss of clampingforce due to centrifugal force.drawbar: a bar or tube that connects the clamping cylin-der to the chucks actuator to transmit the input forceto the chuck.dynamic clamping force: actual clamping force when thechuck is rotating.hysteresis: changeinstaticclamping forceafterth

41、echuckhas been rotated at working rotational speed with aconstant input force.indicating band:adiameteronthechuckbodydesignatedfor measuring runout of a chuck.input force: force acting on the chucks actuator, appliedfrom an external energy source.input torque: torque acting on the chucks actuator,ap

42、plied from an external energy source.master jaw: radial moving part within the chuck bodyto which the top jaw is mounted.maximum rotational speed: maximum rotational speed inrpm specified by the manufacturer for a chuck withASME B5.60-2014standard jaws in compliance with the manufacturersinstruction

43、s.maximum static clamping force: maximum clamping forceobtained when the maximum permissible input force(or maximum input torque) is applied to a particularchuck.moment of inertia: moment of inertia with respect to agiven axis is the limit of the sum of the products of themass of each of the element

44、al particles in which thebody may be conceived to be divided and the squareof their distance from the given axis.Fig. 1-1 Example of a Power Chuck Assembly2rotational balance: equilibrium of all masses around theaxis of rotation any difference(s) between the axis ofrotation and the center of gravity

45、 will cause imbalance.static clamping force: clamping force of the chuck whenthe chuck is not rotating.top jaw: component that clamps the workpiece and ismounted on a master jaw.workholding chuck: a clamping device with movablejaw(s) to hold a workpiece, designated hereinafter as a“chuck.”working ro

46、tational speed: rotational speed in rpm undermachining conditions.ASME B5.60-2014Fig. 1-2 Exploded View of a Typical Manual ChuckChuck body backScrollChuck body frontPinionMaster jaw(base jaw)Top jawTop jawmountingscrewsChuckmountingscrewsFig. 1-3 Exploded View of a Power ChuckChuck bodyMaster jaw(b

47、ase jaw)Draw barDraw tubeClampingcylinderChuckmountingscrewsTop jawmountingscrewsTop jawJaw nutChuck adapterActuator(wedge)3ASME B5.60-2014Chapter 2Chuck-to-Spindle Interface2-1 SCOPE AND PURPOSEThis Chapter covers spindle noses for use on turningmachines. Dimensions for each size and type of spindl

48、enose, as well as the corresponding backs of chucks, face-plates, or fixtures, have been updated using metricdimensioning. Tolerances have been revised in order tominimize chuck distortion.This Section replaces American National StandardB5.9-1967, reaffirmed 2014. For informational purposes,legacyda

49、tafromthis now-obsoletestandardisprovidedin Nonmandatory Appendix A.2-2 NOMENCLATURE2-2.1 Spindle SizesThe accompanying tables list the dimensions ofTypes A, C, and D spindle noses. Nine sizes from 3through 28 are provided in Type A, tapered nose, andare shown in Table 2-1. Type A is divided into twocategories, A1 and A2. Type A1 is provided with holesin both the inner and outer bolt circles in sizes 5 through28 (Figs. 2-1 and 2-2). Type A2 has holes in the outerbolt circle only, in sizes 3 through 28. The smaller sizes 3and4 areavailable inTypeA2 only(Fig. 2-3).Cylindrical