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ASME B5.60-2014 (R2019) Workholding Chucks: Jaw Type Chucks

standard by ASME International, 02/06/2015

Full Description

This Standard establishes technical requirements for workholding chucks used primarily in turning operations. It covers jaw type chucks, whether manual or power operated. This Standard covers spindle noses for use on turning machines, the interface of two-piece chuck jaws, the geometric test procedures for measuring accuracy of self-centering jaw-type chucks, and the safety requirements for jaw-type workholding chucks.

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Workholding Chucks:

Jaw-Type Chucks


AN A MERICAN NA TIONAL S T AND ARD


ASME B5.60-2014

(Revision of ASME B5.60-2002)

ASME B5.60-2014

(Revision of ASME B5.60-2002)


Workholding Chucks:

Jaw-Type Chucks



AN AMERICAN NA TIONAL S T AND ARD



Two Park Avenue • New York, NY • 10016 USA


Date of Issuance: February 6, 2015


This Standard will be revised when the Society approves the issuance of a new edition.


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The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990


Copyright © 2015 by

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

All rights reserved Printed in U.S.A.


CONTENTS

Foreword v

Committee Roster vi

Correspondence With the B5 Committee vii


1

General Description and Definitions of Terms ..............................

1

2

Chuck-to-Spindle Interface ................................................

4

3

Jaw Mountings ...........................................................

37

4

Performance Testing .....................................................

69

5

Safety Code of Practice ...................................................

74

Figures

1-1

Example of a Power Chuck Assembly ....................................

2

1-2

Exploded View of a Typical Manual Chuck ..............................

3

1-3

Exploded View of a Power Chuck .......................................

3

2-1


2-2


2-3

Type A Spindle Location of Holes and Drive Button for Sizes A-5

Through A-11 .........................................................

Type A Spindle Location of Holes and Drive Button for Sizes A-15 Through A-28 .........................................................

Type A Spindle Dimensions for Sizes A-3 Through A-28, and Location

of Holes and Drive Button for Sizes A2-3 and A2-4 ....................


6


7


8

2-4

Type C Spindle ..........................................................

10

2-5

Type C Spindle Location of Holes ........................................

11

2-6

Type D Spindle .........................................................

13

2-7

Type A Spindle .........................................................

14

2-8

Type D Spindle Location of Holes for Size D-3 ...........................

15

2-9

Type D Spindle Location of Holes for Size D-4 ...........................

16

2-10

Type D Spindle Location of Holes for Sizes D-5 Through D-20 ............

17

2-11

Type D Spindle Cam for Size D-3 ........................................

18

2-12

Type D Spindle Cam for Size D-4 ........................................

19

2-13

Type D Spindle Cams for Sizes D-5 Through D-20 ........................

20

2-14

Type D Spindle Detent and Cam Screws .................................

21

2-15

Type D Spindle Detent and Cam Springs .................................

21

2-16

Type D Spindle Detent Plunger ..........................................

21

2-17

Type A Chucks and Faceplates ..........................................

25

2-18

Type A Chuck and Faceplate Dimensions ................................

26

2-19

Type C Chucks and Faceplates ...........................................

28

2-20

Type C Chuck and Faceplate Dimensions ................................

29

2-21

Type D Chucks and Faceplates ..........................................

31

2-22

Types D-3 and D-4 Backs of Chucks and Faceplates ......................

32

2-23

Types D-5 Through D-20 Backs of Chucks and Faceplates ................

33

2-24

Type D Cam Lock Studs and Stud Locking Screw ........................

34

3-1

Fastener Guidelines .....................................................

38

3-2

Jaw Interface Flatness Guidelines ........................................

39

4-1

Spindle Verification Test for Chuck Mounted Directly on the Test

Spindle ...............................................................


69

4-2

Spindle Verification Test for Chuck Mounted on an Adapter ..............

70

4-3

Geometric Tests .........................................................

70

4-4


4-5

Manual-Scroll Chucks: Checking Centering Accuracy and Repeatability

of Outside-Diameter Grip .............................................

Manual-Scroll Chucks: Checking Centering Accuracy and Repeatability of Jaw Steps .............................................................


71


72

iii


4-6


4-7

Power Chucks: Checking Centering Accuracy and Repeatability for External Chucking ....................................................

Power Chucks: Checking Centering Accuracy and Repeatability for Internal Chucking .....................................................


72


73

Forms

5-1

Sample Maintenance Schedule Sheet .....................................

77

5-2

Sample Grip Force Log Sheet ............................................

78

Tables

2-1

Type A Spindle Dimensions .............................................

9

2-2

Type C Spindle Dimensions .............................................

12

2-3

Type D Spindle Dimensions .............................................

22

2-4

Type D Spindle Cam Dimensions ........................................

23

2-5

Type D Spindle Detent and Cam Screws Dimensions .....................

24

2-6

Type D Spindle Detent and Cam Spring Dimensions .....................

24

2-7

Type D Spindle Detent Plunger Dimensions ..............................

24

2-8

Type A Chuck and Faceplate Dimensions ................................

27

2-9

Type C Chuck and Faceplate Dimensions ................................

30

2-10

Type D Chuck and Faceplate Dimensions ................................

35

2-11

Type D Chuck and Faceplate Stud Dimensions ...........................

36

2-12

Type D Chuck and Faceplate Stud Locking Screw Dimensions ............

36

3-1

Top-Jaw Features ........................................................

40

3-2

Tongue and Groove, Medium Duty Chucks, Wrench Operated ............

42

3-3

Tongue and Groove, Medium Duty Chucks, Three-Step Reversible Top

Jaw, Wrench Operated ................................................


44

3-4

Tongue and Groove, Heavy Duty Chucks, Wrench Operated ..............

45

3-5

Tongue and Groove, Heavy Duty Chucks, Three-Step Reversible Top Jaw,

Wrench Operated .....................................................


47

3-6

Tongue and Groove, Heavy Duty Chucks, Drawbar Operated ............

48

3-7

Metric Tongue and Groove Chucks, Master Jaw ..........................

50

3-8

Square Serrated, Heavy Duty Chucks, Wrench or Drawbar Operated .....

51

3-9

Square Serrated, Heavy Duty Chucks, Top-Jaw Master Key ...............

52

3-10

Square Serrated, Heavy Duty Chucks, Master Jaw Nut ...................

53

3-11

Square Serrated, Heavy Duty Chucks, Three-Step Reversible Top Jaw .....

54

3-12

Acme Serrated, Heavy Duty Chucks, Power Wrench or Drawbar

Operated .............................................................


55

3-13

Acme Serrated, Master Key ..............................................

56

3-14

Acme Serrated, Jaw Nut .................................................

57

3-15

Acme Serrated, Three-Step Reversible Top Jaw ...........................

58

3-16

90 deg Serrated Jaw Interface (Inch), Serration Data ......................

59

3-17

90 deg Serrated Jaw Interface (Inch), Accumulated Pitch Variation ........

60

3-18

60 deg Serrated Jaw Interface (Metric), Serration Data ....................

61

3-19

60 deg Serrated Jaw Interface (Metric), Accumulated Pitch Variation ......

62

3-20

60 deg Metric and 90 deg Inch Serrated Jaws and Jaw-Nut Interface ......

63

3-21

1.5 mm 60 deg Serrated Top Jaw (Metric) ..............................

64

3-22

Pin Locator Chucks, Master Jaw .........................................

65

3-23

Ball Style Chucks, Master Jaw ...........................................

66

3-24

Ball Style Chucks, Top Jaw ..............................................

67

3-25

Ball Style Chucks, Jaw Nut ..............................................

68


Mandatory Appendix

I Calculation of Force, Torque, and Speed 79

Nonmandatory Appendix

A Legacy Data 83

iv


FOREWORD


During the review, revision, and update of the existing inch-based American National Standard B5.8 on Chucks and Chuck Jaws, Technical Committee 11 of the ASME B5 Committee on Machine Tools recognized the need for an industry standard on metric-dimensioned chucks.

This Standard was developed after reviewing currently available national and international standards, which were used as its foundation.

ASME B5.60-2002 was approved by the American National Standards Institute on June 26, 2002. Addenda were approved on February 24, 2005 and February 2, 2009.

ASME B5.60-2014 was approved by the American National Standards Institute on September 15, 2014.


v


ASME B5 COMMITTEE

Machine Tools — Components, Elements, Performance, and Equipment

(The following is the roster of the Committee at the time of approval of this Standard.)


STANDARDS COMMITTEE OFFICERS

S. G. Wallace, Chair

D. R. Alonzo, Secretary


STANDARDS COMMITTEE PERSONNEL

D. R. Alonzo, The American Society of Mechanical Engineers

J. A. Babinski, Contributing Member, Thomson Aerospace & Defense

A. M. Bratkovich, Consultant

J. B. Bryan, Honorary Member, Consultant

H. M. Byrnes, Colfax Fluid Handling

H. Cooper, Honorary Member, Consultant

J. D. Drescher, UTC — Pratt & Whitney

D. A. Felinski, B11 Standards, LLC

D. Mancini, Edmunds Gages

J. A. Soons, National Institute of Standards and Technology

R. C. Spooner, Powerhold, Inc.

D. Springhorn, Stateline Services Division, LLC

S. G. Wallace, The Boeing Co.


TECHNICAL COMMITTEE 11 — CHUCKS AND CHUCK JAWS

  1. C. Spooner, Chair, Powerhold, Inc.

  2. M. Looney, Vice Chair, Workholding Consultant

A. M. Bratkovich, Consultant

S. Hastert, LaFox Tool, Inc.

C. Mayfield, Abbott Workholding Products

G. J. Norton, Buck Forkardt, Inc.

S. N. Roth, SMW Autoblok Corp.

A. J. Storms, ITW/Workholding

J. T. Weber, Positrol, Inc.

T. M. Winard, NorthTech Workholding


vi


CORRESPONDENCE WITH THE B5 COMMITTEE


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Secretary, B5 Standards Committee

The American Society of Mechanical Engineers Two Park Avenue

New York, NY 10016-5990

https://go.asme.org/Inquiry

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vii

ASME B5.60-2014


WORKHOLDING CHUCKS: JAW-TYPE CHUCKS


Chapter 1

General Description and Definitions of Terms