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ASME B94 33 1-1997 Jig Bushings (Metric)《米制钻套》.pdf

1、 The American Society of Mechanical Engineers AN AME IC AT Date of Issuance: October 26, 1998 This Standard will be revised when the Society approves the issuance of a new edition. There will be no addenda or written interpretations of the requirements of this Standard issued to this edition. Follow

2、ing approval by the ASME B94 Committee and ASME, and after public review, this Standard was approved as an American National Standard on September 22, 1997. ASME is the registered trademark of The American Society of Mechanical Engineers. This code or standard was developed under procedures accredit

3、ed as meeting the criteria for American National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public re

4、view and comment which provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large. ASME does not “approve,“ “rate,“ or “endorse“ any item, construction, proprietary device, or activity. ASME does not take any position with respect to the

5、 validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable Letters Patent, nor assume any such liability. Users of a code or standard are expressly

6、advised that the determination of the validity of any such patent rights, and the risk of the infringement of such rights, is entirely their own responsibility. Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry

7、endorsement of this code or standard. ASME accepts responsibility for only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual volunteers. No part of this document may be reproduced in any form, in an ele

8、ctronic retrieval system or otherwise, without the prior written permission of the publisher. The American Society of Mechanical Engineers Three Park Avenue, New York, NY 10016-5990 Copyright 0 1998 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A. (This foreword

9、is not part of ASME 694.33.1-1997.) In December 1996 ANSI approved the ASME B94.33.1-I996 Standard on Jig Bushings. Following the completion of this work, the B94 Subcommittee on Jig Bushings undertook the development of a metric jig bushing standard. The format closely followed that of the inch Sta

10、ndard and the work was completed on April I I, 1997, when the document was approved by the B94 Main Committee. The B94.33.1 Standard was approved by ANSI on September 22, 1997. . 111 (The following is the roster of the Committee at the time of approval of this Standard.) OFFBCERS P. Bourg, Chair B.

11、P. Biddinger, Secretary P. Bourg, Tivoly, Inc. A. M. Bratkowich, The Association for Manufacturing Technology E. J. Czopor, E & S Sales, Inc. D. Fischer, The Wapakoneta Machine Co. W. E. Gill, Keen Agers, Inc. D. J. Lionette, Porter Precision Products M. E. Merchant, Institute of Advanced Manufactur

12、ing Science V. J. Peterson, Kennametal C. W. Preuss, Kingsford Broach and Tool C. M. Stockinger, U.S. Cutting Tool Institute J. Wherry, Cemented Carbide Products Association J. Evans, Chair, Acme Industrial Co. D. Bethke, United California Corp. C. DeLonghi, C.C.D. Consulting Corp. K. Konet, Economy

13、 Bushing Co. R. Okolischan, Carr Lane Manufacturing Co. N. Shew, All American Products Co. A. Steele, American Drill Bushing Co. R. Villik, Villik Precision Industries V . Foreword . III Standards Committee Roster v 1 $CQpe 1 2 $aOUPQS . 1 3 GlmKa! 1 3.1 Press Fit Bushings . 1 3.2 Renewable Bushings

14、 . 1 3.3 Liner Bushings 1 3.4 Bushing Specifications . 1 4 Jig !%JShiUlg DSigUIatiQlm $yShtl 1 4.1 Type Bushing . 1 4.3 Body Length 1 4.4 Inside Diameter . 1 4.5 Example 2 4.2 Body Diameter 1 5 DSigUIahUI SySueWa ffOlr !XBCkSCWWS and hDgPS . 2 5.1 Letters “LSM” Denote Lockscrew 2 5.2 Letters “RCM” D

15、enote Round Clamp . 2 Figlap. I Press Fit Bushings . 2 2 Renewable Bushings and Liner Bushings . 2 Tables 1 Plain-Type Press Fit Bushings (Type PM) 3 2 Head-Type Press Fit Bushings (Type HM) 5 Specifications for Plain- and Head-Type Press Fit Bushings 4 3 Slip-Fixed Type Renewable Bushings (Type SFM

16、) 8 Specifications for Slip-Fixed Type Renewable Bushings 7 4 Plain-Type Liner Bushings (Type PM) IO 5 Head-Type Liner Bushings (Type HM) . 12 6 Lockscrews for Standard Mounting of Slip-Fixed 7 Lockscrews for Projected Mounting of Slip-Fixed Specifications for Plain- and Head-Type Liner Bushings . 7

17、 Renewable Bushings . 13 Renewable Bushings . 14 Specifications for Lockscrews 1 . 7 vii 8 Optional Round Clamps for Standard Mounting of Slip-Fixed 9 Optional Round Clamps for Projected Mounting of Slip-Fixed Renewable Bushings . 14 Renewable Bushings . 15 Specifications for Round Clamps . 7 10 Loc

18、king-Mechanism Dimensions of Slip-Fixed Renewable Bushings 15 I I Standard Metric Drill Sizes 16 viii ASME 894.33.1-1997 1 SCOPE or more operations requiring different inside diameters This Standard covers the American National Standard practice for sizes, types, tolerances, and identification of me

19、tric jig bushings and locking devices used for are performed in a single jig, such as where drilling is followed by reaming, tapping, spot facing, counterbor- ing, or some other secondary operation. (See Fig. 2.) securing the bushing in the jig or -bushing plate. 2 PURPOSE 3.3 Bineu Bushings Liner b

20、ushings are provided with and without heads and are permanently installed in a jig to receive the renewable bushings. They are sometimes called “master The purpose of .this Standard is to provide the bushings, (See Fig. 2.) necessary information for the design, procurement, and installation of metri

21、c jig bushings. 3 GENERAL 3.1 Puess Fiu Bushings Press fit bushings to guide the tool are installed directly in the jig without the use of a liner and are employed principally where the bushings are used for short production runs and will not require replacement. They are also intended for use where

22、 the closeness of the center distance of holes will not permit the installation of liners and renewable bushings. Press fit bushings are made in two types, with heads and without. (See Fig. I .) enewable Bushings Renewable bushings to guide the tool are for use in liners which in turn are installed

23、in the jig. They are used where the bushings will wear out or become obsolete before the jig or where several bushings are to be interchangeable in one hole. They are usually 3.4 BUShiUIg SpeCiffiC8IUiQUIs The dimensions and tolerances of jig bushings shall conform to the specifications given in the

24、 following tables and notes. 4.1 Type Bushing Specify by letter. PM: press fit, plain (also plain liner) HM: press fit, headed (also headed liner) SFM: renewable, slip-fixed Carbide bushings should use the letter “C” after the type designation (e.g., a slip-fixed renewable carbide bushing would be d

25、esignated SFMC). 4.2 Body DiameUer Specify body diameter in millimeters. made with a knurled head to facilitate removal. There are “fixed” and “slip” milled notches combined 4.3 heonguh on the head of renewable bushings. There is one type of renewable bushing, slip-fixed renewable. Specify the effec

26、tive length in millimeters. (a) The fixed side of the renewable bushing is used with the intention of leaving it in place until worn out. (b) The slip side of the renewable bushing is used with the intention of changing it frequently in a given Specify by inside diameter of hole size in millimeters

27、size of liner. This side is most often used where two (two-place decimal). 4.4 Onside DiameUeu ASME 894.33.1-1997 JIG BUSHINGS (METRIC) Plain Type Head Type FIG. Q PRESS FIT BUSHINGS SlipFixed Renewable Bushing Slip-Fixed Renewable Bushing in a Plain-Type Liner Bushing in a Head-Type Liner Bushing F

28、IG. 2 RENEWABLE BUSHINGS AND LINER BUSHINGS 4.5 Example SFM-8- 12-4.50 Bushing type: SFM, renewable, slip-fixed Body diameter: 8 mm Body length: 12 mm Inside diameter hole size: 4.50 mm 5 DESIGNATION SYSTEM FOR LOCKSCREWS AND CLAMPS 5.1 Letters “LSM“ Denote Lockscrew (a) LSM-1 Lockscrew for SFM bush

29、ings with 8 and 10 mm outside diameters (flush-mounted liner). (b) LSM-,2 Lockscrew for SFM bushings with 8 and IO mm outside diameters (projected liner). (e) LSM-3 Lockscrew for SFM bushings with 12, 15, and 18 mm outside diameters (flush-mounted liner). (d) LSM-4 Lockscrew for SFM bushings with 12

30、, 15, and 18 mm outside diameters (projected liner). (e) LSM-5 Lockscrew for SFM bushings with 22, 26, 30, 35, and 42 mm outside diameters (flush-mounted liner). (f, LSM-6 Lockscrew for SFM bushings with 22, 26, 30, 35, and 42 mm outside diameters (projected liner). (g) LSM-7 Lockscrew for SFM bushi

31、ngs with 48 and 55 mm outside diameters (projected liner). 5.2 Letters “RCM“ Denote Round Clamp (a) RCM-I Round clamp for SFM bushings with (b) RCM-2 Round clamp for SFM bushings with 8 and IO mm outside diameters (projected liner). (c) RCM-3 Round clamp for FM bushings with 12, 15, and 18 mm outsid

32、e diameters (flush-mounted liner). (d) RCM-4 Round clamp for SFM bushings with 12, 15, and 18 mm outside diameters (projected liner). (e) RCM-5 Round clamp for SFM bushings with 22, 26, 30, 35, and 42 mm outside diameters (flush- mounted liner). (“1 RCM-6 Round clamp for SFM bushings with 22, 26, 30

33、, 3.5, and 42 mm outside diameters (projected liner). (g) RCM-7 Round clamp for SFM bushings with 48 and 55 mm outside diameters (flush-mounted liner). (h) RCM-8 Round clamp for SFM bushings with 8 and IO mm diameters (flush-mounted liner). 48 and 55 mm outside diameters (projected liner). 2 JIG BUS

34、HINGS (METRIC) ASME 694.33.1-1997 Range of Body Diameter Diameters (s6) Inside B Overall Entrance a Length Radius C Q (G6) Nominal Max. Wlin. (20.4) (Min.) Number 0.35 to 1.80 4 4.027 4.019 6 9 0.4 PM-4-6 PM-4-9 1.81 to 2.60 5 5.027 5.019 6 9 0.4 PM-5-6 PM-5-9 8 PM-6-8 2.61 to 3.30 6 6.027 6.019 12

35、0.4 PM-6-12 16 PM-6-16 8 PM-7-8 3.31 to 4.00 7 7.032 7.023 12 0.4 PM-7-12 16 PM-7-16 8 PM-8-8 4.01 to 5.00 8 8.032 8.023 12 0.8 PM-8-12 16 PM-8-16 10 PM-10-10 5.01 to 6.00 10 10.032 10.023 16 0.8 PM-10-16 20 PM-10-20 10 PM-12-10 6.01 to 8.00 12 12.039 12.028 16 0.8 PM-12-16 20 PM-12-20 12 PM-15-12 8

36、.01 to 10.00 15 15.039 15.028 20 1.2 PM-15-20 25 PM-15-25 12 PM-18-12 10.01 to 12.00 18 18.039 18.028 20 1.2 PM-18-20 25 PM-18-25 (Table continues on next page.) 3 ASME 694.33.1-1997 JIG BUSHINGS (METRIC) TABLE 1 PLAIN-TYPE PRESS FIT BUSHINGS (TYPE PM) (CONTD) Range of Body Diameter Inside B Overall

37、 Entrance Diameters (s6) Length Radius A C D (G6) Nominal Max. Min. (t0.4) (Min.) 16 36 12.01 to 15.00 22 22.048 2.035 28 1.6 16 15.01 to 18.00 26 26.048 26.035 28 1.6 36 Number PM-22-16 PM-22-28 PM-22-36 PM-26-16 PM-26-28 PM-26-36 20 PM-30-20 18.01 to 22.00 30 30.048 30.035 36 1.6 PM-30-36 45 PM-30

38、-45 20 PM-35-20 22.01 to 26.00 35 35.059 35.043 36 2.4 PM-35-36 45 PM-35-45 25 PM-42-25 26.01 to 30.00 42 42.059 42.043 45 2.4 PM-42-45 56 PM-42-56 25 PM-48-25 30.01 to 35.00 48 48.059 48.043 45 2.4 PM-48-45 56 PM-48-56 30 PM-55-30 35.01 to 42.00 55 55.072 55.053 56 2.4 PM-55-56 67 PM-55-67 30 PM-62

39、-30 42.01 to 48.00 62 62.072 62.053 56 2.4 PM-62-56 67 PM-62-67 30 PM-70-30 48.01 to 55.00 70 70.078 70.059 56 3.0 PM-70-56 67 PM-70-67 GENERAL NOTE: See pg. 4 for specifications. SPEClFlCATlONS FOR PLAIN- AND HEAD- TYPE PRESS FIT BUSHINGS (Tables 1 and 2) (a) All dimensions are given in millimeters

40、. (6) Minimum and maximum inside diameter of bush- ing shall be in accordance with metric tolerance class G6: Range of Inside Dia. of Bushing Nominal Max. Nominal Min. 0.35 to 3.00 3.01 to 6.00 6.01 to 10.00 10.01 to 18.00 18.01 to 30.00 30.01 to 50.00 50.01 to 55.00 +.oon +.012 +.013 +.017 +.020 +.

41、025 +.029 +.002 +.004 +.005 +.006 +.007 +.009 +.o IO 4 9Z-81-WH sz OZ-81-WH P zz 2 1 oz 81081 6E0.81 81 0011 01 1001 ZL-81-MIH ZL SZ-91-WH .9Z 02-91-WH E 81 2 1 oz 8ZO“i 1 6EO“i 1 91 0001 01 108 It-41-WH ZL OZ-ZL-WH oz 91-Zl-WH E 91 80 91 820.2 1 6EOZ 1 I1 008 01 109 01-ZL-WH 01 OZ-01-WH 01 91-01-WH

42、 E EL 80 91 EZOOL ZEOOL 01 009 01 LOS 01-01-WH 01 91-8-WH 91 ZL-8-WH 42 11 80 Z1 EZ08 ZE08 8 009 01 LOP 8-8-WH 8 91-L-WH 91 It-L-WH 5Z 01 PO I1 EZOL ZEOL L OOP 01 LE& 8-L-WH 8 91-9-WH 91 ZL-9-WH 4.1: 6 PO I1 6 109 LZ09 9 OEE 01 19Z 8-9-MIH 8 6-9-WH 9-4-WH Z 8 PO 6 9 6 109 LZ09 s 092 01 181 ASME 694.

43、33.1-1997 JIG BUSHINGS (METRIC) TABLE 2 HEAD-TYPE PRESS FIT USHINGS (TYPE HMI (CONTDI Range of inside Body Diameter 5 Overall Entrance Head Diameters (s6) Length Radius Diameter A C D E IG6) Nominal Max. Min. (20.4) (Min.) (20.4) 16 12.01 to 15.00 22 22.048 22.035 28 1.6 26 36 Head Thickness F (t0.4

44、) Number HM-22-16 4 HM-22-28 HM-22-36 16 HM-26-16 15.01 to 18.00 26 26.048 26.035 28 1.6 30 4 HM-26-28 36 HM-26-36 20 HM-30-20 18.01 to 22.00 30 30.048 30.035 36 1.6 34 5 HM-30-36 45 HM-30-45 20 HM-35-20 22.01 to 26.00 35 35.059 35.043 36 2.4 39 5 HM-35-36 45 HM-35-45 25 HM-42-25 26.01 to 30.00 42 4

45、2.059 42.043 45 2.4 46 5 HM-42-45 56 HM-42-56 25 HM-48-25 30.01 to 35.00 48 48.059 48.043 45 2.4 52 5 HM-48-45 56 HM-48-56 30 HM-55-30 35.01 to 42.00 55 55.072 55.053 56 2.4 59 5 HM-55-56 67 HM-55-67 30 HM-62-30 42.01 to 48.00 62 62.072 62.053 56 2.4 66 6 H M -62-56 67 HM-62-67 30 48.01 to 55.00 70

46、70.078 70.059 56 3.0 74 6 HM-70-56 67 HM-70-67 HM-70-30 GENERAL NOTE: See pg. 4 for specifications. (c) Installation hole size shall be in accordance with metric tolerance class H7: Range of Nominal Outside Dia. of Bushing Nominal Max. Nominal Min. 3 4to 6 7 to IO 12 to 18 22 to 30 35 to 48 55 to 70

47、 +.OlO +.O12 +.O I5 +.O I8 +.O2 I +.O25 +.O3O +O +O +O +O +O +O +O (d) The size and type of exit-end chamfer or lead to be manufacturers option. ance with manufacturers practice. within .012 TIR. (e) Head design and construction shall be in accord- (f) Diameter A shall be concentric to diameter B (8

48、) Surface finish on diameter A shall be 0.4 microm- (h) Hardness for steel bushings shall be 61-65 R,. (i) Material shall be the manufacturers option. (j) Small ID sizes through .80 mm may be counter- bored at manufacturers option to provide for lubrication and chip clearance. (k) Counterbore diamet

49、er shall be 1.00 mm, with 3 eters or better. 6 JIG BUSHINGS (METRIC) ASME B94.33.1-1997 mm drill-bearing length. Range of Inside Nominal Nominal bore shall be I 18 deg. 8.00 to 10.00 +.O I4 +.005 12.00 to 18.00 +.017 +.006 22.00 to 30.00 +.020 +.007 35.00 to 48.00 +.ox +.009 55.00 +.029 +.010 (I) The included angle at the bottom of the counter- Dia. of Bushing Max. Min. (a) All dimensions are given in millimeters. (b) Minimum and maximum inside diameter of bush- ing

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