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1、J IS JAPANESE I NDUSTRIAL STANDARD Translated and Published by Japanese Standards Association TIS B 0205-1 2001 (IS0 68-1 : 1 8 ) IS0 general purpose metric screw threads - Part 1: Basic Profile ICs 21.040.10 Reference number : JIS B 0205-1 : 2001 (E) 4 s Copyright Japanese Standards Association Pro
2、vided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:15:54 MSTNo reproduction or networking permitted without license from IHS -,-,- B 0205-1 : 2001 (IS0 68-1:1998) Foreword This translation has been made based on the original Japanese
3、 Industrial Standard established by the Minister of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee according to the proposal of establishing a Japanese Industrial Standard from The Japan Research Institute for Screw Threads and Fasteners (JFRI)/the J
4、apanese Standards Association (JSA), with a draft of Industrial Standard based on the provision of Article 12 Clause 1 of the Industrial Standardization Law. By this Standard, JIS B 0205: 1997 and JIS B 0207: 1982 were withdrawn and replaced with JIS B 0205 Part 1 to Part 4. This Standard has been m
5、ade based on IS0 68-1: 1998 IS0 general purpose screw threads-Basic profile-Part 1: Metric screw threads for the purposes of making easy to compare this Standard with International Standard; to prepare Japanese Industrial Standard conforming with International Standard; and to propose a draft of Int
6、ernational Standard which is based on Japanese Industrial Standard. JIS B 0205 series consist of 4 parts with the title of IS0 general purpose metric screw threads. JIS B 0205-1 Part 1: Basic profile JIS B 0205-2 Part 2: General plan JIS B 0205-3 Part 3: Selected sizes for screws, bolts and nuts JIS
7、 B 0205-4 Part 4: Basic dimensions Date of Establishment: 2001-12-20 Date of Public Notice in Official Gazette: 2001-12-20 Investigated by: Japanese Industrial Standards Committee Standards Board Technical committee on Machine Elements TIS B 0205-1 :2001, First English edition published in 2002-06 T
8、ranslated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 2002 All rights reserved. Unless otherwise specified, no part of this publication m
9、ay be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/111111100
10、1, User=Wing, Bernie Not for Resale, 03/10/2007 07:15:54 MSTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL STANDARD JIS B 0205-1 : 2001 (IS0 68-1 : 1998) IS0 general purpose metric screw threads - Part 1: Basic profile Introduction This Japanese Industrial
11、 Standard has been prepared based on the first edition of IS0 68-1 IS0 general purpose metric screw threads - Basic profile - Part 1: Metric screw threads published in 1998 without modifying the technical contents. 1 Scope This Standard specifies the basic profile for IS0 general purpose metric scre
12、w threads (MI. Remarks: The International Standard corresponding to this Standard is as follows. In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according
13、to ISODEC Guide 21. IS0 68-1:1998 IS0 general purpose screw threads - Basic profile - Part i: Met- ric screw threads (IDT) 2 Normative references The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. The most recent editions of
14、the standards (including amendments) shall be applied. JIS B O101 Screw threads and fasteners - Vocabulary Remarks: The items cited from IS0 5408:1983 Cylindrical screw threads - Vocabulary are equivalent to the corresponding matters of the said standard. JIS B 0209-1 IS0 general purpose metric scre
15、w threads - Tolerances - Part 1: Principles and basic data Remarks: IS0 965-1:1998 IS0 general purpose metric screw threads - Toler- ances - Part 1: Principles and basic data is identical with the said standard. 3 Definitions For the purpose of this Standard the definitions given in JIS B O101 apply
16、. 3 . 1 Basic profile The theoretical profile of a screw thread in an axial plane de- fined by theoretical dimensions and angles common to internal and external threads Remarks: The basic profile is shown as a thick line in figure 1. Copyright Japanese Standards Association Provided by IHS under lic
17、ense with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:15:54 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 B 0205-1 : 2001 (IS0 68-1 : 1998) where, I D is the basic major diameter (nominal diameter) of internal thread d D2 d2 Dl
18、dl H P is the pitch is the basic major diameter of external thread (nominal diameter) is the basic pitch diameter of internal thread is the basic pitch diameter of external thread is the basic minor diameter of internal thread is the basic minor diameter of external thread is the height of fundament
19、al triangle Fig. 1 4 Dimensions The fundamental deviations and tolerances specified in JIS B 0209-1 are applied to the dimensions of the basic profile shown in figure 1 and derived from table 1. J3 H = -P = 0,866 025 404 P 5 -H = 0,541 265 877 P 8 3 -H = 0,324 759 526 P 8 2 H - = 0,216 506 351 P 4 H
20、 - = 0,108 253 175 P 8 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:15:54 MSTNo reproduction or networking permitted without license from IHS -,-,- 3. B 0205-1 : 2001 (IS0 68-1 : 1998
21、) Table 1 Unit: mm Pitch P 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.6 0.7 0.75 0.8 1 1.25 1.5 1.75 2 2.5 3 3.5 4 4.5 5 5.5 6 8 H 0.173 205 0.216 506 0.259 808 0.303 109 0.3% 410 0.389 711 0.433 013 0.519 615 0 . 6 0 6 218 0.649 519 0.692 820 0 . 8 6 6 025 1.082 532 1.299 038 1.515 544 1.732 O51 2.165 O63 2.
22、598 076 3.031 089 3.464 102 3.897 114 4.330 127 4.763 140 5.1% 152 6.928 203 0.108 253 0.135 316 O. 162 380 0.189 443 0.216 506 0.243 570 0.270 633 0.324 760 0.378 886 0.405 949 0.433 013 0.541 266 0.676 582 0.811 899 0.947 215 1.082 532 1.353 165 1.623 798 1.894 431 2.165 O63 2.435 696 2.706 329 2.
23、976 %2 3.247 595 4.330 127 3 -H 8 0.064 952 0.081 190 0.097 428 0.113 666 0.129 904 0.1% 142 0.162 380 0.194 856 0.227 332 0.243 570 0.259 808 0.324 760 0.405 949 0.487 139 0.568 329 0.649 519 0.811 899 0.974 279 1.136 658 1.299 038 1.461 418 1.623 798 1.786 177 1.948 557 2.598 076 _ H 4 - 0.043 301
24、 0.054 127 0.064 952 0.075 777 0.086 603 0.097 428 0.108 253 0.129 9w 0.151 554 0.162 380 0.173 205 0.216 506 0.270 633 0.324 760 0.378 886 0.433 013 0.541 266 0.649 519 0.757 772 0.866 025 0.974 279 1.082 532 1.190 785 1.299 038 1.732 O51 H 8 - 0.021 651 0.027 063 0.032 476 0.037 889 0.043 301 0.04
25、8 714 0.054 127 0.064 952 0.075 777 0.081 190 0.086 603 0.108 253 0.135 316 0.162 380 0.189 443 0.216 506 0.270 633 0.324 760 0.378 886 0.433 013 0.487 139 0.541 266 0.595 392 0.649 519 0.866 025 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/11
26、11111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:15:54 MSTNo reproduction or networking permitted without license from IHS -,-,- Errata for JIS (English edition) are printed in Standardization Jouml, published monthly by the Japanese Standards Association, and also provided to subscribers o
27、f JIS (English edition) in Monthly Znfomzion. Errata will be provided upon request, please contact: Standardization Promotion Department, Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN TEL. 03-3583-8002 FAX. 03-3583-0462 100% Recycled paper Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:15:54 MSTNo reproduction or networking permitted without license from IHS -,-,-