ASME B18 6 8-2010 Thumb Screws and Wing Screws (Inch Series)《拇指螺丝和翼型螺丝(英制系列)》.pdf
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1、AN AMERICAN NATIONAL STANDARDASME B18.6.8-2010Thumb Screws and Wing Screws(Inch Series)INTENTIONALLY LEFT BLANKASME B18.6.8-2010Thumb Screwsand Wing Screws(Inch Series)AN AMERICAN NATIONAL STANDARDThree Park Avenue New York, NY 10016 USADate of Issuance: November 17, 2010This Standard will be revise
2、d when the Society approves the issuance of a new edition. There willbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard. Periodically, certain actions of the ASME B18 Committee may be published as Cases. Cases
3、and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for Am
4、erican NationalStandards. The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailable for public review and comment that provides an op
5、portunity 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 validity of any patent rights asserted
6、in connection with anyitems mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expresslyadvised that determination of the validity
7、of any such patent rights, and the risk of infringement of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts resp
8、onsibility 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 system or otherwise,witho
9、ut the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue, New York, NY 10016-5990Copyright 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.ACONTENTSForeword ivCommittee Roster . vCorrespondence With the B18 Co
10、mmittee vi1 Introductory Notes . 12 General Data 2Tables1 Dimensions of Type A, Regular Thumb Screws 42 Dimensions of Type A, Heavy Thumb Screws . 53 Dimensions of Type B, Regular Thumb Screws 64 Dimensions of Type B, Heavy Thumb Screws 75 Dimensions of Type A, Wing Screws 86 Dimensions of Type B, S
11、tyle 1 Wing Screws . 97 Dimensions of Type B, Style 2 Wing Screws . 108 Dimensions of Type C, Style 1 Wing Screws . 119 Dimensions of Type C, Style 2 Wing Screws . 1210 Dimensions of Type D, Wing Screws 1311 Length Increments 1412 Length Tolerances 1413 Thread Length . 1414 Dimensions of Alternate S
12、tyles of Points for Thumb and Wing Screws . 1515 Type and Style Designations of Thumb Screws and Wing Screws 16iiiFOREWORDDevelopment of this Standard began in 2004 and was completed in 2009 by B18 Subcommittee 6.This Standard was originally published by the Industrial Fasteners Institute (IFI) as I
13、FI-156 in2002. IFI agreed to participate in the conversion of this Standard from an IFI standard to anASME standard. Since the completion of this ASME Standard, IFI-156 has been withdrawn fromcirculation. ASME B18.6.8 is the only standard covering the inch series for thumb and wingscrews.This Standa
14、rd was approved by the ASME B18 Committee in December of 2009, and wasapproved by the American National Standards Institute on March 24, 2010.ivASME B18 COMMITTEEStandardization of Bolts, Nuts, Rivets, Screws,Washers, and Similar Fasteners(The following is the roster of the Committee at the time of
15、approval of this Standard.)STANDARDS COMMITTEE OFFICERSJ. Greenslade, ChairD. S. George, Vice ChairR. D. Strong, Vice ChairC. J. Gomez, SecretarySTANDARDS COMMITTEE PERSONNELV. Cartina, Autocraft IndustrialD. A. Clever, ConsultantP. Cockman, Ford Motor Co.C. A. Dugal, Texas Screw ProductsD. S. Georg
16、e, ND IndustriesC. J. Gomez, The American Society of Mechanical EngineersJ. Greenslade, Industrial Fasteners InstituteJ. J. Grey, Contributing Member, Fastener Consulting Services, Inc.B. Hasiuk, Contributing Member, Defense Supply CenterPhiladelphiaA. Herskovitz, ConsultantJ. Hubbard, Leland-Powell
17、 Fasteners, Inc.J. Jennings, Contributing Member, Naval Surface Warfare CenterW. H. King, Porteous Fastener Co.J. F. Koehl, Contributing Member, Spirol International Corp.SUBCOMMITTEE6SLOTTEDANDRECESSEDHEAD SCREWSR. D. Strong, Chair, ConsultantJ. Hubbard, Vice Chair, Leland-Powell Fasteners, Inc.G.
18、M. Simpson, Vice Chair, Semblex Corp.A. L. Guzman, Secretary, The American Society of MechanicalEngineersD. A. Clever, ConsultantM. A. Elmi, CaterpillarJ. S. Foote, Trade Association Management, Inc.D. S. George, ND IndustriesJ. Greenslade, Industrial Fasteners InstituteA. Herskovitz, ConsultantM. W
19、. Holubecki, Electric Boat Corp.vW. H. Kopke, ConsultantW. J. Lutkus, Emhart TechnologiesD. McCrindle, Canadian Fasteners InstituteM. D. Prasad, Contributing Member, Global M however, they shouldnot contain proprietary names or information.Requests that are not in this format may be rewritten in the
20、 appropriate format by the Committeeprior to being answered, which may inadvertently change the intent of the original request.ASME procedures provide for reconsideration of any interpretation when or if additionalinformation that might affect an interpretation is available. Further, persons aggriev
21、ed 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 B18 Standards Committee regularly holds meetings thatare open to the pu
22、blic. Persons wishing to attend any meeting should contact the Secretary ofthe B18 Standards Committee.viASME B18.6.8-2010THUMB SCREWS AND WING SCREWS (INCH SERIES)1 INTRODUCTORY NOTES1.1 Scope1.1.1 This Standard covers the general and dimen-sional data for the various types of thumb screws andwing
23、screws recognized as standard.1.1.2 The inclusion of dimensional data in thisStandard is not intended to imply that all of the productsdescribed are stock production sizes. Purchasers mustconsult with suppliers concerning stock sizes.1.2 Comparison With ISO StandardsThere are no ISO standards at thi
24、s time for theseproducts.1.3 DimensionsAll dimensions are in inches unless otherwise statedin this Standard. When nominal sizes are designated indecimals, zeros in the fourth place shall be omitted.1.4 TerminologyFor definition of terms other than those defined belowrelating to fasteners or componen
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