ANSI UL 745-2-31-1995 UL Standard for Safety Particular Requirements for Diamond Core Drills (First Edition Reprint with Revisions Through and Including May 05 2006).pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 745-2-31ISBN 1-55989-777-5Particular Requirements forDiamond Core DrillsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED

2、MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUnderwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Particular Requirements for Diamond Core Drills,UL 745-2-31First Edition, Dated March 23, 1995Revisions:

3、This Standard contains revisions through and including May 5, 2006.SUMMARY OF TOPICSThe revisions dated May 5, 2006 were issued to reflect the May 5, 2006 ANSI recognition of thestandard.Please note that due to formatting issues, all of the pages of this standard have been assigned a May 5,2006 date

4、. However, no changes have been made to the requirements, and only the ANSI affirmation dateinformation has been changed.Text that has been changed in any manner is marked with a vertical line in the margin.The revisions dated May 5, 2006 include a reprinted title page (page1) for this Standard.As i

5、ndicated on the title page (page 1), this UL Standard for Safety is an American National Standard.Attention is directed to the note on the title page of this Standard outlining the procedures to be followedto retain the approved text of this ANSI/UL Standard.The UL Foreword is no longer located with

6、in the UL Standard. For information concerning the use andapplication of the requirements contained in this Standard, the current version of the UL Foreword islocated on ULStandardsInfoNet at: http:/ master for this Standard at ULs Northbrook Office is the official document insofar as it relates to

7、aUL service and the compliance of a product with respect to the requirements for that product and service,or if there are questions regarding the accuracy of this Standard.ULs Standards for Safety are copyrighted by UL. Neither a printed copy of a Standard, nor the distributiondiskette for a Standar

8、d-on-Diskette and the file for the Standard on the distribution diskette should bealtered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding thoseStandards shall remain the sole and exclusive property of UL.All rights reserved. No part of this publication may be re

9、produced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.Revisions of UL Standards for Safety are issued from time to time. A UL Standard for Safety is currentonly if it incorporates the

10、 most recently adopted revisions.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.MAY 5, 2006 UL 745-2-31 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

11、REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULIn no event will UL be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Standard, even

12、 if UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid forthis Standard, regardless of the form of the claim.UL will attempt to answer support requests concerning electronic versions of it

13、s Standards. However, thissupport service is offered on a reasonable efforts basis only, and UL may not be able to resolve everysupport request. UL supports the electronic versions of its Standards only if they are used under theconditions and operating systems for which it is intended. ULs support

14、policies may change fromtime-to-time without notification.UL reserves the right to change the format, presentation, file types and formats, delivery methods andformats, and the like of both its printed and electronic Standards without prior notice.Purchasers of the electronic versions of ULs Standar

15、ds for Safety agree to defend, indemnify, and holdUL harmless from and against any loss, expense, liability, damage, claim, or judgement (includingreasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing anelectronic Standard on the purchasers computer s

16、ystem.If a single-user version electronic Standard was purchased, one copy of this Standard may be stored onthe hard disk of a single personal computer, or on a single LAN file-server or the permanent storagedevice of a multiple-user computer in such a manner that this Standard may only be accessed

17、by one userat a time and for which there is no possibility of multiple concurrent access.If a multiple-user version electronic Standard was purchased, one copy of the Standard may be stored ona single LAN file-server, or on the permanent storage device of a multiple-user computer, or on an Intranets

18、erver. The number of concurrent users shall not exceed the number of users authorized.Electronic Standards are intended for on-line use, such as for viewing the requirements of a Standard,conducting a word search, and the like. Only one copy of the Standard may be printed from eachsingle-user versio

19、n of an electronic Standard. Only one copy of the Standard may be printed for eachauthorized user of a multiple-user version of an electronic Standard. Because of differences in thecomputer/software/printer setup used by UL and those of electronic Standards purchasers, the printedcopy obtained by a

20、purchaser may not look exactly like the on-line screen view or the printed Standard.An employee of an organization purchasing a UL Standard can make a copy of the page or pages beingviewed for their own fair and/or practical internal use.The requirements in this Standard are now in effect, except fo

21、r those paragraphs, sections, tables, figures,and/or other elements of the Standard having future effective dates as indicated in the preface. The priortext for requirements that have been revised and that have a future effective date are located after theStandard, and are preceded by a SUPERSEDED R

22、EQUIREMENTS notice.New product submittals made prior to a specified future effective date will be judged under all of therequirements in this Standard including those requirements with a specified future effective date, unlessthe applicant specifically requests that the product be judged under the c

23、urrent requirements. However, ifthe applicant elects this option, it should be noted that compliance with all the requirements in thisStandard will be required as a condition of continued Listing and Follow-Up Services after the effectivedate, and understanding of this should be signified in writing

24、.Copyright 2006 Underwriters Laboratories Inc.MAY 5, 2006 UL 745-2-31tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis Standard consists of pages dated as shown in the following checklist:Page Date1-12May5,2006A1-A2 May5,2006B1-B2 May5,2

25、006C1-C2 May5,2006D1-D2 May5,2006E1-E2 May5,2006F1-F2 May5,2006G1-G2May5,2006H1-H2 May5,2006MAY 5, 2006 UL 745-2-31 tr3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 5, 2006 UL 745-2-31tr4No Text on This PageUL COPYRIGHTED MATERIAL NOT AU

26、THORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULParticular Requirements for Diamond Core DrillsMarch 23, 1995(Title Page Reprinted: May 5, 2006)Canadian Standards AssociationCAN/CSA-C22.2 No. 745-2-31First EditionUnderwriters Laboratories Inc.UL 745-2-31First EditionANSI/U

27、L 745-2-31-2006UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCommitment for AmendmentsThis Standard is issued jointly by Canadian Standards Association andUnderwriters Laboratories Incorporated. Amendments to this Standard will bemade only a

28、fter processing according to the Standards writing procedures byboth Canadian Standards Association and Underwriters LaboratoriesIncorporated.ISSN 0317-5669Copyright 1995Canadian Standards AssociationAll rights reserved. No part of thispublication may be reproduced in anyform whatsoever without the

29、priorpermission of the publisher.ISBN 1-55989-777-5Copyright 1995, 2006Underwriters Laboratories Inc.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSPreface .51 Scope .92 Definitions 93 General requirement 94 General notes on tests 95

30、Rating 106 Classification 107 Marking .108 Protection against electric shock .109 Starting .1010 Input and current .1011 Heating 1012 Leakage current 1013 Radio and television interference suppression 1014 Moisture resistance .1115 Insulation resistance and electric strength .1116 Endurance .1117 Ab

31、normal operation .1118 Mechanical hazards .1119 Mechanical strength .1120 Construction .1121 Internal wiring 1122 Components .1123 Supply connection and external flexible cables and cords 1224 Terminals for external conductors .1225 Provision for earthing 1226 Screws and connections .1227 Creepage d

32、istances, clearances and distances through insulation 1228 Resistance to heat, fire and tracking 1229 Resistance to rusting 1230 Tests by manufacturers 1231 Instructions 12MAY 5, 2006 CAN/CSA-C22.2 NO. 745-2-31 UL 745-2-31 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTI

33、ON WITHOUT PERMISSION FROM ULAppendix A Thermal cut-outs and overload releasesAppendix B Electronic circuitsAppendix C Construction of safety isolating transformersAppendix D Measurement of creepage distances and clearancesAppendix E Reference standardsAppendix F Attachments and accessoriesAppendix

34、G Sequence of testsAppendix H TranslationsMAY 5, 2006CAN/CSA-C22.2 NO. 745-2-31 UL 745-2-314UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULPrefaceThis is the common CSA and UL Standard for portable electric diamond core drills. It is the firs

35、t edition ofCSA Standard C22.2 No. 745-2-31 Safety of portable electric tools Part 2: Particular requirements fordiamond core drills and UL 745-2-31 Safety of portable electric tools Part 2: Particular requirements fordiamond core drills. It is written in SI (metric) units.This Standard was prepared

36、 by Canadian Standards Association and Underwriters Laboratories Inc. andis based on IEC Publication 745-1 (1982) Safety of hand-held motor-operated electric tools Part 1:General requirements.Where a particular clause of the general requirements Standard is not mentioned in this Standard, theclause

37、applies as far as is reasonable. Where this edition states addition, modification,orreplacement,the relevant requirement, test specification, or explanatory matter in the general requirements Standardshould be adapted accordingly.If the functions of a tool are covered by different particular Standar

38、ds, the relevant particular requirementsStandard is applied to each function separately, so far as is reasonable. If applicable, the influence of onefunction on the other is taken into account.This Standard was reviewed by the CSA Subcommittee on Portable Electric Tools of the TechnicalCommittee on

39、Consumer and Commercial Products under the jurisdiction of the Standards SteeringCommittee on the Canadian Electrical Code, Part II, and was formally approved by these Committees.This Standard was processed and reviewed in accordance with the method of development, revision andimplementation of UL S

40、tandards for safety.This Standard has been approved by the Standards Council of Canada as a National Standard of Canadaand has been approved by the American National Standards Institute (ANSI) as an American NationalStandard.CSA Effective DateThe effective date for CSA will be announced through a CS

41、A Certification Notice.Note: Although the intended primary application of this Standard is stated in its Scope, it is important tonote that it remains the responsibility of the users of the Standard to judge its suitability for their particularpurpose.UL Effective DateAs of June 1, 2007, all product

42、s Listed or Recognized by UL must comply with the requirements in thisStandard.Between June 1, 2002 and June 1, 2007, new product submittals to UL must be evaluated under allrequirements in this standard.The most recent designation of ANSI/UL 745-2-31 as an American National Standard (ANSI) occurred

43、 onMay 5, 2006. The ANSI approval for this standard does not include the Cover Page, Transmittal Pages,Title Page, or Preface.MAY 5, 2006 CAN/CSA-C22.2 NO. 745-2-31 UL 745-2-31 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis ANSI/UL Stan

44、dard for Safety, which consists of the First edition with revisions through May 5, 2006,is under continuous maintenance, whereby each revision is ANSI approved upon publication. Commentsor proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposalsshould be subm

45、itted via a Proposal Request in ULs On-Line Collaborative Standards DevelopmentSystem (CSDS) at http:/.MAY 5, 2006CAN/CSA-C22.2 NO. 745-2-31 UL 745-2-316UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis page intentionally left blank.MAY 5,

46、2006 CAN/CSA-C22.2 NO. 745-2-31 UL 745-2-31 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis page intentionally left blank.MAY 5, 2006CAN/CSA-C22.2 NO. 745-2-31 UL 745-2-318UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O

47、RDISTRIBUTION WITHOUT PERMISSION FROM UL1 ScopeThis clause of Part 1 is applicable, except as follows:1.1 Replacement:This standard applies to diamond cord drills.2 DefinitionsThis clause of Part 1 is applicable, except as follows:2.2.23 Replacement:Normal load denotes the load obtained when the dri

48、ll, placed in its intended operating position, isoperated continuously, as recommended in the instruction manual to result in the highest load.Additional definitions:2.2.101 Diamond drill denotes a tool specifically designed to make holes in materials such as concretewith a diamond core bit.It is de

49、signed to rotate, normally in a clockwise direction, at one or more speeds.3 General requirementThis clause of Part 1 is applicable.4 General notes on testsThis clause of Part 1 is applicable, except as follows:4.9 Replacement:For diamond drills which have both a mechanical means of setting different ranges of speed and anelectronic means of setting the speed within a given range, the mechanical device is adjusted to thelowest range possible, and the electronic device

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