ANSI B11 STD B11.19-2010 Machines C Performance Criteria for Safeguarding.pdf

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1、i ANSI B11.19-2010 American National Standard for Machines Performance Criteria for Safeguarding Secretariat and Accredited Standards Developer: B11 Standards, Inc., 42293 Young Lane Leesburg, VA 20176, USA APPROVED: 11 OCTOBER 2010 American National Standards Institute COPYRIGHT PROTECTED DOCUMENT

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17、ely the responsibility of the certifier or maker of the statement. NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Yo

18、u may contact the Secretariat for current status information on this, or other B11 standards. Individuals interested in obtaining up-to-date information on standards can access this information at http:www.nssn.org (or by contacting ANSI). NSSN - A National Resource for Global Standards, provides a

19、central point to search for standards information from worldwide sources and can connect those who seek standards to those who supply them. Published by: B11 Standards, Inc., 42293 Young Lane, Leesburg, VA 20176, USA Copyright 2010 by B11 Standards Inc. All rights reserved. Printed in the United Sta

20、tes of America No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. American National Standard B11.19 2010 B11 Standards, Inc. 2010 ii Table of Contents Page Foreword v Effective Date vi 1 Sc

21、ope . 8 2 References . 9 2.1 Normative references 9 2.2 Informative References . 9 3 Definitions 12 4 Responsibility 20 4.1 Safeguarding supplier . 20 4.2 Safeguarding user . 20 4.3 Personnel 21 5 Hazard control . 21 6 General safeguarding requirements . 22 6.1 Performance of the safety-related func

22、tion(s) . 22 6.2 Protective (Safety) Stop 23 6.3 Safety distance 26 6.4 Stopping performance monitor 26 6.5 Perimeter safeguarding . 26 6.6 Bypassing 28 6.7 Muting 30 6.8 Presence-sensing Device Initiation (PSDI) . 34 7 Guards: fixed, adjustable, and interlocked 39 7.1 Design and construction 39 7.2

23、 Installation and operation 41 8 Safeguarding devices . 44 8.1 Movable barrier devices 44 8.2 Pull Back (pull out) and restraint devices 46 8.3 Electro-optical, RF, and area scanning presence-sensing safeguarding devices 47 8.4 Two-hand operating lever, trip and control devices 53 8.5 Safety mat dev

24、ices 56 8.6 Safety edge devices 59 8.7 Probe detection devices 61 8.8 Single control safeguarding devices . 62 8.9 Close proximity point of operation AOPD (press brake AOPD) 64 9 Awareness barriers, signals and signs . 64 9.1 Awareness barriers . 64 9.2 Awareness signals 64 9.3 Awareness (safety) si

25、gns 65 10 Safeguarding methods . 65 10.1 Safe-distance safeguarding method 65 10.2 Safe-holding safeguarding method 66 10.3 Safe-opening safeguarding method 66 10.4 Safe-location safeguarding method . 67 10.5 Other safeguarding methods . 68 11 Safe work procedures. 68 12 Complementary equipment and

26、measures 69 12.1 Safety blocks, chain locks, locking pins, limiting/blocking pins . 69 12.2 Slide locks . 71 12.3 Workholding equipment . 71 12.4 Stopping performance monitor 71 12.5 Process malfunction, detection and monitoring equipment . 72 American National Standard B11.19 2010 B11 Standards, In

27、c. 2010 iii 12.6 Hand tools . 73 12.7 Safety interface (safety relay) modules . 73 12.8 Shields . 73 12.9 Emergency stop devices . 73 12.10 Enabling devices 80 12.11 Hold-to-run controls . 82 12.12 Zero speed (monitoring) device . 84 13 Inspection and maintenance of safeguarding 84 14 Training on th

28、e use of safeguarding . 85 Annex A Guidance to understand the B11 Series of Standards (212) 642-4900. Attention: B11 Secretariat. American National Standard B11.19 2010 B11 Standards, Inc. 2010 vi Effective Date The following is informative guidance only, and not a normative part of this standard. T

29、his Subcommittee recognizes that some period of time after the approval date on the title page of this document is necessary for suppliers and users to develop new designs, or modify existing designs or manufacturing processes in order to incorporate the new or revised requirements of this standard

30、into their product development or production system. This Subcommittee recommends that suppliers complete and implement design changes for new machines within 30 months of the approval of this standard. For existing or modified machines, this Subcommittee recommends that users should confirm that th

31、e equipment / process has tolerable risk using generally recognized risk assessment methods within 30 months of the approval date of this standard. If the risk assessment shows that modification(s) is necessary, refer to the requirements of this standard to implement protective measures for appropri

32、ate risk reduction. This standard was processed and submitted for ANSI approval by the B11 Accredited Standards Committee on Safety Standards for Machines. Committee approval of this standard does not necessarily imply that all committee members voted for its approval. At the time this standard was

33、approved as an American National Standard, the ANSI B11 Accredited Standards Committee was composed of the following member organizations: John W. Russell, PE, CSP Chairman Gary D. Kopps, Vice-Chairman David A. Felinski, Secretary Organizations Represented Name of Representative Delegate Alternate A

34、erospace Industries Association of America Willard J. Wood, ARM Lance E. Chandler, PE Aluminum Extruders Council Melvin Mitchell Scott J. Burkett American Society of Safety Engineers Bruce W. Main, PE, CSP George Karosas, PE, CSP Association For Manufacturing Technology Russell A. Bensman Alan Metel

35、sky Automotive Industry Action Group Nancy Malo David A. Lalain The Boeing Company Don R. Nelson Joe Oberuc Canadian Standards Association Elizabeth Rankin, CRSP Thomas Eastwood Deere & Co. Gary D. Kopps Scott Fowler Komatsu America Industries George Schreck James Landowski General Motors Corporatio

36、n Michael Douglas Metal Building Manufacturers Association Charles M. Stockinger Charles E. Praeger Metal Powder Industries Federation Dennis R. Cloutier, CSP Teresa F. Stillman National Institute for Occupational Safety & Health Richard S. Current, PE James R. Harris, PhD, PE Occupational Safety &

37、Health Administration Kenneth Stevanus Robert Bell Omron Scientific Technologies Incorporated Frank Webster Christopher Soranno Packaging Machinery Manufacturers Institute Charles F. Hayes Maria Ferrante Pilz Automation Safety, LP Michael Beerman Lee Burk Precision Metalforming Association James G.

38、Barrett, Jr. PhD Bill Gaskin / Christen Carmigiano Presence Sensing Device Manufacturers Association James V. Kirton Michael S. Carlson Property Casualty Insurers John W. Russell, PE, CSP Robotic Industries Association Jeffrey Fryman Claude Dinsmoor Rockwell Automation Michael B. Miller Sheet Metal & Air Conditioning Contractors National Assn. Michael McCullion Roy Brown System Safety Society John Etherton, PhD, CSP Rod Simmons, PhD Toyota Motor Manufacturing North America Barry Boggs Todd Mills International United Automobile Workers Tom Ford