ANSI-B11.4-2003.pdf
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1、ANSI B11.42003 American National Standard for Machine Tools Safety requirements for Shears Secretariat and Accredited Standards Developer: AMT The Association For Manufacturing Technology 7901 Westpark Drive McLean, VA 22102 Approved: FEBRUARY 10, 2003 by the American National Standards Institute, I
2、nc. i -,-,- AMERICAN NATIONAL STANDARDS By approving this American National Standard, the ANSI Board of Standards Review confirms that the requirements for due process, consensus, balance and openness have been met by AMT The Association For Manufacturing Technology (the ANSI-accredited standards de
3、veloping organization). American National Standards are developed through a consensus process. Consensus is established when substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimi
4、ty. Consensus requires that all views and objections be considered, and that a concerted effort be made toward resolution. This process brings together volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publication. While AMT administers the process an
5、d establishes procedures to promote fairness in the development of consensus, it does not write the document and it does not independently test, evaluate or verify the accuracy or completeness of any information or the soundness of any judgments contained in its standards or guidelines. American Nat
6、ional Standards are promulgated through ANSI for voluntary use; their existence does not in any respect preclude anyone, whether they have approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. However, u
7、sers, distributors, regulatory bodies, certification agencies and others concerned may apply American National Standards as mandatory requirements in commerce and industry. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of an
8、American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the Secretariat (AMT). AMT makes no warranty, ei
9、ther expressed or implied as to the fitness of merchantability or accuracy of the information contained within this standard, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. AMT disclaims liability for any personal inju
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13、lable, AMT is not undertaking to render professional or other services for or on behalf of any person or entity, nor is AMT undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgment, or as appropriate,
14、seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. AMT has no power, nor does it undertake to police or enforce conformance to the requirements of this document. AMT does not certify, test or inspect products, designs, or installati
15、ons for safety or health purposes. Any certification or other statement of conformance to any health or safety-related information in this document shall not be attributable to AMT and is solely the responsibility of the certifier or maker of the statement. NOTICE: This American National Standard ma
16、y 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. You may contact the Secretariat for current status information on this, or other B11 standards. Individuals int
17、erested 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 central point to search for standards information from worldwide sources and can connect those who seek stand
18、ards to those who supply them. Published by: AMT The Association For Manufacturing Technology 7901 Westpark Drive, McLean, VA 221024206, USA Copyright 2003 by the Association For Manufacturing Technology All rights reserved. Printed in the United States of America No part of this publication may be
19、reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. ii Table of Content Page FOREWORD.IV INTRODUCTIONVII 1 SCOPE.1 1.1 SPECIFIC SHEAR TYPES INCLUDED 2 1.2 SPECIFIC SHEAR TYPES EXCLUDED. 2 2 NORMATIVE REFERENCES2 3 DEFINITIONS
20、3 4 RESPONSIBILITY9 4.1 SUPPLIER 9 4.2 USER 10 4.3 PERSONNEL. 11 5 HAZARD CONTROL.12 5.1 TASK AND HAZARD IDENTIFICATION. 12 5.2 RISK ASSESSMENT / RISK REDUCTION. 13 6 DESIGN AND CONSTRUCTION.15 6.1 GENERAL REQUIREMENTS ALL SHEARS. 15 6.2 ELECTRICAL REQUIREMENTS 17 6.3 CONTROL SYSTEMS 22 7 LAYOUT, IN
21、STALLATION, TESTING AND START-UP.28 7.1 GENERAL. 28 7.2 LAYOUT. 28 7.3 INSTALLATION. 29 7.4 TESTING AND START-UP. 29 8 SAFEGUARDING.30 8.1 RESPONSIBILITY. 30 8.2 SAFEGUARDING PERSONNEL 31 8.3 METHODS OF SAFEGUARDING 31 8.4 PERFORMANCE OF THE SAFETYRELATED FUNCTION(S) 34 9 SET-UP, OPERATION AND MAINT
22、ENANCE35 9.1 SET-UP 35 9.2 OPERATION 35 9.3 MAINTENANCE 38 9.4 BLADE SERVICING. 39 ANNEX A: GUARDING AND AWARENESS BARRIER SAFE OPENINGS40 TABLE A.1 - MINIMUM DISTANCES FOR GUARDS IN MILLIMETERS (INCHES). 40 FIGURE A.1: LOCATION OF GUARDS VS. OPENINGS 41 ANNEX B : FIGURES42 ANNEX C : TASK - BASED HA
23、ZARDS (INFORMATIVE).53 ANNEX D: PERFORMANCE OF THE SAFETY-RELATED FUNCTION(S)54 iii -,-,- Foreword (This Foreword is not part of the requirements of American National Standard B11.42003.) The primary objective of this standard is to eliminate or control the risk of injuries to personnel associated w
24、ith shears by establishing requirements for the machines construction, care and use and for the production systems in which shears are used. To accomplish this objective, responsibilities have been assigned to the builder, user, modifier, rebuilder and system integrator, as well as to the employer a
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