ANSI-B11.23-2002.pdf
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1、 ANSI B11.232002 American National Standard for Machine Tools Safety Requirements for Machining Centers and Automatic, Numerically Controlled Milling, Drilling and Boring Machines Secretariat and Accredited Standards Developer: The Association For Manufacturing Technology 7901 Westpark Drive McLean,
2、 VA 22102 Approved: June 14, 2002 by the American National Standards Institute, Inc. 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 A
3、ssociation For Manufacturing Technology (the ANSI-accredited standards developing 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 agre
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5、e topic covered by this publication. While AMT administers the process and 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 soundnes
6、s of any judgments contained in its standards or guidelines. American National 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 produ
7、cts, processes, or procedures not conforming to the standards. However, users, 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 dev
8、elop standards and will in no circumstances give an interpretation of an 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 interpretation
9、s should be addressed to the Secretariat (AMT). AMT makes no warranty, either 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 pa
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11、 not undertake to guarantee the performance of any individual manufacturer or sellers products or services by virtue of this standard or guide, nor does it take any position with respect to the validity of any patent rights asserted in connection with the items which are mentioned in or are the subj
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14、t should rely on his or her own independent judgment, or as appropriate, 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 documen
15、t. AMT does not certify, test or inspect products, designs, or installations 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 certif
16、ier 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. You may contact the Secretariat for cu
17、rrent 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 central point to search for standard
18、s information from worldwide sources and can connect those who seek standards to those who supply them. Published by: AMT The Association For Manufacturing Technology 7901 Westpark Drive, McLean, VA 221024269, USA Copyright 200X by the Association For Manufacturing Technology All rights reserved. Pr
19、inted in the United States 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. ii -,-,- Table of Contents Page FOREWORDV EXPLANATION OF THE FORMAT OF THIS STANDARD, AND ANSI B11 C
20、ONVENTIONS.VII INTRODUCTION.VIII 1 SCOPE .1 2 NORMATIVE REFERENCES.1 3 DEFINITIONS.3 4 RESPONSIBILITY6 4.1 SUPPLIERS RESPONSIBILITY6 4.2 USERS RESPONSIBILITY.7 4.3 PERSONNEL RESPONSIBILITY.9 5 HAZARD CONTROL.10 5.1 TASK AND HAZARD IDENTIFICATION.10 5.2 RISK ASSESSMENT / RISK REDUCTION.11 6 DESIGN AN
21、D CONSTRUCTION.12 6.1 GENERAL.12 6.2 COMPONENT SELECTION12 6.3 MACHINE CONTROLS.12 6.4 MODES OF OPERATION.12 6.5 ELECTRICAL EQUIPMENT12 6.6 HYDRAULIC AND PNEUMATIC SYSTEMS.13 6.7 EXTERNAL POWER SOURCES.14 6.8 STORED ENERGY15 6.9 EXTERNAL INTERFERENCES.15 6.10 PERFORMANCE OF SAFETY-RELATED FUNCTION(S
22、)15 6.11 MACHINE STARTING15 6.12 STOP AND EMERGENCY STOP CONTROLS.16 6.13 OPERATOR CONTROL STATIONS17 6.14 MANUALLY OPERATED CONTROL DEVICES17 6.15 INDICATORS.19 6.16 ANTI-MOTION MECHANISMS OR COUNTER-BALANCE SYSTEMS.19 6.17 POWER-OPERATED WORKHOLDING.20 6.18 COOLANT SYSTEMS20 6.19 TOOL HOLDER RETEN
23、TION22 6.20 ELIMINATION OF, OR PROTECTION FROM INHERENT HAZARDS.22 6.21 SAFEGUARDING.23 6.22 ACCESS TO MACHINE PARTS27 6.23 EJECTED PARTS OR FLUIDS27 6.24 VIEWING WINDOWS.27 6.25 STRUCTURAL INTEGRITY27 6.26 NOISE27 6.27 MIST, FUMES, VAPORS AND DUST28 6.28 ERGONOMIC CONSIDERATIONS28 6.29 ENERGY SUPPL
24、Y FAILURES28 6.30 ERRORS OF FITTING28 6.31 LIFTING OF MACHINE COMPONENTS28 iii -,-,- 7 LAYOUT, INSTALLATION, TESTING AND START-UP.29 7.1 GENERAL.29 7.2 LAYOUT AND INSTALLATION29 7.3 TESTING AND START-UP.29 8 SAFEGUARDING.30 8.1 GENERAL.30 8.2 GUARDS.30 8.3 SAFEGUARDING DEVICES.31 8.4 AWARENESS BARRI
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