ANSI B11 STD B11.10-2003 Machine Tools - Safety Requirements for Metal Sawing Machines《机床.金属锯床的安全性要求》.pdf

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1、 i ANSI B11.102003 (R2015) American National Standard for Machine Tools Safety Requirements for Metal Sawing Machines Secretariat and Accredited Standards Developing Organization: B11 Standards, Inc. POB 690905 Houston, TX 77269 Approved: AUGUST 26, 2003 Reaffirmed: JULY 13, 2015 by the American Nat

2、ional Standards Institute, Inc. AMERICAN NATIONAL STANDARD B11.102003 (R2015) 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 B11 Standards,

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19、TX 77269, USA Copyright 2015 by B11 Standards, Inc. All rights reserved. Printed 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. AMERICAN NATIONAL STANDAR

20、D B11.102003 (R2015) ii Table of Contents Page FOREWORD IV EXPLANATION OF THE FORMAT OF THIS STANDARD, AND ANSI B11 CONVENTIONS . VI INTRODUCTION . VII 1 SCOPE 1 1.1 GENERAL . 1 1.2 SAWING MACHINES INCLUDED 1 1.3 SAWING MACHINES EXCLUDED 6 2 NORMATIVE REFERENCES . 7 3 DEFINITIONS . 8 4 RESPONSIBILIT

21、Y 10 4.1 SUPPLIERS RESPONSIBILITY . 10 4.2 USERS RESPONSIBILITY 11 4.3 PERSONNEL RESPONSIBILITY 11 5 HAZARD CONTROL . 12 5.1 TASK AND HAZARD IDENTIFICATION . 12 5.2 RISK ASSESSMENT / RISK REDUCTION . 13 6 DESIGN AND CONSTRUCTION . 14 6.1 GENERAL . 14 6.2 COMPONENT SELECTION . 14 6.3 MACHINE CONTROLS

22、 . 14 6.4 DESCRIPTION OF MODES OF OPERATION . 14 6.5 ELECTRICAL EQUIPMENT . 14 6.6 HYDRAULIC AND PNEUMATIC SYSTEMS 15 6.7 EXTERNAL POWER SOURCES . 16 6.8 STORED ENERGY . 16 6.9 EXTERNAL INTERFERENCES 18 6.10 PERFORMANCE OF THE SAFETY-RELATED FUNCTION(S) . 18 6.11 MACHINE STARTING . 18 6.12 STOP AND

23、EMERGENCY STOP CONTROLS . 18 6.13 OPERATOR CONTROL STATIONS 18 6.14 MANUALLY OPERATED CONTROL DEVICES . 19 6.15 AWARENESS SIGNALS . 19 6.16 ANTI-MOTION MECHANISMS OR COUNTER-BALANCE ON SLIDE MECHANISMS 20 6.17 POWER-OPERATED WORKHOLDING 20 6.18 COOLANT SYSTEMS 20 6.19 BLADE MOUNTING AND RETENTION .

24、21 6.20 ELIMINATION OF, OR PROTECTION FROM, INHERENT HAZARDS . 22 6.21 WORK ZONES . 23 6.22 POWER-OPERATED WORKPIECE FEEDING DEVICES 24 6.23 CHIP COLLECTION/REMOVAL 24 6.24 STRUCTURAL INTEGRITY . 24 6.25 NOISE 24 6.26 ERGONOMIC CONSIDERATIONS . 24 6.27 ENERGY SUPPLY FAILURES 25 6.28 ERRORS OF FITTIN

25、G 25 6.29 LIFTING OF MACHINE COMPONENTS 25 6.30 DOCUMENTATION REQUIREMENTS . 25 AMERICAN NATIONAL STANDARD B11.102003 (R2015) iii 7 LAYOUT, INSTALLATION, TESTING AND START-UP 26 7.1 GENERAL . 26 7.2 LAYOUT AND INSTALLATION 26 7.3 TESTING AND START-UP 27 8 SAFEGUARDING . 27 8.1 GENERAL . 27 8.2 GUARD

26、S . 27 8.3 PROTECTIVE DEVICES 28 8.4 AWARENESS DEVICES 29 8.5 SAFEGUARDING AGAINST SPECIFIC HAZARDS 29 8.6 SAFE WORK PROCEDURES . 29 8.7 PERFORMANCE OF THE SAFETYRELATED FUNCTION(S) 29 9 SET-UP, OPERATION AND MAINTENANCE 30 9.1 GENERAL . 30 9.2 MACHINE SETUP PROCEDURES . 30 9.3 SAFEGUARDING 30 9.4 M

27、AINTENANCE . 31 9.5 PERSONAL PROTECTIVE EQUIPMENT . 32 9.6 TRAINING 32 9.7 SUPERVISION 33 9.8 MACHINE OPERATION 33 ANNEX A LIST OF SIGNIFICANT HAZARDS AND MAJOR SOURCES OF THESE HAZARDS . 34 ANNEX B PERFORMANCE OF THE SAFETY-RELATED FUNCTION(S) . 37 AMERICAN NATIONAL STANDARD B11.102003 (R2015) iv F

28、oreword (This foreword is not part of the requirements of American National Standard B11.10-2003) The primary objective of this standard is to eliminate or control hazards to personnel associated with metal sawing machines by establishing requirements for the construction, operation and maintenance

29、of these machines. To accomplish this objective, responsibilities have been assigned to the supplier (e.g., manufacturer, rebuilder, modifier, installer, integrator), the user, and personnel in the working environment. Metal sawing machines and associated equipment technologies are continuously evol

30、ving. This standard reflects the most commonly used and time-tested state of the art at the time of its approval. The inclusion or omission of language relative to any evolving technology, either in the requirements or explanatory area of this standard, in no way infers acceptance or rejection of su

31、ch technologies. The words “safe“ and “safety“ are not absolutes. Safety begins with good design. While the goal of this standard is to eliminate injuries, it is recognized that risk factors cannot be practically reduced to zero in any human activity. This standard is not intended to replace good ju

32、dgment and personal responsibility. Operator skill, attitude, training, job monotony, fatigue and experience are safety factors that must be considered by the user. Inquiries with respect to the application or the substantive requirements of this standard and suggestions for its improvement are welc

33、omed, and should be sent to B11 Standards, Inc., POB 690905, Houston TX 77269, Attention: B11 Secretariat. EFFECTIVE DATE The following is informative guidance only, and not a normative part of this standard. This Subcommittee recognizes that some period of time after the approval date on the title

34、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 into their product development or production system. This Subcommittee recommends that sup

35、pliers complete and implement design changes within 30 months of the approval of this standard. For existing or modified machines, users should confirm that the equipment / process has tolerable risk using generally recognized risk assessment methods. If the risk assessment shows that modification(s

36、) is necessary, refer to the requirements of this standard to implement protective measures for appropriate risk reduction. This standard was prepared by the B11.10 Subcommittee, processed and submitted for ANSI approval by the B11 Accredited Standards Committee on Safety Standards for Machine Tools

37、. Committee approval of this standard does not necessarily imply that all committee members voted for its approval. At the time this standard was approved as an American National Standard, the ANSI B11 Accredited Standards Committee was composed of the following member organizations: John W. Russell

38、, PE, CSP Chairman Gary D. Kopps, Vice-Chairman David A. Felinski, Secretary Organizations Represented Name of Representative(s) Delegate Alternate Aerospace Industries Association of America Willard J. Wood, ARM Robert J. Eaker, PE, CSP Alliance of American Insurers John Russell, PE, CSP Keith Less

39、ner American Institute of Steel Construction Thomas Schlafly American Society of Safety Engineers Bruce Main, PE, CSP George Karosas, PE, CSP Association For Manufacturing Technology Russell Bensman Automotive Industry Action Group Ron Tillinger Can Manufacturers Institute Geoffrey Cullen General Mo

40、tors Corporation Michael Taubitz John Deere Gary D. Kopps Ellen K. Blanshan Metal Building Manufacturers Association Charles M. Stockinger Charles E. Praeger Metal Powder Industries Federation Dennis Cloutier, CSP AMERICAN NATIONAL STANDARD B11.102003 (R2015) v National Institute for Occupational Sa

41、fety gage refers to limiting device (e.g., backgage). As in all American National Standards, the term “SHALL” denotes a requirement that is to be strictly followed in order to conform with this standard; no deviation is permitted. The term “SHOULD” denotes a recommendation, a practice or condition a

42、mong several alternatives, or a preferred method or course of action. Similarly, the term “CAN” denotes a possibility, ability or capability, whether physical or casual, and the term “MAY” denotes a permissible course of action within the limits of the standard. Suggestions for improvement of this s

43、tandard will be welcome. They should be sent to B11 Standards, Inc., POB 690905, Houston TX 77269, USA - Attention: B11 Secretariat. AMERICAN NATIONAL STANDARD B11.102003 (R2015) vii Introduction The primary purpose of every machine tool is to process parts. This is accomplished by the machine impar

44、ting process energy onto the workpiece. It is during this interaction between the machine and the workpiece where inadvertent interference with, or accidental misdirection of the released process energy can potentially cause injury. Hazards exist that may result in injury during production, maintena

45、nce, commissioning and de-commissioning. The purpose of the ANSI B11 series machine tool safety standards is to devise and propose ways to minimize risks of the potential safety hazards. This can be accomplished either by an appropriate machine design, by restricting personnel or other individuals a

46、ccess to hazard areas, and by devising work procedures to minimize personnel exposure to hazardous situations. This is the essence of the ANSI B11 safety standards. The responsibility for the alleviation of these risks is divided between the equipment supplier, the equipment user and its operating p

47、ersonnel, as follows (numbers in parentheses refer to the clause numbers in these standards which address that responsibility): AMERICAN NATIONAL STANDARD B11.102003 (R2015) 1 American National Standard for Machine Tools Safety Requirements for Metal Sawing Machines with or without Automatic Control

48、 STANDARDS REQUIREMENTS EXPLANATORY INFORMATION (Not part of the requirements of this American National Standard for Machine Tools Safety requirements for Metal Sawing Machines (ANSI B11.10 2003) 1 Scope 1.1 General This American National Standard specifies safety requirements for the design, constr

49、uction, modification, operation and maintenance (including installation, dismantling and transport) of a general class of stationary machine tools that use a saw blade (tool) to cut off or change the shape of the workpiece. This standard also applies to ancillary devices integrated into the machine (e.g., part handling mechanisms, chip handling systems). E1.1 NOTE - For purposes of this standard, the terms machine and machine tool refer to metal sawing machines. 1.2 Sawing machines included Sawing machines included in this standard use toothed blades a