• NS EN 953 : 1997 + A1 2009

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    SAFETY OF MACHINERY - GUARDS - GENERAL REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF FIXED AND MOVABLE GUARDS

    Available format(s): 

    Superseded date:  01-02-2016

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Norwegian Standards (Norges Standardiseringsforbund)

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    0 Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Risk assessment
    5 Principle requirements for the design and
        construction of guards
        5.1 Machine aspects
        5.2 Human aspects
        5.3 Guard design aspects
        5.4 Guard construction aspects
        5.5 Selection of materials
        5.6 Containment
        5.7 Resistance to corrosion
        5.8 Resistance to micro-organisms
        5.9 Non-toxicity
        5.10 Machine viewing
        5.11 Transparency
        5.12 Stroboscopic effects
        5.13 Electrostatic properties
        5.14 Thermal stability
        5.15 Flammability
        5.16 Noise and vibration reduction
        5.17 Radiation protection
    6 Selection of types of guards
        6.1 General
        6.2 Combination of different guards or of guards
              with other devices
        6.3 Selection of guards according to the number and
              location of the hazards
        6.4 Selection of guards according to the nature and
              frequency of access required
    7 Additional design and construction considerations
        7.1 Climbing
        7.2 Retained fastenings
        7.3 Vibration resistance
        7.4 Warning signs
        7.5 Colour
        7.6 Aesthetics
    8 Verification of the safety requirements
        8.1 General
        8.2 Impact strength
        8.3 Safety distances
        8.4 Containment
        8.5 Noise
        8.6 Guard operating forces
        8.7 Visibility
    9 Information for use
        9.1 General
        9.2 Guard hazards
        9.3 Installation
        9.4 Operation
        9.5 Removal of guards
        9.6 Inspection and maintenance
    Annexes
    A (normative) Guidelines to assist in the selection of
        guards against hazards generated by moving parts
    B (normative) Guidelines for the selection of guards
        according to the number and location of hazards
    C (informative) Bibliography
    ZA (informative) Clauses of this European Standard
        addressing essential requirements or other provisions
        of EU Directives

    Abstract - (Show below) - (Hide below)

    Defines general requirements for designing and construction of guards chiefly for provision for protection of persons from mechanical hazards. Applicable mainly to machines manufactured after the date of this standard.

    General Product Information - (Show below) - (Hide below)

    Development Note 1997 Edition Re-Issued in June 2009 & incorporates AMD 1 2009. (06/2009)
    Document Type Standard
    Publisher Norwegian Standards (Norges Standardiseringsforbund)
    Status Superseded
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