• I.S. EN 12890:2000

    Current The latest, up-to-date edition.

    FOUNDING - PATTERNS, PATTERN EQUIPMENT AND COREBOXES FOR THE PRODUCTION OF SAND MOULDS AND SAND CORES

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2000

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Order information and delivery conditions
      4.1 General
      4.2 Points to be agreed
      4.3 Mandatory information
    5 Classification
    6 Specifications
      6.1 General
      6.2 Designation
    7 Manufacturing requirements
      7.1 Materials
      7.2 Manufacture
      7.3 Contractions
      7.4 Tapers
      7.5 Clearances
      7.6 Required machining allowances (RMA)
      7.7 Dimensional tolerances
      7.8 Surface coating
    8 Quality control
    9 Usage
      9.1 General
      9.2 Identification
      9.3 Modifications
      9.4 Repair and refurbishment
      9.5 Protection and packaging for transportation and storage
    Table 1 Quality classes for patterns, pattern equipment and
             coreboxes
    Table 2 Quality classes - patterns, pattern equipment and
             coreboxes made of wood
    Table 3 Quality classes - patterns, pattern equipment and
             coreboxes made of metal
    Table 4 Quality classes - patterns, pattern equipment ant
             coreboxes made of plastic
    Table 5 Characteristics of patterns and pattern equipment
    Table 6 Characteristics of coreboxes
    Table 7 Tapers
    Table 8 Surface coatings (painting and colour-coding of
             patterns, pattern equipment and coreboxes
    Figure 1 Examples of clearance of core prints (vertical core)
    Figure 2 Example of clearances of core prints (horizontal
             core)
    Figure 3 Values of clearances of core prints (for moulding
             with horizontal joint surface)
    Annex A (informative) Guidelines on the use of tables in this
             standard
    Annex B (informative) Reference values for linear casting
             contractions
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the requirements for patterns, pattern equipment and coreboxes for the production of sand moulds and/or sand cores.

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    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
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