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BS EN 12890:2000

Current
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

06-15-2000

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

Requirements for patterns, pattern equipment and coreboxes for the production of sand moulds and/or sand cores are specified in this Standard. It does not define equipment for the production of lost patterns, permanent moulds and die casting dies. It also does not define requirements for ancillary items used in the making of pattern equipment (such as dowels, screws, etc).

This Standard specifies the requirements for patterns, pattern equipment and coreboxes for the production of sand moulds and/or sand cores. This Standard does not specify equipment for the production of lost patterns, permanent moulds and die casting dies. This Standard does not specify the requirements for ancillary items used in the manufacture of pattern equipment (such as screws, dowels, etc.).

Committee
ISE/111
DevelopmentNote
Supersedes 97/707676 DC. (05/2005) Reviewed and confirmed by BSI, October 2014. (09/2014)
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
NF EN 12890 : 2000 Identical
NBN EN 12890 : 2000 Identical
EN 12890:2000 Identical
UNE-EN 12890:2001 Identical
NS EN 12890 : 1ED 2000 Identical
SN EN 12890 : 2000 Identical
UNI EN 12890 : 2003 Identical
NEN EN 12890 : 2000 Identical
I.S. EN 12890:2000 Identical
DIN EN 12890:2000-06 Identical
DIN EN 12890 : 2002-05 Identical

EN ISO 9002:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR PRODUCTION AND INSTALLATION
EN ISO 9003:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR FINAL INSPECTION AND TEST
EN 20286-1 : 1993 ISO SYSTEM OF LIMITS AND FITS - BASES OF TOLERANCES, DEVIATIONS AND FITS
ISO 1302:2002 Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation
EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
EN 1559-1:2011 Founding - Technical conditions of delivery - Part 1: General
ISO 8062:1994 Castings System of dimensional tolerances and machining allowances

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