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