NEN EN 10243-1 : 1999 C1 2006
Current
The latest, up-to-date edition.
STEEL DIE FORGINGS - TOLERANCES ON DIMENSIONS - PART 1: DROP AND VERTICAL PRESS FORGINGS
12-01-2013
Foreword
1 Scope
2 Normative References
3 Symbols
4 Information required in determining tolerances
4.1 Mass of forging
4.2 Shape of die line
4.3 Category of steel used
4.4 Shape complexity factor
4.5 Types of dimensions
5 Categories of tolerances
5.1 Scope of categories
5.2 Definition of categories
5.3 Deviations of form
6 Use of tables
6.1 Tables 1 and 2: Tolerances for length, width
and height, residual flash
(and trimmed flat), and
mismatch
6.2 Tables 3 and 4: Tolerances for thickness and
ejector marks
6.3 Table 5: Tolerances for straightness, flatness
and tolerances for centre-to-centre
dimensions
6.4 Table 6: Tolerances for fillet and edge radii;
tolerances for burrs; tolerances for
sheared ends
7 Design procedure
7.1 Information required by the forger
7.2 Preparation of forging drawing
7.3 Indication of dimensions on forging drawing
7.4 Indication of tolerances on forging drawings
7.5 Importance of forging drawing
Annex A (informative) Examples of application
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