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Tolerances
Aluminum
TOLERANCES FOR
PRESSURE DIECASTINGS (DIN
1688)* CONTINUED
Table 2. Tolerances of dimensions for wall thicknesses, ledges and ribs.
Spatial
diagonal
area
Degree of
exactitude
Shape
dependency
up to 180
over 50
up to 500
over 180
over 500
GTA 13
GTA 13/5
GTA 14
GTA 14/5
Intrinsic
Non-Intrinsic
Intrinsic
Non-Intrinsic
Intrinsic
Non-Intrinsic
Intrinsic
Non-Intrinsic
Nominal dimensional area
over
over
up to
3
6
3
up to
up to
6
10
±0.15
±0.20
±0.20
±0.25
±0.30
±0.30
±0.20
±0.25
±0.30
±0.35
±0.40
±0.45
±0.25
±0.30
±0.35
±0.45
±0.50
±0.55
±0.30
±0.40
±0.45
±0.55
±0.65
±0.70
Intrinsic dimensions are those in the same parts of the tool.
Non-intrinsic dimensions are those created by the interaction of movable tool components, e.g. wall thickness and base
thickness or dimensions affected by additives or extenders.
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