Catalog FATH US Industrial Hardware 3.0 - Catalog - Page 328
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DIMENSIONAL TOLERANCES (Excerpt from FATH norm 0055)
1.2 Tolerances of Plastic Parts
If not indicated otherwise, plastic parts have tolerances following
DIN 16742 – TG2.
1.2.1 Plastic Part Tolerances as Symmetric Deviation Limits for
Dimensional Mesures
Closer or wider deviation limits are indicated in the drawing.
If not, tolerances of the nearest dimension range apply.
Deviation Limits for Linear Measures
Nominal dimension range [mm]
Deviation limits [mm]
1≤3
>3≤6
> 6 ≤ 10
> 10 ≤ 18
> 18 ≤ 30
> 30 ≤ 50
> 50 ≤ 80
> 80 ≤ 120
>120 ≤ 180
> 180 ≤ 250
± 0.12
± 0.18
± 0.22
± 0.26
± 0.31
± 0.37
± 0. 57
± 0.80
± 0.93
± 1.05
Nominal dimension range [mm]
Diameter of the cylindrical tolerance areas [mm]
1≤3
>3≤6
> 6 ≤ 10
> 10 ≤ 18
> 18 ≤ 30
> 30 ≤ 50
> 50 ≤ 80
> 80 ≤ 120
>120 ≤ 180
ø 0.34
ø 0.51
ø 0.62
ø 0.74
ø 0.88
ø 1.1
ø 1.6
ø 2.3
ø 2.6
> 180 ≤ 250
ø 3.0
1.2.2 PlasƟc Part Tolerances for PosiƟoning Tolerances
Closer or wider devia on limits are indicated in the drawing.
If not, tolerances of the nearest dimension range apply.
Plastic Part Tolerances for Positioning Tolerances
All information is just for reference and does not pose a legally
binding agreement about the product properties.
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