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Tolerances for steel processing

Each metalworking technique has a 'bandwidth' of tolerances. These tolerances are set out in standards. Cutting carried out by De Boer Snijbedrijf meets the requirements of NEN-EN-ISO 9013. This international standard applies to oxy-fuel cutting from 3 mm - 300 mm, plasma cutting from 1 mm - 150 mm and laser cutting from 0.5 mm - 40 mm.

Grenstoleranties voor nominale maten, tolerantieklasse 1

  Nominale maat
Productdikte >0<3 >3<10 >10<35 >35<125 >125
<315
>315
<1000
>1000
<2000
>2000
<4000
>0<1 ±0.04 ±0.1 ±0.1 ±0.2 ±0.2 ±0.3 ±0.3 ±0.3
>1<3.15 ±0.1 ±0.2 ±0.2 ±0.3 ±0.3 ±0.4 ±0.4 ±0.4
>3.15<6.3 ±0.3 ±0.3 ±0.4 ±0.4 ±0.5 ±0.5 ±0.5 ±0.6
>6.3<​10   ±0.5 ±0.6 ±0.6 ±0.7 ±0.7 ±0.7 ±0.8
>10<50   ±0.6 ±0.7 ±0.7 ±0.8 ±1 ±1.6 ±2.5
>50<​100     ±1.3 ±1.3 ±1.4 ±1.7 ±2.2 ±3.1
>100<​150     ±1.9 ±2 ±2.1 ±2.3 ±2.9 ±3.8
>150<​200     ±2.6 ±2.7 ±2.7 ±3 ±3.6 ±4.5
>200<250           ±3.7 ±4.2 ±5.2
>250<​300           ±4.4 ±4.9 ±5.9

Grenstoleranties voor nominale maten, tolerantieklasse 2

  Nominale maat
Productdikte >0<3 >3<10 >10<35 >35<125 >125
<315
>315
<1000
>1000
<2000
>2000
<4000
>0<1 ±0.1 ±0.3 ±0.4 ±0.5 ±0.7 ±0.8 ±0.9 ±0.9
>1<3.15 ±0.2 ±0.4 ±0.5 ±0.7 ±0.8 ±0.9 ±1 ±1.1
>3.15<6.3 ±0.5 ±0.7 ±0.8 ±0.9 ±1.1 ±1.2 ±1.2 ±1.3
>6.3<​10   ±1 ±1.1 ±1.3 ±1.4 ±1.5 ±1.6 ±1.7
>10<50   ±1.8 ±1.8 ±1.8 ±1.9 ±2.3 ±3 ±4.2
>50<​100     ±2.5 ±2.5 ±2.6 ±5 ±3.7 ±4.9
>100<​150     ±3.2 ±3.3 ±3.4 ±3.7 ±4.4 ±5.7
>150<​200     ±4 ±4 ±4.1 ±4.5 ±5.2 ±6.4
>200<250           ±5.2 ±5.9 ±7.2
>250<​300           ±6 ±6.7 ±7.9

De tolerantiegebieden voor de haaksheid zijn:

Gebied Nominale maat
1 0,05+0,003a
2 0,15+0,007a
3 0,4+0,02a
4 0,8+0,02a
5 1,2+0,035a

Ruwheid,Rz5

Gebied Ruwheid Rz5 in µm
1 10+(0,6a mm)
2 40+(0,8a mm)
3 70+(1,2a mm)
4 110+(1,8a mm)

Klanten kunnen snijwerk aanvragen met bepaalde specificaties, bijvoorbeeld ISO 9013-342

 

A   Nominale maat gereed product
B   Nominale maat gesenden product
Bz Machinale tolerantie
G
Maximale bovengrens
G
Maximale ondergrens
U   Toelaatbare schuinte
a    Dikte

 

ISO 9013   =   is de internationale norm voor thermisch snijden (autogeen, plasma en lasersnijden)
3 = haaksheid tolerantiegebied 3
4 =  ruwheid gebied 4
= tolerantieklasse 2

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