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Rubber molded part Calculate tolerances

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Tolerance classes for injection molded rubber parts according to DIN ISO 3302-1

The DIN ISO 3302-1 standard defines four tolerance classes for injection molded rubber parts. They describe the tolerance classes for

  • bound to the mold (F) and
  • dimensions linked to the form fit (C).

Previously, you had to search laboriously in the standard tables of DIN ISO 3302-1 (KREMER lexicon) for the tolerance specifications for form-bound dimensions (F) and form-fit bound dimensions (C) and also take into account the accuracy classes M1 to M4.

Quick tolerance calculation with just a few clicks

No more searching for DIN 3302-1 class M tolerances. Determine the applicable tolerance specifications quickly and easily with just a few clicks.

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Moulded parts Tolerance calculation

DIN ISO 3302 M2
F
C
Standard tolerance M2
± 
± 
Maximum dimension
Minimum dimension
DIN ISO 3302 M1
F
C
Special tolerance M1
± 
± 
Maximum dimension
Minimum dimension
DIN ISO 3302 M3
F
C
Special tolerance M3
± 
± 
Maximum dimension
Minimum dimension
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