Groove design

Groove design is one of the tasks involved in designing a sealing system. In the case of the particularly widespread sealing with O-rings, the radial groove is usually the installation space for the sealing element.

The main aim of the groove design is to create a defined elastic deformation of the sealing element between the two sealing surfaces (so-called compression). The depth of the groove is defined accordingly for this purpose. The groove design also includes the definition of the following features:

  • Groove shape
  • Width of the groove
  • Rounding of the groove edges
  • Roughness of the surfaces

#1 Definition of groove design

The groove design is part of the design of a sealing system. The task is to geometrically determine the installation space (groove) of the sealing element in such a way that the seal can permanently withstand the operating conditions.

#2 Meaning of the groove design

A groove design adapted to the operating conditions is crucial for the durability of O-ring seals. The correct groove design ensures the necessary elastic compression and protects the sealing element from damage caused by pressure, friction, swelling and installation errors.

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