Nomenclature of a piston ring

 

Finishing of side surfaces (or plane surfaces): Rz 4 or Ra 0.8

radial thickness = nominal diameter x 0.041

Fd = 2.05 Ft
with an elasticity module of E < 150,000 N/mm2

d1 h1 da1 s1

Nominal diameter
(mm)

Axial height
(mm)

Radial thickness
(mm)

Cutting gap
(mm)



m d2 Ft Fd

Opening gap
(mm)

Interior diameter
(mm)

Tangential force
(N)

  Diametric force
(N)

 

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