Standard
[NEW]
ISO 18669-2:2025-02
Internal combustion engines - Piston pins - Part 2: Inspection measuring principles
German title
Verbrennungskraftmaschinen - Kolbenbolzen -Teil 2: Prüfung der Qualitätsmerkmale
Publication date
2025-02
Original language
English
Pages
13
Publication date
2025-02
Original language
English
Pages
13
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Content
Content (en)
Foreword
Scope
Normative references
Terms and definitions
Measurement principles
Show subsection Close subsection General measuring conditions
Characteristics and measurement principles
Show subsection Close subsection Outside diameter, d
Cylindricity of the outside diameter, d
Circularity of the outside diameter, d
Circumferential waviness
Edge drop-off, b, c
Inside diameter, d, d
Concentricity of inside diameter (ID) relative to outside diameter (OD)
Length, l
Gauge length, l
Runout of the end faces, s
End face concavity, h, and end face step, h
End face diameter, d
Outside-edge profile
Inside chamfer, t
Tapered bore diameter, d
Tapered bore angle, α
Runout tapered bore, e
Roughness
Carburised and nitrided case depth
Core hardness
Peripheral surface hardness
Volume change
Material defects
Residual magnetism
Visual defects
Grinder burn
Streaks on bore surface
Bibliography
Cooperation at DIN
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