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ASTM A 986/A 986M

Ausgabedatum: 2021 03 01

Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings

This test method covers the procedures for the standard practice of performing magnetic particle examination of continuous grain flow crankshaft forgings intended for med...
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Herausgeber:
American Society for Testing and Materials
Format:
Digital | 3 Seiten
Sprache:
Englisch
This test method covers the procedures for the standard practice of performing magnetic particle examination of continuous grain flow crankshaft forgings intended for medium speed diesel engines. Crankshafts shall be divided into four zones of decreasing operational stress, each of which have been designated its own set of acceptance criteria. Zone 1, which consists of the major critical areas, includes the crankpin journals, main bearing journals, and oil holes. Zone 2, which consists of the minor critical areas, includes the balance of the fillet radii of the crankpin and main bearing journals not included in Zone 1. Zone 3, which comprises the journal running surfaces, includes the remainder of the crankpin and main bearing journal surfaces not covered by Zones 1 and 2. Finally, Zone 4 comprises all other remaining areas, including the crankpin web surfaces, and flange faces and periphery. Dimpling technique may be used to remove unwanted visual or magnetic particle indications.

ASTM A 986/A 986M
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Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgi...
Norm
ASTM A 986/A 986M
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Norm
ASTM A 986/A 986M
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