Corrosion

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ASTM D1743 DETERMINING CORROSION PREVENTIVE PROPERTIES OF LUBRICATING GREASES
This test method covers the determination of the corrosion preventive properties of greases using grease-lubricated tapered roller bearings stored under wet conditions. This test method is based on CRC Technique L 412 that shows correlations between laboratory results and service for grease lubricated aircraft wheel bearings.

ASTM D4950 STANDARD CLASSIFICATION AND SPECIFICATION FOR AUTOMOTIVE SERVICE GREASES

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Corrosion preventive properties apparatus (main procedure) CORROSION PREVENTIVE PROPERTIES APPARATUS
(MAIN PROCEDURE)

This instrument it’s used to determine the anti-corrosive properties of the grease-lubricated bearings using fat stored in wet conditions.
The instrument consists of a head mounted on the rotating assembly to 1750 rpm a workpiece mounted on a controller with built-in digital timer, bearing Timken LM11949 and LM 11910 and bearing assembly that would support the blocking test bearing.

Technical specifications:
– Power supply: 220V 50Hz

 

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Corrosion preventive properties apparatus (alternate procedure)CORROSION PREVENTIVE PROPERTIES APPARATUS (ALTERNATE PROCEDURE)

Consists of a group rotating at 1.750 rpm mounted on a bedplate, a calibrated thrust device with spring for placing the bearing against the rotating support. Mechanical device for the test grease inlet onto the bearing, bearings Timken LM11949 and LM 11910
– Power supply: 220V 50Hz

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