Features

A ball of specified diameter (12.7 mm) rotates at a particular velocity comes in contact with three similar stationary steel balls immersed in the lubricant. As per ASTM standards, the upper ball is rotated up to 2000 RPM and the lubricant can be heated up to 200 degrees C. An axial force up to 1000 kg is applied through servo pneumatic close loop loading mechanisms

• . Friction force between the rotating ball and the three stationary balls is measured through a digital load cell mounted in precise location for better resolution
• all the process variables like lubricant temperature, normal load, friction force, coefficient of friction, and rpm are measured and acquired through online data acquisition software through an integrated PC.

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