Apparatus for testing lubricating and material properties

Details Apparatus for testing lubricating and material properties Apparatus for testing lubricating and material properties

1983-01-20

1984-08-21

Goldberg, Gerald

Measuring and testing

Frictional resistance, coefficient or characteristics

Lubricant testing

73 64, 73 60, 73DIG4, G01N 356, G01N 1902

Patent

active

044662718

ABSTRACT:
In an apparatus for testing lubricating or material properties, two clamping assemblies are pressed together. Each clamping assembly has a clamping surface facing the clamping surface on the other assembly. The first clamping surface has two annular roller paths with the axes of the paths spaced apart. The second clamping surface has one annular roller path intersecting the roller paths on the first clamping surface. Four balls roll in the roller path of the second clamping surface with two of the balls rolling in one of the roller paths of the first clamping surface and the other two balls rolling in the other roller path of the first clamping surface. The clamping assembly with the second clamping surface oscillates back and forth relative to the clamping assembly with the first clamping surface. The pulling force developed by the movement of the balls is measured as an indication of the properties of a lubricant filled into the roller paths or of the materials of the balls and the roller paths.

REFERENCES:
patent: 2020565 (1935-11-01), Neely et al.

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