REPORTS

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OSU

COLLEGE OF OCEANOGRAPHY

Evaluation of the Core-Lube System
1/2" - 3x19 - 30,000 Ft. Wire Rope

  Bureau Of Mines

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US Bureau of Mines, determined that the life of hoist ropes can be

increased by regular application of selected lubricants.

Wire ropes are subjected to environmental conditions, such as high humidity

and acidic water, which cause rapid internal corrosion. Analysis have shown

that a thin synthetic lubricants capable of penetrating the spaces between the

wires into the core are able to extend rope life significantly. The report showed

that non penetrating lubricants (greases) can cause rapid internal corrosion and

deterioration. In some cases, they may even accelerate internal corrosion,

promoting the retention of moisture inside the wire rope.

 PMI Analysis

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PMI Industries, Inc.     Micro analysis of lubricants applied to wireline cables

using the 800 Ser. CoreLube System.

The report determined the effectiveness of 5 different lubricants applied to wireline

cables or (EM cables) with the 800 Ser. CoreLube System.