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The author compares the results of a series of tests on BQ wireline and TBW mining bits containing 3040 US mesh De Beers SDA100 diamond abrasive at 60 concentration when drilling Cornish grey granite at constant penetration rate or constant thrust loads. The results confirmed earlier findings...
In order to ensure effective lubrication of industrial gears, it is first desirable to have a basic knowledge of the tribological implications in their design, ie, to study conditions which can arise when the interacting surfaces are in relative motion.
BP Oil open Phase 1 of a 5.75 extension at the Aldridge, W. Midlands, lubricant blending and packaging plant designed to supply the entire BPDuckams network.
WHEN reliability under stress of a metal fabrication, such as that involved in the building of a nuclear power station or oil rig, depends on the quality of a welding operation, it is not surprising that Lloyd's Register of Industrial Services, whose inspectors pass the finished job, should be...
HIGH performance and speciality elastomer applications are increasing in number as small, efficient engines are designed for the newer small cars. Engine rear crankshaft seals are one of the most demanding uses for fluoroelastomers today. They were first introduced in Europe during the 1960s for...
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