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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
Novel approach to enclosed gear lubrication on board mining equipment. N.G. Samman and S.N. Lau. Lubric. Engng., January 1996, 52(1), 84--93.
The lubrication performance of ISO 1000 heavy gear oils in a shovel hoist gearcase is described. The oils are based on residual/asphaltic oil or synthetics such as high viscosity polyalphaolefins. Catastrophic failures occur because these oils are too viscous to creep into bearing elements under Canadian winter conditions. Formulation of a new semi-fluid grease lubricant is described and this provides adequate lubrication of bearings and gears at temperatures down to -40 degrees C. Development of the new enclosed gear lubricant is described. Ten major features are listed and the results of field performance tests are tabulated. The new lubricant is environmentally acceptable and cheaper than high viscosity synthetic oils. 9 refs.
Abstract details
Journal title: Lubrication Engineering
Subjects: Mining Engineering, Mechanical and industrial engineering, Fuel quality and control, Transformation [Energy processing] (Conversion), Gas works (and other conversion to gases), Mining and quarrying, Lubricants, Oil and gas, Oil
