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About Metal Working Lubricants, Coolants and Fluids
Metal working lubricants, coolants and fluids are specialized coatings and carriers for metal forming, metal cutting, lapping, polishing, and grinding applications. Metal forming oils, greases and fluids are designed to enhance lubrication during extrusion, wire drawing, stamping, bending, swaging, rolling, embossing, and other deformation processes. Metal cutting fluids are used in metal machining for improving tool life (reducing wear), increasing lubrication, reducing workpiece thermal deformation, improving surface finish and flushing away chips from the cutting zone. In lapping or polishing compounds, fluids or oils are used to carry abrasive powders. In grinding applications, the main function of metal working lubricants, coolants and fluids is to perform workpiece cooling. These products are also used to prevent rust and corrosion, and to serve as release agents that prevent materials from sticking or adhering to an underlying surface.
There are three basic types of metal working lubricants, coolants and fluids: fluids, greases, and solid lubricants or dry film. Fluids are a broad category of products that includes lubricants, coolants, metal working fluids, refrigerants, dielectric greases, transformer oils, base oils, and fuel or oil additives. Greases, gels and lubricating pastes are thick, high viscosity products that do not run or flow off surfaces. Greases often consist of oil thickened with a sodium or calcium soap complex or non-soap thickener. Solid lubricants or dry film lubricants are compounds such as hexagonal flake graphite, boron nitride (BN), molybdenum disulfide, or polytetrafluoroethylene (PTFE) powders designed to reduce friction, binding or wear; exclude water; or provide other specialized characteristics.
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Engineering Web: Metal Working Lubricants Coolants and Fluids
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ASTM D2881 -03(2009) Standard Classification for Metal Working... Index Terms coolants; greases; metal forming fluids; metal removal fluids; metal working fluids; pastes; semi-synthetic fluids; solid lubricants; See ASTM International Information |
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ASTM E2523 -07 Standard Terminology for Metalworking Fluids... of Atmospheres D2881 Classification for Metal Working Fluids and Related Materials D7049 Test Method for Metal Removal Fluid Aerosol in Workplace See ASTM International Information |
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ASTM D2881-03(2009) Standard Classification for Metal... |
