Heavy industrial machinery uses Babbitt bearings. Babbitt bearings are sleeve bearings made from different alloys that are melted down and cast to make the bearing surface. Babbitt bearings are used for rotating equipment at high speeds. Some examples of where Babbitt bearings are used include: turbines, electric motors, compressors and large power generators. Babbitt bearings are sometimes called centrifugal castings. To make Babbitt bearings, a mold is continuously rotated at high speeds while the molten metal is poured into the mold. The molten metal is thrown toward the inside of the mold wall from the G forces inside. Once cooled, the molten metal solidifies and then any impurities can be machined away that were created in the casting process.
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