Linear bearing is a kind of linear motion system produced at low cost, which is used for infinite travel and cylindrical shaft. Because the bearing ball is in point contact with the shaft, the load is small. The steel ball rotates with minimal friction resistance, so that a high-precision smooth motion can be obtained.
Linear bearings are widely used in electronic equipment, food machinery, packaging machinery, medical machinery, printing machinery, textile machinery, machinery, instruments, robots, tool machinery, CNC machine tools, automobiles and digital three-dimensional coordinate measuring equipment and other precision equipment or special machinery industries. Let's take a look at the classification of materials in linear bearing: metallic materials, nonmetallic materials and composite materials.
1. Metal materials: ferrous metals and non-ferrous metals.
2. Ferrous metals: pure iron, steel and cast iron.
3. Non-ferrous metals: copper and copper alloys, aluminum and aluminum alloys, titanium and titanium alloys, magnesium and magnesium alloys, etc.
4. Steel: carbon steel and alloy steel.
5. Cast iron: gray cast iron, nodular cast iron and malleable cast iron.
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