As the contact part between the sliding bearing and the journal, the shaft shingle is shaped as a tile-like semi-cylindrical surface, which is very smooth. It is generally made of wear-resistant materials such as bronze, friction-reducing alloy, etc. In special cases, it can be made of wood, engineering plastic or rubber. Bearing in the process of use, shaft shingles also play a big role, its shaft shingle material use performance has certain characteristics, the following shares the relevant knowledge. Shaft shingle material performance characteristics are mainly the following. 1. Friction reduction: the material vice has a low coefficient of friction. 2. Wear resistance: the material’s anti-wear performance, usually expressed in terms of wear rate. 3. Bite resistance (gluing): the heat resistance and anti-adhesive properties of the material. 4. Friction compliance: the ability of the material to compensate for poor initial fit of the bearing sliding surface through surface elastoplastic deformation. 5. embeddedness: the material accommodates hard particles embedded, thus reducing the performance of the bearing sliding surface to occur scratch or abrasive wear. 6. Abrasion: shaft tile and journal surface after a short period of light load operation, the ability to form a mutually compatible surface shape and roughness (or nature). 7. In addition, there should be sufficient strength and corrosion resistance, good thermal conductivity, processability and economy. Sliding bearing shaft shingle material types. Commonly used shaft tile materials are: metal materials, non-metallic materials and powder metallurgical materials Shaft tile metal materials are generally used bearing alloy (pasteurized alloy, white alloy) is an alloy composed of tin, lead, antimony, copper, etc.; copper alloy, which is mainly divided into two categories of bronze and brass; cast iron has ordinary gray cast iron, ductile iron, etc. Shaft tile non-metallic materials are plastic, hardwood, rubber, etc., of which plastic is used the most Powder metallurgical materials for shaft shingles are made of copper, iron, graphite and other powders by pressing, sintering the porous shaft shingle material.  

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