Ceramic Shaft Core and Shaft Sleeve

Ceramic plain bearing is made of ceramic material core (shaft) and sleeve (bushing) paired composition, the use of ceramic material itself low coefficient of friction, self-lubrication, high wear resistance and chemical stability and other characteristics of the realization of the rolling body conditions of the relative rotation or reciprocating motion.

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The materials of ceramic plain bearings (cores and bushings) mainly include alumina, zirconia, silicon nitride and composite materials, etc., which need to be selected according to the load characteristics, environmental atmosphere and other comprehensive conditions.

• Aluminum oxide ：Aluminum oxide has high hardness, excellent corrosion resistance and cost-effective, suitable for corrosive environments but the load and impact is not high occasions, is the most commonly used materials.
• Zirconia ：Zirconia has a low coefficient of friction and very good self-lubricating properties, and can effectively prevent impact fracture, so it is suitable for vibration noise or impact toughness and other demanding occasions.
• Silicon Nitride ：Silicon Nitride has both high strength, low density and excellent thermal shock resistance, commonly used in high-speed, lightweight or high temperature applications.
• Composite materials ：Alumina reinforced zirconia (ATZ), zirconia toughened alumina (ZTA) and other composite materials, in the original performance of the base material on the basis of the introduction of the performance characteristics of the added material, to obtain both wear resistance and toughness of the new performance.

• High hardness, wear-resistant, long life Strong corrosion resistance
  suitable for use in harsh conditions
• Good self-lubricating conditions,
  can be suitable for no lubrication and less lubrication conditions
• Ceramic shaft center and sleeve have higher wear resistance, longer service life and better heat dissipation than traditional metal shaft center. For example, water-cooling systems with ceramic shaft pumps offer longer life and better heat dissipation. In addition, ceramic shaft cores in water-cooled fans reduce noise and wear and improve equipment stability. Care should be taken when using ceramic shaft sleeve to avoid collision, rapid cooling and heating to prevent shattering or damage.
• Ceramic shaft sleeve is an important wear-resistant and heat dissipation component in water-cooling system, with high wear resistance, high temperature resistance, corrosion resistance and other advantages, widely used in water cooling cooling, water pumps, motors and other fields, it is a key component to improve the performance and life of the equipment.
  
  
  

Step 3 Application Field

Mechanical Engineering Industry

Ceramic shaft cores and bushings are widely used in water-cooled heat sinks, pumps, motors, fans and other equipment. For example, ceramic shaft cores in water-cooled heat sinks improve heat dissipation efficiency and extend equipment life. In addition, ceramic bushings are used in water pumps, motors, fans and other equipment to improve wear resistance and service life.

Chemical Industry

Ceramic spools and sleeves, which can be used as bearings for pumps, valves, agitators, conveying corrosive chemicals, slurries or ultrapure water.

Medical Equipment

Biocompatible and free of heavy metal ions, it can greatly enhance the safety and reliability of medical devices.