What are the components of ceramic bearings?

The manufacturing materials of ceramic bearings are mainly silicon nitride ceramics. According to relevant data reports, the two rising stars in modern ceramics - silicon nitride and silicon carbide have amazing high temperature resistance. Silicon nitride ceramics are still strong at 1400 degrees Celsius and silicon carbide ceramics are still as high as 7000 kilograms per square centimeter at 1700 degrees Celsius, and most metals have already softened or melted into liquids.

What are the components of ceramic bearings?

What is the use of ceramic bearings in the field of automobile manufacturing?

What is the processing flow of ceramic bearings?

What are the components of ceramic bearings?

full ball

The full-complement ball type full-ceramic bearing has a ball-filling notch on one side. Due to the design of the cage-free structure, more ceramic balls can be loaded than the standard structure bearing, thereby improving its load capacity and avoiding the limitation of cage materials. , can achieve the effect of corrosion resistance and temperature resistance of ceramic cage type all-ceramic bearings. This series of bearings is not suitable for high rotation speed, and the notched surface should be installed at the end that does not bear the axial load during installation.

Hybrid ceramic ball

Ceramic balls, especially silicon nitride balls, have the characteristics of low density, high hardness, low friction coefficient, wear resistance, self-lubrication and good rigidity, and are especially suitable for rolling elements (inner and outer rings) of hybrid ceramic ball bearings with high speed, high precision and long life for metal). Generally, the inner and outer rings are made of bearing steel (GCr15) or stainless steel (AISI440C), and the ceramic balls can be selected from ZrO2, Si3N4, or SiC materials.

What is the use of ceramic bearings in the field of automobile manufacturing?

The bearings used in automobiles have the highest speed requirements are turbocharger bearings, which require bearings to have good acceleration reactivity, as well as low torque, low vibration and low temperature rise under high-speed rotation. Because the ceramic bearing has a low temperature rise during operation, the amount of lubricating oil can be reduced, so the stirring resistance of the oil is reduced, the bearing torque is reduced, and the rotational speed is increased. In addition, rail vehicles also use ceramic bearings, which have proven durability and reliability under harsh conditions.

What is the processing flow of ceramic bearings?

Processing flow and method of ceramic bearing: extrusion molding, uniformly mixing powder, binder, lubricant, etc. with water, and then extruding the plastic material out of a rigid mold to obtain tubular, cylindrical, plate and porous cylindrical shaped bodies. The main disadvantage is that the material has low strength and is easy to deform, and may produce surface pits and defects such as blistering, cracking and internal cracks. The materials used for extrusion molding use binder and water as plastic carriers, especially clay to improve material compatibility. Therefore, it is widely used in the forming production of traditional refractory materials, such as furnace tubes and some electronic materials.

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