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Ceramic Medical Instruments With High Temperature, Cold, Wear
Jul 18, 2017

Ceramic Medical Instruments as an important mechanical foundation pieces, because of its metal bearings can not match the excellent performance, high temperature, super strength in the world of new materials dominate. Over the past decade, in the national economy and people in various fields has been increasingly widely used.

Aerospace, marine, nuclear industry, petroleum, chemical industry, machinery, metallurgy, electric power, food, locomotive, subway, high-speed machine tools and scientific research military and other fields need high temperature, high speed, deep cold, flammable, easy Explosion, strong corrosion, vacuum, electrical insulation, non-magnetic, dry friction and other special conditions of work, Ceramic Medical Instruments indispensable alternative role is being gradually recognized.

First, because the ceramic is almost not afraid of corrosion, so the ceramic rolling bearings suitable for corrosive media in the harsh conditions of operation.

Second, because the ceramic rolling ball density is lower than the steel, the weight is much lighter, so the rotation of the outer ring when the centrifugal effect can be reduced by 40%, and thus greatly extend the service life.

Third, the impact of thermal expansion and contraction of the ceramic than the steel is small, so the gap in the bearing must be allowed to change the temperature difference in the more drastic environment.

Fourth, because the ceramic elastic modulus than steel, stress is not easy to deformation, it is conducive to improve the working speed, and to achieve high accuracy.

Ceramic Medical Instruments with high temperature, cold, wear, corrosion resistance, anti-magnetic insulation, no oil self-lubricating, high speed and other characteristics.

It can be widely used in the fields of aviation, aerospace, navigation, petroleum, chemical, automobile, electronic equipment, metallurgy, electric power, textile, pump, medical device, scientific research and national defense and military fields. New materials used in high-tech products.

Ceramic bearing rings and rolling body using all-ceramic materials, zirconium oxide (ZrO2), silicon nitride (Si3N4), silicon carbide (Sic) three. The holder is made of polytetrafluoroethylene, nylon 66, polyether imide, zirconia, silicon nitride, stainless steel or special aviation aluminum, thus expanding the application of Ceramic Medical Instruments.

Ceramic bearing performance and price ratio is far superior to all steel bearings, life than the current use of bearing life increased more than 3 times, can save a lot of downtime maintenance time, reduce the rejection rate, reduce the stock bearing spare parts. The same time as the above-

Compared with the bearing steel performance, the weight is 30% -40% of the bearing steel, can reduce the centrifugal force generated by the increase in moving load and slip. Due to high wear resistance, the speed is 1.3-1.5 times the bearing steel, can reduce the high-speed rotation of the channel surface damage. The modulus of elasticity is 1.5 times higher than that of bearing steel. The elasticity of the force is small, and the deformation due to the high load can be reduced. Hardness is 1 times the bearing steel, can reduce wear. Compression is 5-7 times the bearing steel. The coefficient of thermal expansion is less than 20% of the bearing steel. The friction coefficient is less than 30% of the bearing steel, can reduce the heat generated by the friction, can reduce the high temperature caused by the early peeling off the bearing failure. Tensile, bending and metal equivalent.

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