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The shaft is supported by zirconia ceramic bearings, and the shaft segment matched with the bearing is called the journal. The journal is the assembly benchmark of the shaft, and their accuracy and surface quality are generally required to be high. The technical requirements are generally formulated according to the main function and working conditions of the shaft, and usually include the following items: (1) Dimensional accuracy of zirconia ceramic bearings In order to determine the position of the shaft, the journal of the zirconia ceramic bearing that supports the bearing usually requires high dimensional accuracy (IT5~IT7). The dimensional accuracy of the journal for assembling transmission parts is generally low Read more

Pintejin Ceramics is a professional manufacturer of zirconia ceramics. Do you know enough about zirconia ceramics? The following is a detailed introduction of zirconia ceramics by Pintejin ceramic manufacturers. Zirconia Ceramic Sheet Pure zirconia ceramic is white, yellow or gray when it contains impurities, and generally contains HfO2, which is not easy to separate. The world’s proven zirconium resources are about 19 million tons, and zirconia is usually obtained by purifying zirconium ore. There are three crystal states of pure ZrO2 under normal pressure: monoclinic (Monoclinic) zirconia (m-ZrO2), tetragonal (Tetragonal) zirconia (t-ZrO2) and cubic (Cubic) zirconia (c-ZrO2). The production of zirconia ceramics requires the preparation of powders with high purity, Read more

There are many methods for surface metallization of industrial ceramic substrates. The co-firing method is introduced above. Through high temperature or low temperature co-firing, the performance of zirconia ceramics and alumina ceramic substrates is enhanced and more beautiful. Next, Pintejin Ceramics will continue to introduce the surface metallization of thick film method. The thick film method refers to the production process in which the conductive paste is directly coated on the ceramic substrate by screen printing, and then sintered at high temperature to make the metal layer firmly attached to the ceramic substrate. The choice of thick film conductor paste is a key factor in determining the thick film process, Read more

Silicon carbide ceramics are non-oxide ceramic materials without any metal elements. They are composed of carbon and silicon elements. They have a particle structure similar to diamond, so they are high-strength, hardness and high-temperature corrosion-resistant ceramics. Industrial ceramics are also the most widely used ceramics among non-oxide ceramics. Silicon carbide ceramics have different properties and different application fields due to their different preparation processes, but they are mainly used as high-temperature structural materials, refractory materials, and wear-resistant mechanical seals by using their high temperature resistance, wear resistance, corrosion resistance and other characteristics. materials, acid and alkali-resistant corrosion-resistant materials and high-temperature heat exchange materials, etc. Silicon carbide ceramics can be divided Read more

Zirconia ceramic structural parts can be metallized through some processes. The following Pintejin Ceramics Factory will take you to understand this technology. The metal of the zirconia ceramic structure is melted, and the cross section begins to be filled with its F form, and the fusion of its F4FH weld is carried out through the metal section, and the fusion ratio is 7. When its size affects welding, the composition and the mechanical properties of the product combination can be compared, and the proportion of the weld of the entire metal is a part of the size, so when the steel of the weld is compared with the chemical difference, Read more

Insulating ceramic materials are favored by many people because of their beauty, cleanliness and practicality. With the rapid development of modern society, many people are paying attention to this product. The following is an analysis of insulating ceramic materials by Pintejin ceramic manufacturers. Alumina insulating ceramic tube Insulating ceramics, also known as device ceramics, are used in electronic equipment to install, fix and protect components, as an insulating support for current-carrying conductors and ceramics for various integrated circuit substrates. It has low dielectric constant, low dielectric loss, high mechanical strength, and high dielectric strength, insulation resistance and thermal conductivity. Commonly used insulating ceramics include alumina ceramics, talc ceramics, etc. With Read more

With the continuous development and progress of science and technology, zirconia ceramics have been widely used in various fields, so how to solve the problem of sintering and cracking of zirconia ceramics? Next, Pintejin ceramics will introduce to you. Due to the high hardness of stabilized zirconia ceramics, it is generally used in a steel ball mill for ductile ink, pickling after the ductile ink, and then neutralized with water and dried. The zirconia ceramics are formed by grouting, and the neutral slurry is prepared in the ceramic ball mill with the above materials. Powder (small and 0.05um), the purity is 99.5%. Sintering: In a neutral or oxidizing atmosphere, sintering Read more

As a kind of material, the structure and performance of advanced ceramics are closely related to the preparation process. It is very important to understand and master its preparation process and required preparation technology. In the modern three major materials. That is, among metals, organic polymers and inorganic non-metallic materials, the preparation process of inorganic non-metallic materials is the most special and the most diverse. Metal materials (except cemented carbide) are generally obtained by melting minerals. Such as steel materials, can also be obtained by electrolysis of salt solutions; such as aluminum, copper and so on. The point of the metal material preparation process is that the liquid phase process Read more

The precipitation method is also a commonly used method in the extraction method of zirconia ceramic raw materials. The following Pintejin Ceramics Factory will take you to understand the precipitation method. The precipitation method is a method of adding alkaline substances such as ammonia water to the mixed aqueous solution of water-soluble salts such as carboxyl zirconium chloride and stabilizer salts to obtain the co-precipitation of their hydroxides. After drying the coprecipitate, colloidal amorphous is generally obtained, which is calcined at about 500~700℃ to make ZrO2 powder. This method can prepare powder with fine particle size, good chemical uniformity and easy sintering. Zirconia ceramic rod In the general co-precipitation method, Read more

With the continuous development and progress of science and technology, Dongguan industrial ceramic products with superior performance have been widely recognized by the society. Do you have any precautions when using functional ceramic rods? The following is a professional manufacturer of zirconia ceramics, alumina ceramics and other functional ceramics to introduce the three points of attention for the use of industrial ceramic rods. Precautions for the use of industrial zirconia ceramic rods Dongguan functional wear-resistant ceramic rods: 1. The surface temperature should not be too high. Even very durable wear-resistant ceramic rods need to pay attention to the temperature of the use environment, because its life will be affected by Read more