Graphite Bolts

Graphite bolts manufacturer:

There are few advantages of graphite bolts compared with normal bolts:

Graphite bolts

Highly stable chemical stability. This allow the to have the ability to work well in environment with acid, alkali and organic solvent corrosion.

Resistant to high temperature and thermal conductivity. Thus the graphite bolts can withstand the deformation and deterioration under high temperature.

Excellent lubricant performance. So that graphite bolts can reduce friction and material loss in use.

Balance in lightweight and high-strength.

High strength and toughness. Graphite bolts can withstand large loads. And they can be stable when bearing impact and vibration.

Torque carrying capacity. The torque carrying capacity of graphite bolts is usually high, which can reach 2 to 3 times that of ordinary bolts. But the specific carrying capacity needs to be calculated and tested based on actual situation.

Normal boats:

Normal bolts are mainly made by metal. Such as carbon steel, stainless steel, alloy steel, etc.

Metal bolts have different level of strength and corrosion during uses based on different materials.

Normal bolts are not equipped with the ability of high-temperature resistance and lubrication.

Процесс производства

Raw material selection and pretreatment: We choose high-quality carbon raw materials with uniform graphite flake size and less impurities. Then we use appropriate bonding agents to screen and remove impurities from raw materials. This is to ensure the purity and quality of raw materials.

Ingredients and kneading: the raw materials and binders are mixed according to a certain proportion evenly.

Press: Put the mixed raw materials into the mold, press on the press to form the required shape of the graphite product body.

Roasting: The pressed graphite product is subjected to high temperature heat treatment under the protection of a specific filler. This improves the mechanical strength of the product, reduce the resistivity, improve its thermal stability and chemical stability.

Impregnation: the liquid impregnating agent asphalt penetrates into the electrode pores of the graphite products. This can reduce porosity, increase bulk density and mechanical strength. While improving the electrical and thermal conductivity of the product.

Secondary roasting: the impregnated graphite products are roasted again to further carbonize roasted products. This step is critical for the production of graphite products with high volume density and excellent performance.

Graphitization: The carbon products are heated to above 2300°C in a high temperature electric furnace for графитизация. This process further improvs the electrical conductivity, thermal conductivity and mechanical properties of the product.

Processing and trimming: In this step, we will meet the customer’s specific size and shape requirements. Processing and trimming of graphitized bolts, such as cutting, turning, milling, etc.

Applications of Graphite Bolts:

Aerospace: Graphite bolts are crucial connecting components of airplanes and space rockets. They can ensure that the integrity and reliability of structures under extreme operating conditions.

Automotive Industry: Graphite bolts can connecting various parts of automotive engines, chassis, bodies. And they also play an important role in automotive electrical systems.

Electronic industries: As графит is the material with good electrical conductivity and high-temperature resistance, graphite bolts are also common in connecting parts of electronic devices. Such as circuit boards, resistors, capacitors, and other electronic components.

Chemical industries: Graphite bolts are able to work under environment of acid, alkali, organic solvent. Thus they are widely-used parts in connecting and sealing process of chemical equipments. For example, chemical reactors, storage tanks, pipelines, and other equipment connections.

At the same time, graphite bolts and screws can cope with graphite nuts, they are very common combination in industries. In the chemical industry, they are widely used to connect special equipment because of their corrosion resistance. In addition, they also play an important role in the electronics industry and the manufacture of вакуумная печь equipment.

However, the using scenario of normal bolts is very limited, they are mainly used in:

A variety of machinery, equipment, vehicles, bridges and building structures.

Furniture assembly, mechanical maintenance, construction and other daily scenes.