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Spray coating processing SPRAY PROCESSING
Bent-tube supersonic spraying of tungsten carbide coating—wear-resistant, high-temperature resistant, and corrosion-proof.
Tungsten carbide coating is a type of coating applied to the surface of a substrate, with tungsten carbide as its primary component. Tungsten carbide is an extremely hard ceramic material that boasts excellent properties such as a high melting point, exceptional hardness, outstanding wear resistance, and superior corrosion resistance. By forming tungsten carbide into a coating and applying it to metal surfaces, the hardness, wear resistance, corrosion resistance, and high-temperature performance of these metal surfaces can be significantly enhanced. Tungsten carbide coatings are widely used in fields including tools, molds, aerospace, automotive, and machinery.
Product Description
Bent-tube supersonic spraying of tungsten carbide coating—wear-resistant, high-temperature resistant, and corrosion-proof.
Tungsten carbide coating is a type of coating applied to the surface of a substrate, with tungsten carbide as its primary component. Tungsten carbide is an extremely hard ceramic material that boasts excellent properties such as a high melting point, exceptional hardness, outstanding wear resistance, and superior corrosion resistance. By forming tungsten carbide into a coating and applying it to metal surfaces, the hardness, wear resistance, corrosion resistance, and high-temperature performance of these metal surfaces can be significantly enhanced. Tungsten carbide coatings are widely used in fields such as tools, molds, aerospace, automotive, and machinery.
The SX-8000 supersonic flame spraying system is a new type of HVOF system. Its basic principle involves using an atomizing nozzle to thoroughly atomize kerosene after introducing combustion-supporting oxygen, thereby forming a combustible mixture that enters the combustion chamber. Once ignited by the ignition system, this high-temperature, high-pressure gas flow is further accelerated and burned through a Laval nozzle, generating a supersonic flame jet at high temperature and pressure. A powder feeding system then delivers powdered materials from a low-pressure zone into the flame jet, where they are heated and accelerated before being sprayed onto the workpiece surface to form a high-quality coating.
The equipment includes: ① intelligent control cabinet ② intelligent dual-powder feeding system ③ gas safety center ④ spray gun ⑤ cooling system ⑥ kerosene storage cabinet and piping connections, among other components.
The SX-8000 supersonic flame spraying equipment was developed based on the introduction, digestion, and assimilation of advanced foreign equipment and technologies. It exhibits eight distinct and remarkable characteristics that set it apart from other HVOF systems:
1. The fuel used is kerosene, and the oxidizer is oxygen—a relatively safe combustion mode.
2. The spray gun’s structure is designed based on the principle of a rocket generator. The combustion chamber pressure reaches 150 PSI, and the flame jet velocity exceeds 2000 m/s. It delivers high output power and features stepless adjustment capability.
3. The spray gun employs radial powder feeding. This new injection method enables the powder to melt more effectively and distribute uniformly throughout the flame, thereby improving coverage efficiency and coating quality.
4. The system design sets the temperature range within a specific interval and takes increasing the speed as the primary objective function for structural optimization. X-ray diffraction tests have confirmed that the coating produced by this device not only exhibits high bonding strength and high coating density but also features compressive surface stress.
5. Modular design, high-performance PLC control, safe and easy operation;
6. The particle velocity generated by the combustion design reaches 1,100 meters per second (3,300 to 3,900 feet per second), significantly faster than that of other HVOF systems;
7. The coating thickness exceeds 1/2 inch (compressive stress coating), and its microhardness is higher than that of any other HVOF system (the microhardness of WC-Co coatings sprayed using the HV-80 torch can reach as high as 1450, whereas the microhardness of WC-Co coatings sprayed by other gas-fired HVOF guns ranges only from 900 to 1100).
8. The SX-8000 supersonic flame spraying system achieves exceptional high-pressure HVOF coating quality, with coatings attaining a bond strength of up to 90 MPa.
Next: New energy plasma分级 wheel spraying with white alumina coating
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Related products
Spraying equipment SPRAY EQUIPMENT
Bent-tube supersonic spraying of tungsten carbide coating—wear-resistant, high-temperature resistant, and corrosion-proof.
Tungsten carbide coating is a type of coating applied to the surface of a substrate, with tungsten carbide as its primary component. Tungsten carbide is an extremely hard ceramic material that boasts excellent properties such as a high melting point, exceptional hardness, outstanding wear resistance, and superior corrosion resistance. By forming tungsten carbide into a coating and applying it to metal surfaces, the hardness, wear resistance, corrosion resistance, and high-temperature performance of these metal surfaces can be significantly enhanced. Tungsten carbide coatings are widely used in fields including tools, molds, aerospace, automotive, and machinery.
Product Description
Bent-tube supersonic spraying of tungsten carbide coating—wear-resistant, high-temperature resistant, and corrosion-proof.
Tungsten carbide coating is a type of coating applied to the surface of a substrate, with tungsten carbide as its primary component. Tungsten carbide is an extremely hard ceramic material that boasts excellent properties such as a high melting point, exceptional hardness, outstanding wear resistance, and superior corrosion resistance. By forming tungsten carbide into a coating and applying it to metal surfaces, the hardness, wear resistance, corrosion resistance, and high-temperature performance of these metal surfaces can be significantly enhanced. Tungsten carbide coatings are widely used in fields such as tools, molds, aerospace, automotive, and machinery.
The SX-8000 supersonic flame spraying system is a new type of HVOF system. Its basic principle involves using an atomizing nozzle to thoroughly atomize kerosene after introducing combustion-supporting oxygen, thereby forming a combustible mixture that enters the combustion chamber. Once ignited by the ignition system, this high-temperature, high-pressure gas flow is further accelerated and burned through a Laval nozzle, generating a supersonic flame jet at high temperature and pressure. A powder feeding system then delivers powdered materials from a low-pressure zone into the flame jet, where they are heated and accelerated before being sprayed onto the workpiece surface to form a high-quality coating.
The equipment includes: ① intelligent control cabinet ② intelligent dual-powder feeding system ③ gas safety center ④ spray gun ⑤ cooling system ⑥ kerosene storage cabinet and piping connections, among other components.
The SX-8000 supersonic flame spraying equipment was developed based on the introduction, digestion, and assimilation of advanced foreign equipment and technologies. It exhibits eight distinct and remarkable characteristics that set it apart from other HVOF systems:
1. The fuel used is kerosene, and the oxidizer is oxygen—a relatively safe combustion mode.
2. The spray gun’s structure is designed based on the principle of a rocket generator. The combustion chamber pressure reaches 150 PSI, and the flame jet velocity exceeds 2000 m/s. It delivers high output power and features stepless adjustment capability.
3. The spray gun employs radial powder feeding. This new injection method enables the powder to melt more effectively and distribute uniformly throughout the flame, thereby improving coverage efficiency and coating quality.
4. The system design sets the temperature range within a specific interval and takes increasing the speed as the primary objective function for structural optimization. X-ray diffraction tests have confirmed that the coating produced by this device not only exhibits high bonding strength and high coating density but also features compressive surface stress.
5. Modular design, high-performance PLC control, safe and easy operation;
6. The particle velocity generated by the combustion design reaches 1,100 meters per second (3,300 to 3,900 feet per second), significantly faster than that of other HVOF systems;
7. The coating thickness exceeds 1/2 inch (compressive stress coating), and its microhardness is higher than that of any other HVOF system (the microhardness of WC-Co coatings sprayed using the HV-80 torch can reach as high as 1450, whereas the microhardness of WC-Co coatings sprayed by other gas-fired HVOF guns ranges only from 900 to 1100).
8. The SX-8000 supersonic flame spraying system achieves exceptional high-pressure HVOF coating quality, with coatings attaining a bond strength of up to 90 MPa.
Next: New energy plasma分级 wheel spraying with white alumina coating
Online Quotation
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