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Spray coating processing SPRAY PROCESSING
Agricultural seeding disc with supersonic-sprayed tungsten carbide coating—wear-resistant, corrosion-resistant, and high-temperature resistant.
The SX-8000 supersonic spraying equipment production line from Guangzhou Sanxin Company is used by Xi'an Ya'ao Agricultural Machinery Co., Ltd. to apply tungsten carbide coatings onto seeding disc products. The SX-8000 supersonic flame spraying system is a new type of HVOF system. Its basic principle involves atomizing kerosene thoroughly through an atomizing nozzle using an oxidant—oxygen—thus forming a combustible mixture that enters the combustion chamber. After being ignited by the ignition system, this high-temperature, high-pressure gas flow passes through a Laval nozzle, where it undergoes further combustion and forms a high-temperature, high-pressure supersonic flame jet. Meanwhile, the powder feeding system delivers powdered materials from a low-pressure zone into the flame jet; after being heated and accelerated, these powders are sprayed onto the workpiece surface, forming a high-quality coating.
Product Description
Agricultural seeding disc with supersonic-sprayed tungsten carbide coating—wear-resistant, corrosion-resistant, and high-temperature resistant.
The SX-8000 supersonic spraying equipment production line from Guangzhou Sanxin Company is used by Xi'an Ya'ao Agricultural Machinery Company to apply tungsten carbide coatings to seeding disc products.
The SX-8000 supersonic flame spraying system is a new type of HVOF system. Its basic principle involves atomizing kerosene thoroughly using an atomizing nozzle to produce a combustible mixture, which is then fed into the combustion chamber. After being ignited by the ignition system, the high-temperature, high-pressure gas passes through a Laval nozzle, where it undergoes further combustion and forms a high-temperature, high-pressure supersonic flame jet. Meanwhile, the powder feeding system 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 system is a spraying equipment developed on the basis of introducing, digesting, and absorbing 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, and 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 powder-making equipment—plasma-sprayed alumina coating on grading wheels
Online Quotation
Related products
Spraying equipment SPRAY EQUIPMENT
Agricultural seeding disc with supersonic-sprayed tungsten carbide coating—wear-resistant, corrosion-resistant, and high-temperature resistant.
The SX-8000 supersonic spraying equipment production line from Guangzhou Sanxin Company is used by Xi'an Ya'ao Agricultural Machinery Co., Ltd. to apply tungsten carbide coatings onto seeding disc products. The SX-8000 supersonic flame spraying system is a new type of HVOF system. Its basic principle involves atomizing kerosene thoroughly through an atomizing nozzle using an oxidant—oxygen—thus forming a combustible mixture that enters the combustion chamber. After being ignited by the ignition system, this high-temperature, high-pressure gas flow passes through a Laval nozzle, where it undergoes further combustion and forms a high-temperature, high-pressure supersonic flame jet. Meanwhile, the powder feeding system delivers powdered materials from a low-pressure zone into the flame jet; after being heated and accelerated, these powders are sprayed onto the workpiece surface, forming a high-quality coating.
Product Description
Agricultural seeding disc with supersonic-sprayed tungsten carbide coating—wear-resistant, corrosion-resistant, and high-temperature resistant.
The SX-8000 supersonic spraying equipment production line from Guangzhou Sanxin Company is used by Xi'an Ya'ao Agricultural Machinery Company to apply tungsten carbide coatings to seeding disc products.
The SX-8000 supersonic flame spraying system is a new type of HVOF system. Its basic principle involves atomizing kerosene thoroughly using an atomizing nozzle to produce a combustible mixture, which is then fed into the combustion chamber. After being ignited by the ignition system, the high-temperature, high-pressure gas passes through a Laval nozzle, where it undergoes further combustion and forms a high-temperature, high-pressure supersonic flame jet. Meanwhile, the powder feeding system 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 system is a spraying equipment developed on the basis of introducing, digesting, and absorbing 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, and 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 powder-making equipment—plasma-sprayed alumina coating on grading wheels
Online Quotation
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