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Spray coating processing SPRAY PROCESSING
Guangzhou Sanxin SX-80 Plasma Equipment Robot Soundproof Booth Dust Collector Sintering Round Dish Coating Production Line
The Guangzhou Sanxin SX-80 plasma equipment, along with a complete sintering and coating production line—including robots, intelligent spraying carts, soundproof booths, and dust collectors—is currently being installed at the customer’s site at the Tianjin Cemented Carbide Factory.
Plasma-sprayed nickel mesh, foam nickel, ternary nickel-aluminum coating, nickel mesh plasma thermal spraying machine
Guangzhou Sanxin filter elements are coated with a nickel-aluminum layer, which offers exceptional corrosion and erosion resistance. The coating can withstand direct exposure to acidic and alkaline environments as well as salt spray conditions, ensuring that chemical and environmental protection filter elements remain leak-free and maintain their effectiveness over time. The coating is highly wear-resistant and impact-resistant, significantly reducing wear on the filter element caused by hydraulic oil and industrial impurities, making these filters particularly durable for hydraulic and power systems. The coating features thin, uniform pores that do not clog the filter element’s filtration channels, thus preserving the filter’s efficiency without any reduction in performance.
Manufacturer-supplied plasma spray reactor for spraying chromium oxide coatings and other plasma material surface treatment equipment.
Using plasma spraying technology, a silicon carbide coating is densely bonded to the inner wall of the tank. Its core advantage directly addresses key pain points: Superior corrosion resistance: After being immersed for 1,000 hours in 98% concentrated sulfuric acid and 50% sodium hydroxide solution, no blistering occurs—its corrosion rate is 2 to 4 orders of magnitude lower than that of Hastelloy! Lithium battery tanks can effectively resist erosion by HF gas, extending their service life up to five times that of conventional enamel-lined tanks. Ultra-hard, wear-resistant, and highly resistant to abrasion: With a Mohs hardness of 9.2 (second only to diamond), its wear rate under particle abrasion is 10 times lower than that of ordinary stainless steel, ensuring that chemical reactors and food mixing tanks remain undamaged even after prolonged use.
Thermal Spraying Tungsten Carbide Powder
Tungsten carbide itself is extremely hard (with a Mohs hardness of about 9 and a Vickers hardness well above 1500 HV). However, pure tungsten carbide coatings are highly brittle and very difficult to spray. Therefore, the tungsten carbide powders used in thermal spraying are not pure WC; rather, they are composite powders made by combining WC particles with a metallic “binder phase” (typically cobalt Co, but sometimes nickel Ni, chromium Cr, or cobalt-chromium alloy CoCr).
Introduction to Corrosion-Resistant Powder Materials for Thermal Spraying
The ceramic coating materials used in plasma spraying primarily consist of oxide ceramics from the alumina-titanium/chromium oxide series. Coatings produced by this spraying process exhibit exceptionally excellent and stable wear resistance, friction reduction, and corrosion resistance. The coating microstructure is dense, and when combined with appropriate pore-sealing treatments, these coatings are widely used in components such as plungers, piston rods, and sealing sleeves in petroleum, hydraulic, and marine equipment. They effectively mitigate the corrosive effects of media on equipment parts while also meeting stringent wear resistance requirements.
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