Hvof Coating Process
The coatings produced by hvof are similar to those produce by the detonation process.
Hvof coating process. Like hvof this produces a uniform high velocity jet. Provide exceptional corrosion resistance in a variety of extreme environments. High velocity oxygen fuel coating hvof is one of the coating techniques which is widely used in industry because of its ease of operation low cost and efficient processing. The high velocity oxygen fuel hvof process is when fuel and oxygen are fed into a combustion chamber and ignited and combusted continuously.
Hold up against scratches chips wear abrasion and extreme heat. Molten or semi molten materials are sprayed onto the surface by means of the high temperature high velocity gas stream producing a dense spray coating which can be ground to a very high. The fuels can be gases hydrogen methane propane propylene acetylene natural gas etc or liquids kerosene ethanol etc. Hvof coatings are very dense strong and show low residual tensile stress or in some cases compressive stress which enable very much thicker coatings to be applied than previously possible with the other processes.
Hvaf differs by including a heat baffle to further stabilize the thermal spray mechanisms. Hvof coatings are high in density thickness and hardness. Hvof is a method of propelling molten particles on to work surfaces for each coating. Hvaf coating technology is the combustion of propane in a compressed air stream.
The material is then propelled at supersonic velocity toward the surface to be coated. These include the coating mate rial to be applied a powder feeder to deliver the coating material to the spray gun the hvof spray gun that will heat the coating material and propel it to the workpiece and a control system that accurately controls the gas flows required for hvof combustion. We help you protect your components against wear. Hvof coating is a high velocity low temperature spraying process used for the production of metallic and hard facing coatings.
The study of the hvof spraying process is useful for. Coatings are bonded to the surface at 10 times the strength of traditional coatings. In addition hvof coatings can protect the underlying surface from the harsh environments such as high temperature corrosion and abrasion. Advantages of hvof coating.
Sulzer has well equipped locations worldwide for all kinds of coating. Hvof coating hvof coating process. High velocity oxygen fuel hvof coating. High velocity oxy fuel hvof spraying is a thermal coating process involving the delivery of coating powder axially into a pre ignited mixture of oxygen and fuel ejected through a nozzle.