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Thermal Spray Guns
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Thermal Spray Guns

Thermal Spray Guns processhas the advantage of using raw materials like the coating feedstock. This gives a much wider range of coating substance possibilities than theThermal Spray process. In addition, the use of particles allows for a greater degree of independence for spray gun direction. The spray material is fed continuously into a fuel gas oxygen flame where it is typically dissolved by the heat of combustion. The carrier gas transports the particles into the combustion flame, and the different gases transport the material towards the treated workpiece surface. Common choices for fuel gases are acetylene or hydrogen.

Thermal Spray Processes

  • Flame Spraying– The earliest form ofthermal spray,flame spraying, may be applied to a wide variety of raw materials including metal wires, ceramic rods, and metallic and nonmetallic powders. During flame spraying, the raw material is supplied continuously to the tip of the spray gun where it is dissolved in a fuel gas flame and moved to the substrate in a stream of atomizing ether.
  • Wire flame spraying– Thewire flame spray gunconsists of an approach system with a machine and drive rollers for supporting the wire and a gas head with pipes, gas nozzle, and air cap that control the flame and atomization air. Compared witharc spraying, wire flame spraying is usually slower and more expensive because of the comparatively high cost of the oxygen-fuel gas compound related to the cost of electricity.
  • Powder flame sprayingPowder flame spray gunworks in much the equivalent way as wire flame spray except that a powder raw material is practiced somewhat than wire and there is no atomizing air stream. The dissolved coating element is atomized and moved to the surface in the stream of burning fuel gas. The powder is deposited in both a gravity-type hopper added to the top of a spray gun or a more comprehensive air or inert gas entrainment type separated hopper.Powder flame spray gunsare lighter and less than other types of thermal spray guns.
  • HVOF spraying– One of the most modern methods of thermal spray,88yabo , usesoxygenand fuel gas at high pressure. Average fuel gases are propane, propylene, and hydrogen. The burning gas blend is accelerated to supersonic speeds, and a powdered raw material is included in the flame. The process reduces thermal input and maximizes particle dynamic energy to create coatings that are very solid, with low porosity and high bond energy.
  • Arc sprayingArc sprayingmay be applied to electrically conductive elements including metals, alloys, and metal-metal oxide compounds. Inarc spraying, an arc connecting two wires is used to melt the coating element. Reduced gas, commonly air, is used to atomize and propel the molten substance to the substrate. The two wires are continuously supplied to the gun at a regular speed. Coating quality and features can be managed by changing the atomization pressure, air nozzle shape, power, wire feed rate, traverse speed, and delay distance. Arc sprayed coatings display excellent adhesive and cohesive intensity.

Thermal Spray Wires and Powders

Shot Blasters,Thermal Spray Wiresand Powdersare available in a number of packaging options. We offer several sizes of level-layer wound spools and larger dispensing containers for high volume applications.

Thermal Spray Wire

MBshot Code Description
Equivalent
Tafa PMET Metco
大小 Application
Iron-Based
MB-01FE SS420 60T 720 Metcoloy2 1.6/2.0/3.17mm Machine elements, wear resistance
MB-02FE/MB-002FE SS304/304L 80T 710 Metcoloy1 1.6/2.0/3.17mm Corrosion resistance, print rolls, restoration
MB-03FE/MB-003FE SS316/316L 85T 710 Metcoloy4 1.6/2.0/3.17mm Corrosion resistance, print rolls, shafts
MB-04FE FeCrAl Alcro 731 1.6/2.0mm Boiler tubes, dimension restoration
MBM-01FE FeCrBSi(P) 95MXC 273 1.6/2.0mm 锅炉管、浴缸es shields
MBM-02FE FeCrNiB(P) 96MXC 1.6/2.0mm Corrosion resistance, print rolls, restoration
MBM-03FE Tugsten Carbide(P) 97MXC 297 Duocor 1.6/2.0mm Boiler tubes, dimension restoration
MBM-04FE LCr Carbide(P) 98MXC 223 1.6/2.0mm Corrosion resistance, print rolls, restoration
MBM-05FE FeAl 35MXC 50 1.6/2.0mm Machine elements, wear resistance
MBM-06FE HCr Carbide(P) 226 Sm8222 1.6/2.0mm Corrosion resistance, print rolls, restoration
Copper-Based
MB-01CU Pure Copper 1.6/2.0/3.17mm Seawater desalting, ship-building, oil refinery
MB-02CU CuSn1 05T 1.6/2.0/3.17mm Low coefficient of friction, high friction properties
MB-03CU CuAl8 Sprabronze AB 1.6/2.0/3.17mm Corrosion reduce friction
MB-04CU CuAl10 10T 590 Sprabronze AA 1.6/2.0/3.17mm Coated steel in machinery
Zinc & Aluminum-Based
MB-01AL Pure Al 01T 699 1.6/2.0/3.17mm Corrosion resistance, electric conductivity
MB-11AL Pure Al Grade 1100 1.6/2.0/3.17mm Corrosion resistance, electric conductivity
MB-ZN Pure Zn 02Z 540 Zinc 1.6/2.0/3.17mm Corrosion resistance, electric conductivity
MB-85AL ZnAl85/15 02A Zn/Al 1.6/2.0/3.17mm Corrosion resistance, electric conductivity
MB-ALMg5 ZnAl85/15 Metco AlMg 1.6/2.0/3.17mm Corrosion resistance, electric conductivity
Nickel-Based
MB-NI955 NiAl95/5 758 885 8400 1.6/2.0/3.17mm Bond coat, turbine engine part buildup
MB-NI800 NiAl80/20 06C 821 8450 1.6/2.0/3.17mm Oxidation and heat resistant coating
MB-NI400 Monel400 70T 877 Monel 1.6/2.0/3.17mm Restoration, rools, sea water service
Other Based Alloy
MB-MO Molybdeum Wire 13T 899 Sprabond 1.6/2.0/3.17mm Corrosion & wear, piston rings
MB-BAT Babbitt Wire 04T 542 Sprababbitt 1.6/2.0/3.17mm Bearings, solderable connections
MB-SN Tin Wire 02W 549 Metco 1.6/2.0mm Solderable surface for electrical components
MB-TI Ti Wire 14T 8400 1.6/2.0mm Medical equipment

FAQ

What is thermal spray coating?

Thermal Spray Coatingis a general process in which metallic, ceramic, cermet and some polymeric materials in the form of powder,wire, or rod are fed to a torch orgunby which they are heated to near or somewhat beyond their melting point. The resulting molten or nearly molten droplets of substance are aroused in a gas stream. On impact, the droplets flow into thin lamellar particles adhering to the surface, overlapping and interlocking as they solidify. The total coating thickness is normally produced in multiple passes of thecoating device.

What is thermal spray ?

thermal spray

Thermal sprayis a technique in which utilizes a combustionflameor electrical energy to fuse several types of substances(materials), forming acoatingon the surface of the substrates, and attaching a high-quality, high-performance surface covering for a variety of equipment and devices.亚博全站官网登录网址is versatile, with application achievable on substrates in a broad variety of types and shapes, wherecoatingthickness can be specified from thin films to thick overlays. This technology is heavily used in all types of industrial fields for upgrading and diversification, as well as improving substrates performance, and development of substrates with new functions.

Features of Thermal Spray Gun

Features of thermal spray

  • 几种类型的材料可以用在冲浪ace coating (thermal spraying materials) depends on the purpose of modification and application.
  • Correction is possible for large and complex-shaped equipment, down to small parts. Additionally, a broad variety of coating thicknesses can be chosen, from thin films to thick overlays.
  • during spraying the thermal spray substrate temperature remains 200°C or approx.which allows the material to keep its organizational structure and physical properties.

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