The AH-4IDR Rotating Hybrid HVAF Spray Torch for spraying IDs as Small as 101 mm (4”)
Key features:
Spray rate – 5 kg/hour (11 lbs./hour)
Spray powders: cermet compositions -10+2 to -20+10 microns.
Axial powder injection through the combustion chamber provides enough time to heat the powder in size-restricted areas of small ID parts AH-IDR can spray internal diameters as small as 101mm (4”) to a length of up to 609mm (2 feet) deep. Low power (just 30 kW) prevents the IDR gun and a workpiece from overheating, and the efficient design of the gun allows for the effective spraying of tungsten carbide coatings onto internal surfaces.
Fuel gas choices:
• propane
• propylene
• natural gas
• propane-butane
• MAPP gas
Generating a jet of spray particles with a velocity of more than 800 m/sec even with a short nozzle, the length of which is restricted by the ID size. Such particles form dense and tough coatings.
Our internal diameter tungsten carbide coatings (WC-12Co, WC-10Co-4Cr, etc.) are non-permeable to gas and have hardness 1,050-1,250 HV300.
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