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Aerospace Thermal Coatings Ltd offers a full range of thermal sprayed coatings to both OEM and repair/remanufacturing customers.

 

The majority of our work involves the application of thermal sprayed processes.  This involves the application of either metal or ceramic coatings by the use of the most suitable process.

 

The processes available are:

 

• HVOF.  Primarily used for the application of very dense (< 1% porosity) tungsten carbide and chrome carbide coatings.  It can also be used to apply very dense metal coatings for special applications.  These dense coatings are achieved by the combination of a relatively low melt temperature and the high particle velocity (up to 1000 metres per second), which is a result of the kerosene/oxygen combustion within the torch.
• Plasma.  Can be used for the application of both metal and ceramic coatings.  It has the advantage of a high ‘melt’ temperature (up to 10,000ºC) when applying ceramic coatings.
• Twin Wire Arc.  Mainly used for the application of metal coatings, ie carbon steel, stainless steels, bronzes, copper, zinc, etc.
• Combustion powder.  Used for the application of abradable seal coatings (seal control) and for spray/fuse applications.

 

 

To support these processes we operate an extensive machine shop:

 

• Centre lathes – up to 2 metres between centres
• CNC vertical machining centre – 900mm x 500mm x 500mm
• Cylindrical Grinders – 250mm dia x 800mm long
• Surface grinder – 700mm x 300mm
• Vertical Borer – 1000mm dia table
• Co-ordinate Measuring Machine – CNC controlled, 700mm x 500mm x 500mm envelope
• Welding – T.I.G. and MMA welding processes for both ferrous and non ferrous alloys