Isis Innovation Limited

Paul Jones

Stephen Richard Duncan

Ronald William Daniel

Patrick Grant

Timothy Rayment

Material is incrementally deposited using material directed toward a deposition zone. The scan path of the directed material is controlled according to a path plan derived to reduce derivation from an ideal uniform temperature profile for the deposition during the deposition process. A path plan having angled scan passes that intersect (or overcross one another), for example in a mirrorbox path plan, is preferred.

Control of deposition and other processes

Apparatus for determining the temperature profile of the surface being sprayed or otherwise treated, the apparatus comprising four electric arc spray guns () spraying molten steel. The guns () are connected to a six-axis industrial robot () which is adapted to move them over the surface of the ceramic substrate (). The metal deposited by the spray builds up a metal shell referred to as the sprayform. The temperature profile of the sprayform surface () is recorded periodically by a thermal imaging camera () positioned directly above the surface (). The apparatus includes a pruning filter for receiving each pixel of an image captured by the camera () and for applying at least a lower temperature limit to it so as to reject or disregard any pixels determined to have a temperature less than the lower temperature limit.

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Jericho, United Kingdom

Paul Jones