Thermal spraying instrument

Coating apparatus – Control means responsive to a randomly occurring sensed... – Sampling of associated base

Reexamination Certificate

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Details

C118S665000, C118S667000, C118S666000, C118S688000, C239S075000, C427S008000, C427S009000, C427S427200

Reexamination Certificate

active

07404860

ABSTRACT:
The invention relates to a device and method for controlling the operation of a thermal spray torch (12). The inventive device and method are characterized in that an on-board camera (54) and pyrometer (70) are used to measure the properties of the jet (16) and the temperature of the deposit (24) on the part (22) and in that the correction to be made to supply parameters of the torch (12) is deduced. Furthermore, the invention is characterized in that the corrected parameters are sent to the cabinet (30) that controls the torch (12).

REFERENCES:
patent: 5912471 (1999-06-01), Schutz
patent: RE36926 (2000-10-01), Austin et al.
patent: 6640878 (2003-11-01), Allor et al.
patent: 6967304 (2005-11-01), Gevelber et al.
patent: 1 065 484 (2001-01-01), None
patent: 2 327 493 (1999-01-01), None
patent: 03018484 (1991-01-01), None
patent: 10153554 (1998-06-01), None
S.B. Chen et al.,Intelligent Methodology for Sensing, Modeling and Control of Pulsed GTAW: Part I—Bead-on-Plate Welding, Welding Research Supplement, Jun. 2000, pp. 151s-163s, XP-000954653.
C. Doumanidis et al.,Distributed-Parameter Control of the Heat Source Trajectory in Thermal Materials Processing, Journal of Manufacturing Science Engineering, Nov. 1996, pp. 571-578, vol. 118, XP-000635785.

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