TTL are thrilled to showcase our blisk repair capabilities along with our partners Liburdi and GOM (a Zeiss company).

| 6th April 2022

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Each company is a key player in providing technology and expertise to the aerospace MRO sector and our video takes you through the blisk repair process from beginning to end. The demonstration shows a blisk segment which has simulated FOD and is representative of an engine run component in need of repair.

The first stage of the process involves GOM scanning of the component to assess the damage and establish the repair processes required for each individual aerofoil. The TTL software is then used to perform the pre-weld cutback operations required; the repair types demonstrated are Triangular patch, Leading Edge, Trailing Edge and Tip removal.

The second stage involves weld deposition for the different repairs. Using their proprietary software and 3D adaptive vision, the Liburdi system creates point cloud and path mapping, visualizing the path prior to deposition. The weld is deposited in a 5-axis cartesian motion using the LAWS machine.

The third stage of the process involves the welded blisk going through more intensive GOM scanning to check the position and quality of the weld prior to machining.

The fourth stage moves the part to a multi-axis machining centre where probing of the individual aerofoils and machining to blend the weld onto parent material is performed. This automated process uses the TTL Adaptive Machining Software to capture measured data and update the CAD model to create a unique machining path for each repair. Automatic toolpath generation occurs for each aerofoil, followed by machining simulation and G-code verification to ensure collision and gouge free machining paths, all using a hands-free approach.