The polycurve of the worn region boundary (blue) and the multi-axis milling and additive repair paths (red), created using Polygonica's solid offset, intersection curve, and curve offset functions. Source: MachineWorks Ltd.
MachineWorks Ltd. has introduced a new reference example for generating additive repair paths. Polygonica is a software library for working with polygon meshes used by companies in a wide range of industrial markets to solve complex 2D and 3D geometrical problems.
Accurate registration and alignment of scan data is critical for worn-region modeling and repair in a variety of industries, particularly turbine blades, blisks and airfoils. This can also include identification and machining of rest-material for CAM tool path generation.
The workflow for this demonstration involves:
- automatic repair of the mesh created by the scanner
- aligning the scan of the worn part with the original design part
- computing smooth boundaries of the worn region on the design part
- computing a milling toolpath to remove material in the worn region creating a smooth clean surface
- computing an additive toolpath to add material to fill the volume of missing material.
