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Asymmetric Incremental Sheet Forming (AISF)
is based on the localized plastic deformation of the blank under the action of a punch tool which follows a continuous and numerically controlled path.
Basic equipment includes a clamping system for the blank, the punch tool and a CNC system (milling machine, robot) to move the tool along the programmed path.
News
Progress update
The University of Liverpool has represented the local geometry of 3D surfaces using the concept of a Local Geometry Grid. Using data mining, it is now possible to build accurate classifiers to predict the springback that will result from AISF with respect to particular shapes. Next steps include the incorporation of the overall geometry into the data mining and the fabrication and analysis of a corrected co-ordinate cloud.
Progress update
The forming experiments for a down-scaled aeronautical part have been successfully finished at IBF. The developed FE-Model has been capable of simulating a down-scaled aeronautical part and the validation showed good results. A general experimental setup for hot ISF, using resistance heating, has been developed and the implementation of a temperature control system is in progress.
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