Lost Foam Casting

This lost foam simulation
shows the final location
of defects associated with
trapped foam products at
the end of the filling cycle.

Lost foam casting continues to grow in popularity among casting companies because it enables them to produce near-net-shaped components of high complexity with thin walls and other fine-scale features, parts that require fewer gaskets to assemble. And, since there is little need to use binders in the sand, the sand used for their molds can be re-used, saving more money

For the process to be successful there must be a high degree of control. To help casters address some of these difficult problems, FLOW-3D Cast has special models to simulate the lost foam process. With these models, a user can simulate the filling of a lost foam mold as well as the subsequent solidification of the metal. More importantly, FLOW-3D Cast allows the user to predict where folds or other defects associated with trapped foam products are likely to be located.

Lost Foam Simulation by BMW

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