Design of FIM mold (double-helix)

Freeform Injection Molding (FIM) combines the benefits of additive manufacturing and injection molding, offering design freedom with complex geometries and numerous material options.

A basic FIM mold tool consists of the printed mold material surrounding the part, that should match the “mother” tool geometry and dimensions on your injection molding machine. The gating and venting system is designed depending on the selected geometry and the resulting injection requirements for melt flow. Combine the mold material geometry, with the gating and venting system, subtract the part geometry and you are ready to print your FIM molds.

On this tutorial you will see how you should design, inspect, and if required adjust your FIM mold design to achieve the best result. You will learn how to do simple and quick adjustments to your design that will make printing easier.

The greatest advantage of FIM is that tool inserts with different features can be printed in one batch, making it easier to iteratively test both part geometry and mold features. Testing different gate and vent size or location is now possible at reduced tooling lead times and cost.

For more tutorials on FIM technology visit our YouTube channel.

For more information about Freeform Injection Molding visit:



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(double-helix)