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Article | REF: BM7944 V1

Polymer Molds and Tools for the Plastic Industry Produced by Addictive Manufacturing

Authors: Thomas JOFFRE, Jean-Christophe BORNÉAT

Publication date: September 10, 2023 | Lire en français

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    2. Application examples

    This section describes three examples of polymer additive manufacturing molds: an injection mold, a thermoforming mold and an extrusion former. These three processes have similarities and differences: for each process, the design rules and choices made will be specified to help make the right choices when designing a tool. For thermoforming and extrusion, an economic assessment of the technology has been carried out in order to make a comparison with machined aluminum tooling.

    2.1 Injection

    In injection molding, the pressures involved in plastic processing are very high (up to over 200 MPa). As polymer tooling is less resistant, it is important to use the lowest possible switching pressure. In addition, it is important to ensure that the pressure in the tooling...

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