Make tooling decisions with better evidence.

Review part risks, simulation results, mold design and trial findings before committing to the next step.

3D mold design example published by GPTMOLD — Published GPTMOLD mold design example

Engineering work should answer specific project questions.

Start with the part function, Geometrie, resin and acceptance criteria. The right review then clarifies manufacturability, mold concept and how samples will be evaluated.

DFM-Analyse

Discuss parting lines, Gefälle, Anschnitt, undercuts and ejection before formal mold design.

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Formflussanalyse

Use simulation where flow, filling or cooling behavior could change a tooling decision.

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3D Formdesign

Turn agreed part requirements into a mold concept and reviewable design information.

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Formvalidierung

Compare trial parts with agreed dimensional, appearance and functional requirements.

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Projektmanagement

Track drawing revisions, offene Fragen, approvals and handover items across the project.

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Mold flow analysis example published by GPTMOLD

Use analysis to guide the next decision.

Simulation and design review are useful when their results are discussed against the actual part requirements. A colorful plot alone does not determine acceptance.

Inputs matter

Material, Geometrie, gate assumptions and processing requirements affect the interpretation.

Decisions matter

Record what the result changes in the mold design or trial plan.

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What to include in an engineering brief

Clear inputs help the review focus on the actual purchase decision. Mark any requirement that is still open for discussion.

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Part data

3D CAD, 2D drawing and current revision.

Material

Resin grade or a defined material requirement.

Production context

Erwartetes Volumen, machine constraints and assembly needs.

Acceptance

Kritische Maße, appearance and required records.

Common engineering questions

Does every part need mold flow simulation?

That depends on geometry, Harz, quality risks and the decisions the team needs to make. Agree the scope before treating simulation as a standard deliverable.

When should DFM be reviewed?

It is most useful before the mold concept is finalized, while part and tooling options can still be discussed with the customer.

What marks a design ready for the next stage?

Confirm the drawing revision, agreed mold concept, open issues, acceptance criteria and customer approvals relevant to that stage.