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, géométrie, resin and acceptance criteria. The right review then clarifies manufacturability, mold concept and how samples will be evaluated.

DFM Analysis

Discuss parting lines, dépouille, gating, undercuts and ejection before formal mold design.

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Mold Flow Analysis

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

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3D Mold Design

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

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Validation des moules

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

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Gestion de projet

Track drawing revisions, open questions, approvals and handover items across the project.

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Mold flow analysis example published by GPTMOLD

Utiliser l'analyse pour guider la prochaine décision.

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

Matériau, géométrie, 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.

Matériau

Resin grade or a defined material requirement.

Production context

Expected volume, machine constraints and assembly needs.

Acceptance

Dimensions critiques, appearance and required records.

Common engineering questions

Does every part need mold flow simulation?

That depends on geometry, resin, 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.