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Capability

DFM review before injection mold tooling.

Review plastic part risk before steel is cut: wall thickness, draft, ribs, bosses, gate location, ejection, warpage, tolerance and surface finish.

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DFM intake

Send the minimum context needed for a useful DFM reply.

This form is for buyers who need to know whether the part is ready for mold quotation or still has geometry, material or sample risk.

CAD is useful, but marked screenshots or sample photos can start the first screenBest-fit requests name the visible surfaces, tolerance risk or current sample defectThe first reply should identify DFM questions and the practical next route

DFM checks

Wall thickness and transition riskDraft angle and texture releaseRib, boss and screw post designUndercuts, sliders and liftersGate location, runner and weld line riskEjection marks and cosmetic zonesSink, warpage and tolerance feasibilitySurface finish and material assumptions

Output

The first review should create risk notes, design-change suggestions, tooling assumptions and quote questions. The goal is not to redesign every feature for free; it is to identify whether the part is ready for tooling discussion.

When to request DFM first

Request DFM before a mold quote when the part has visible surfaces, tight snap fits, thin walls, deep ribs, screw bosses, undercuts, insert zones or a material that may shrink or warp. A short DFM screen can show whether price comparison is meaningful or whether the design needs a targeted change before suppliers estimate tooling.

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