Brass threaded inserts being pressed into a moulded plastic component on a precision jig

Insert Moulding and Over Moulding

Controlled integration of inserts and multiple moulding stages

Insert moulding and over moulding combine components, inserts or material stages into an integrated part. Reliable production depends on tooling, positioning, material compatibility and controlled processing.

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Why process control matters

Combining inserts or multiple materials introduces variables that a standard moulding process does not encounter. Interface quality, insert location, material compatibility and flash control all require deliberate planning and validated trials.

Application and interface review

Assess the insert, substrate, resin, interface, loading conditions and required function.

Tooling and positioning

Design the tooling and handling approach to locate inserts repeatably and protect critical features.

Material and process trials

Evaluate processing conditions and interface performance through controlled trials. Do not assume bonding performance without validation.

Measurement and validation

Define how insert location, flash, dimensions and functional requirements will be checked.

Engineers reviewing micro moulding process at Plast Plastics Singapore

What to share with us

The more context you can provide, the better we can assess the manufacturing route and respond with relevant information.

  • Part and insert drawings
  • Insert and resin materials
  • Interface and functional requirements
  • Critical dimensions
  • Expected annual volume
  • Required testing or validation

Discuss your component or manufacturing challenge

Share a drawing, specification or application requirement and our team will review the appropriate next step with you.