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Plastic Injection Mould Quality Control
HA NOI MOULD TECHNOLOGY COMPANY LIMITED plans quality checks from project requirements through design, machining, assembly, mould trials, correction and handover. Inspection criteria are based on approved drawings, critical dimensions, surface requirements, assembly functions, moulding conditions and acceptance criteria agreed for each project.
Quality planning from DFM to handover
- Input review: confirm 2D/3D data, plastic material, critical dimensions, appearance requirements and the intended use of the part.
- Design review: examine part geometry, gate, cooling, venting, ejection and manufacturing risks before machining.
- Machining checks: inspect specified dimensions and important surfaces of the core, cavity, inserts and mechanism components against approved data.
- Assembly checks: review movement, fit, cooling paths, runner and gate details, venting and the ejection system.
- Mould trial and sample evaluation: assess filling, appearance, dimensions, assembly and function under the trial conditions agreed for the project.
- Correction and confirmation: record findings, complete agreed corrections and repeat the relevant checks before the next approval stage.
Information required for the inspection plan
- 2D drawings with tolerances and critical dimensions
- 3D part data and the specified plastic material
- Appearance, color and surface requirements
- Assembly, function and use-condition requirements
- Agreed mould-trial conditions and measurement scope
- Acceptance criteria for the mould and trial samples
Project-specific records and outputs
The measurement scope and reporting format are agreed before execution. Depending on the approved project scope, outputs may include review findings, correction records, selected measurement results, trial observations and confirmation points for the next stage.
Quality-control images
Frequently asked questions
When are the quality criteria defined?
They are reviewed at the project-input stage and confirmed against the approved drawings, technical requirements and acceptance criteria before the relevant work begins.
What should a buyer provide for dimensional inspection?
Please identify critical dimensions, tolerances, datum references, measurement conditions and the required reporting format in the 2D drawing or project specification.
What happens when a trial sample needs correction?
The finding is reviewed against the agreed criteria, the required correction is recorded and the relevant check or mould trial is repeated before confirmation.
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