Home Capabilities Quality Assurance for Injection Molds and Molded Parts
QUALITY GATES FROM REQUIREMENT TO SHIPMENT
Quality Assurance for Injection Molds and Molded Parts
Quality assurance begins by defining what acceptance means before tooling or production starts. CKMOLD connects the released drawing, material, appearance, assembly, function and customer-report requirements to specific checks during incoming verification, machining, mold trial, production and shipment release.
The system does not imply that every program receives every document. Dimensional reports, material certificates, cavity traceability, FAI, PPAP or customer-specific forms are planned according to project risk and quoted scope.
- Quality planning before steel and production release
- Cavity-identified samples and records where required
- Nonconformance, correction and revision kept visible
Plan
Drawing, material, appearance and report basis
Verify
Incoming, machining, fitting and trial checks
Trace
Revision, lot and cavity identity by scope
Release
Approved evidence before production or shipment
Reviewed by CKMOLD project engineering • Last updated August 2026
QUALITY GATE MAP
Control Risk Where the Decision Is Made
01
Requirement Gate
Release drawing/CAD, resin, appearance, function, quantities, destination and required evidence.
02
Tooling Gate
Verify steel/components, key machining and mold assembly interfaces before trial.
03
Sample Gate
Evaluate T0/T1 parts by agreed appearance, dimensions, assembly, function and cavity identity.
04
Production Gate
Approve first part, process basis, in-process checks, secondary work and packaging.
05
Shipment Gate
Close nonconformance, complete required records and release labeled, protected parts or tooling.
BEFORE THE FIRST TRIAL
Inputs and Tooling Checks That Prevent Avoidable Rework
Quality Planning
Identify critical-to-function dimensions, cosmetic zones, assembly/functional tests, sample conditioning and customer report formats before work begins.
Mold Steel and Components
Confirm quoted material and approved purchased components against the mold design and available certificates or supplier records by scope.
Incoming Inserts and Resin
Define supplier, grade, condition, lot/certificate, drying and dimensional expectations for inserts, resin and colorant.
Machining Inspection
Check the dimensions and datums that control fit, shutoff, part geometry, action motion or purchased-component interfaces at appropriate stages.
Mold Fitting and Assembly
Review parting, shutoffs, guidance, slides/lifters, ejection, cooling circuits, hot-runner/electrics and safe operation before trial.
Revision Status
Keep product CAD, mold design, BOM and inspection basis on the released revision; do not mix superseded data into approval.
Conceptual inspection illustration; actual reports use project-specific drawings, instruments and samples.
DIMENSIONAL REPORTING
A Measurement Is Useful Only When Its Basis Is Clear
The report identifies the drawing revision, characteristic, nominal/tolerance, sample or cavity, conditioning time when relevant, instrument/method and result. Complex datums or flexible parts may require a fixture or agreed restraint method before numbers are comparable.
CKMOLD selects available contact, optical, coordinate or functional measurement routes according to the characteristic. Specialized tests outside verified in-house capability are managed through an agreed qualified source and stated as partner support.
- Critical dimensions defined before trial
- Cavity-separated results where variation matters
- Measurement method aligned with customer drawing or agreement
- Report scope priced before samples are produced
DOCUMENT LEVEL
Standard Project Records and Customer-Specific Packages
Core Project Evidence
Defined in the quotation around the risks needed for tool or part approval.
- Trial notes and process reference
- Labeled samples and selected dimensions
- Material/steel records included by scope
- Correction and release status
FAI / PPAP / Customer Formats
Additional sample counts, studies, forms and supporting records can be required by the customer or industry.
- Requirements submitted at RFQ
- Scope and responsibility agreed
- Not claimed as default on every project
- External laboratory or customer validation identified
PRODUCTION QUALITY
Keep the Approved Basis Connected to Every Batch
First-Part Approval
Confirm released revision, resin/color, process setup, appearance and agreed dimensions before the production lot continues.
In-Process Control
Set inspection content and frequency by part risk, process sensitivity, cavities, secondary operations and customer requirement.
Cavity Traceability
Number and sample cavities where practical so variation and recurring defects are not hidden in aggregate data.
Secondary Operations
Inspect after printing, painting, welding, staking, assembly or partner work because the final operation can change appearance or function.
Packaging Release
Verify quantity, labels, separation, surface protection and shipping method against the approved packaging basis.
Lot and Record Link
Retain the revision, material and production identifiers needed to investigate a future question without inventing a universal retention period.
NONCONFORMANCE AND ECN
Contain, Understand, Correct and Re-Release
01
Contain
Identify affected samples, cavity, lot, inventory or tool condition and prevent unintended shipment or use.
02
Analyze
Separate part design, material, process, tool, measurement, assembly and handling evidence before assigning cause.
03
Correct
Approve tool/process/material/inspection action and control any temporary deviation or rework.
04
Verify and Release
Reinspect or re-trial affected characteristics, update revision/ECN records and release only the approved basis.
CERTIFICATION BOUNDARY
Management-System Certificates Are Shown With Exact Scope
What the Certificates Support
The About page lists the current certificate holder, standard, number, issuer, expiry and scope for ISO 9001, ISO 14001, ISO 13485 and IATF 16949.
- ISO 13485 scope is limited to plastic housings for infrared thermometers
- IATF 16949 scope excludes product design under clause 8.3
- ISO 14001 certificate shown expires 24 November 2026 and must be updated after renewal
What They Do Not Prove
A certificate does not automatically approve a finished product, validate every resin, create cleanroom capability, satisfy customer PPAP or transfer a regulatory claim to a different scope.
- Project requirements remain customer-specific
- Product testing/approval authority stays defined
- No unsupported FDA, cleanroom or full-device claim
Quality Assurance Questions
No. The report scope depends on drawing complexity, sample stage, critical dimensions and customer requirements. Define the characteristics and format during RFQ so measurement time and sample conditioning are planned.
Material or mold-steel certificates can be included when available and specified in scope. The document must be tied to the approved supplier/grade and project record rather than treated as generic proof for any material.
Cavities are numbered where practical, and trial samples or production checks can be recorded by cavity. Recurring variation is investigated through gate, cooling, venting, steel, process and measurement evidence.
They can be supported when project requirements, customer templates, sample quantities, studies and responsibilities are provided in advance. They are not automatically included on every mold or production order.
The About page displays the existing certificate images and summarizes holder, standard, certificate number, issuer, expiry and scope, including ISO 13485 and IATF exclusions.
Put the Approval Requirements Into the RFQ
Attach the released drawing and identify critical dimensions, appearance zones, material records, cavity/sample plan, assembly/functional tests, FAI/PPAP needs and shipment documents.