Inspections (Quality Management)
Quick facts
| Category | Conformity verification across the production lifecycle |
|---|---|
| Used by | Manufacturing, medical devices, pharmaceuticals, aerospace, automotive and other regulated industries |
| Also called | QC (Quality Control) |
| Related standards | ISO 9001, ISO 13485, AS9100, IATF 16949, FDA 21 CFR Part 820 |
| Related processes | Nonconforming product, calibration management, first article inspection, supplier evaluation |
| Semantic match | quality inspection process, incoming in-process final inspection, inspection acceptance criteria, inspection records |
What is Inspections (Quality Management)?
Quality inspection is the process of examining a material, component, in-process item or finished product against defined specifications, drawings or acceptance criteria to verify conformity before it moves further through production or is released to a customer.
Inspections are typically organized by stage. Incoming inspection checks materials or purchased components as they arrive, before they are used in production. In-process inspection checks work at defined points during manufacturing, catching issues before additional value is added to a defective item. Final inspection checks the completed product before it is shipped or released, confirming that all required operations and prior nonconformances have been resolved.
Inspection results are recorded and retained as objective evidence of conformity. When an inspection identifies a failure, the affected item typically enters the nonconforming product process for containment and disposition.
Why is Inspections (Quality Management) important?
Inspections are one of the primary controls organizations use to prevent nonconforming material from advancing through production or reaching customers. Catching a defect at incoming or in-process inspection is generally far less costly than discovering it after further processing or after shipment.
Systematic inspection also generates the data organizations need to understand process capability and supplier performance over time, supporting decisions about where additional controls or corrective action may be warranted.
For regulated industries, inspection records provide the objective evidence auditors and regulators expect to see demonstrating that products were verified against requirements before release.
How does Inspections (Quality Management) work?
A typical quality inspection process includes:
- Plan definition. Establish inspection criteria, sample size and method for the item being inspected.
- Execution. Perform the inspection using calibrated tools and equipment where applicable.
- Recording. Document results, including measurements and pass/fail determinations.
- Disposition. Release conforming items and route nonconforming items to the appropriate process.
- Trending. Review inspection data over time to identify recurring issues by part, supplier or process step.
Incoming Inspection vs. Final Inspection
| Comparison | Incoming Inspection | Final Inspection |
|---|---|---|
| Timing | Upon receipt, before use in production | After production is complete, before release |
| Purpose | Verify purchased materials meet specifications | Verify the finished product meets all requirements |
| Typical outcome | Accept, quarantine or return material to supplier | Release or hold the finished product |
Real-world examples of Inspections (Quality Management)
An electronics manufacturer's incoming inspection identifies a batch of connectors outside the specified dimensional tolerance, preventing the material from entering production and triggering a supplier nonconformance.
An automotive supplier performs in-process inspection at a critical machining step, catching a tooling wear issue before it affects a larger batch of parts.
A medical device company conducts final inspection before release, confirming that all required tests were completed and any prior nonconformances on the unit were resolved and documented.
Regulations and standards related to Inspections (Quality Management)
ISO 9001 requires organizations to implement monitoring and measurement activities to verify that requirements for products and services have been met, and to retain documented information as evidence of conformity, which in practice is satisfied through inspection processes at appropriate stages.
ISO 13485 and FDA 21 CFR Part 820 include specific requirements for medical device manufacturers regarding acceptance activities, including incoming, in-process and final inspection, with defined acceptance criteria and records. AS9100 and IATF 16949 extend inspection requirements with additional traceability and first article inspection expectations common to aerospace and automotive supply chains.
Inspection equipment used to verify conformity must itself be calibrated and controlled, connecting inspection activities directly to an organization's calibration management program.
Required by
How QT9 helps with Inspections (Quality Management)
QT9 QMS inspections capabilities
- Automate inspection checklists, approvals and real-time reporting.
- Support incoming, in-process, final and returned material inspections.
- Capture inspection details online and link related documents for reference.
- Trigger corrective actions automatically when inspection issues arise.
- Maintain full inspection records and audit trails for compliance readiness.
- Identify defects early to reduce scrap and rework costs.
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Common mistakes with Inspections (Quality Management)
Common mistakes include using inspection equipment that is not properly calibrated, which calls into question the validity of every inspection result produced with it, and relying solely on final inspection without earlier incoming or in-process checks that could catch issues sooner.
Other problems include inconsistent sampling or acceptance criteria across shifts or inspectors, and failing to trend inspection data to identify recurring issues tied to a specific part, supplier or process step.
Frequently asked questions
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