Short answer: Incoming inspection for wāhanga kua tāngia should verify what can fail in the real shipment: part count, material documents, traceability, dimensions, burr direction, flatness, surface condition, plating, and packaging damage. Use an AQL plan that matches risk, not habit. If a lot misses a critical requirement, stop it early, record evidence, and send the kaiwhakarato a clear nonconformance note.
Many buyers treat incoming inspection as a final checkbox. That is a mistake. For wāhanga kua tāngia, the shipment can look orderly while still hiding a bad burr condition, a bent flange, a plating defect, or a mix of lots. A good inspection routine protects the line without turning receiving into a lab. It tells the inspector what to sample, what to measure, what to photograph, and when to escalate.
If you are building an inspection package for a new part, start with the process documents that define what “good” means. Useful references include the first article inspection checklist, the critical dimensions inspection plan, and the tā konganuku tolerances guide. For defect language, keep the defects troubleshooting guide and burr control guide close by.
Incoming inspection checklist for wāhanga kua tāngia
| Inspection item | What to check | Evidence to keep |
|---|---|---|
| Documents and traceability | PO, part number, revision, lot code, material cert, and packing list. | Photos of labels, certificate file, receiving record, and lot number. |
| Dimensions | Hole size, position, slot width, formed height, angle, and fit features. | Measurement sheet, gauge ID, sample size, and inspected locations. |
| Burr and edges | Burr side, burr height, sharp edge risk, and safe handling surfaces. | Edge photos, microscope notes if needed, and defect location. |
| Surface and plating | Scratches, dents, corrosion, oil residue, coverage gaps, color, and adhesion. | Wāhanga photos, carton photos, finish spec, and affected quantity. |
| Packaging damage | Crushed cartons, moisture, loose stacking, mixed lots, and missing separators. | Carton condition, pallet photos, label photos, and count discrepancy. |
Sampling should be based on risk and part history, not on convenience. For stable parts with low severity, many teams use AQL with a defined sample size by lot size. For new parts, critical features, or recurring issues, sample more aggressively until the process proves itself. If the part has a safety, fit, or regulatory function, do not let a relaxed AQL hide a serious miss. AQL is a screening method, not a promise that the lot is acceptable.
Measure the features that control fit
For dimensional checks, measure the features that actually control fit and function. That usually means hole size, hole position, slot width, formed height, flange angle, offset, parallelism, and flatness. Use the same gauges, the same fixture logic, and the same revision-controlled print notes every time.
If a feature is called out as critical, inspect it with tighter sample depth and keep the results tied to the lot number. When the part belongs in a PPAP or FAI flow, tie this receiving record back to the PPAP and FAI package.
Do not overlook burr direction and surface condition
Burr checks deserve their own line item. A burr that points the wrong way can interfere with assembly, cut wire insulation, or trap coating. Inspect the burr side, not just the burr size. If the print specifies a safe edge or a burr-free direction, verify it under the same lighting and handling used by the line. A part can pass dimensions and still fail in use because the burr is on the wrong edge.
Surface and plating checks should focus on what the customer will see and what the assembly will touch. Look for coverage gaps, blistering, discoloration, stain, or uneven thickness where visible. If the shipment is plated, confirm the finish against the purchase order or print notes and watch for rub damage caused by poor packing. Packaging faults often create surface faults, so also review the packaging and shipping guide.
What to send the kaiwhakarato with a nonconformance
- PO number, part number, revision, and kaiwhakarato lot code.
- Quantity received, quantity inspected, and quantity rejected.
- Defect description with the exact feature and location.
- Photos of the part, label, carton, and any damage.
- Measurement results and the gauge or fixture used.
- Spec or drawing reference that was not met.
- Requested disposition and containment deadline.
When something fails, write the response as if the kaiwhakarato will act on it tomorrow. State whether the issue is dimensional, visual, packaging-related, or document-related. Ask for containment, disposition, and root cause, and tell the kaiwhakarato whether you need replacement, sort, rework, or return authorization.
If the problem blocks production or creates a fit risk, whakapā the kaiwhakarato through the whakapā page and ask for a same-day response. You can also use the RFQ form to start a procurement or engineering review for a recurring stamped part issue. If you need a stamped part source that can align manufacturing, documentation, and inspection flow from the start, review Custom tā konganuku.
FAQ: incoming inspection for wāhanga kua tāngia
What sample size should we use for incoming inspection?
Use an AQL plan tied to risk, lot size, and part history. Start tighter for new or critical wāhanga kua tāngia, then relax only after stable performance is proven.
What should we do if burr direction is wrong but dimensions pass?
Treat it as a defect if the print or function depends on burr direction. Document the edge location, photos, and kaiwhakarato lot code.
Should packaging damage be part of incoming inspection?
Yes. Crushed cartons, moisture, loose stacking, or missing separators can create surface damage and mixed-lot risk.
What should a kaiwhakarato nonconformance note include?
Include part number, revision, lot code, inspected quantity, rejected quantity, defect location, photos, measurements, and requested disposition.