Quality Inspection and Lot Traceability Loop
Connect incoming, in-process and final inspection to lots, production orders and disposition for forward and backward traceability.
Learning objective
Build a process-level control framework from inspection task and result capture to nonconformance disposition and lot tracing.
Roles
Quality manager, IQC/IPQC/OQC inspectors, warehouse supervisor, production supervisor, process engineer and implementation consultant.
Prerequisites
- Coding rules for items, suppliers, customers, warehouses, lots/serials and production orders are approved.
- Inspection characteristics, sampling, specifications, defect codes and disposition authority are reviewed.
- Where automatic capture is required, interfaces to instruments, MES, AIoT or barcode systems are confirmed in the blueprint.
Completion checks
- A sampled supplier lot shows inspection, disposition, consuming orders and resulting finished lots.
- A customer complaint lot traces back to materials, operations, equipment, people and affected shipments.
- Quality ledger, inventory status, production records and interface quantities/lots reconcile.
Common errors
- Keeping only pass/fail without measured values, sample size or original evidence.
- Breaking lot identity at receipt, issue, reporting or receipt-to-stock, making the genealogy incomplete.
- Adjusting inventory for nonconformance without recording cause, owner, disposition and closure.
Thailand project note
For Thailand plants, align Chinese, English and Thai names for defect codes and inspection characteristics. Customer-specific, IATF/ISO and statutory retention requirements must be confirmed by the customer's quality owner.
Related modules
Steps
- 01
Define incoming, in-process, completion and outgoing inspection points by item class and business scenario, including mandatory controls.
- 02
Create inspection plans with characteristics, units, limits, sampling rules, judgement logic and effective version.
- 03
Trigger inspection from receipt, operation reporting or finished-goods receipt, linking organisation, supplier, order, operation and lot.
- 04
Capture measured values, defect codes, images/attachments and instrument identity manually or through an interface, retaining operator and raw evidence.
- 05
Disposition as accept, concession, rework, repair, return or scrap; do not move an unreleased lot into the next controlled stage.
- 06
Link raw-material lot, issue, production order, operation, finished lot and shipment; rehearse one forward trace and one customer-lot backward trace.
Implementation notes
- Prove one real product genealogy before expanding to every item.
- Automatic instrument capture should retain timestamp, device ID and approval for exception entry.
- This is process guidance; menus and capabilities depend on licence, patch and integration scope.
References
- 用友 U9 cloud 以‘智’破局，重塑汽车饰件全球竞争力 ↗用友 U9 cloud 官方网站 · Published: 官方页面未标注 · Accessed: 2026-08-12 · Applicable version: U9 cloud 汽车零部件行业方案；实际能力以项目许可和版本为准
- U9 cloud 打造离散制造行业智能工厂典范 ↗用友 U9 cloud 官方网站 · Published: 官方页面未标注 · Accessed: 2026-08-12 · Applicable version: U9 cloud + 智能工厂 / MES / AIoT 集成场景