Meaning
Quality containment operations separate conforming units from non-conforming inventory within manufacturing or staging areas. Factory sorting isolates defective parts from production batches before final packaging, container loading or subsequent assembly processes. Production supervisors initiate these procedures when lot sampling fails defined acceptable quality levels or when unexpected visual defects appear during assembly line handoffs.
The process requires designated inspection stations, clear defect classification criteria, physical containment boundaries and trained inspection labour. Factory sorting ends once all units in a quarantined production run undergo verification and separate into accepted, reworked or scrapped lots.
Operational Protocol
Standardized testing procedures and visual limit samples guide sorting teams through continuous inspection cycles. Sorting technicians examine every piece against reference samples showing allowable cosmetic blemishes, dimension boundaries and functional thresholds. Each verified unit receives a physical mark, barcode scan or colour tag to prevent uninspected items from mixing back into the cleared inventory stream.
Supervisors maintain physical segregation between quarantine holding zones, approved packaging lines and designated scrap disposal areas. Daily inspection logs record total inspected pieces, specific defect counts, sorting speed per worker and recurring failure categories.
Cost Allocation
Commercial purchase agreements determine which party pays for sorting labour, facility staging space and third-party inspection overhead. When defects originate from supplier workmanship or sub-tier component flaws, the buyer invoices factory sorting hours directly back to the vendor. Sorting operations performed by third-party quality agencies require detailed daily timesheets signed by factory management to prevent post-inspection billing disputes.
Yield Impact
Total usable output declines in direct proportion to identified scrap and unrepairable units. Final lot release quantities decrease, potentially causing order shortages against buyer purchase orders.