Circular Knitting Machine FAT and SAT: Split Factory Proof from Mill Release

Reconcile the quotation, machine plate, model suffix, diameter, gauge, feeds, knitting system, controls, yarn devices, take-down, detectors and paid options. Photograph identifiers and list buyer-supplied or excluded items. Record software and pattern-file revisions where they influence the trial. A portfolio page can frame the family, but only the offered build belongs in the acceptance record.

Load identified buyer yarn and document conditioning, package map, structure and intended finish. Mark the roll at warm-up, stable observation, package event, planned stop and restart. Retain both fabric faces and the full width or circumference. The FAT gate passes only when the evidence can be traced to the physical machine that will ship.

Create a packing register for removed assemblies, change parts, tools, documents, backups, samples and critical spares. Photograph reference positions before dismantling and use qualified procedures for lifting, preservation and transport. The receiving inspection records package condition, shortages, impact evidence and corrosion or contamination before assembly begins.

Installation evidence should identify foundation and utility readiness against the supplied requirements, then record reassembly, permitted checks and unresolved deviations. A damaged connector, missing feeder or different local service condition is not a fabric-setting problem. Hold the corresponding SAT step until the physical transfer is reconciled and the responsible supplier or installer accepts the correction route.

Start SAT only after the machine's required power, compressed air, environmental conditions and other declared services are verified by qualified personnel. Use the controlled factory setup as a comparison point, then document every site-specific change. Run the same buyer-yarn structure across warm-up, stable production, routine package handling, stop and restart while mill operators perform their assigned work.

Inspect the marked fabric using the same lighting, orientation and defect rules used at FAT. Send an identified section through the named relaxation, dyeing or other commercial finish. Site release requires accepted finished fabric, not only stable rotation or an unmeasured greige roll. If the result differs, isolate transport, utility, setup, yarn, operator and finishing layers one at a time.

Assemble the as-delivered configuration, manuals, electrical and parts records, backups, accepted pattern files, settings, samples, training attendance, maintenance responsibilities, warranty contacts and spare-part list. Separate completed punch items from deferred work with owners and due dates. A verbal promise or loose message should not silently expand the accepted machine scope.

Require the receiving team to retrieve the correct file, load the documented route and explain the stop and escalation boundary. Record which observations are routine operator tasks and which adjustments or protected areas require qualified service. Production ownership transfers only when the mill can reproduce the accepted route and locate the evidence needed after a future style change or fault.