Type of Part / Manufacturing ProcessTypical Part FunctionTypical Defect(s)Typical Rework Process(es)
Molded Plastic/RubberMultiple & Widely VariousExcess FlashTrim with knife, razor, nippers, sandpaper, grinder
Short ShotSeparation by cavity, or none 100% scrap
Dimensional (caliper, scale, or go/no gauge)Usually none; 100% scrap
Presence/Absence of holes (visual)Usually none; 100% scrap
Hole size (gauges)Possible drilling, reaming, or scrap
AppearanceUsually none; 100% scrap
Leak TestingUsually none; 100% scrap
ContaminationUsually none; 100% scrap
SplayUsually none; 100% scrap
WarpingUsually none; 100% scrap
Rips/TearsUsually none; 100% scrap
Stampings, Roll Formed, or Wire Forms
Multiple & Widely VariousBurrs / sharp edges (handling safety)File, Nip, Sand, or Grind
Dimensional (caliper or go/no gauge)Usually none; 100% scrap
Dimensional (caliper, check fixture, or go/no gauge)Usually none; 100% scrap
Hole size (gauges)Possible drilling, or scrap
Excess oil or other Surface ContaminationWipe or Clean with/without solvents
Mis-HitUsually none; 100% scrap
Rust / CorrosionSand or Grind, with/without solvent, add rust inhibitor
Cracks or SplitsUsually none; 100% scrap
Castings / ForgingsSuspension, Brake or Drivetrain partsExcess FlashFile or grind excess
Burrs / sharp edges (handling safety)File or grind excess
Short ShotUsually none; 100% scrap
Dimensional (caliper or go/no gauge)Usually none; 100% scrap
Presence/Absence of holes (visual)Usually none; 100% scrap
PorosityUsually none; 100% scrap
Finished Body PanelsClass A Surfaces (Hoods, Trunk Lids, Bumpers)Visual for any defectsUsually none; 100% scrap
Plated, Coated, PaintedAppearance Sensitive ApplicationsVisual for "bubbles", scratches, appearance defects, missing paint or E-coatPossible "Touch UP" paint or coating, sand/grind & return to plater/coater, clean, polish, or none 100% scrap
Glass PartsWindowsVisual for "bubbles", scratches, appearance defectsPolish out small defects, or none; 100% scrap
Cracks or ChipsUsually none; 100% scrap
Assemblies / Sub-AssembliesMultiple & Widely VariousPresence/Absence of fasteners, holes (visual)Manual "bench top" re-assembly
Dimensional (caliper, check fixture, or go/no gauge)Usually none; 100% scrap
Missing or malfunctioning component partsManual "bench top" re-assembly
Weld-Splatter, Missing Welds, Bad WeldsFile, Sand, Grind, or scrap
Bond/Adhesive Failure
Re-Glue/re-Bond, scrap
"Fit" of Mating ComponentsReplace defective component/s & re-assemble
Textiles / Fabric / CarpetMultiple & Widely VariousPresence/Absence of fasteners, holes (visual)Manual "bench top" re-assembly
Presence of trimmed residue on appearance surfaceRemove residue manually
DelaminationRe-Laminate, Glue, Sew, or scrap
Wire HarnessesAutomotivePresence/Absence of all wires specified (visual)Manual "bench top" re-assembly, or scrap
Dimensional - individual wire lengths to specManual "bench top" re-assembly, or scrap
Quality/Functionality of components (usually connectors)Manual "bench top" re-assembly, or scrap
Correct orientation/locationManual "bench top" re-assembly, or scrap
Nuts / Bolts / Weld StudsMultiple & Widely VariousDimensional - usually thread functionality related (Thread Gauge, Mating Component)Manual replacement of rejected component, possible tap or thread, or 100% scrap
Incorrect TorqueRe-Torque to correct specification
ElectronicsTimers, ControlsFunction Test / Inspection via electronic test equipmentRe-Flash or scrap
General / All Part CategoriesMultiple & Widely VariousMixed PartsSort & re-package
Mis-LabelSort, re-label, re-package
Damage in Transit (spilled or damaged containers)Sort, re-label, re-package
Dimensional - OversizedCut-to-size with knives, scissors, razor
Dimensional - UndersizeUsually none; 100% scrap
Off-Location Clips, clamps, fastenersManually relocate or scrap
ContaminationUsually none; 100% scrap
Incorrect packagingRe-Pack
Questionable/Wrong Counts per PackageRe-Pack with correct counts/quantities