Meaning
Mandated milestones in the manufacturing sequence halt the production line until a qualified inspector verifies the output against design specifications. The use of quality control hold points ensures that critical process steps are certified before subsequent, irreversible work is executed. This process governs assembly, welding, and non-destructive testing, ending when the final product is certified for dispatch.
Verification Trigger
Work cannot proceed beyond a designated point without a formal sign-off from the quality representative. When establishing quality control hold points, manufacturers must notify the customer or third-party auditor several days in advance. The inspector conducts a physical inspection or audits testing records.
This prevents the concealment of internal defects under subsequent layers or coatings.
Workflow Management
Systematic stops prevent the accumulation of defects that would require expensive scrap or rework if discovered later. The production supervisor schedules these check-points to align with natural breaks in the fabrication sequence. If an inspection fails, the hold remains active until the defect is rectified and re-inspected.
This mechanism enforces process discipline and maintains the design standards. It provides a structured paper trail for the final quality file.
Compliance Boundary
Minor adjustments that do not alter the physical properties of the assembly are excluded from these stops. These non-critical tasks can proceed without halting the main assembly line.
