SOP (Standard Operating Procedure)

Last updated 2026.02.13
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Definition

SOP (Standard Operating Procedure) is a documented set of step-by-step instructions that enables workers in manufacturing facilities to perform tasks with consistent quality. It clearly describes work sequences, safety protocols, quality standards, and equipment operation methods to ensure efficiency and uniformity.

Application in Manufacturing

Practical Use Cases

  • Assembly Lines: Detailed part assembly sequences, torque values, and inspection items
  • Equipment Operation: Pre-startup checklists, parameter settings, abnormal situation responses
  • Quality Inspection: Measurement methods, acceptance criteria, defect handling processes
  • Safety Management: PPE requirements for hazardous tasks, lockout-tagout (LOTO) procedures

Integration with Manufacturing AI

SOPs serve as a critical knowledge base for AI system development:

  • Digital Work Instructions: AI analyzes SOPs to provide real-time guidance to operators
  • Anomaly Detection Training: Learning process deviation patterns based on standard procedure data
  • Automated Documentation: Vision AI monitors work processes to verify SOP compliance
  • Intelligent Training: AR/VR-based SOP training systems for new operators

Key Points

  • Standardization: Consistent results regardless of operator
  • Traceability: Root cause analysis through procedure review when issues occur
  • Continuous Improvement: Periodic updates reflecting shop floor feedback
  • Regulatory Compliance: Evidence documentation for ISO, GMP, and other industry regulations