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Poka-Yoke Solution​

Vision-Based Poka-Yoke Solution

“Zero Defects. Zero Escapes. Intelligent Error-Proofing with SmartRun.”

In high-volume automotive manufacturing, even a single wrong assembly can lead to costly recalls, warranty claims, and reputation damage. A leading automotive clutch manufacturer faced recurring risks of wrong/missing component assembly at critical stations.

SmartRun implemented a Vision-Based Poka-Yoke Solution integrated with PLC interlocks and centralized validation logging — transforming their assembly lines into digitally controlled, error-proof systems.

The Business Challenges:

The client was experiencing quality and traceability challenges at critical clutch assembly stations:

  • Repeated risk of wrong or missing component assembly
  • Heavy dependency on manual inspection, leading to human errors
  • Previous vendors failed to deliver a stable Vision + PLC interlock system
  • No automatic machine blocking on wrong assembly — risk of quality escape
  • High variant complexity requiring dynamic validation logic
  • No centralized digital logging for audit and traceability
  • Expectation: 100% validation with zero cycle time impact

Solution Provided​:

SmartRun deployed an intelligent, real-time validation system tightly integrated with the assembly line PLC.

  • Implemented Vision-Based Poka-Yoke POC atcritical Disc line machine​
  • Integrated industrial camera with real-time imageprocessing and validation logic​
  • Enabled PLC-level machine interlock — cycle startonly on Vision OK​
  • Configured variant-wise camera recipe autosynchronization with HMI​
  • Logged station-wise OK/NOK results intocentralized SmartRun database​
  • Post successful POC validation, scaled deploymentacross: Cover Line 1, Disc Line 2, Disc Line 3

Value Delivered​:

The implementation delivered measurable and strategic impact:

  • Achieved zero assembly escape at implementedstations​
  • Reduced operator-dependent validation risksignificantly​
  • Prevented wrong assembly before defectcreation — true error-proofing
  • Enabled audit-ready digital validation logs​
  • Strengthened process control at bottleneckstations​
  • Successfully delivered a solution where priorvendors were unable to meet expectations

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