Control Chart Generator

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Process Control Chart

10.54910.42910.1909.9519.83112345678910Sample NumberValue (mm)LegendCenter LineControl Limits (±3σ)Warning Limits (±2σ)In Control PointsOut of Control PointsTrending Points

Control Limits

UCL: 10.5492

Center Line: 10.1900

LCL: 9.8308

Std Dev: 0.1197

Process Status

Status:High Variation

Out of Control: 0 points

Trending: 0 points

Data Summary

Sample Size: 10

Range: 0.4000

Mean: 10.1900 mm

Control Chart Rules & Interpretation

Out of Control Signals:

  • Any point beyond control limits (±3σ)
  • 7+ consecutive points on one side of center line
  • 2+ consecutive points beyond warning limits (±2σ)
  • Unusual patterns or trends

Process Capability:

  • Cpk ≥ 1.33: Excellent capability
  • Cpk ≥ 1.0: Adequate capability
  • Cpk < 1.0: Poor capability
  • Cp: Potential capability (centered process)
ReliabilityCalc