SPC Control Chart

Cpk 1.42 · target 4.00mm · USL 4.10 · LSL 3.90 · 20-pt sample in control

Cpk
1.42
target ≥1.33process capable
Process Mean
4.002mm
target: 4.000mm+0.002mm bias
Points In Control
20 / 20
100% within ±3σno violations
Std Dev (σ)
0.021mm
USL 4.10 · LSL 3.90±3σ = ±0.063
X̄ Control Chart — Dimension (mm)
20 sample points · UCL 4.063 · CL 4.002 · LCL 3.941 · all in control