516 minutes design specification 210 3 minutes cp

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: s Cp = = Upper Specification - Lower Specification 6 213 - 207 = 1.938 6(.516) Process is capable 5 4/29/2011 Process Capability Index Upper Lower Specification - x , x - Specification Cpk = minimum of Limit Limit 3 3 A capable process must have a Cpk of at least 1.0 A capable process is not necessarily in the center of the specification, but it falls within the specification limit at both extremes Process Capability Index New Cutting Machine New process mean x = .250 inches Process standard deviation = .0005 inches Upper S...
View Full Document

Ask a homework question - tutors are online