Chapter 10 - 1/5/10 Chapter10:QualityControl...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Click to edit Master subtitle style 1/5/10 Chapter 10: Quality Control Suman Niranjan
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1/5/10 Topics not in syllabus Run Test  Problems in Process Capability Problems from Process Variability Supplement chapter 10 Acceptance sampling
Background image of page 2
1/5/10 Phases of Quality Assurance Acceptan ce sampling Proces s contro l Continuou s improvem ent Inspection of  lots before/after production Inspection  and corrective action  during production Quality  built into the process The least progressiv e The most progressiv e 33
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1/5/10 Where to Inspect in the Process Raw materials and purchased parts Finished products Before a costly operation Before an irreversible process Before a covering process 44
Background image of page 4
1/5/10 Statistical Process Control Quality  conformance of a process Does the output of a process conform to the intent of  the design Determine if it is statistically acceptable 
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1/5/10 The Steps In Control Process Effective control requires Define What is to be controlled? Measure Counted or measured? Compare Any standard available? Evaluate What is out of control?
Background image of page 6
1/5/10 Variations and Control There are primarily two types of variations Random variations Assignable variations Random Variations Natural variation , usually occurred due to  combination of  many minor factors Fixing all these little things might be  very expensive Also known as  common variability Assignable Variation
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1/5/10 Variations and Control Process distribution Is a collection of data points  One data point refers to one individual observation Count Measurement  Normally distributed due to the central limit theorem Sampling distribution Is a collection of data points,  where each data point is  a mean of several data points
Background image of page 8
1/5/10 Variations and Control
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1/5/10 Control Charts  It is a time ordered plot  of all the samples used to  distinguish between random and nonrandom  variability
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/04/2010 for the course OPM 311 taught by Professor Rui during the Spring '08 term at Binghamton University.

Page1 / 36

Chapter 10 - 1/5/10 Chapter10:QualityControl...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online