R&R Gage Analysis

IOE 466 W08 Gage and Measurement System Analysis

Topics ,[object Object],[object Object],[object Object],[object Object]

Measurements Systems Analysis ,[object Object],[object Object],[object Object],[object Object]

Components of a Measurement System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Gage R&R inherent precision of gage different operators or conditions

Gage R&R ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Gage Capability Criteria ,[object Object],[object Object]

Example 7-7 P354 ,[object Object],[object Object]

Gage R&R : Example 7-7 ,[object Object],[object Object],[object Object]

Example 7-7: continued Suppose that instead of having only 1 operator measure the parts, you make 3 operators measure each part twice.

(1) average of all ranges (2) Difference among operators (3) Each operator’s average Example 7-7: Gage R&R

Gage and Measurement System Capability ,[object Object],Use R chart for estimation r: # of operators m: # of samples n: # of repeated measurements x kij : i: sample index j: repeated measurement index k: operator index

[object Object],[object Object],[object Object],[object Object],Gage and Measurement System Capability (Cont’s)

Gage R&R for Attribute Variables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Gage R&R for Attribute Variables ,[object Object],[object Object],[object Object],[object Object],[object Object]

Gage R&R for Attribute Variables ,[object Object]

Gage R&R for Attribute Variables: Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Gage R&R for Attribute Variables: Example

Gage R&R for Attribute Variables: Example ,[object Object],[object Object],[object Object]

Case Study: Improving Data Reliability for Valve Bodies ,[object Object],[object Object],[object Object],Bore diameter

Problem Definition ,[object Object],[object Object],[object Object],[object Object],[object Object]

Current State: Gage R&R results

Current State: Gage R&R results ,[object Object],[object Object]

Current State: Cause and Effect Diagram

Improvement alternatives ,[object Object],[object Object],[object Object],[object Object],[object Object]

Self centering bore gauge: Gage R&R results

Self centering bore gauge: Gage R&R results ,[object Object],[object Object]

Results ,[object Object],[object Object],[object Object]

R&R Gage Analysis

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