Quality Maintenance

Goal of zero quality defects

Establish Zero-Defect Conditions in Order to Create Equipment and Production Processes that Do Not Produce Any Quality Defects

Establishing Conditions

The 4 Ms – the Determinants of Quality

Raising the Quality Assurance Capability (Cp)

Eliminate Forced Deterioration, to Achieve Stable Equipment Subject to Natural Deterioration Only

Ensure that All Staff, from Managers through to Operators, Are Equipment Experts

Carrying Out Quality Maintenance

Step 1 Verify the Existing Situation

Step 2 Investigate the Processes where Defects Occur

Step 3 Investigate and Analyze 4-M Conditions

Step 4 Plan Action to Correct Deficiencies

Step 5 Analyze Situations where the Conditions for Building in Quality Are Unclear

Step 6 Eliminate Flaws in 4-M Conditions

Step 7 Finalize 4-M Conditions

Step 8 Consolidate Checking Methods

Step 9 Determine Standard Values for Checks

Step 10 Revise Standards

Results

The History of Quality Maintenance and the Emergence of the Figure-of-Eight Method

The Figure-of-Eight Method : Basic Concepts and Development Steps

Case Study

Step 1 Identify Existing Situation

Step 2 Restore

Step 3 Analyze Causes

Step 4 Eradicate Causes

Step 5 Establish Conditions

Step 6 Maintain Conditions

Step 7 Improve Conditions

Step 1 Clarify Phenomenon

Step 2 Do Physical Analysis of Phenomenon

Step 3 Identify Contributing Conditions

Step 4 Study 4-M Correlations

Step 5 Revise Optimal Conditions (Standards)

Step 6 Investigate Measurement Methods

Step 7 Identify Deficiencies

Step 8 Restore, Improve and Sustain