management consulting and iso consulting services - green dot root cause analysis tool
TRANSCRIPT
FICCI CE
Root cause analysis
In any organization numerous problems exist in all facets of its activities. The efficiency and survival of the organization depends on how promptly these problems are recognized and their root causes are isolated and eliminated.
FICCI CE
Root cause analysis
A systematic analysis of each potential problem area should be carried out to recognize the root causes which are responsible for creating the problem. Such analysis is called Root Cause Analysis.
FICCI CE
Machine factors
• Inadequate process capability• Incorrectly designed tooling• Poor maintenance• Equipment effected by environmental factors such as heat,
humidity etc.
FICCI CE
Material factors
• Use of untested materials• Mix-up of materials• Substandard material accepted on concession because of non-
availability of correct material• Inconsistency in specifications on the part of vendors
FICCI CE
Men factors
• Incorrect knowledge of setting up machines• Undue rush by the operator to achieve quality targets• Lack of understanding of drawing instructions relating to a
process• Operator does not posses requisite skill for operating machines
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Method factors
• Inadequate process controls• Non availability of proper test equipments• Test equipment out of calibration• Vague inspection/ testing instructions
Cause and effect diagram
Cause and effect diagram (also known as ishikawa diagram or fishbone diagram) is an analysis tool to analyze many potential or actual causes of a problem in a systematic way. It is a very effective way of improving the quality of the product or service.
Cause & Effect diagram - Major and subsidiary causes
Material Methods Environment
Men MeasurementMachine
Quality
Assemblies
Components
Suppliers
Consumables
Procedures
Policies
Accounting
Noise level
Humidity
Temperature
Lighting
Training
Experience
Skill
Attitude
Variability
Tooling
Fixtures
Technology
Instruments
Gauging
Counting
Tests
Example of Cause & Effect diagram - Low operating profit
Material Methods Environment
Men MeasurementMachine
Lowoperating
profit
High lead time
High inventory
Poor quality of vendors
poor review system
Inadequate process control
Poor MIS
Poor QC
High Noise level
Heat
Poor Lighting
InadequateTraining
Lackof Experience
Lowmotivation
Highvariation
PoorMaintenance
Frequentbreakdowns
Old machines
InadequateInstruments
Inadequatemeasurement
No SPC
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Material Methods Environment
Men MeasurementMachine
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