What is 6M Methodology ?

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What is 6M Methodology: 6M is a methodology that allows to identify and group causes that impact to a specific effect. It is a good, intermediate tool of problem analysis. 6M Methodology stands for manpower, machinery, materials, methods, measurement and mother-nature are often used in the Cause-Effect Diagram created by Kaoru Ishikawa.

6M Methodology
6M Methodology

6M Methodology


The functional labor of people engaged in the design and delivery of a product. Typically, if man is identified as a cause of an unwanted effect, it’s often a factor of another 6 M. Whether the personnel’s technology proficiency and experience are up to standard? Does the staff have quality consciousness, sense of responsibility and disciplines?


Machine stands for systems, tools, facilities and equipment used for production. Often, machines, tools and facilities with their underlying support systems are mismanaged or incapable of delivering a desired output due to technical or maintenance issues.

Check the facilities’ stability, functionality, such as the GPS device’s precision and the cooling and lubrication state of equipment. If the machinery is rusting or eroding, the production efficiency may decrease. Find out solutions to regularly maintain and repair equipment.

6M Methodology
6M Methodology


Material stands for Raw materials, components and consumables needed to produce a desired end product. Materials are often mismanaged by way of being incorrectly specified, mislabeled, stored improperly, out of date, among other factors.


A production process and its contributing service delivery processes. Frequently, processes are found to have too many steps, signoffs, and other activities that don’t contribute or create much value. When the process are not streamlined, simplified and standardized, processes can be confusing and hard to follow.

Mother Nature:

Environmental factors that are unpredictable and uncontrollable like weather, floods, earthquakes, fire, etc. While many environmental factors are predictable and can be considered manageable, there are some unavoidable environmental factors that some facilities find they are not prepared for.

In simple language the mother nature in production field, including temperature, humidity, noise disturbance, vibrancy, lightening, and indoor pollution will all influence the products or service.

6M Methodology
6M Methodology


Manual or automatic inspections and physical measurements (distance, volume, temperature, pressure, etc.). At times, measurements can be inconsistent, making it hard to use the data to form repeatable conclusions that help nail down a consistent cause.

When it comes to measurement, the following factors need to be considered for correct results: measurement gauge, measurement method, calibration, measurer’s fatigue, and readability of the results.

Important Links:

Method Statement and its benefits.

How does PV solar cells generates electricity

Failure Mode Effect Analysis (FMEA)

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